/* =====================================================================
   ShowMyClass design system — v3
   One stylesheet for the teacher console, the Student Board (classroom
   display + student devices), sign-in, billing and the policy pages.
   ===================================================================== */
:root{
  --brand:#1D4ED8;--brand-600:#1E40AF;--brand-700:#1E3A8A;--brand-400:#3B82F6;--brand-100:#DBEAFE;--brand-50:#EFF4FF;
  --teal:#0EA5A4;--teal-50:#E6F7F6;--sun:#FFD24A;--sun-50:#FFF8DB;--coral:#F97360;--coral-50:#FFF0EC;
  --violet:#7C3AED;--violet-50:#F3EEFF;--green:#16A34A;--green-50:#EAF8EF;--pink:#DB2777;--pink-50:#FDEEF5;
  --sky:#0284C7;--sky-50:#E8F5FC;--amber:#D97706;--amber-50:#FEF4E4;--red:#DC2626;--red-50:#FEEFEF;
  --ink:#0F172A;--text:#1E293B;--muted:#64748B;--faint:#94A3B8;--line:#E2E8F0;--line-2:#CBD5E1;
  --bg:#F5F7FB;--soft:#F1F5F9;--paper:#FFFFFF;
  --good:#15803D;--bad:#B91C1C;--warn:#B45309;
  --r-sm:8px;--r:12px;--r-lg:16px;--r-xl:22px;
  --sh-1:0 1px 2px rgba(15,23,42,.05),0 1px 3px rgba(15,23,42,.05);
  --sh-2:0 1px 2px rgba(15,23,42,.04),0 8px 24px -10px rgba(15,23,42,.16);
  --sh-3:0 30px 70px -20px rgba(15,23,42,.38);
  --ring:0 0 0 3px rgba(29,78,216,.22);
  --font:"Plus Jakarta Sans",Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --mono:ui-monospace,SFMono-Regular,"Cascadia Mono",Menlo,Consolas,monospace;
  --board-scale:1;
  --h:var(--brand);--h-50:var(--brand-50);--h-ink:var(--brand-700);
  font-family:var(--font);color:var(--text);background:var(--bg);font-synthesis:none;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility
}
/* stage colour families: every stage, stage chip and board gets one */
.hue-blue{--h:#1D4ED8;--h-50:#EFF4FF;--h-100:#DBEAFE;--h-ink:#1E3A8A}
.hue-teal{--h:#0D9488;--h-50:#E7F7F5;--h-100:#C8EEE9;--h-ink:#115E59}
.hue-violet{--h:#7C3AED;--h-50:#F4EFFF;--h-100:#E4D8FE;--h-ink:#5B21B6}
.hue-coral{--h:#EA580C;--h-50:#FFF1EA;--h-100:#FFDCC9;--h-ink:#9A3412}
.hue-amber{--h:#D97706;--h-50:#FEF6E6;--h-100:#FDE7B8;--h-ink:#92400E}
.hue-green{--h:#16A34A;--h-50:#EAF8EF;--h-100:#C9EFD6;--h-ink:#166534}
.hue-pink{--h:#DB2777;--h-50:#FDEEF5;--h-100:#FBD3E6;--h-ink:#9D174D}
.hue-sky{--h:#0284C7;--h-50:#E8F5FC;--h-100:#C6E7F8;--h-ink:#075985}

*,*:before,*:after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);line-height:1.5}
img{max-width:100%}
button,input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--brand-400);outline-offset:2px}
[hidden]{display:none!important}
bdi{unicode-bidi:isolate}
mark{background:#FFE58A;color:inherit;border-radius:3px;padding:0 2px}
hr{border:0;border-top:1px solid var(--line);margin:20px 0}
h1,h2,h3,h4,p{margin-top:0}
h1{font-size:28px;line-height:1.15;letter-spacing:-.025em;margin-bottom:8px;color:var(--ink);font-weight:800}
h2{font-size:21px;line-height:1.25;letter-spacing:-.02em;color:var(--ink);font-weight:750}
h3{font-size:14.5px;line-height:1.35;color:var(--ink);font-weight:700;margin-bottom:10px}
h4{font-size:13px;margin:16px 0 8px;color:var(--ink)}
small,.muted{color:var(--muted)}
a{color:var(--brand)}
.sr-only{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:.08em}
.center{justify-content:center;text-align:center}
.help{font-size:12.5px;line-height:1.6;color:var(--muted);font-weight:400}
h3 .help,h2 .help,summary .help{font-weight:500;margin-left:4px}
.eyebrow{font-size:10.5px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--h,var(--brand));margin-bottom:8px}
.error{color:var(--bad);font-size:13px;font-weight:600}
.ok{color:var(--good);font-size:13px;font-weight:650}
.error:empty,.ok:empty{display:none}
.warn{color:var(--warn)}
.section-gap{margin-top:24px}
.is-busy,body.ai-busy{cursor:progress}
.loading{text-align:center;padding:22vh 20px;color:var(--muted);font-weight:600}
.loading:before{content:'';display:block;width:34px;height:34px;margin:0 auto 16px;border-radius:50%;border:3px solid var(--brand-100);border-top-color:var(--brand);animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes fade{from{opacity:0}}
@keyframes rise{from{opacity:0;transform:translateY(8px)}}
@keyframes pop{0%{transform:scale(.7)}60%{transform:scale(1.1)}100%{transform:scale(1)}}
@keyframes pulse{50%{box-shadow:0 0 0 7px rgba(29,78,216,.18)}}
@keyframes blink{50%{opacity:.35}}

/* ---------- buttons ---------- */
button,.button{cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:7px;border:1px solid var(--line-2);background:var(--paper);color:var(--ink);padding:9px 14px;border-radius:10px;font-size:13px;font-weight:650;line-height:1.2;text-decoration:none;white-space:nowrap;transition:background .15s,border-color .15s,box-shadow .15s,transform .05s,color .15s;box-shadow:var(--sh-1)}
button:hover,.button:hover{background:var(--soft);border-color:#B8C4D4}
button:active:not(:disabled){transform:translateY(1px)}
button:disabled,.button[aria-disabled=true]{opacity:.45;cursor:not-allowed;box-shadow:none}
.primary,button.primary,.button.primary{background:linear-gradient(180deg,#2563EB,#1D4ED8);border-color:#1D4ED8;color:#fff;box-shadow:0 1px 2px rgba(29,78,216,.3),inset 0 1px 0 rgba(255,255,255,.14)}
.primary:hover,button.primary:hover,.button.primary:hover{background:linear-gradient(180deg,#1D4ED8,#1E40AF);border-color:#1E40AF}
.primary-soft,button.primary-soft{background:var(--brand-50);border-color:#BFD2FB;color:var(--brand-600)}
.primary-soft:hover,button.primary-soft:hover{background:var(--brand-100)}
.quiet,button.quiet{background:transparent;border-color:transparent;box-shadow:none;color:var(--text)}
.quiet:hover,button.quiet:hover{background:var(--soft);border-color:var(--line)}
.danger,button.danger{color:var(--bad)}
.danger:hover{background:var(--red-50);border-color:#F5C2C2}
.danger-fill,button.danger-fill{background:var(--red);border-color:var(--red);color:#fff}
.danger-fill:hover{background:#B91C1C}
.small,button.small,.button.small{padding:6px 10px;font-size:12px;border-radius:8px}
.big,button.big,.button.big{padding:13px 18px;font-size:15px;width:100%;border-radius:12px}
.wide{width:100%}
.link,button.link{border:0;background:none;box-shadow:none;padding:0;color:var(--brand);text-decoration:underline;text-underline-offset:3px;font-weight:650}
.link:hover,button.link:hover{background:none;color:var(--brand-600)}
.icon-button,button.icon-button{padding:6px 9px;font-size:14px;min-width:34px;border-radius:8px}
button.on,.button.on{background:var(--ink);border-color:var(--ink);color:#fff}
button.on:hover{background:#1E293B}
.ai-btn,button.ai-btn{background:linear-gradient(135deg,#F3EEFF,#EFF4FF);border-color:#D6CCFB;color:#5B21B6}
.ai-btn:hover,button.ai-btn:hover{background:linear-gradient(135deg,#E9DFFF,#E1EAFF);border-color:#C4B5FD}
body.ai-busy .ai-btn{opacity:.55;pointer-events:none}
.chip{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:99px;background:var(--soft);border:1px solid var(--line);font-size:12px;font-weight:650;color:var(--text);box-shadow:none}
.tag{display:inline-flex;align-items:center;gap:5px;font-size:10px;letter-spacing:.08em;font-weight:800;text-transform:uppercase;background:var(--soft);color:var(--muted);padding:4px 8px;border-radius:6px;white-space:nowrap}
.tag.good{background:var(--green-50);color:var(--good)}
.tag.warn{background:var(--amber-50);color:var(--warn);animation:blink 1.6s infinite}
.tag.private{background:var(--violet-50);color:#6D28D9}
.tag-row{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0 16px}
.tag-btn.on{background:var(--brand);border-color:var(--brand);color:#fff}

/* ---------- forms ---------- */
label{display:block;font-size:12.5px;font-weight:650;color:var(--text);margin-bottom:6px}
input,textarea,select{width:100%;background:var(--paper);border:1px solid var(--line-2);border-radius:10px;padding:9px 11px;font-size:13.5px;color:var(--ink);transition:border-color .15s,box-shadow .15s}
input::placeholder,textarea::placeholder{color:var(--faint)}
input:hover,textarea:hover,select:hover{border-color:#AEBBCC}
input:focus,textarea:focus,select:focus{outline:none;border-color:var(--brand-400);box-shadow:var(--ring)}
select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2364748B' stroke-width='1.8' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 11px center;padding-right:32px;cursor:pointer}
textarea{resize:vertical;min-height:84px;line-height:1.55}
input[type=checkbox],input[type=radio]{width:17px;height:17px;flex:0 0 auto;accent-color:var(--brand);margin:0;cursor:pointer;box-shadow:none}
input[type=number]{width:84px}
input[type=file]{padding:8px;background:var(--soft);border-style:dashed;font-size:12.5px;cursor:pointer}
input[type=file]::file-selector-button{border:1px solid var(--line-2);background:#fff;border-radius:8px;padding:6px 10px;margin-right:10px;font-weight:650;cursor:pointer}
.field{margin-bottom:16px}
.field:last-child{margin-bottom:0}
.pair{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.pair.single{grid-template-columns:1fr}
.pair label{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;font-weight:750}
.check{display:inline-flex;align-items:center;gap:8px;font-weight:550;font-size:13px;margin:0;cursor:pointer;color:var(--text)}
.check small{font-weight:400}
.rule{padding:10px 14px;background:var(--h-50,var(--brand-50));border-left:3px solid var(--h,var(--brand));border-radius:0 10px 10px 0;margin-bottom:18px;color:var(--text)}
details>summary{cursor:pointer;font-size:13.5px;font-weight:700;list-style:none;display:flex;align-items:center;gap:8px}
details>summary::-webkit-details-marker{display:none}
details>summary:before{content:'';width:8px;height:8px;border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);transform:rotate(-45deg);transition:transform .15s;flex:0 0 auto;margin-right:2px}
details[open]>summary:before{transform:rotate(45deg)}
details[open]>summary{margin-bottom:16px}
.menu>summary:before{display:none}

/* ---------- toast ---------- */
#toast{position:fixed;bottom:28px;left:50%;transform:translateX(-50%);z-index:60;background:var(--ink);color:#fff;border-radius:12px;padding:12px 18px;box-shadow:var(--sh-3);max-width:min(560px,92vw);font-size:13.5px;font-weight:600;display:none;animation:rise .2s}
#toast.show{display:block}
#toast.good{background:#14532D}
#toast.bad{background:#991B1B}
body:not(.board-body) #toast{bottom:96px}
/* =====================================================================
   TEACHER CONSOLE
   ===================================================================== */
.topbar{position:sticky;top:0;z-index:20;height:68px;display:flex;align-items:center;gap:18px;padding:0 22px;background:rgba(255,255,255,.88);backdrop-filter:saturate(1.6) blur(14px);-webkit-backdrop-filter:saturate(1.6) blur(14px);border-bottom:1px solid var(--line)}
.topbar:after{content:'';position:absolute;left:0;right:0;bottom:-1px;height:2px;background:linear-gradient(90deg,#1D4ED8,#0EA5A4 25%,#FFD24A 50%,#F97360 75%,#7C3AED);opacity:.9}
.brand{display:flex;align-items:center;gap:11px;font-size:17px;font-weight:800;letter-spacing:-.02em;color:var(--ink);text-decoration:none}
.brand small{display:block;font-size:9.5px;font-weight:750;letter-spacing:.16em;color:var(--muted);margin-top:2px}
.logo-img{width:38px;height:38px;border-radius:11px;flex:0 0 auto;box-shadow:0 4px 12px -4px rgba(29,78,216,.45)}
.logo-img.small{width:30px;height:30px;border-radius:9px}
.top-lesson{flex:1;min-width:0;display:flex;align-items:center;gap:10px;padding:7px 14px;border-radius:99px;background:var(--soft);border:1px solid var(--line);max-width:460px;margin-left:8px}
.top-lesson strong{font-size:13.5px;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.top-lesson span:not(.dot){font-size:12px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;padding-left:10px;border-left:1px solid var(--line-2)}
.dot{width:10px;height:10px;border-radius:50%;background:var(--h);flex:0 0 auto;box-shadow:0 0 0 3px var(--h-100,var(--brand-100))}
.actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.topbar .actions{margin-left:auto;flex-wrap:nowrap}
#eyes-btn.on{background:#F59E0B;border-color:#D97706;color:#fff;animation:pulse 1.4s infinite}
#share-btn .mono{font-weight:800;color:var(--brand)}
#account-btn{gap:9px;padding:5px 10px 5px 5px}
.avatar{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,#1D4ED8,#7C3AED);color:#fff;font-weight:800;font-size:13px}
.acct-name{max-width:140px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:inline-block;vertical-align:bottom}
.trial-badge{background:var(--sun-50);border-color:#F3D77A;color:#7A5300;box-shadow:none}
.trial-badge:hover{background:#FFF0B3}
.trial-badge.bad{background:var(--red-50);border-color:#F5B5B5;color:var(--bad)}

.shell{display:grid;grid-template-columns:268px minmax(0,1fr);min-height:calc(100vh - 68px)}
.sidebar{position:sticky;top:68px;height:calc(100vh - 68px);overflow:auto;padding:18px 14px 22px;background:#FBFCFE;border-right:1px solid var(--line);scrollbar-width:thin}
.sidebar .eyebrow{display:block;color:var(--muted);padding:0 6px;margin:18px 0 8px}
.sidebar select{width:100%;margin-bottom:10px;font-weight:650}
.search-box{position:relative}
.search-box input{padding-left:12px;background:var(--soft);border-color:transparent}
.search-box input:focus{background:#fff}
.search-results{position:absolute;z-index:25;left:0;right:0;top:calc(100% + 6px);background:var(--paper);border:1px solid var(--line);border-radius:12px;box-shadow:var(--sh-3);max-height:380px;overflow:auto;padding:6px;min-width:320px}
.search-hit{display:block;width:100%;text-align:left;border:0;box-shadow:none;background:transparent;padding:9px 10px;border-radius:9px;font-weight:500;white-space:normal}
.search-hit:hover{background:var(--brand-50)}
.search-hit strong{display:block;font-size:12.5px;color:var(--ink)}
.search-hit span{font-size:11.5px;color:var(--muted)}
.lib-actions{display:flex;gap:6px;margin-bottom:6px}
.lib-actions>button{flex:1}
.menu{position:relative;flex:0 0 auto}
.menu>summary{list-style:none;margin:0!important}
.menu[open]>summary{background:var(--soft)}
.menu-pop{position:absolute;right:0;top:calc(100% + 6px);z-index:30;min-width:270px;background:var(--paper);border:1px solid var(--line);border-radius:14px;box-shadow:var(--sh-3);padding:6px;display:grid;animation:rise .12s}
.menu-pop button{justify-content:flex-start;text-align:left;border:0;box-shadow:none;background:transparent;font-weight:550;padding:8px 10px;border-radius:8px}
.menu-pop button:hover{background:var(--brand-50);color:var(--brand-700)}
.menu-pop button.danger:hover{background:var(--red-50);color:var(--bad)}
.menu-h{font-size:10px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--faint);margin:10px 10px 4px}
.menu-h:first-child{margin-top:4px}
.menu-pop hr{margin:4px 0}
.stage-list{display:grid;gap:3px}
.stage{width:100%;justify-content:flex-start;text-align:left;gap:10px;padding:9px 10px;border:1px solid transparent;background:transparent;box-shadow:none;border-radius:11px;font-weight:550;position:relative;white-space:normal}
.stage:hover{background:var(--h-50)}
.stage.active{background:#fff;border-color:var(--line);box-shadow:var(--sh-2)}
.stage.active:before{content:'';position:absolute;left:-1px;top:9px;bottom:9px;width:3px;border-radius:3px;background:var(--h)}
.number{height:28px;min-width:28px;border-radius:9px;display:grid;place-items:center;font-size:11px;font-weight:800;background:var(--h-50,var(--soft));color:var(--h-ink,var(--ink));font-variant-numeric:tabular-nums}
.stage.active .number{background:var(--h);color:#fff}
.stage-name{flex:1;min-width:0;font-size:12.5px;line-height:1.3;color:var(--ink)}
.stage-name small{display:block;font-size:10.5px;margin-top:2px;color:var(--muted)}
.stage time{font-size:11px;color:var(--muted);font-variant-numeric:tabular-nums;font-weight:650}
.on-board{color:var(--good)!important;font-size:9.5px!important;font-weight:800;letter-spacing:.08em}
.add-stage{width:100%;margin-top:8px;border:1.5px dashed var(--line-2)!important;color:var(--muted)}
.add-stage:hover{color:var(--brand);border-color:var(--brand-400)!important;background:var(--brand-50)}
.sidebar-foot{margin-top:18px;padding:14px;border-radius:14px;background:var(--soft);font-size:12px;line-height:1.7;color:var(--muted)}
.total{font-size:26px;font-weight:800;color:var(--ink);letter-spacing:-.03em;line-height:1.1}
.total small{font-size:12px;font-weight:600}
.std-chip{margin-top:8px;display:inline-block;background:#fff;border:1px solid var(--line);border-radius:8px;padding:3px 8px;font-size:11px;color:var(--text)}
.sidebar-foot .help{margin:10px 0 0;font-size:11px}

.workspace{padding:22px 26px 30px;max-width:1640px;width:100%;margin:0 auto;min-width:0}
.ai-banner{display:flex;justify-content:space-between;align-items:center;gap:12px;background:linear-gradient(135deg,#F3EEFF,#EFF4FF);border:1px solid #D6CCFB;color:#4C1D95;border-radius:14px;padding:10px 14px;margin-bottom:16px;font-size:13px;font-weight:600}
.workspace-header{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:18px;padding:18px 20px;border-radius:18px;background:linear-gradient(135deg,var(--h-50),#fff 70%);border:1px solid var(--line);position:relative;overflow:hidden}
.workspace-header:before{content:'';position:absolute;left:0;top:0;bottom:0;width:5px;background:var(--h)}
.workspace-header .eyebrow{color:var(--h)}
.stage-title{flex:1;min-width:0}
.title-inputs{display:flex;flex-direction:column;gap:2px}
.h1-input{font-size:26px;font-weight:800;letter-spacing:-.025em;color:var(--ink);border-color:transparent;background:transparent;padding:3px 8px;margin-left:-9px;box-shadow:none}
.sub-input{font-size:13.5px;color:var(--muted);border-color:transparent;background:transparent;padding:3px 8px;margin-left:-9px;max-width:460px;box-shadow:none}
.h1-input:hover,.sub-input:hover{border-color:var(--line-2);background:rgba(255,255,255,.7)}
.h1-input:focus,.sub-input:focus{background:#fff}
.stage-tools{display:flex;gap:6px;flex-wrap:wrap}

.columns{display:grid;grid-template-columns:minmax(420px,1fr) minmax(340px,440px);gap:20px;align-items:start}
.editor-col{min-width:0}
.panel{background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);padding:20px;margin-bottom:16px;box-shadow:var(--sh-1)}
.panel-title{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px}
.panel-title h2,.panel-title h3{margin:0}
.sub-h{display:flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.01em;margin-bottom:12px}
.lesson-settings>summary{font-size:14px;color:var(--ink)}
.lesson-settings>summary .help{font-size:12px}
.lesson-settings[open]>summary{padding-bottom:14px;border-bottom:1px solid var(--line)}
.lang-row{display:flex;gap:12px;align-items:flex-end;flex-wrap:wrap}
.lang-row .field{flex:1;min-width:200px;margin-bottom:8px}
.lang-row>button{margin-bottom:8px}
.goal-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:10px}
.goal-grid h3{display:flex;align-items:center;gap:8px;flex-wrap:wrap}

/* editor tabs */
.editor-panel{padding:0;overflow:visible}
.etabs,.rtabs,.imp-tabs{display:flex;gap:4px;padding:6px;background:var(--soft);border-radius:14px;overflow-x:auto;scrollbar-width:none}
.etabs{margin:10px 10px 0;border-radius:12px}
.etabs::-webkit-scrollbar,.rtabs::-webkit-scrollbar{display:none}
.etabs button,.rtabs button,.imp-tabs button{flex:1;border:0;background:transparent;box-shadow:none;color:var(--muted);padding:9px 12px;border-radius:9px;font-weight:700;position:relative}
.etabs button span,.rtabs button span{font-size:15px}
.etabs button:hover,.rtabs button:hover,.imp-tabs button:hover{background:rgba(255,255,255,.7);color:var(--ink)}
.etabs button.on,.rtabs button.on,.imp-tabs button.on{background:#fff;color:var(--ink);box-shadow:var(--sh-2)}
.etabs button em{font-style:normal;font-size:10.5px;font-weight:800;background:var(--h-100,var(--brand-100));color:var(--h-ink,var(--brand-700));border-radius:99px;padding:1px 7px;margin-left:2px}
.etabs button.on em{background:var(--h);color:#fff}
.etab-body{padding:18px 20px 20px}
.stage-options{display:flex;flex-wrap:wrap;gap:14px 22px;align-items:flex-end;margin-bottom:14px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.stage-options .field{margin:0}
.stage-options select{width:auto;min-width:190px}
.opt-checks{display:grid;gap:7px}
.block-editor{position:relative;margin:12px 0;padding:14px 14px 12px;border:1px solid var(--line);border-radius:14px;background:#FCFDFE;transition:border-color .15s,box-shadow .15s}
.block-editor:hover{border-color:var(--line-2)}
.block-editor:focus-within{border-color:var(--h-100,#BFD2FB);box-shadow:0 0 0 3px var(--h-50,var(--brand-50))}
.block-editor.is-passage{background:#FFFCF2;border-color:#F6E3A6}
.block-heading{display:flex;gap:8px;align-items:center;margin-bottom:10px;flex-wrap:wrap}
.block-heading input{flex:1;min-width:150px;font-weight:700}
.card-n{width:26px;height:26px;border-radius:8px;display:grid;place-items:center;background:var(--h-50);color:var(--h-ink);font-size:12px;font-weight:800;flex:0 0 auto}
.block-tools{display:flex;gap:4px}
.block-foot{display:flex;align-items:center;gap:14px;margin-top:10px;flex-wrap:wrap}
.block-foot .ai-btn,.block-foot [data-tr-block]{margin-left:auto}
.block-foot .ai-btn+[data-tr-block]{margin-left:0}
.levels-edit{display:grid;gap:10px}
.level-ed{border-radius:12px;padding:10px 12px;border:1px solid var(--line)}
.level-ed.tier-1{background:#F0FAF4;border-color:#CDEBD8}
.level-ed.tier-2{background:#EFF4FF;border-color:#CFDDFB}
.level-ed.tier-3{background:#F5F0FF;border-color:#DED0FB}
.level-ed .eyebrow{color:var(--text);margin-bottom:6px}
.add-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:14px}
.add-grid button{justify-content:flex-start;border:1.5px dashed var(--line-2);background:#fff;box-shadow:none}
.add-grid button:hover{border-color:var(--brand-400);background:var(--brand-50);color:var(--brand-700)}
.add-grid .ai-btn{border-style:solid}
.media-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.media-card,.support-card{border:1px solid var(--line);border-radius:14px;padding:16px;background:#FCFDFE}
.media-card.wide{grid-column:1/-1}
.media-card h3,.support-card h3{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.media-card label{margin-top:12px}
.support-card{margin-bottom:12px}
.image-preview{display:block;max-width:100%;max-height:180px;object-fit:contain;margin:6px 0 10px;border-radius:10px;border:1px solid var(--line);background:#fff}
#link-check{min-height:18px;margin:8px 0 0}
.stops{display:grid;gap:6px;margin:8px 0}
.stop-row{display:grid;grid-template-columns:78px 1fr auto;gap:6px}
.hint-ed{display:grid;grid-template-columns:62px 1fr;align-items:center;gap:10px;margin:8px 0;font-weight:700}
.hint-ed span{font-size:11px;color:var(--amber);text-transform:uppercase;letter-spacing:.08em}
.lang-obj{margin-top:10px}

.save-bar{position:sticky;bottom:14px;z-index:5;display:flex;justify-content:space-between;align-items:center;gap:10px;padding:10px 10px 10px 18px;border-radius:16px;background:rgba(15,23,42,.94);backdrop-filter:blur(10px);color:#fff;box-shadow:var(--sh-3)}
.save-bar span{font-size:12.5px;font-weight:600;color:#CBD5E1}
#save-status.bad{color:#FCA5A5}
.save-bar button{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.16);color:#fff;box-shadow:none}
.save-bar button:hover{background:rgba(255,255,255,.18)}
.save-bar .primary{background:linear-gradient(135deg,#FFD24A,#FFB020);border-color:#FFB020;color:#3B2600}
.save-bar .primary:hover{background:linear-gradient(135deg,#FFDA66,#FFBE3D)}

/* right column */
.right-column{position:sticky;top:84px;max-height:calc(100vh - 96px);overflow:auto;padding-bottom:6px;scrollbar-width:thin;min-width:0}
.preview-panel{padding:0;overflow:hidden;margin-bottom:12px}
.preview-panel>summary{padding:13px 16px;margin:0!important;font-size:13px}
.preview-panel iframe{display:block;width:100%;height:300px;border:0;border-top:1px solid var(--line);background:var(--bg)}
.preview-meta{padding:8px 16px;border-top:1px solid var(--line);font-size:11px;color:var(--muted);background:var(--soft)}
.live-dot{color:#22C55E;font-size:10px;animation:blink 2s infinite}
#live-panel{display:grid;gap:10px}
.live-head{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:0 4px}
.presence{font-size:12px;font-weight:700;color:var(--text);background:#fff;border:1px solid var(--line);border-radius:99px;padding:4px 10px}
.presence .away{color:var(--warn)}
.rtabs{background:#fff;border:1px solid var(--line);box-shadow:var(--sh-1)}
.rtabs button.on{background:var(--ink);color:#fff}
.rtabs .pulse{position:absolute;top:6px;right:8px;width:8px;height:8px;border-radius:50%;background:#22C55E;box-shadow:0 0 0 0 rgba(34,197,94,.6);animation:pulse 1.4s infinite}
.rtab-body{animation:fade .15s}
.rtab-body .panel{padding:16px}
.live-card{background:linear-gradient(160deg,#fff,#F8FAFF)}
.now-showing{margin:0 0 4px}
.now-showing strong{color:var(--ink)}
.clockbox{display:flex;justify-content:space-between;align-items:center;margin:6px 0 10px;padding:12px 16px;border-radius:14px;background:var(--ink);color:#fff}
.clock{font-variant-numeric:tabular-nums;font-weight:800;font-size:44px;letter-spacing:-.04em;line-height:1;color:inherit}
.clockbox .clock{color:#FFD24A}
.clock-label{font-size:11px;font-weight:700;letter-spacing:.06em;color:#94A3B8;text-transform:uppercase}
.clockbox.last-minute .clock{color:#FDBA74}
.clockbox.time-up{background:#B91C1C}
.clockbox.time-up .clock{color:#fff}
.control-row{display:flex;gap:6px;margin-top:8px;flex-wrap:wrap;align-items:center}
.control-row>button{flex:1}
.control-row.wrap>button{flex:1 1 auto}
.nav-row button{padding:11px}
.preset-row,.voice-row,.board-row,.vocab-live,.read-row,.scale-row{display:flex;gap:6px;align-items:center;flex-wrap:wrap;margin-top:8px}
.preset-row button{flex:1;padding:6px 8px;font-size:12px}
.voice-row>.help,.vocab-live>.help,.read-row>.help,.scale-row>.help{min-width:78px;margin:0;font-weight:650;color:var(--muted)}
.scale-row>.help{flex:0 0 auto}
.voice-row button,.scale-row button{padding:6px 9px;font-size:12px}
.voice-row select,.vocab-live select,.read-row select{width:auto;flex:1;min-width:110px;padding-top:6px;padding-bottom:6px;font-size:12.5px}
.voice-row input,.read-row input{width:auto;flex:1;min-width:70px;padding:6px 9px;font-size:12.5px}
.voice-row input[type=number],.read-row input[type=number]{flex:0 0 70px}
.scale-row .mono{min-width:46px;text-align:center;font-weight:800}
#blank-btn{margin-left:auto}
.next-prompt{display:flex;flex-wrap:wrap;gap:8px;align-items:center;background:var(--sun-50);border:1px solid #F3D77A;border-radius:12px;padding:12px;margin:8px 0;font-size:13px;animation:rise .2s}
.next-prompt strong{width:100%;color:#7A5300}
.check-panel{border-top:3px solid var(--brand)}
.kind-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin-bottom:14px}
.kind-grid button{flex-direction:column;gap:3px;padding:9px 4px;font-size:11px;font-weight:650;white-space:normal;line-height:1.2;box-shadow:none;background:var(--soft);border-color:transparent}
.kind-grid button span{font-size:18px}
.kind-grid button:hover{background:var(--brand-50);color:var(--brand-700)}
.kind-grid button.on{background:var(--brand);border-color:var(--brand);color:#fff}
.ck-body label{margin-top:8px}
.ck-q-row{display:flex;gap:6px}
.ck-opts{display:grid;gap:6px;margin:8px 0}
.opt-row{display:flex;gap:8px;align-items:center}
.pairs-ed{display:grid;gap:6px;margin:8px 0}
.pair-row{display:grid;grid-template-columns:1fr auto 1fr;gap:6px;align-items:center}
.pair-row span{color:var(--muted);font-weight:800}
.mini-list{padding-left:18px;font-size:13px;margin:6px 0}
.ck-more{margin:12px 0 4px;padding:10px 12px;border:1px solid var(--line);border-radius:12px;background:var(--soft)}
.ck-more[open]>summary{margin-bottom:10px}
.ck-options{display:grid;gap:10px}
.ck-options label:not(.check){display:flex;align-items:center;justify-content:space-between;gap:10px;margin:0;font-weight:550}
.ck-options select{width:auto}
#ck-open{margin-top:12px;padding:12px}
.check-q-t{font-weight:750;font-size:15px;color:var(--ink);margin-bottom:10px}
.res-head{display:flex;align-items:center;justify-content:space-between;gap:10px}
.check-count-big{font-size:13px;margin:4px 0 8px}
.check-count-big strong{font-size:30px;font-weight:800;color:var(--ink);letter-spacing:-.03em;margin-right:4px}
.mastery{border-radius:12px;padding:10px 12px;font-size:13px;font-weight:650;margin:8px 0;display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.mastery.warn{background:var(--amber-50);color:#92400E;border:1px solid #FAD89A}
.mastery.okay{background:var(--green-50);color:#166534;border:1px solid #BCE7CB}
.bar-row{display:grid;grid-template-columns:minmax(80px,1.2fr) 2fr auto;gap:10px;align-items:center;margin:6px 0;font-size:13px}
.bar-label{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.bar{display:block;height:12px;background:var(--soft);border-radius:99px;overflow:hidden}
.bar span{display:block;height:100%;min-width:3px;border-radius:99px;background:linear-gradient(90deg,#3B82F6,#1D4ED8);transition:width .5s cubic-bezier(.2,.8,.2,1)}
.bar-row.is-correct .bar span{background:linear-gradient(90deg,#22C55E,#15803D)}
.bar-row.is-correct .bar-label{color:var(--good);font-weight:750}
.ans-tools{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin:14px 0 8px;padding-top:12px;border-top:1px solid var(--line)}
.answers{list-style:none;padding:0;margin:0;display:grid;gap:6px;max-height:420px;overflow:auto}
.answers li{display:flex;gap:10px;align-items:flex-start;padding:10px;border:1px solid var(--line);border-radius:12px;background:#fff}
.answers li.ok{border-color:#BCE7CB;background:#F6FCF8}
.answers li.no{border-color:#F7CACA;background:#FFF8F8}
.answers li .check{margin-top:2px}
.ans-body{flex:1;min-width:0}
.ans-body p{margin:0;font-size:13.5px;color:var(--ink);overflow-wrap:anywhere}
.ans-body .translation{color:var(--brand-600);font-size:12.5px;margin-top:4px}
.ans-body small{display:inline-block;margin-right:8px;font-size:11.5px}
.ans-img{max-width:100%;max-height:180px;border-radius:8px;border:1px solid var(--line);background:#fff}
.ans-mini{font-size:12px}
.revised{color:var(--violet)!important}
.fb-ed{margin-top:6px;min-height:52px;font-size:12.5px;background:var(--violet-50);border-color:#DED0FB}
.qa-panel{border-top:3px solid var(--teal)}
.qa-mod{list-style:none;padding:0;margin:0 0 10px;display:grid;gap:6px}
.qa-mod li{display:grid;grid-template-columns:1fr auto;gap:6px 10px;padding:10px;border-radius:12px;border:1px solid var(--line);background:#fff}
.qa-mod li.st-new{border-color:#99E0DC;background:var(--teal-50)}
.qa-mod li.st-hidden{opacity:.55}
.qa-mod li.st-answered .qa-t{text-decoration:line-through;color:var(--muted)}
.qa-t{font-size:13.5px;color:var(--ink);font-weight:550}
.qa-v{font-size:12px;font-weight:800;color:var(--teal)}
.qa-a{grid-column:1/-1;display:flex;gap:6px;flex-wrap:wrap}
.tps-set{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:10px}
.tps-set label{display:grid;gap:4px;font-size:12px;text-align:center}
.tps-set input{width:100%;text-align:center}
#eyes-2{width:100%;padding:12px}
#eyes-2.on{background:#F59E0B;border-color:#D97706}
.tools-panel textarea{min-height:110px}
.tools-row{margin:10px 0;font-size:12.5px}
.tools-row label{display:flex;align-items:center;justify-content:space-between;gap:8px;font-weight:550}
.tools-row input{width:80px}
.tools-panel .control-row label{display:flex;align-items:center;gap:6px;margin:0;font-weight:550;font-size:12.5px}
.tools-panel .control-row input[type=number]{width:62px}
.tools-panel select{width:auto}
.tools-result{font-size:13px;margin-top:10px}
.tools-result:not(:empty){padding:10px 12px;border-radius:12px;background:var(--soft)}
.tools-result p{margin:3px 0}
.next-panel{border-top:3px solid var(--violet)}
#next-out:not(:empty){margin-top:12px}
.copilot-panel{border-top:3px solid var(--pink)}
.copilot-grid{display:grid;grid-template-columns:1fr 1fr;gap:6px}
.copilot-grid button{font-size:12px;justify-content:flex-start;text-align:left;white-space:normal}
.copilot-compare{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.copilot-compare>div:first-child{opacity:.7}
.picked-name{margin:0;font-size:15px}
.picked-name strong{font-size:22px;color:var(--brand-700)}
.next-card{padding:14px;border-radius:14px;background:linear-gradient(160deg,#FAF7FF,#F5F8FF);border:1px solid #DDD0FC}
.next-card p{margin:0 0 6px}
.next-card ul{margin:6px 0 0;padding-left:18px;font-size:13px}
.voice-badge{white-space:nowrap}
.notes{background:#FAF8FD;border-color:#E9E1F5}
.status-pill{background:var(--soft);border:1px solid var(--line);border-radius:99px;padding:6px 10px;font-size:11px;white-space:nowrap}
.login{max-width:440px;margin:12vh auto;padding:35px}
.login button{width:100%;margin-top:10px}
/* =====================================================================
   DIALOGS, FEATURE PANELS, AUTH, BILLING
   ===================================================================== */
.modal-backdrop{position:fixed;inset:0;z-index:50;display:grid;place-items:center;padding:16px;background:rgba(15,23,42,.55);backdrop-filter:blur(4px);animation:fade .15s}
.modal{position:relative;width:100%;max-width:500px;max-height:92vh;overflow:auto;background:var(--paper);border-radius:var(--r-xl);padding:28px;box-shadow:var(--sh-3);animation:rise .18s}
.modal.wide{max-width:820px}
.modal-x,button.modal-x{position:absolute;top:14px;right:14px;border-radius:50%;width:34px;height:34px;padding:0;font-size:18px;box-shadow:none;border-color:transparent;background:var(--soft);z-index:2}
.modal-x:hover{background:var(--line)}
.modal h2{padding-right:40px;margin-bottom:8px}
.modal h3{margin:14px 0 8px}
.modal>.panel-title{padding-right:44px;margin-bottom:14px}
.modal .panel{box-shadow:none}
.modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:22px;padding-top:16px;border-top:1px solid var(--line);flex-wrap:wrap}
.modal-actions.left{justify-content:flex-start}
.account-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:12px}
.steps{padding-left:20px;line-height:1.65;display:grid;gap:10px}
.template-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:14px}
.template{flex-direction:column;align-items:flex-start;text-align:left;gap:6px;padding:16px;height:100%;white-space:normal;border-radius:14px}
.template span{font-weight:450;color:var(--muted);line-height:1.5;font-size:12.5px}
.template:hover{border-color:var(--brand-400);background:var(--brand-50)}
.share{display:grid;grid-template-columns:1fr 220px;gap:24px;align-items:center}
.share-url{font-size:19px;font-weight:800;color:var(--ink);margin-bottom:6px;overflow-wrap:anywhere}
.share-code{font-size:46px;font-weight:800;color:var(--brand);letter-spacing:.14em;margin:4px 0 10px;font-family:var(--mono)}
.qr{background:#fff;border-radius:14px;padding:8px;border:1px solid var(--line)}
.qr svg{display:block;width:100%;height:auto}
.done-box{text-align:center;margin-bottom:22px}
.done-icon{width:60px;height:60px;border-radius:50%;margin:0 auto 14px;display:grid;place-items:center;background:linear-gradient(135deg,#22C55E,#15803D);color:#fff;font-size:30px;font-weight:800;box-shadow:0 10px 24px -8px rgba(21,128,61,.6)}
#pw-msg{margin:10px 0 0}

/* AI builder, previews, pickers */
.ai-builder{border:1px solid #D6CCFB;background:linear-gradient(160deg,#FAF7FF,#F5F8FF);border-radius:14px;padding:14px 16px;margin:12px 0 18px}
.ai-builder>summary{color:#5B21B6}
.ai-builder label{margin-top:10px}
.ai-row{display:flex;gap:14px;flex-wrap:wrap;align-items:flex-end;margin:10px 0}
.ai-row label{margin:0;font-weight:550}
.ai-row input[type=number]{width:84px}
.add-row{align-items:center}
.add-row>button{flex:0 1 auto}
.pick-row{display:flex;gap:12px;align-items:flex-start;border:1px solid var(--line);border-radius:12px;padding:11px 13px;margin:8px 0;font-weight:450;cursor:pointer;transition:border-color .15s,background .15s}
.pick-row:hover{border-color:var(--brand-400);background:var(--brand-50)}
.pick-row input{margin-top:3px}
.pick-row p{margin:4px 0 0;font-size:13px}
.preview-card{border:1px solid var(--line);border-radius:12px;padding:10px 12px;margin:6px 0;background:#fff;font-size:13px}
.preview-card p,.preview-card ul{margin:4px 0 0}
.preview-card ul{padding-left:18px}
.print-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:10px;margin:12px 0}
.print-grid button{flex-direction:column;align-items:flex-start;text-align:left;gap:4px;padding:14px;height:100%;white-space:normal;border-radius:14px}
.print-grid button span{font-weight:450;color:var(--muted);font-size:12px}
.print-grid button:hover{border-color:var(--brand-400);background:var(--brand-50)}
.print-grid .ai{border-color:#D6CCFB;background:#FAF7FF}
.ready-list{list-style:none;padding:0;margin:10px 0}
.ready-list li{padding:9px 12px;margin:6px 0;border-radius:10px;background:var(--amber-50);color:#92400E;font-size:13px;font-weight:550}
.past-reflections{padding-left:18px;font-size:13px}
.past-reflections li{margin-bottom:8px}
.sub-box{border:1px solid var(--line);border-radius:14px;padding:14px;margin-top:14px;background:var(--soft)}
.sub-box .qr{max-width:160px}
.sub-list{padding-left:18px;font-size:13px}
.sub-list li{margin:6px 0}
.sub-note{background:var(--sun-50);border-color:#F3D77A}
.fm-texts textarea{font-size:13px}
.fm-texts button{margin-top:6px}
.imp-tabs{margin:12px 0 16px}
.imp-src{display:grid;grid-template-columns:1fr auto 1fr;gap:12px;align-items:stretch;margin:10px 0}
.imp-src>label{display:grid;gap:8px;align-content:start;padding:14px;border:1px solid var(--line);border-radius:14px;background:var(--soft);margin:0}
.imp-src .or{align-self:center;font-size:11px;font-weight:800;color:var(--faint);text-transform:uppercase;letter-spacing:.1em}
.drop{border:2px dashed var(--line-2)!important;background:#fff!important}
.drop:hover{border-color:var(--brand-400)!important}
.drop small{font-weight:450}
.imp-progress{margin-top:12px;font-size:13px;font-weight:650;color:var(--brand-700)}
.imp-progress:not(:empty){padding:10px 12px;border-radius:10px;background:var(--brand-50)}
table.recap{width:100%;border-collapse:separate;border-spacing:0;font-size:12.5px;margin:12px 0;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.recap th{text-align:left;background:var(--soft);font-size:10.5px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);padding:9px 10px}
.recap td{padding:9px 10px;border-top:1px solid var(--line);vertical-align:top}
.recap tr:hover td{background:#FAFBFD}

/* organizer + vocabulary editors */
.org-top{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:10px}
.org-top select{width:auto}
.org-top input{flex:1;min-width:140px}
.org-cells{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:10px;margin-bottom:10px}
.org-edit{position:relative;display:grid;gap:6px;border:1px solid var(--line);border-radius:12px;padding:10px;background:#fff}
.org-edit textarea{min-height:54px}
.org-edit .icon-button{position:absolute;top:6px;right:6px;padding:2px 8px;min-width:0}
.org-details{grid-column:1/-1}
.org-preview{margin-top:10px;padding:12px;border:1px dashed var(--line-2);border-radius:12px;background:var(--soft)}
.visual-details{margin-top:18px;padding-top:16px;border-top:1px solid var(--line)}
.visual-details label{margin-top:12px}
.vocab{margin-top:22px}
.vocab-list{display:grid;gap:10px;margin:8px 0}
.vocab-edit{border:1px solid var(--line);border-radius:14px;padding:10px;background:#fff}
.vocab-edit-top{display:flex;gap:6px;align-items:center}
.vocab-edit-top input{flex:1}
.vocab-sym{max-width:58px;text-align:center;font-size:18px}
.vocab-pos{max-width:120px}
.vocab-edit-body{display:grid;grid-template-columns:1fr 1fr 1fr;gap:6px;margin-top:6px}
.vocab-add{display:flex;gap:6px}
.vocab-add input{flex:1}

/* co-teacher & shared lesson pages */
.team-view,.share-view{max-width:1100px}
.team-stages{padding:0;list-style:none;display:grid;gap:4px;counter-reset:st}
.team-stages li{counter-increment:st;display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:10px;font-size:13.5px}
.team-stages li:before{content:counter(st);width:24px;height:24px;border-radius:7px;display:grid;place-items:center;background:var(--soft);font-size:11px;font-weight:800;color:var(--muted)}
.team-stages li.now{background:var(--brand-50);font-weight:750}
.team-stages li.now:before{background:var(--brand);color:#fff}
.team-stages li.done{color:var(--muted)}
.team-stages li.done:before{content:'✓';background:var(--green-50);color:var(--good)}
.team-stages small{margin-left:auto}
.share-stage h3{display:flex;align-items:center;gap:10px}
.share-stage h3 small{margin-left:auto;font-weight:600}

/* ---------- sign-in ---------- */
.auth{min-height:100vh;display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:center;max-width:1200px;margin:auto;padding:40px 28px}
body:has(.auth){background:radial-gradient(1100px 600px at 0% 0%,#E6EEFF 0%,transparent 60%),radial-gradient(900px 600px at 100% 100%,#FFF1E0 0%,transparent 55%),var(--bg)}
.auth-pitch .brand{font-size:19px}
.auth-pitch h2{font-size:clamp(30px,3.6vw,50px);letter-spacing:-.035em;line-height:1.06;margin:30px 0 22px;font-weight:800;background:linear-gradient(120deg,#0F172A 30%,#1D4ED8 70%,#7C3AED);-webkit-background-clip:text;background-clip:text;color:transparent}
.pitch-list{list-style:none;padding:0;margin:0 0 24px;display:grid;gap:14px}
.pitch-list li{position:relative;padding:14px 16px 14px 56px;border-radius:16px;background:rgba(255,255,255,.75);border:1px solid var(--line);line-height:1.55;color:var(--text);font-size:14px;box-shadow:var(--sh-1)}
.pitch-list li:before{position:absolute;left:14px;top:14px;width:30px;height:30px;border-radius:10px;display:grid;place-items:center;font-size:15px;color:#fff}
.pitch-list li:nth-child(1):before{content:'🗺️';background:linear-gradient(135deg,#3B82F6,#1D4ED8)}
.pitch-list li:nth-child(2):before{content:'🌍';background:linear-gradient(135deg,#2DD4BF,#0D9488)}
.pitch-list li:nth-child(3):before{content:'📱';background:linear-gradient(135deg,#FB923C,#EA580C)}
.pitch-list li strong{color:var(--ink)}
.pitch-foot{font-size:12.5px;color:var(--muted)}
.auth-card{padding:34px;max-width:470px;width:100%;justify-self:end;border-radius:24px;box-shadow:var(--sh-3)}
.auth-card h1{font-size:27px}
.auth-card label{margin-top:14px}
.auth-card .big{margin-top:18px}
.auth-switch{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:13px;margin:20px 0 0;color:var(--muted)}
.student-join{margin-top:28px;padding:16px 18px;border-radius:18px;background:linear-gradient(135deg,#FFF8DB,#FFF1EA);border:1px solid #F7D9A8;max-width:440px}
.student-join label{font-size:14px;font-weight:550;margin-bottom:10px}
.sj-row{display:flex;gap:8px}
.sj-row input{font-size:20px;letter-spacing:.3em;font-weight:800;text-transform:uppercase;font-family:var(--mono);text-align:center}
.sj-row button{white-space:nowrap}
.site-links{font-size:12px;color:var(--muted);margin:22px 0 0;line-height:1.8;padding-top:14px;border-top:1px solid var(--line)}
.site-links a{color:var(--brand);text-decoration:none;font-weight:600}
.site-links a:hover{text-decoration:underline}

/* ---------- plans & paywall ---------- */
.paywall{min-height:100vh;display:grid;place-items:center;padding:30px 16px}
.paywall-card{max-width:780px;width:100%;padding:36px;border-radius:24px;box-shadow:var(--sh-3)}
.paywall-card .brand{margin-bottom:24px}
.paywall-foot{display:flex;gap:8px;flex-wrap:wrap;margin-top:24px;border-top:1px solid var(--line);padding-top:18px}
.plans{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;margin:22px 0 10px}
.plan{position:relative;display:flex;flex-direction:column;gap:6px;padding:22px;border:1px solid var(--line);border-radius:18px;background:#fff}
.plan.featured{border:2px solid var(--brand);background:linear-gradient(170deg,#F5F8FF,#fff 60%);box-shadow:0 18px 40px -18px rgba(29,78,216,.45)}
.plan .price{font-size:36px;font-weight:800;letter-spacing:-.04em;color:var(--ink)}
.plan .price small{font-size:13px;font-weight:600}
.plan button{margin-top:auto}
.plan-features{columns:2;font-size:13px;color:var(--text);padding-left:0;list-style:none;line-height:1.9;margin-top:16px}
.plan-features li:before{content:'✓ ';color:var(--good);font-weight:800}
/* =====================================================================
   STUDENT BOARD — classroom display (.display), student devices, and the
   small preview inside the console (.embed)
   ===================================================================== */
body.board-body{background:var(--bg)}
.board{--chrome:clamp(.92,var(--board-scale),1.3);min-height:100vh;padding:0 clamp(16px,3.2vw,56px) 40px;max-width:1920px;margin:0 auto;background:linear-gradient(180deg,var(--h-50) 0,rgba(255,255,255,0) 420px),var(--bg);display:flex;flex-direction:column}
.board-top{position:sticky;top:0;z-index:6;display:flex;justify-content:space-between;align-items:center;gap:18px;padding:14px 0;margin:0 calc(-1 * clamp(16px,3.2vw,56px));padding-left:clamp(16px,3.2vw,56px);padding-right:clamp(16px,3.2vw,56px);background:rgba(255,255,255,.82);backdrop-filter:saturate(1.5) blur(14px);-webkit-backdrop-filter:saturate(1.5) blur(14px);border-bottom:1px solid var(--line)}
.board-top:after{content:'';position:absolute;left:0;right:0;bottom:-1px;height:3px;background:var(--h)}
.board-identity{display:flex;align-items:center;gap:11px;min-width:0;font-size:13px;color:var(--muted)}
.board-identity>div{display:flex;flex-direction:column;min-width:0;line-height:1.25}
.board-identity strong{color:var(--ink);font-size:14.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.board-identity span:not(.class-code){white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:12.5px}
.class-code{margin-left:6px;padding:5px 10px;border-radius:99px;background:var(--h-50);color:var(--h-ink);font-size:11.5px;font-weight:800;letter-spacing:.12em;font-family:var(--mono);white-space:nowrap;border:1px solid var(--h-100)}
.board-timer{flex:0 0 auto;min-width:168px;padding:8px 22px 9px;border-radius:18px;text-align:center;background:linear-gradient(160deg,#1E293B,#0F172A);color:#FFD24A;box-shadow:0 10px 26px -12px rgba(15,23,42,.7),inset 0 1px 0 rgba(255,255,255,.08)}
.board-timer .clock{display:block;color:inherit;font-size:calc(50px * var(--chrome));line-height:1.02}
.board-timer small{display:block;color:#94A3B8;font-size:10px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;margin-top:2px}
.board-timer.last-minute{background:linear-gradient(160deg,#C2410C,#9A3412);color:#FFEDD5}
.board-timer.last-minute small{color:#FED7AA}
.board-timer.time-up{background:linear-gradient(160deg,#DC2626,#991B1B);color:#fff;animation:pulse 1.2s infinite}
.board-timer.time-up small{color:#FECACA}
.board-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:clamp(16px,2vw,30px);flex:1}
.with-side .board-layout{grid-template-columns:minmax(0,1fr) clamp(220px,19vw,320px)}
.board-main{min-width:0}
.board-heading{margin:clamp(18px,2.6vw,38px) 0 clamp(14px,1.8vw,26px)}
.stage-chip{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:99px;background:var(--h);color:#fff;font-size:calc(11px * var(--chrome));letter-spacing:.12em;margin-bottom:12px;box-shadow:0 6px 14px -8px var(--h)}
.board-heading h1{font-size:calc(clamp(30px,3.5vw,62px) * var(--board-scale));letter-spacing:-.035em;line-height:1.08;margin:0;color:var(--ink);font-weight:800}
.board-heading h1 .sub{display:block;font-size:.46em;color:var(--muted);font-weight:600;letter-spacing:-.01em;margin-top:.35em}
.board-target{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,360px),1fr));gap:clamp(12px,1.4vw,22px);margin-top:clamp(16px,2vw,28px);padding:clamp(18px,1.8vw,28px) clamp(20px,2.2vw,34px);border-radius:22px;background:linear-gradient(135deg,var(--h-ink),var(--h));color:#fff;box-shadow:0 18px 40px -22px var(--h)}
.board-target .eyebrow{color:rgba(255,255,255,.78)}
.board-target p{font-size:calc(clamp(19px,2vw,32px) * var(--board-scale));line-height:1.38;margin:0;white-space:pre-wrap;font-weight:650;color:#fff}
.board-target .line.translation p{color:rgba(255,255,255,.82)!important;font-weight:500}
.board-target .lang-obj{margin:0;padding-left:clamp(12px,1.4vw,22px);border-left:2px solid rgba(255,255,255,.3)}
.board-target .speak{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.3);color:#fff}
.board-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,380px),1fr));gap:clamp(14px,1.5vw,24px);align-items:start}
.board-card{position:relative;background:var(--paper);border:1px solid var(--line);border-radius:22px;padding:clamp(20px,1.9vw,32px) clamp(22px,2.1vw,34px);box-shadow:0 1px 2px rgba(15,23,42,.04),0 14px 34px -22px rgba(15,23,42,.28);overflow:hidden;animation:rise .25s both}
.board-card:before{content:'';position:absolute;left:0;right:0;top:0;height:5px;background:var(--h)}
.board-grid>.board-card:nth-child(4n+2):before{background:linear-gradient(90deg,var(--h),#0EA5A4)}
.board-grid>.board-card:nth-child(4n+3):before{background:linear-gradient(90deg,var(--h),#F59E0B)}
.board-grid>.board-card:nth-child(4n+4):before{background:linear-gradient(90deg,var(--h),#EC4899)}
.board-card.wide{grid-column:1/-1}
.board-card h2{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:calc(15px * var(--chrome));font-weight:800;color:var(--h-ink);letter-spacing:.01em;margin-bottom:calc(16px * var(--chrome))}
.card-ico{width:calc(34px * var(--chrome));height:calc(34px * var(--chrome));border-radius:11px;display:inline-grid;place-items:center;background:var(--h-50);font-size:calc(17px * var(--chrome));flex:0 0 auto}
.board-card p,.board-card li{font-size:calc(clamp(19px,1.95vw,31px) * var(--board-scale));font-weight:500;line-height:1.5;white-space:pre-wrap;overflow-wrap:anywhere;color:var(--ink)}
.board-card p{margin:0}
.board-card ul{margin:0;padding-left:1.15em}
.board-card li{margin-bottom:.4em}
.board-card li::marker{color:var(--h)}
.tr-chrome{font-weight:500;opacity:.8}
.line{display:flex;gap:14px;align-items:flex-start}
.line>ul,.line>p{flex:1;min-width:0}
.line.translation{margin-top:14px;padding-top:12px;border-top:1px dashed var(--line-2)}
.line.translation.first{margin-top:0;padding-top:0;border-top:0;padding-bottom:12px;border-bottom:1px dashed var(--line-2)}
.line.translation.first+.line{margin-top:12px}
.line.translation p,.line.translation li{color:#475569;font-size:calc(clamp(17px,1.75vw,27px) * var(--board-scale))!important}
.translation{color:#475569}
p.translation,small.translation{margin-top:6px}
[dir=rtl].line{direction:rtl}
[dir=rtl] ul{padding-right:1.15em;padding-left:0}
.speak,button.speak{flex:0 0 auto;width:44px;height:44px;padding:0;border-radius:50%;background:var(--h-50);border-color:var(--h-100);color:var(--h-ink);box-shadow:none}
.speak:hover{background:var(--h-100)}
.speak svg{width:21px;height:21px;fill:currentColor}
.speak.playing{background:var(--h);color:#fff;animation:pulse 1s infinite}
.criteria ul{list-style:none;padding-left:0}
.criteria li{position:relative;padding-left:1.5em}
.criteria li:before{content:'';position:absolute;left:0;top:.28em;width:.95em;height:.95em;border:2.5px solid var(--h);border-radius:.25em}
.board-image{display:block;width:100%;max-height:58vh;object-fit:contain;border-radius:14px;background:var(--soft)}
.visual .board-image{background:#fff}
.slide-stage{margin:0 0 clamp(14px,1.5vw,24px);border-radius:22px;overflow:hidden;background:#0F172A;box-shadow:0 20px 50px -24px rgba(15,23,42,.6)}
.slide-img{max-height:calc(100vh - 230px);border-radius:0;background:#0F172A}
.slides-card{padding:0!important}
.slides-card:before{display:none}
.slides-frame{position:relative;width:100%;aspect-ratio:16/9;max-height:74vh;background:#0F172A}
.slides-frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0;background:#0F172A}
.reveal-more{display:grid;place-items:center;min-height:110px;border:2px dashed var(--line-2);background:transparent;box-shadow:none}
.reveal-more:before{display:none}
.reveal-more span{font-size:calc(17px * var(--chrome));font-weight:700;color:var(--muted)}

/* mood meter */
.mood-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(10px,1.2vw,18px)}
.mood{display:flex;flex-direction:column;gap:4px;border-radius:18px;padding:clamp(18px,2vw,30px);font-size:calc(clamp(20px,2.1vw,34px) * var(--board-scale));font-weight:800}
.mood small{font-weight:600;font-size:.62em;margin-top:6px;color:inherit;opacity:.8}
.mood-tr{font-weight:600;font-size:.8em;opacity:.9}
.mood.red{background:linear-gradient(135deg,#FECACA,#FCA5A5);color:#7F1D1D}
.mood.yellow{background:linear-gradient(135deg,#FEF08A,#FDE047);color:#713F12}
.mood.blue{background:linear-gradient(135deg,#BFDBFE,#93C5FD);color:#1E3A8A}
.mood.green{background:linear-gradient(135deg,#BBF7D0,#86EFAC);color:#14532D}

/* graphic organizers */
.organizer h2{margin-bottom:14px}
.org-row{display:flex;gap:clamp(10px,1.2vw,18px);align-items:stretch}
.org-row>.org-cell{flex:1;min-width:0}
.org-arrow{align-self:center;font-size:calc(30px * var(--board-scale));color:var(--h);font-weight:800}
.org-cell{background:var(--h-50);border:2px solid var(--h-100);border-radius:16px;padding:clamp(12px,1.3vw,20px) clamp(14px,1.5vw,22px)}
.org-cell h3{display:flex;gap:8px;align-items:center;font-size:calc(17px * var(--board-scale));color:var(--h-ink);margin-bottom:8px}
.org-cell p{font-size:calc(clamp(17px,1.6vw,26px) * var(--board-scale));line-height:1.45;margin:0;white-space:pre-wrap}
.org-cell p.translation{color:#475569;margin-top:6px;font-size:calc(clamp(15px,1.4vw,23px) * var(--board-scale))}
.org-n{display:inline-grid;place-items:center;width:1.6em;height:1.6em;border-radius:50%;background:var(--h);color:#fff;font-size:.85em}
.org-tchart .org-cell:first-child,.org-compare .org-cell:first-child{background:#EFF4FF;border-color:#C7D7FB}
.org-tchart .org-cell:last-child,.org-compare .org-cell:nth-child(2){background:#FFF6E0;border-color:#F8DF9E}
.org-compare .org-cell:nth-child(3){background:#EAF8EF;border-color:#BCE7CB}
.org-wordparts .org-cell:last-child{background:#EAF8EF;border-color:#BCE7CB}
.org-concept{display:grid;gap:12px}
.org-core .org-cell{background:linear-gradient(135deg,var(--h-ink),var(--h));border-color:transparent;text-align:center}
.org-core .org-cell h3,.org-core .org-cell p{color:#fff;justify-content:center}
.org-around{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px}

/* word of the moment */
.vocab-card{display:flex;gap:clamp(18px,2.4vw,36px);align-items:flex-start;margin:6px 0 clamp(16px,1.8vw,26px);padding:clamp(22px,2.4vw,38px) clamp(24px,2.6vw,42px);border-radius:26px;background:linear-gradient(135deg,#fff 55%,var(--h-50));border:3px solid var(--h);box-shadow:0 22px 50px -26px var(--h);animation:rise .3s}
.vocab-symbol{font-size:calc(clamp(72px,9vw,150px) * var(--board-scale));line-height:1;filter:drop-shadow(0 10px 14px rgba(15,23,42,.18))}
.vocab-main{flex:1;min-width:0}
.vocab-main h2{display:flex;align-items:center;gap:14px;flex-wrap:wrap;font-size:calc(clamp(42px,5vw,88px) * var(--board-scale));letter-spacing:-.035em;color:var(--ink);margin:0 0 4px;font-weight:800}
.syll{font-size:calc(clamp(16px,1.5vw,24px) * var(--board-scale));color:var(--h);font-weight:700;letter-spacing:.08em;margin-bottom:10px}
.cognate{display:inline-flex;align-items:center;gap:4px;margin-left:6px;padding:2px 9px;border-radius:99px;background:var(--green-50);color:var(--good);font-size:11px;font-style:normal;letter-spacing:.04em;text-transform:none;font-weight:750}
.vocab-tr{display:flex;gap:12px;align-items:center;flex-wrap:wrap;font-size:calc(clamp(24px,2.8vw,46px) * var(--board-scale));color:var(--h);font-weight:750;margin:0 0 12px}
.vocab-def p,.vocab-ex p,.vocab-frame p{font-size:calc(clamp(19px,2vw,31px) * var(--board-scale));margin:4px 0;line-height:1.4;color:var(--ink)}
.vocab-def p.translation,.vocab-ex p.translation,.vocab-frame p.translation{color:#475569;font-size:calc(clamp(17px,1.7vw,26px) * var(--board-scale))}
.vocab-ex,.vocab-frame{margin-top:14px}
.vocab-ex strong,.vocab-frame strong{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--h-ink)}
.vocab-frame{background:var(--sun-50);border:1px solid #F8E3A0;border-radius:14px;padding:12px 16px}

/* widgets: voice level, traffic light, work mode, countdown */
.widgets{display:flex;gap:10px;align-items:center;flex-wrap:wrap;justify-content:center;flex:1}
.widget{display:flex;align-items:center;gap:10px;padding:7px 14px;border-radius:16px;background:#fff;border:2px solid var(--line);font-weight:800;font-size:calc(16px * var(--chrome));color:var(--ink);box-shadow:var(--sh-1);animation:rise .2s}
.widget>span:first-child{font-size:1.55em;line-height:1}
.widget small{display:block;font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-weight:800}
.voice-0{border-color:#93C5FD;background:#EFF6FF}
.voice-1{border-color:#86EFAC;background:#F0FDF4}
.voice-2{border-color:#FCD34D;background:#FFFBEB}
.voice-3{border-color:#FDA4AF;background:#FFF1F2}
.traffic{gap:7px;padding:8px 12px;background:#1E293B;border-color:#0F172A}
.tl{width:calc(22px * var(--chrome));height:calc(22px * var(--chrome));border-radius:50%;opacity:.22}
.tl.red{background:#EF4444}.tl.yellow{background:#FACC15}.tl.green{background:#22C55E}
.tl.on{opacity:1;box-shadow:0 0 14px 3px currentColor}
.tl.red.on{color:#EF4444}.tl.yellow.on{color:#FACC15}.tl.green.on{color:#22C55E}
.work{background:var(--violet-50);border-color:#DDD0FC}
.event{flex-direction:column;gap:0;align-items:center;background:var(--sun-50);border-color:#F6DB88;padding:6px 16px;line-height:1.1}
.event strong{font-variant-numeric:tabular-nums;font-size:1.25em}

/* think-pair-share */
.tps-banner{display:grid;grid-template-columns:auto 1fr auto;gap:clamp(12px,2vw,30px);align-items:center;margin:0 0 clamp(16px,1.8vw,26px);padding:clamp(14px,1.6vw,24px) clamp(18px,2vw,30px);border-radius:22px;color:#fff;background:linear-gradient(135deg,#7C3AED,#4F46E5);box-shadow:0 18px 44px -22px #4F46E5;transition:background .4s}
.tps-banner.tps-pair{background:linear-gradient(135deg,#0D9488,#0284C7)}
.tps-banner.tps-share{background:linear-gradient(135deg,#EA580C,#DB2777)}
.tps-banner.tps-done{background:linear-gradient(135deg,#16A34A,#0D9488)}
.tps-steps{display:flex;gap:8px;align-items:center;font-size:calc(14px * var(--board-scale));font-weight:700}
.tps-steps span{padding:6px 12px;border-radius:99px;background:rgba(255,255,255,.14);opacity:.7}
.tps-steps span.on{background:#fff;color:var(--ink);opacity:1}
.tps-steps i{font-style:normal;opacity:.6}
.tps-now strong{display:block;font-size:calc(clamp(24px,2.6vw,42px) * var(--board-scale));letter-spacing:-.02em}
.tps-now small{color:rgba(255,255,255,.85);font-size:calc(15px * var(--board-scale));font-weight:600}
.tps-clock{font-size:calc(clamp(34px,4vw,64px) * var(--board-scale));font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:-.03em}

/* side panel: join QR + agenda */
.board-side{display:grid;gap:16px;align-content:start;position:sticky;top:110px;margin-top:clamp(18px,2.6vw,38px)}
.side-qr,.agenda{background:#fff;border:1px solid var(--line);border-radius:20px;padding:16px 18px;box-shadow:var(--sh-2)}
.side-qr{text-align:center}
.side-qr .qr{border:0;padding:0;margin:0 auto 10px;max-width:220px}
.side-qr p{margin:0;font-size:calc(14px * var(--chrome));color:var(--muted);line-height:1.5}
.side-qr strong{color:var(--ink)}
.side-qr .mono{font-size:1.3em;color:var(--brand)}
.agenda ol{list-style:none;margin:0;padding:0;display:grid;gap:4px;counter-reset:ag}
.agenda li{counter-increment:ag;display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:12px;font-size:calc(14.5px * var(--chrome));font-weight:600;color:var(--text)}
.agenda li:before{content:counter(ag);width:24px;height:24px;border-radius:8px;display:grid;place-items:center;background:var(--soft);color:var(--muted);font-size:11px;font-weight:800;flex:0 0 auto}
.agenda li span{flex:1;min-width:0}
.agenda li small{font-weight:700;font-variant-numeric:tabular-nums}
.agenda li.done{color:var(--faint);text-decoration:line-through}
.agenda li.done:before{content:'✓';background:var(--green-50);color:var(--good)}
.agenda li.now{background:var(--h-50);color:var(--h-ink);font-weight:800}
.agenda li.now:before{background:var(--h);color:#fff}

/* waiting / paused / blank */
.waiting{flex:1;display:grid;place-content:center;justify-items:center;text-align:center;padding:12vh 20px}
.wait-art{width:clamp(96px,11vw,150px);height:clamp(96px,11vw,150px);border-radius:36%;display:grid;place-items:center;font-size:clamp(48px,6vw,80px);background:linear-gradient(135deg,var(--h-50),#fff);border:1px solid var(--h-100,var(--line));box-shadow:0 20px 50px -24px var(--h);margin-bottom:26px;animation:pop .6s}
.waiting h1{font-size:clamp(32px,5vw,68px);letter-spacing:-.035em}
.waiting p{font-size:clamp(16px,1.6vw,22px);color:var(--muted)}
.blank-board{background:var(--bg)}
.blank-board .waiting h1{color:var(--faint);font-weight:700}

/* footer tools */
.board-footer{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-top:34px;padding-top:16px;border-top:1px solid var(--line);font-size:11px;color:var(--muted)}
.board-tools{display:flex;gap:6px;flex-wrap:wrap;align-items:center;margin-left:auto}
.board-tools button{padding:8px 12px;font-size:12.5px;border-radius:10px}
.board-tools button[aria-pressed=true]{background:var(--h-50);border-color:var(--h-100);color:var(--h-ink)}
.my-lang{display:flex;gap:6px;align-items:center;font-size:12px;font-weight:600;margin:0;color:var(--muted)}
.my-lang select{width:auto;padding:7px 30px 7px 10px;font-size:12.5px}
.board-network{font-size:12px;font-weight:600;color:var(--muted)}
.board-network:empty{display:none}
.board-network.offline{position:fixed;left:0;right:0;bottom:0;z-index:45;padding:12px 20px;text-align:center;background:#FFF1E6;color:#9A3412;border-top:1px solid #FDBA74;font-weight:750}

/* join */
.join{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(900px 500px at 10% 0%,#E6EEFF,transparent 60%),radial-gradient(800px 500px at 100% 100%,#FFF1E0,transparent 55%),var(--bg)}
.join-card{width:100%;max-width:440px;text-align:center;background:#fff;border:1px solid var(--line);border-radius:28px;padding:38px 32px;box-shadow:var(--sh-3);animation:rise .3s}
.join-art{width:84px;height:84px;margin:-80px auto 16px;border-radius:28px;display:grid;place-items:center;font-size:44px;background:linear-gradient(135deg,#FFD24A,#F97360);box-shadow:0 18px 30px -14px #F97360;transform:rotate(-6deg)}
.join-card .brand{justify-content:center;margin-bottom:22px}
.join-card h1{font-size:30px}
.code-input{font-size:40px;text-align:center;letter-spacing:.35em;font-weight:800;text-transform:uppercase;padding:14px 10px 14px calc(10px + .35em);margin:18px 0 6px;font-family:var(--mono);border-width:2px;border-radius:16px}
.join-card .big{margin-top:10px}
.join-card .help{margin:16px 0 0}
/* ---------- Quick Check on the board and devices ---------- */
.check-card{border:3px solid var(--brand);margin-bottom:clamp(14px,1.5vw,24px);background:linear-gradient(170deg,#fff 60%,#F5F8FF)}
.check-card:before{background:linear-gradient(90deg,#1D4ED8,#7C3AED)!important}
.check-card h2{color:var(--brand-700);justify-content:flex-start}
.check-card .card-ico{background:var(--brand-50)}
.check-count{margin-left:auto;font-size:calc(13px * var(--chrome));background:var(--brand);color:#fff;border-radius:99px;padding:5px 14px;font-weight:800;font-variant-numeric:tabular-nums}
.check-q p{font-size:calc(clamp(22px,2.4vw,40px) * var(--board-scale));font-weight:750;margin:0 0 6px;line-height:1.28;color:var(--ink)}
.check-q p.translation{font-weight:500;color:#475569;font-size:calc(clamp(19px,2vw,31px) * var(--board-scale))}
.check-join{display:inline-flex;align-items:center;gap:6px;margin:10px 0 4px;padding:8px 14px;border-radius:99px;background:var(--brand-50);font-size:calc(17px * var(--chrome))!important;color:var(--brand-700)!important;font-weight:600}
.check-join strong{color:var(--brand-700);font-family:var(--mono)}
h2 .check-join{margin:0 0 0 auto;font-size:calc(13px * var(--chrome))!important}
.check-form{display:flex;gap:10px;margin-top:16px;align-items:flex-end}
.check-form textarea,.check-form input{font-size:18px;min-height:56px;border-width:2px;border-radius:14px}
.check-form textarea{min-height:70px}
.check-form .primary{padding:14px 22px;font-size:15px;border-radius:14px}
.mic{flex:0 0 auto;width:56px;height:56px;border-radius:50%;font-size:22px;padding:0}
.mic.playing{background:var(--red);border-color:var(--red);color:#fff;animation:pulse 1s infinite}
.check-choices{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:10px;margin-top:16px}
.check-choices button{justify-content:flex-start;text-align:left;white-space:normal;font-size:18px;padding:16px 18px;border-width:2px;border-radius:16px;min-height:64px}
.check-choices button:nth-child(1){border-color:#BFD2FB}.check-choices button:nth-child(2){border-color:#F8D59A}.check-choices button:nth-child(3){border-color:#B5E8C8}.check-choices button:nth-child(4){border-color:#F9C3D8}
.check-choices button:hover{background:var(--brand-50)}
.check-choices button.chosen{background:var(--brand);border-color:var(--brand);color:#fff;box-shadow:0 10px 22px -12px var(--brand)}
.blank-form,.match-form,.crit-form{margin-top:14px;display:grid;gap:10px}
.blank-q{font-size:calc(clamp(20px,2vw,30px) * var(--board-scale));line-height:2.1;margin:0}
.blank-q input{display:inline-block;width:auto;min-width:120px;max-width:260px;margin:0 6px;padding:6px 10px;font-size:.85em;border-width:0 0 3px;border-radius:8px 8px 0 0;border-color:var(--brand);background:var(--brand-50);text-align:center;font-weight:700}
.match-row{display:grid;grid-template-columns:1fr 1.2fr;gap:12px;align-items:center;padding:10px 12px;border:1px solid var(--line);border-radius:14px;background:#fff;margin:0;font-size:16px}
.match-row span{font-weight:700;color:var(--ink)}
.crit-row{display:flex;gap:12px;align-items:flex-start;padding:12px 14px;border:1px solid var(--line);border-radius:14px;background:#fff;margin:0;font-size:17px;font-weight:550;cursor:pointer}
.crit-row:has(input:checked){border-color:#86EFAC;background:var(--green-50)}
.crit-row input{width:22px;height:22px;margin-top:2px}
.blank-form>.primary,.match-form>.primary,.crit-form>.primary{justify-self:start;padding:13px 26px;font-size:15px}
.conf-pick,.team-pick{display:flex;gap:6px;flex-wrap:wrap;align-items:center;margin:14px 0 4px}
.conf-pick small,.team-pick small{width:100%;font-weight:750;font-size:12px;text-transform:uppercase;letter-spacing:.08em}
.conf-pick button,.team-pick button{border-radius:99px;padding:8px 14px;font-size:14px}
.conf-pick button.chosen,.team-pick button.chosen{background:var(--ink);border-color:var(--ink);color:#fff}
.think-ring{display:grid;justify-items:center;gap:4px;margin:18px auto;padding:22px;width:180px;height:180px;align-content:center;border-radius:50%;background:conic-gradient(var(--violet),var(--brand),var(--violet));color:#fff;box-shadow:0 20px 40px -20px var(--violet);animation:pulse 1.6s infinite}
.think-ring span{font-size:30px}
.think-ring strong{font-size:52px;line-height:1;font-variant-numeric:tabular-nums}
.think-ring small{color:rgba(255,255,255,.9);font-weight:700}
.draw-wrap{margin-top:14px;display:grid;gap:10px}
#draw-pad{width:100%;height:auto;aspect-ratio:900/560;background:#fff;border:2px solid var(--line-2);border-radius:16px;touch-action:none;cursor:crosshair}
.draw-tools,.annot-bar{display:flex;gap:6px;flex-wrap:wrap;align-items:center}
.draw-tools button,.annot-bar button{border-radius:10px;min-width:44px}
.draw-tools button.chosen,.annot-bar button.chosen{background:var(--ink);border-color:var(--ink);color:#fff}
.draw-tools .primary{margin-left:auto}
.photo-pick{margin-top:14px;text-align:center}
.photo-pick .button{max-width:420px;margin:0 auto}
.point-wrap{position:relative;display:block;margin:14px auto 6px;max-width:100%;width:fit-content;border-radius:14px;overflow:hidden;border:2px solid var(--line)}
.point-wrap img{display:block;max-width:100%;max-height:60vh;cursor:crosshair}
.point-wrap.display img{cursor:default}
.point-wrap.small img{max-height:200px}
.pin{position:absolute;width:26px;height:26px;margin:-26px 0 0 -13px;background:var(--red);border:3px solid #fff;border-radius:50% 50% 50% 0;transform:rotate(-45deg);box-shadow:0 6px 12px rgba(0,0,0,.3);pointer-events:none}
.heat{position:absolute;width:30px;height:30px;margin:-15px 0 0 -15px;border-radius:50%;background:radial-gradient(circle,rgba(239,68,68,.75),rgba(239,68,68,0) 70%);pointer-events:none;mix-blend-mode:multiply}
.point-wrap.small .heat{width:18px;height:18px;margin:-9px 0 0 -9px}
.my-feedback{margin-top:14px;padding:14px 16px;border-radius:16px;background:linear-gradient(135deg,#F4EFFF,#EFF4FF);border:1px solid #DDD0FC}
.my-feedback .eyebrow{color:#6D28D9}
.my-feedback p{font-size:calc(18px * var(--board-scale))!important;margin:0 0 4px}
.check-card .ok{font-size:16px;margin:12px 0 0}

/* results */
.goal-meter{display:flex;align-items:center;gap:20px;margin:18px 0 8px}
.goal-meter strong{font-size:calc(19px * var(--chrome));color:var(--ink)}
.goal-meter small{display:block;margin-top:6px;font-weight:700;font-size:calc(14px * var(--board-scale))}
.ring{--p:0;--size:110px;position:relative;width:var(--size);height:var(--size);flex:0 0 auto;border-radius:50%;background:conic-gradient(#22C55E calc(var(--p) * 1%),var(--soft) 0);display:grid;place-items:center}
.ring:before{content:'';position:absolute;inset:12%;border-radius:50%;background:#fff}
.ring span{position:relative;font-size:calc(var(--size) * .24);font-weight:800;color:var(--ink);font-variant-numeric:tabular-nums}
.ring.small{--size:58px}
.goal-bar{height:12px;border-radius:99px;background:var(--soft);overflow:hidden;margin-top:8px;min-width:200px}
.goal-bar span{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,#FACC15,#22C55E);transition:width .6s}
.check-bars{margin-top:16px}
.check-card .bar-row{grid-template-columns:minmax(120px,1fr) 3fr auto;font-size:calc(17px * var(--chrome));gap:14px;margin:9px 0}
.check-card .bar{height:calc(24px * var(--chrome))}
.check-card .bar-row:nth-child(2) .bar span{background:linear-gradient(90deg,#FBBF24,#D97706)}
.check-card .bar-row:nth-child(3) .bar span{background:linear-gradient(90deg,#2DD4BF,#0D9488)}
.check-card .bar-row:nth-child(4) .bar span{background:linear-gradient(90deg,#F472B6,#DB2777)}
.check-card .bar-row.is-correct .bar span{background:linear-gradient(90deg,#4ADE80,#15803D)}
.check-card .bar-row strong{font-variant-numeric:tabular-nums;min-width:2ch;text-align:right}
.word-cloud{display:flex;flex-wrap:wrap;gap:6px 16px;justify-content:center;align-items:center;padding:18px;margin-top:14px;border-radius:18px;background:var(--soft)}
.word-cloud span{font-size:calc(22px * var(--s,1) * var(--board-scale));font-weight:800;color:hsl(var(--h,220) 70% 38%);line-height:1.15;animation:pop .4s both}
.word-cloud.small{padding:10px;gap:3px 10px}
.word-cloud.small span{font-size:calc(13px * var(--s,1))}
.flu-tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:14px 0}
.flu-tiles div{padding:14px;border-radius:16px;background:var(--soft);text-align:center}
.flu-tiles div:nth-child(1){background:var(--brand-50)}.flu-tiles div:nth-child(2){background:var(--green-50)}.flu-tiles div:nth-child(3){background:var(--sun-50)}
.flu-tiles strong{display:block;font-size:calc(34px * var(--chrome));font-weight:800;color:var(--ink);font-variant-numeric:tabular-nums;line-height:1.1}
.flu-tiles small{font-weight:650;font-size:12px}
.flu-tiles.small strong{font-size:22px}
.flu-tiles.small div{padding:10px}
.conf-row,.team-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}
.conf-row span,.team-row span{padding:6px 14px;border-radius:99px;background:var(--soft);font-weight:750;font-size:calc(15px * var(--board-scale))}
.spotlight{margin-top:18px;padding-top:16px;border-top:1px dashed var(--line-2)}
.spotlight .eyebrow{color:var(--amber)}
.spot-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:12px}
.spot{padding:16px 18px;border-radius:18px;background:var(--sun-50);border:2px solid #F8DF9E;animation:pop .4s both}
.spot p{font-size:calc(19px * var(--board-scale))!important;font-weight:600}
.spot img{display:block;max-width:100%;max-height:34vh;margin:0 auto;border-radius:10px;background:#fff}

/* Q&A, hints, levels */
.qa-card{border-top-color:transparent}
.qa-card:before{background:linear-gradient(90deg,#0D9488,#0284C7)!important}
.qa-ask{display:flex;gap:8px;margin-bottom:6px}
.qa-ask input{font-size:16px;padding:12px 14px;border-radius:14px}
.qa-list{list-style:none;padding:0;margin:10px 0 0;display:grid;gap:8px}
.qa-list li{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:14px;background:var(--teal-50);border:1px solid #BEE9E4;font-size:calc(18px * var(--board-scale));font-weight:600;color:var(--ink);white-space:normal}
.qa-list li span{flex:1;min-width:0;overflow-wrap:anywhere}
.qa-list li.answered{background:var(--soft);border-color:var(--line);color:var(--muted)}
.qa-list li em{font-size:.7em;color:var(--good);font-style:normal;font-weight:800}
.qa-list li b{font-size:.8em;color:var(--teal);white-space:nowrap}
.qa-list li button{border-radius:99px;padding:6px 12px}
.qa-list li.empty{background:transparent;border-style:dashed;color:var(--muted);justify-content:center;font-weight:500}
.hint-card:before{background:linear-gradient(90deg,#F59E0B,#FACC15)!important}
.hint-card .card-ico{background:var(--sun-50)}
.hint{padding:12px 14px;border-radius:14px;background:var(--sun-50);border:1px solid #F8E3A0;margin:0 0 10px!important;animation:rise .25s}
.hint b{display:inline-block;margin-right:8px;padding:2px 8px;border-radius:6px;background:#F59E0B;color:#fff;font-size:.62em;text-transform:uppercase;letter-spacing:.08em;vertical-align:middle}
.level-pick{display:inline-flex;gap:4px;padding:4px;margin:-4px 0 14px;border-radius:99px;background:var(--soft)}
.level-pick button{border:0;box-shadow:none;background:transparent;border-radius:99px;padding:6px 12px;font-size:14px}
.level-pick button.chosen{background:#fff;box-shadow:var(--sh-2)}
.tier-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(10px,1.2vw,18px)}
.tier{padding:clamp(14px,1.4vw,22px);border-radius:18px;border:2px solid var(--line)}
.tier .eyebrow{color:var(--ink)}
.tier-1{background:#F0FDF4;border-color:#BBF7D0}
.tier-2{background:#EFF6FF;border-color:#BFDBFE}
.tier-3{background:#F5F3FF;border-color:#DDD6FE}
.tier .board-card p,.tier p,.tier li{font-size:calc(clamp(16px,1.5vw,24px) * var(--board-scale))}

/* reading passages, choral & echo reading, fluency */
.passage{line-height:1.8!important}
.passage-card{background:linear-gradient(180deg,#FFFDF6,#fff)}
.passage .w{border-radius:6px;padding:0 1px;transition:background .15s,color .15s}
.passage .w.past{color:var(--faint)}
.passage .w.now{background:#FFD24A;color:var(--ink);box-shadow:0 0 0 3px #FFD24A}
.passage .w.echo{background:#BFDBFE;color:var(--brand-700);box-shadow:0 0 0 3px #BFDBFE}
.reading-choral,.reading-echo{border-color:#F8DF9E;box-shadow:0 0 0 4px #FFF3C4,0 20px 40px -24px #F59E0B}
.reading-echo[data-phase=teacher]:after,.reading-echo[data-phase=class]:after{position:absolute;top:14px;right:18px;padding:5px 12px;border-radius:99px;font-size:13px;font-weight:800;letter-spacing:.06em;text-transform:uppercase}
.reading-echo[data-phase=teacher]:after{content:'🧑‍🏫 Listen';background:#FFD24A;color:#3B2600}
.reading-echo[data-phase=class]:after{content:'🗣️ Your turn';background:#BFDBFE;color:var(--brand-700)}
.flu-box{margin-top:14px}
.flu-passage{font-size:calc(clamp(19px,1.9vw,28px) * var(--board-scale));padding:16px 18px;border-radius:16px;background:#FFFDF6;border:1px solid #F8E3A0;color:var(--ink)}
.flu-passage .w.read{color:var(--good)}
.flu-passage .w.missed{background:var(--red-50);color:var(--bad);text-decoration:underline wavy #F87171}
.flu-actions{display:grid;gap:8px;justify-items:center;margin:14px 0}
.flu-actions .big{max-width:420px}
/* ---------- full-screen overlays ---------- */
.present-overlay,.local-overlay{position:fixed;inset:0;z-index:40;display:grid;place-items:center;padding:30px;background:radial-gradient(circle at 50% 30%,rgba(30,64,175,.9),rgba(15,23,42,.94));backdrop-filter:blur(6px);animation:fade .2s}
.present-card{display:grid;gap:12px;max-width:470px;padding:36px;text-align:center;background:#fff;border-radius:26px;box-shadow:var(--sh-3)}
.present-card h2{margin:0;font-size:24px}
.pick-card,.groups-card{background:#fff;border-radius:30px;padding:clamp(28px,4vw,56px) clamp(30px,5vw,70px);text-align:center;max-width:92vw;box-shadow:var(--sh-3);animation:pop .35s}
.pick-card h2{font-size:clamp(26px,3.4vw,52px);letter-spacing:-.02em;margin:10px 0 24px}
.pick-card .big{width:auto;padding:16px 28px;font-size:18px}
.pick-name{min-width:40vw;font-size:clamp(52px,8.5vw,140px);font-weight:800;letter-spacing:-.04em;color:var(--ink);line-height:1.1}
.pick-name.picked{background:linear-gradient(120deg,#1D4ED8,#7C3AED 50%,#DB2777);-webkit-background-clip:text;background-clip:text;color:transparent;animation:pop .6s ease}
.groups-card{width:min(1440px,94vw);max-height:92vh;overflow:auto}
.groups-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:14px;text-align:left;margin-top:14px}
.group{border-radius:20px;padding:16px 20px;border:2px solid transparent}
.group h3{font-size:clamp(17px,1.5vw,22px);margin-bottom:8px}
.group ul{margin:0;padding-left:1.1em;font-size:clamp(17px,1.6vw,25px);line-height:1.5}
.group em{font-style:normal;font-size:.72em;font-weight:700;opacity:.8}
.g0{background:#EFF4FF;border-color:#C7D7FB}.g0 h3{color:#1E40AF}
.g1{background:#E7F7F5;border-color:#A7E3DB}.g1 h3{color:#115E59}
.g2{background:#FFF6E0;border-color:#F8DF9E}.g2 h3{color:#92400E}
.g3{background:#FFF0EC;border-color:#FDC6B6}.g3 h3{color:#9A3412}
.g4{background:#F4EFFF;border-color:#DDD0FC}.g4 h3{color:#5B21B6}
.g5{background:#EAF8EF;border-color:#BCE7CB}.g5 h3{color:#166534}
.g6{background:#FDEEF5;border-color:#F9C3D8}.g6 h3{color:#9D174D}
.g7{background:#E8F5FC;border-color:#B5DDF3}.g7 h3{color:#075985}
.dice{display:flex;gap:24px;justify-content:center;font-size:clamp(110px,15vw,220px);line-height:1;color:var(--ink)}
.dice span{animation:pop .5s both}
.dice span:nth-child(2){animation-delay:.12s}
.dice-total{font-size:clamp(24px,3vw,42px);font-weight:800;color:var(--brand);margin:10px 0 0}
.eyes-overlay{position:fixed;inset:0;z-index:48;display:grid;place-items:center;text-align:center;padding:30px;color:#fff;background:linear-gradient(135deg,#F59E0B,#EA580C 45%,#DB2777);animation:fade .25s}
.eyes-overlay>div{animation:pop .5s}
.eyes-overlay span{display:block;font-size:clamp(90px,14vw,200px);line-height:1;margin-bottom:16px}
.eyes-overlay h1{color:#fff;font-size:clamp(34px,6vw,90px);letter-spacing:-.035em}
.eyes-overlay p{font-size:clamp(16px,2vw,24px);opacity:.92}
.annot{position:fixed;inset:0;z-index:44}
.annot canvas{position:absolute;inset:0;width:100%;height:100%;cursor:crosshair;touch-action:none}
.annot[data-bg=white]{background:#fff}
.annot[data-bg=grid]{background:#fff linear-gradient(#E2E8F0 1px,transparent 1px) 0 0/40px 40px,#fff linear-gradient(90deg,#E2E8F0 1px,transparent 1px) 0 0/40px 40px;background-blend-mode:multiply}
.annot[data-bg=lines]{background:#fff repeating-linear-gradient(transparent 0 47px,#BFDBFE 47px 48px)}
.annot-bar{position:fixed;left:50%;bottom:22px;transform:translateX(-50%);z-index:46;padding:8px;border-radius:18px;background:rgba(255,255,255,.95);border:1px solid var(--line);box-shadow:var(--sh-3);backdrop-filter:blur(10px)}
.annot-bar select{width:auto}
.cam-overlay{position:fixed;inset:0;z-index:44;background:#000;display:grid;place-items:center}
.cam-overlay video{width:100%;height:100%;object-fit:contain}
.cam-overlay video.mirror,.mirror{transform:scaleX(-1)}
.video-stop .pick-card .eyebrow{color:var(--brand)}

/* ---------- tap-a-word popup and device settings ---------- */
.word-pop{position:fixed;z-index:42;width:290px;padding:14px 16px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--sh-3);animation:rise .15s}
.wp-word{display:flex;gap:10px;align-items:center;font-size:22px;font-weight:800;color:var(--ink)}
.wp-pic{font-size:30px}
.wp-syll{margin-top:2px;font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--brand)}
.wp-def{margin-top:8px;font-size:14px;color:var(--text)}
.wp-tr{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-top:10px;padding-top:10px;border-top:1px solid var(--line);font-size:18px;font-weight:700;color:var(--brand-600)}
.wp-tr small{width:100%;font-size:11px;font-weight:600;color:var(--muted)}
.word-pop .speak{width:36px;height:36px}
.acc-panel{position:fixed;right:16px;bottom:16px;z-index:43;width:min(380px,calc(100vw - 32px));max-height:calc(100vh - 32px);overflow:auto;padding:18px;background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--sh-3);animation:rise .18s}
.acc-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:4px}
.acc-head h2{margin:0;font-size:19px}
.acc-head button{width:34px;height:34px;border-radius:50%;padding:0;font-size:18px;box-shadow:none}
.acc-fonts{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin:12px 0}
.acc-fonts button{padding:12px 6px;font-size:14px}
.acc-fonts button.chosen{background:var(--brand);border-color:var(--brand);color:#fff}
.font-lexend{font-family:Lexend,var(--font)}
.font-atkinson{font-family:"Atkinson Hyperlegible",var(--font)}
.acc-row{display:flex;gap:12px;align-items:flex-start;padding:11px 4px;margin:0;border-top:1px solid var(--line);cursor:pointer;font-weight:500}
.acc-row input{margin-top:2px;width:20px;height:20px}
.acc-row strong{display:block;font-size:14px;color:var(--ink)}
.acc-row small{font-size:12px}
.reading-ruler{position:fixed;left:0;right:0;height:68px;z-index:35;pointer-events:none;background:rgba(255,210,74,.14);border-top:2px solid rgba(245,158,11,.55);border-bottom:2px solid rgba(245,158,11,.55);box-shadow:0 0 0 100vmax rgba(15,23,42,.18)}

/* ---------- per-device reading & accessibility settings ---------- */
body.acc-lexend .board,body.acc-lexend .word-pop{font-family:Lexend,var(--font)}
body.acc-atkinson .board,body.acc-atkinson .word-pop{font-family:"Atkinson Hyperlegible",var(--font)}
body.acc-space .board-card p,body.acc-space .board-card li,body.acc-space .board-target p,body.acc-space .check-q p,body.acc-space .vocab-main p{letter-spacing:.06em;word-spacing:.18em;line-height:1.9!important}
body.acc-contrast{--bg:#000;--paper:#0B0B0B;--ink:#FFFFFF;--text:#F8FAFC;--muted:#CBD5E1;--line:#475569;--line-2:#64748B;--soft:#1E1E1E}
body.acc-contrast .board{background:#000}
body.acc-contrast .board-top{background:rgba(0,0,0,.9)}
body.acc-contrast .board-card,body.acc-contrast .vocab-card,body.acc-contrast .check-card,body.acc-contrast .side-qr,body.acc-contrast .agenda,body.acc-contrast .org-cell,body.acc-contrast .tier,body.acc-contrast .qa-list li,body.acc-contrast .hint,body.acc-contrast .crit-row,body.acc-contrast .match-row,body.acc-contrast .flu-passage,body.acc-contrast .spot,body.acc-contrast .word-pop,body.acc-contrast .acc-panel{background:#0B0B0B!important;color:#fff;border-color:#FFD24A!important}
body.acc-contrast .board-card p,body.acc-contrast .board-card li,body.acc-contrast .line.translation p,body.acc-contrast .line.translation li,body.acc-contrast .check-q p,body.acc-contrast .vocab-main h2,body.acc-contrast .board-heading h1,body.acc-contrast .org-cell p,body.acc-contrast .org-cell h3,body.acc-contrast .board-card h2{color:#fff!important}
body.acc-contrast button,body.acc-contrast input,body.acc-contrast select,body.acc-contrast textarea{background:#111;color:#fff;border-color:#FFD24A}
body.acc-contrast .check-choices button.chosen,body.acc-contrast .primary{background:#FFD24A;color:#000;border-color:#FFD24A}
body.acc-motion *,body.acc-motion *:before,body.acc-motion *:after{animation:none!important;transition:none!important}
/* ---------- console preview (iframe): a true miniature of the classroom screen ---------- */
body.embed{background:var(--bg);overflow-x:hidden}
body.embed .board{zoom:.56;padding-bottom:20px}
body.embed .board-top{position:static}
body.embed .board-footer{border:0;margin:0;padding:0}
body.embed .board-tools,body.embed .board-network:not(.offline){display:none}
body.embed .local-overlay,body.embed .eyes-overlay,body.embed .present-overlay{zoom:.5}
body.embed .board-card{animation:none}
body.embed .waiting{padding:60px 10px}

/* ---------- classroom display window ---------- */
body.display .board-footer{opacity:.4;transition:opacity .2s}
body.display .board-footer:hover,body.display .board-footer:focus-within{opacity:1}
body.display .board-timer{min-width:190px}
body.display .board-card{box-shadow:0 1px 2px rgba(15,23,42,.04),0 20px 44px -26px rgba(15,23,42,.35)}

/* ---------- responsive: console ---------- */
@media (max-width:1320px){
  .columns{grid-template-columns:minmax(0,1fr) 360px}
  .top-lesson{max-width:320px}
  .acct-name{display:none}
}
@media (max-width:1140px){
  .columns{grid-template-columns:1fr}
  .right-column{position:static;max-height:none;overflow:visible;display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:start}
  .preview-panel{grid-column:1/-1;margin:0}
  .preview-panel iframe{height:380px}
  .top-lesson{display:none}
}
@media (max-width:900px){
  .auth{grid-template-columns:1fr;padding:24px 16px;gap:26px}
  .auth-card{justify-self:stretch;max-width:none}
  .auth-pitch h2{margin:20px 0 16px}
  .share{grid-template-columns:1fr}
  .qr{max-width:240px}
  .template-grid,.account-grid,.goal-grid,.media-grid{grid-template-columns:1fr}
  .plan-features{columns:1}
  .shell{display:block}
  .sidebar{position:static;height:auto;border-right:0;border-bottom:1px solid var(--line);padding:14px}
  .stage-list{display:flex;overflow-x:auto;gap:6px;padding-bottom:6px;scrollbar-width:thin}
  .stage{min-width:170px;margin:0;background:#fff;border-color:var(--line)}
  .sidebar-foot{display:none}
  .right-column{grid-template-columns:1fr}
  .imp-src{grid-template-columns:1fr}
  .imp-src .or{justify-self:center}
}
@media (max-width:720px){
  .topbar{height:auto;min-height:62px;padding:10px 12px;flex-wrap:wrap;gap:10px}
  .topbar .actions{flex-wrap:wrap;margin-left:0;width:100%}
  .topbar .actions>button{flex:1 1 auto;font-size:12px;padding:8px 9px}
  .sidebar{top:auto}
  .workspace{padding:14px}
  .workspace-header{flex-wrap:wrap;padding:14px 16px}
  .stage-tools{width:100%}
  .h1-input{font-size:21px}
  .pair{grid-template-columns:1fr}
  .panel{padding:16px}
  .etab-body{padding:14px}
  .add-grid,.copilot-grid,.copilot-compare,.vocab-edit-body{grid-template-columns:1fr}
  .kind-grid{grid-template-columns:repeat(2,1fr)}
  .save-bar{flex-wrap:wrap;padding:10px 12px}
  .save-bar .actions{width:100%}
  .save-bar .actions button{flex:1}
  .modal{padding:22px 18px;border-radius:20px}
  .stop-row{grid-template-columns:64px 1fr auto}
  .hint-ed{grid-template-columns:1fr}
}

/* ---------- responsive: student board ---------- */
@media (max-width:1100px){
  body:not(.embed) .with-side .board-layout{grid-template-columns:1fr}
  body:not(.embed) .board-side{position:static;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));margin-top:0}
}
@media (max-width:720px){
  body:not(.embed) .board{padding:0 14px 30px}
  body:not(.embed) .board-top{flex-wrap:wrap;gap:10px;margin:0 -14px;padding:10px 14px}
  body:not(.embed) .board-identity{flex:1 1 55%}
  body:not(.embed) .class-code{display:none}
  body:not(.embed) .widgets{order:3;flex-basis:100%;justify-content:flex-start;gap:6px}
  body:not(.embed) .widget{padding:5px 10px;font-size:13px;border-radius:12px}
  body:not(.embed) .widget small{display:none}
  body:not(.embed) .board-timer{min-width:104px;padding:6px 12px;border-radius:14px}
  body:not(.embed) .board-timer .clock{font-size:32px}
  body:not(.embed) .board-timer small{font-size:8.5px}
  body:not(.embed) .board-card{padding:20px 18px;border-radius:18px}
  body:not(.embed) .board-target{padding:18px;border-radius:18px}
  body:not(.embed) .board-target .lang-obj{padding:12px 0 0;border-left:0;border-top:1px solid rgba(255,255,255,.3)}
  body:not(.embed) .vocab-card{flex-direction:column;padding:20px;gap:10px}
  body:not(.embed) .check-form{flex-direction:column;align-items:stretch}
  body:not(.embed) .check-form .mic{align-self:flex-start}
  body:not(.embed) .tps-banner{grid-template-columns:1fr auto;padding:14px 16px}
  body:not(.embed) .tps-steps{grid-column:1/-1;font-size:12px}
  body:not(.embed) .tier-grid,body:not(.embed) .mood-grid{grid-template-columns:1fr}
  body:not(.embed) .org-row{flex-direction:column}
  body:not(.embed) .org-arrow{transform:rotate(90deg)}
  body:not(.embed) .match-row{grid-template-columns:1fr}
  body:not(.embed) .my-lang span{display:none}
  body:not(.embed) .speak{width:38px;height:38px}
  body:not(.embed) .board-tools{margin-left:0;width:100%}
  body:not(.embed) .board-tools button{flex:1 1 auto}
  .join-card{padding:34px 22px}
  .code-input{font-size:32px}
}
@media (prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
@media print{.noprint,.topbar,.sidebar,.save-bar,.board-tools,.board-footer{display:none!important}body{background:#fff}}

/* =====================================================================
   POLICY & SUPPORT PAGES
   ===================================================================== */
.legal-body{background:radial-gradient(1000px 520px at 0% -10%,#E6EEFF,transparent 60%),radial-gradient(800px 500px at 110% 0%,#FFF1E0,transparent 55%),var(--bg);min-height:100vh}
.legal-top{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;max-width:900px;margin:auto;padding:22px 18px}
.legal-top .brand{color:var(--ink);text-decoration:none}
.legal-nav{display:flex;gap:4px;flex-wrap:wrap;padding:4px;border-radius:14px;background:rgba(255,255,255,.75);border:1px solid var(--line);box-shadow:var(--sh-1)}
.legal-nav a{color:var(--text);text-decoration:none;font-size:13px;font-weight:650;padding:8px 13px;border-radius:10px}
.legal-nav a:hover{background:var(--soft)}
.legal-nav a[aria-current]{background:var(--ink);color:#fff}
.legal{max-width:900px;margin:0 auto 30px;padding:clamp(26px,4vw,48px) clamp(20px,5vw,56px);background:#fff;border:1px solid var(--line);border-radius:26px;line-height:1.75;font-size:15.5px;box-shadow:var(--sh-2)}
.legal h1{font-size:clamp(30px,4.2vw,44px);letter-spacing:-.035em;margin-bottom:14px}
.legal h2{font-size:19px;margin:34px 0 10px;padding-top:18px;border-top:1px solid var(--line);color:var(--ink)}
.legal h3{font-size:15.5px;margin:20px 0 6px}
.legal p,.legal li{color:#334155}
.legal ul,.legal ol{padding-left:22px}
.legal li{margin-bottom:7px}
.legal li::marker{color:var(--brand)}
.legal a,.legal-foot a{color:var(--brand);font-weight:600}
.legal .lead{font-size:17.5px;line-height:1.65;color:var(--ink);padding:16px 20px;border-radius:16px;background:linear-gradient(135deg,#EFF4FF,#F4EFFF);border:1px solid #D9E3FB}
.legal .checks{list-style:none;padding:0;display:grid;gap:8px}
.legal .checks li{position:relative;margin:0;padding:10px 14px 10px 46px;border-radius:12px;background:var(--green-50);border:1px solid #CDEBD8;color:#14532D}
.legal .checks li:before{content:'✓';position:absolute;left:12px;top:11px;width:22px;height:22px;border-radius:50%;background:var(--good);color:#fff;display:grid;place-items:center;font-size:12px;font-weight:800;line-height:1}
.legal table{width:100%;border-collapse:collapse;font-size:14px;margin:12px 0}
.legal th,.legal td{text-align:left;padding:9px 10px;border-bottom:1px solid var(--line);vertical-align:top}
.legal th{background:var(--soft);font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
.legal-foot{max-width:900px;margin:0 auto;padding:0 18px 44px;font-size:12.5px;color:var(--muted);text-align:center}
.legal-foot p{margin:4px 0}
@media (max-width:600px){.legal{border-radius:0;border-left:0;border-right:0;font-size:14.5px}.legal-nav{width:100%}.legal-nav a{flex:1;text-align:center}}
/* refinements after visual review */
body:not(.display):not(.embed) .side-qr{display:none}
.sidebar .menu{position:static}
.lib-actions{position:relative}
.sidebar .menu-pop{left:0;right:0;min-width:0}
.sidebar .menu-pop button{white-space:normal}
.lesson-settings>.pair label{text-transform:none;letter-spacing:0;font-size:12.5px;color:var(--text);font-weight:650}
.media-grid+.media-card,.media-card+.org-details,.media-card+details{margin-top:14px}
.tps-set label{grid-template-columns:1fr auto;align-items:center;column-gap:6px}
.tps-set label>span{grid-column:1/-1}
.tps-set label>small{font-weight:700}
body.embed .tier-grid{grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}
@media (max-width:720px){.lesson-settings>summary .help{display:none}}
.tier p,.tier li{font-size:calc(clamp(18px,1.7vw,27px) * var(--board-scale))!important}
.tier .line.translation p,.tier .line.translation li{font-size:calc(clamp(16px,1.45vw,23px) * var(--board-scale))!important}
@media (max-width:900px){.auth-card{order:-1}}
/* console organisation v2 */
html{scroll-padding-bottom:110px}
#toast{pointer-events:none}
.stage-props{display:flex;gap:10px 16px;flex-wrap:wrap;margin-top:10px}
.stage-props label{display:flex;align-items:center;gap:8px;margin:0;font-size:12.5px;color:var(--muted);font-weight:700}
.stage-props input{width:78px;padding:6px 9px}
.stage-props select{width:auto;padding-top:6px;padding-bottom:6px}
.stage-options{align-items:center;gap:10px 18px}
.stage-options>.help{font-weight:700}
.board-row>.help{min-width:78px;margin:0;font-weight:650;color:var(--muted)}
.end-panel{border-top:3px solid var(--coral)}
.lib-actions>.menu{flex:1}
.lib-actions>.menu>summary{width:100%}
.menu-pop .menu-h{border-top:1px solid var(--line);padding-top:8px}
.menu-pop .menu-h:first-child{border-top:0;padding-top:0}
.etab-body>.help:last-child{margin:12px 0 0}
.voice-row input[type=checkbox],.read-row input[type=checkbox]{flex:0 0 auto;min-width:0}
.voice-row .check{margin-right:8px}
label.check:has(#pf-auto),label.check:has(#pf-prompt){display:flex;margin:8px 0}
.modal>.panel-title #sign-out{margin-right:36px}
/* lesson plan -> lesson */
.plan-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:12px 0}
.plan-col{display:grid;gap:8px;align-content:start;padding:14px;border:1px solid var(--line);border-radius:14px;background:var(--soft)}
.plan-col h3{margin:0}
.plan-col textarea{min-height:150px;background:#fff}
.small-drop{display:grid;gap:6px;margin:0;padding:10px 12px;border-radius:12px}
.file-list:not(:empty){margin:4px 0 10px;padding:8px 12px;border-radius:10px;background:var(--green-50);color:var(--good);font-size:12.5px;font-weight:650}
.plan-cta{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin:10px 0 14px;padding:12px 14px;border-radius:12px;background:#fff;border:1px solid #D6CCFB}
.plan-cta>div{display:grid;gap:2px;flex:1;min-width:220px}
@media (max-width:720px){.plan-grid{grid-template-columns:1fr}}
.plan-col textarea#h-url{min-height:64px}
/* ===== personal layout: resizable columns, folding sidebar, movable panels ===== */
.shell,.columns{position:relative}
@media (min-width:901px){.shell{grid-template-columns:var(--side-w,268px) minmax(0,1fr)} body.side-min .shell{grid-template-columns:64px minmax(0,1fr)}}
@media (min-width:1141px){.columns{grid-template-columns:minmax(380px,1fr) var(--right-w,420px)}}
.col-split{position:absolute;top:0;bottom:0;width:12px;z-index:8;cursor:col-resize;touch-action:none}
.col-split:after{content:'';position:absolute;left:5px;top:0;bottom:0;width:2px;border-radius:2px;background:transparent;transition:background .15s}
.col-split:hover:after,.col-split:focus-visible:after,body.is-resizing .col-split:after{background:var(--brand-400)}
.col-split.side{left:calc(var(--side-w,268px) - 6px)}
.col-split.right{right:calc(var(--right-w,420px) + 4px)}
@media (max-width:1140px){.col-split.right{display:none}}
@media (max-width:900px){.col-split.side,.side-toggle{display:none}}
body.is-resizing{cursor:col-resize;user-select:none}
body.is-resizing iframe{pointer-events:none}
.side-toggle{position:absolute;top:10px;right:8px;z-index:3;width:26px;height:26px;padding:0;border-radius:8px;font-size:14px;box-shadow:none;color:var(--muted)}
.sidebar{position:sticky}
.sidebar .search-box{margin-right:30px}
body.side-min .sidebar{padding:46px 8px 16px}
body.side-min .sidebar>*:not(.stage-list):not(#side-toggle){display:none}
body.side-min .stage{justify-content:center;padding:8px 4px}
body.side-min .stage .stage-name,body.side-min .stage time{display:none}
body.side-min .stage.active:before{left:-4px}
body.side-min .side-toggle{right:19px}
.preview-panel iframe{height:var(--preview-h,230px)}
.pv-resize{height:14px;display:grid;place-items:center;cursor:row-resize;border-top:1px solid var(--line);background:var(--soft);touch-action:none}
.pv-resize span{width:44px;height:4px;border-radius:4px;background:var(--line-2)}
.pv-resize:hover span,.pv-resize:focus-visible span{background:var(--brand-400)}
body.is-resizing:has(.pv-resize:active){cursor:row-resize}
.rtab-body>section.panel{position:relative}
.pk-tools{position:absolute;top:-12px;right:12px;z-index:2;display:flex;gap:2px;padding:2px;border-radius:99px;background:#fff;border:1px solid var(--line);box-shadow:var(--sh-1);opacity:.55;transition:opacity .15s}
.rtab-body>section.panel:hover .pk-tools,.pk-tools:focus-within{opacity:1}
@media (hover:none){.pk-tools{opacity:1}}
.pk-btn,button.pk-btn{width:24px;height:22px;padding:0;border:0;border-radius:99px;box-shadow:none;background:transparent;color:var(--muted);font-size:13px;line-height:1}
.pk-btn:hover{background:var(--brand-50);color:var(--brand-700)}
.pk-drag{cursor:grab;touch-action:none}
.pk-dragging{opacity:.85;box-shadow:0 0 0 2px var(--brand-400),var(--sh-3)!important;z-index:5}
.pk-dragging .pk-drag{cursor:grabbing}
.panel.pk-collapsed{padding-top:12px;padding-bottom:12px}
.panel.pk-collapsed>*:not(.pk-tools):not(.sub-h):not(.panel-title):not(h3):not(.now-showing){display:none!important}
.panel.pk-collapsed>.sub-h,.panel.pk-collapsed>.panel-title,.panel.pk-collapsed>h3,.panel.pk-collapsed>.now-showing{margin:0}
/* tighter live controls so a whole tab fits on a laptop screen */
.rtab-body .panel{padding:14px 16px;margin-bottom:12px}
.clockbox{padding:10px 14px;margin:6px 0 8px}
.clockbox .clock{font-size:38px}
.control-row{margin-top:6px}
.nav-row button{padding:9px}
.next-prompt{padding:10px;margin:6px 0}
/* profile photo + recommend */
.avatar{overflow:hidden}
.avatar img{width:100%;height:100%;object-fit:cover;display:block}
.avatar.big{width:72px;height:72px;font-size:28px;flex:0 0 auto;box-shadow:0 0 0 3px #fff,0 0 0 5px var(--brand-100)}
.photo-row{display:flex;gap:16px;align-items:center;flex-wrap:wrap;margin:6px 0 18px;padding:14px;border-radius:16px;background:var(--soft)}
.photo-row>div:nth-child(2){flex:1;min-width:180px}
.photo-row p{margin:2px 0 6px}
.rec-cta{display:grid;gap:4px;justify-items:start;padding:12px 14px;border-radius:14px;background:linear-gradient(135deg,#FFF1F5,#FFF8DB);border:1px solid #F9C3D8;flex:1;min-width:220px}
.share-url-row{display:flex;gap:8px;margin:10px 0 4px}
.share-url-row input{font-family:var(--mono);font-size:13px}
.share-btns a.button{box-shadow:none}
#rec-text{min-height:180px;line-height:1.55}
.ref-banner{margin:0 0 12px;padding:10px 14px;border-radius:12px;background:linear-gradient(135deg,#FFF1F5,#FFF8DB);border:1px solid #F9C3D8;font-size:14px;color:var(--ink)}
.pk-tools{right:auto;left:50%;transform:translateX(-50%)}

/* ---- My lesson structure (personal stages) ---- */
.ms-rows{display:flex;flex-direction:column;gap:6px;margin-top:14px;max-height:52vh;overflow:auto;padding:2px}
.ms-head,.ms-row{display:grid;grid-template-columns:26px minmax(140px,2fr) minmax(110px,1.3fr) 78px 138px 104px;gap:8px;align-items:center}
.ms-head{font-size:11.5px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--muted);padding:0 4px}
.ms-row{background:var(--soft);border:1px solid var(--line);border-radius:var(--r);padding:6px}
.ms-row input,.ms-row select{margin:0;min-width:0}
.ms-n{display:grid;place-items:center;width:24px;height:24px;border-radius:50%;background:var(--brand-50);color:var(--brand-700);font-weight:800;font-size:12px}
.ms-tools{display:flex;gap:4px;justify-content:flex-end}
.icon-btn{min-width:30px;height:30px;padding:0 6px;border-radius:var(--r-sm);font-size:14px;line-height:1}
.ms-bar{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:12px}
.ms-total{margin-left:auto;font-weight:700;color:var(--ink)}
.grow{flex:1}
.danger-link{background:none;border:0;color:var(--bad);padding:6px 4px;text-decoration:underline;box-shadow:none}
.template.mine{grid-column:1/-1;border-color:var(--sun);background:var(--sun-50)}
.template.mine:hover{border-color:var(--amber);background:var(--sun-50)}
.template .tag{margin-left:6px}
.my-structure-row{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:12px}
@media (max-width:760px){
  .ms-head{display:none}
  .ms-row{grid-template-columns:26px 1fr 1fr;grid-template-areas:"n name name" "n sub sub" "n min kind" "n tools tools"}
  .ms-n{grid-area:n;align-self:start}.ms-name{grid-area:name}.ms-sub{grid-area:sub}.ms-min{grid-area:min}.ms-kind{grid-area:kind}.ms-tools{grid-area:tools}
}
.template-grid.mine-top{margin:4px 0 14px}

/* ---- /subscription: plans + embedded Stripe checkout ---- */
.sub-page{min-height:100vh;background:radial-gradient(1200px 500px at 10% -10%,var(--brand-50),transparent 60%),radial-gradient(900px 420px at 110% 0%,var(--sun-50),transparent 60%),var(--bg);padding:0 20px 28px}
.sub-top{display:flex;align-items:center;gap:12px;max-width:1180px;margin:0 auto;padding:16px 0}
.sub-top .brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;color:var(--ink);text-decoration:none}
.sub-who{color:var(--muted);font-size:13px;max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.sub-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(360px,.95fr);grid-template-areas:"intro pay" "more pay";column-gap:36px;row-gap:8px;max-width:1180px;margin:8px auto 0;align-items:start}
.sub-intro{grid-area:intro}.sub-more{grid-area:more}.sub-right{grid-area:pay}
.sub-h2{font-size:18px;margin:4px 0 12px}
.sub-intro h1{font-size:clamp(28px,3.4vw,40px);margin:6px 0 10px}
.sub-trial{background:var(--green-50);border:1px solid #BBE5C8;color:#14532D;border-radius:var(--r);padding:12px 14px;margin:0 0 18px;line-height:1.5}
.sub-trial.expired{background:var(--sun-50);border-color:#F5DE8A;color:#713F12}
.sub-plans{border:0;padding:0;margin:0 0 22px;display:grid;grid-template-columns:1fr 1fr;gap:12px}
.sub-plan{position:relative;display:flex;flex-direction:column;gap:6px;padding:16px 18px;border:2px solid var(--line);border-radius:var(--r-lg);background:var(--paper);cursor:pointer;transition:border-color .15s,box-shadow .15s,transform .15s}
.sub-plan:hover{border-color:var(--brand-400)}
.sub-plan.on{border-color:var(--brand);box-shadow:0 10px 28px -14px rgba(29,78,216,.55),var(--ring)}
.sub-plan input{position:absolute;opacity:0;pointer-events:none}
.sub-plan input:focus-visible+.sub-plan-top .sub-radio{outline:3px solid var(--brand-400);outline-offset:2px}
.sub-plan-top{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.sub-plan-top strong{font-size:15px;color:var(--ink)}
.sub-radio{width:18px;height:18px;border-radius:50%;border:2px solid var(--line-2);display:inline-grid;place-items:center;flex:none}
.sub-plan.on .sub-radio{border-color:var(--brand)}
.sub-plan.on .sub-radio::after{content:"";width:9px;height:9px;border-radius:50%;background:var(--brand)}
.sub-price{font-size:30px;font-weight:800;letter-spacing:-.02em;color:var(--ink)}
.sub-price small{font-size:14px;font-weight:600;color:var(--muted);margin-left:2px}
.sub-plan-note{font-size:12.5px;color:var(--muted)}
.sub-features{list-style:none;padding:0;margin:0 0 18px;display:grid;grid-template-columns:1fr 1fr;gap:12px 18px}
.sub-features li{display:flex;gap:10px;align-items:flex-start}
.sub-features strong{display:block;color:var(--ink);font-size:14px}
.sub-features small{display:block;color:var(--muted);font-size:12.5px;line-height:1.45}
.sub-ico{width:34px;height:34px;border-radius:10px;background:var(--brand-50);display:grid;place-items:center;flex:none;font-size:17px}
.sub-trust{display:flex;flex-wrap:wrap;gap:8px 16px;font-size:13px;font-weight:600;color:var(--text);padding:12px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-bottom:18px}
.sub-faq h2{font-size:18px;margin:0 0 8px}
.sub-faq details{border-bottom:1px solid var(--line);padding:10px 0}
.sub-faq summary{cursor:pointer;font-weight:650;color:var(--ink);list-style-position:outside}
.sub-faq details p{margin:8px 0 2px;color:var(--text);line-height:1.55}
.sub-right{position:sticky;top:16px}
.sub-pay{padding:18px;border-radius:var(--r-xl);box-shadow:var(--sh-2)}
.sub-pay-head{display:flex;justify-content:space-between;align-items:baseline;gap:10px;font-size:16px}
.sub-pay-head strong{color:var(--ink)}
.sub-pay-head span{font-weight:800;color:var(--ink)}
.sub-pay>.help{margin:4px 0 12px}
.sub-checkout{min-height:420px;border-radius:var(--r-lg);overflow:hidden}
.sub-code{font-size:12px;color:var(--muted);text-align:center;margin:10px 0 0}
.sub-skel{display:flex;flex-direction:column;gap:10px;padding:6px 0 12px}
.sub-skel i{display:block;height:42px;border-radius:10px;background:linear-gradient(90deg,var(--soft),#E9EEF5,var(--soft));background-size:200% 100%;animation:subShimmer 1.2s linear infinite}
.sub-skel i.tall{height:120px}
@keyframes subShimmer{to{background-position:-200% 0}}
.sub-done{max-width:560px;margin:10vh auto 0;text-align:center;padding:36px 28px;border-radius:var(--r-xl);box-shadow:var(--sh-2)}
.sub-done h1{font-size:28px;margin:10px 0 8px}
.sub-done-ico{width:64px;height:64px;margin:0 auto;border-radius:50%;background:var(--green-50);color:var(--green);display:grid;place-items:center;font-size:34px;font-weight:800}
.sub-done-actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:18px}
.spinner{width:44px;height:44px;margin:0 auto;border-radius:50%;border:4px solid var(--brand-100);border-top-color:var(--brand);animation:spin 0.9s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.sub-foot{max-width:1180px;margin:28px auto 0;color:var(--muted);font-size:12.5px;text-align:center}
.sub-foot a{color:var(--muted)}
@media (max-width:920px){
  .sub-grid{grid-template-columns:1fr;grid-template-areas:"intro" "pay" "more";row-gap:18px}
  .sub-right{position:static}
}
@media (max-width:560px){
  .sub-page{padding:0 12px 20px}
  .sub-plans,.sub-features{grid-template-columns:1fr}
  .sub-who{display:none}
  .sub-top .button{padding:8px 10px;font-size:13px}
}
@media (prefers-reduced-motion:reduce){.sub-skel i,.spinner{animation:none}}

/* ---- lesson library: class tabs + ready/draft status ---- */
.class-tabs{display:flex;flex-wrap:wrap;gap:6px;margin:4px 0 8px}
.class-tabs button{padding:5px 10px;min-height:0;border-radius:99px;font-size:12.5px;font-weight:700;background:var(--paper);border:1px solid var(--line);color:var(--text);box-shadow:none}
.class-tabs button span{font-weight:600;color:var(--muted);margin-left:2px}
.class-tabs button.on{background:var(--brand);border-color:var(--brand);color:#fff}
.class-tabs button.on span{color:rgba(255,255,255,.8)}
.lesson-status{display:flex;width:100%;justify-content:flex-start;margin:6px 0 2px;padding:6px 10px;min-height:0;border-radius:var(--r-sm);font-size:12.5px;font-weight:700;box-shadow:none}
.lesson-status.ready{background:var(--green-50);border:1px solid #BBE5C8;color:#166534}
.lesson-status.draft{background:var(--sun-50);border:1px solid #F5DE8A;color:#854D0E}
.class-tip{font-size:12px;margin:6px 0 0}
/* ---- classroom screen look (Run tab) ---- */
.room-row{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin-top:8px}
.room-row button{padding:6px 10px;min-height:0;font-size:12.5px}
.room-row button.on{background:var(--ink);border-color:var(--ink);color:#fff}
/* Bright room: maximum contrast for sunny classrooms */
body.room-bright{--bg:#FFFFFF;--paper:#FFFFFF;--ink:#000000;--text:#000000;--muted:#1F2937;--line:#94A3B8;--line-2:#64748B}
body.room-bright .board{background:#FFFFFF}
body.room-bright .board-top{background:#FFFFFF}
body.room-bright .board-card{border:2px solid #334155;box-shadow:none}
body.room-bright .board-card p,body.room-bright .board-card li,body.room-bright .board-heading h1{color:#000;font-weight:600}
body.room-bright .line.translation p,body.room-bright .line.translation li,body.room-bright .translation,body.room-bright .board-heading h1 .sub{color:#1F2937!important}
body.room-bright .board-card h2{color:#000}
body.acc-contrast .present-card{background:#0B0B0B;color:#fff;border:1px solid #475569}
body.acc-contrast .present-card h2{color:#fff}
body.acc-contrast .present-card .help{color:#CBD5E1}