:root {
  color-scheme: light;
  --bg:#fbfaf7;
  --panel:#fffefa;
  --ink:#272231;
  --muted:#746d7c;
  --line:#e7deea;
  --line-strong:#d9cee0;

  --accent:#6656f2;
  --accent-strong:#5041d8;
  --accent-bright:#9c84ff;
  --accent-soft:#eeeaff;
  --blue:#5f7cff;
  --blue-soft:#edf1ff;
  --rose:#e879a8;
  --rose-soft:#fdeaf3;

  /* Couleurs sémantiques : ne pas utiliser comme décoration. */
  --success:#198462;
  --success-bright:#34bf8e;
  --success-soft:#e8fff6;
  --attention:#e58a2b;
  --attention-strong:#9a591f;
  --attention-soft:#fff2df;
  --important:#a73e49;
  --important-soft:#fdebed;
  --danger:#8c3041;
  --danger-soft:#fdebed;

  --shadow:0 16px 42px rgba(48,38,65,.08);
}
*{box-sizing:border-box}
body{margin:0;background:radial-gradient(circle at 6% 3%,rgba(156,132,255,.08),transparent 26rem),radial-gradient(circle at 96% 8%,rgba(95,124,255,.08),transparent 30rem),linear-gradient(180deg,#fbfaf7 0,#f7f4ff 100%);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
button,input,select,textarea{font:inherit}
.shell{width:min(1120px,calc(100% - 28px));margin:0 auto;padding:26px 0 60px}
.topbar,.section-head,.hero,.row,.session-row,.user-row{display:flex;gap:14px;align-items:center;justify-content:space-between}
.topbar{margin-bottom:22px}.topbar h1{margin:.15rem 0;font-size:clamp(2rem,5vw,3.4rem)}
.eyebrow{text-transform:uppercase;letter-spacing:.14em;font-size:.72rem;font-weight:900;color:var(--accent);margin:0 0 6px}
h2,h3{margin:.15rem 0 .4rem}.muted{color:var(--muted);line-height:1.55}.status{color:var(--muted);min-height:1.3em}
.panel{background:rgba(255,253,249,.94);border:1px solid var(--line);border-radius:22px;padding:22px;box-shadow:var(--shadow)}
.panel.flat{box-shadow:none}.stack{display:grid;gap:18px}.login-panel{max-width:680px;margin:8vh auto}.login-panel .row{justify-content:flex-start}
.input{width:100%;min-height:46px;border:1px solid var(--line-strong);border-radius:13px;background:#fff;padding:.72rem .84rem;color:var(--ink)}
.btn{border:1px solid transparent;border-radius:13px;min-height:44px;padding:.68rem 1rem;font-weight:850;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center}
.btn.primary{background:var(--accent);color:white}.btn.secondary{background:var(--accent-soft);color:var(--accent-strong);border-color:#d8cef0}.btn.ghost{background:transparent;color:var(--muted);border-color:var(--line)}.btn:disabled{opacity:.45;cursor:not-allowed}
.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:16px}.card-button,.action-card{width:100%;text-align:left;border:1px solid var(--line);border-radius:18px;background:#fff;padding:18px;cursor:pointer;color:var(--ink)}
.card-button:hover,.action-card:not(:disabled):hover{border-color:#bfb2dc;background:var(--accent-soft)}.card-button strong,.action-card strong{display:block;font-size:1.05rem}.card-button span,.action-card span{display:block;color:var(--muted);font-size:.86rem;line-height:1.45;margin-top:7px}.card-button.selected{border-color:#b9a8df;background:var(--accent-soft)}
.action-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px;margin-top:18px}.action-card{position:relative;min-height:154px;display:flex;flex-direction:column;align-items:flex-start;transition:transform .16s ease,box-shadow .16s ease,border-color .16s ease,background .16s ease}.action-card:not(:disabled):hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(54,39,83,.09)}.action-card:focus-visible{outline:3px solid rgba(102,86,242,.18);outline-offset:2px}.action-card:disabled{cursor:not-allowed;opacity:.58}.action-card .action-description{flex:1}.action-card .action-status{display:inline-flex!important;width:auto;margin-top:14px;padding:4px 8px;border-radius:999px;background:var(--accent-soft);color:var(--accent-strong);font-size:.68rem;font-weight:850;letter-spacing:.01em}.action-card .action-status.upcoming{background:#f0edf5;color:#756985}
@media (max-width:1100px){.action-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}@media (max-width:720px){.action-grid{grid-template-columns:1fr}}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:18px;padding-top:18px;border-top:1px solid var(--line)}.form-grid label{display:grid;gap:6px;font-size:.84rem;font-weight:800;color:var(--muted)}.form-grid .wide{grid-column:1/-1}.form-grid.compact{padding-top:0;border-top:0}.form-grid small{font-weight:600}
.session-list,.user-list{display:grid;gap:10px;margin-top:14px}.session-row,.user-row{padding:14px 16px;border:1px solid var(--line);border-radius:16px;background:#fff}.session-row .meta,.user-row .meta{min-width:0}.session-row small,.user-row small{display:block;color:var(--muted);margin-top:4px}.session-actions,.user-actions{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}.pill{display:inline-flex;padding:4px 9px;border-radius:999px;background:#eee9f7;color:#64547e;font-size:.72rem;font-weight:800}
.dialog{width:min(820px,calc(100% - 28px));border:1px solid var(--line);border-radius:22px;padding:20px;background:var(--panel);box-shadow:0 28px 80px rgba(30,23,40,.22)}.dialog::backdrop{background:rgba(27,22,34,.38)}.dialog-head{display:flex;justify-content:space-between;align-items:start;margin-bottom:14px}.token-box{margin-top:14px;padding:14px;border-radius:14px;background:var(--attention-soft);border:1px solid rgba(229,138,43,.38);overflow-wrap:anywhere}.token-box code{font-size:.9rem}.danger{color:var(--danger)!important}.success{color:var(--success)!important}.hidden{display:none!important}

.learner-panel{max-width:860px;margin:3vh auto;padding:clamp(18px,4vw,34px)}
.student-workspace{margin-top:22px}
.learner-stage{display:grid;gap:18px;max-width:720px;margin:0 auto}
.learner-stage h3{font-size:clamp(1.55rem,5vw,2.4rem)}
.learner-prompt{font-size:clamp(1.25rem,4vw,1.8rem);font-weight:900;margin:0}
.learner-help{color:var(--muted);font-size:.92rem;line-height:1.5;margin:0}
.audio-btn{min-height:58px;font-size:1.05rem;justify-self:start}
.audio-btn.compact-audio{min-height:44px;font-size:.9rem}
.roster-choice-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.learner-choice-card{display:grid;gap:12px;border:1px solid var(--line);border-radius:18px;background:#fff;padding:16px}
.learner-choice-name{font-size:clamp(1.2rem,4vw,1.65rem);overflow-wrap:anywhere}
.learner-choice-actions{display:flex;gap:8px;flex-wrap:wrap}
.choice-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.choice-button{min-height:92px;border:2px solid var(--line);border-radius:18px;background:#fff;color:var(--ink);font-size:clamp(1.35rem,5vw,2rem);font-weight:900;cursor:pointer;padding:16px;overflow-wrap:anywhere}
.choice-button:hover,.choice-button:focus-visible{border-color:#a995d5;background:var(--accent-soft);outline:none}
.choice-button.good{border-color:rgba(52,191,142,.48);background:var(--success-soft)}.choice-button.bad{border-color:rgba(229,138,43,.52);background:var(--attention-soft)}
.visual-choice-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.visual-choice-button{min-height:132px;border:2px solid var(--line);border-radius:20px;background:#fff;font-size:clamp(3.2rem,13vw,5.4rem);line-height:1;cursor:pointer;padding:18px}
.visual-choice-button:hover,.visual-choice-button:focus-visible{border-color:#a995d5;background:var(--accent-soft);outline:none}
.visual-choice-button.good{border-color:rgba(52,191,142,.48);background:var(--success-soft)}.visual-choice-button.bad{border-color:rgba(229,138,43,.52);background:var(--attention-soft)}
.visual-choice-button:disabled{cursor:default;opacity:.78}
.feedback{min-height:1.6em;font-weight:850;font-size:1.05rem}
.feedback.good{color:var(--success)}.feedback.bad{color:var(--attention-strong)}
.finish-card{padding:20px;border:1px solid rgba(52,191,142,.32);border-radius:18px;background:var(--success-soft)}

.roster-editor{display:grid;gap:10px;padding:16px;border:1px solid var(--line);border-radius:16px;background:#fff}
.roster-editor h3{margin-bottom:.2rem}.roster-editor p{margin:.1rem 0}
.roster-input{min-height:126px;resize:vertical;line-height:1.45}
.roster-actions{justify-content:flex-start}
.roster-manage{margin-top:4px;padding-top:10px;border-top:1px solid var(--line)}
.roster-manage summary{cursor:pointer;color:var(--accent-strong);font-weight:850;font-size:.84rem}
.roster-manage-list{display:grid;gap:8px;margin-top:10px}
.roster-manage-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px;align-items:center;padding:10px 12px;border:1px solid var(--line);border-radius:13px;background:#fbfaff}
.roster-manage-row small{display:block;margin-top:2px;color:var(--muted)}
.roster-manage-actions{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}
.compact-dialog{width:min(620px,calc(100% - 28px))}
.report-dialog{width:min(1040px,calc(100% - 28px))}
.report-session-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:12px}
.report-session-card{display:grid;gap:11px;padding:15px;border:1px solid var(--line);border-radius:16px;background:#fff}
.report-session-head{display:flex;justify-content:space-between;gap:10px;align-items:start}
.report-session-head small{display:block;color:var(--muted);margin-top:3px}
.report-metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin:14px 0}
.report-metric{padding:10px 11px;border:1px solid var(--line);border-radius:12px;background:#fff}
.report-metric span{display:block;color:var(--muted);font-size:.7rem;font-weight:750}
.report-metric strong{display:block;margin-top:3px;color:var(--accent-strong);font-size:1.15rem}
.report-detail{margin-top:18px;padding-top:18px;border-top:1px solid var(--line)}
.report-item-summary{display:grid;gap:8px;margin:12px 0}
.report-item-row{display:grid;grid-template-columns:minmax(150px,1fr) repeat(3,auto);gap:10px;align-items:center;padding:10px 12px;border:1px solid var(--line);border-radius:13px;background:#fff}
.report-item-row span{color:var(--muted);font-size:.8rem}
.report-table-wrap{overflow:auto;border:1px solid var(--line);border-radius:14px;background:#fff}
.report-table{width:100%;border-collapse:collapse;min-width:760px}
.report-table th,.report-table td{padding:10px 11px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.report-table th{background:#f8f6ff;color:var(--accent-strong);font-size:.76rem}
.report-table tr:last-child td{border-bottom:0}
.report-comparison-table{width:100%;border-collapse:collapse;min-width:680px}
.report-comparison-wrap{overflow:auto;border:1px solid var(--line);border-radius:14px;background:#fff;margin-top:10px}
.report-comparison-table th,.report-comparison-table td{padding:10px 11px;border-bottom:1px solid var(--line);text-align:left}
.report-comparison-table th{background:#f8f6ff;color:var(--accent-strong);font-size:.76rem}
.report-comparison-table tr:last-child td{border-bottom:0}
.live-divider{height:1px;background:var(--line);margin:18px 0}
.live-list{display:grid;gap:10px;margin-top:14px}.live-row{display:grid;grid-template-columns:minmax(150px,1fr) auto;gap:12px;align-items:center;padding:14px 16px;border:1px solid var(--line);border-radius:16px;background:#fff}.live-row small{display:block;color:var(--muted);margin-top:4px}.progress-badge{font-weight:850;color:var(--accent-strong);white-space:nowrap}.progress-badge.waiting{color:var(--muted);font-weight:750}

@media(max-width:850px){.grid,.action-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:620px){.shell{width:min(100% - 18px,1120px);padding-top:14px}.topbar,.section-head,.hero,.row,.session-row,.user-row{align-items:stretch;flex-direction:column}.grid,.action-grid,.form-grid,.choice-grid,.roster-choice-grid,.visual-choice-grid{grid-template-columns:1fr}.form-grid .wide{grid-column:auto}.session-actions,.user-actions{justify-content:flex-start}.panel{padding:17px;border-radius:18px}.live-row{grid-template-columns:1fr}.progress-badge{white-space:normal}}


/* Teacher dashboard — compact visual hierarchy */
.teacher-dashboard{gap:14px}
.teacher-dashboard .panel{padding:18px 20px}
.teacher-hero{min-height:0}
.teacher-hero h2{font-size:clamp(1.35rem,2.4vw,1.7rem)}
.teacher-hero .muted{margin:.3rem 0 0}
.selector-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,430px),1fr));gap:14px;align-items:start}
.selector-panel{height:100%}
.selector-panel .section-head{align-items:flex-start}
.selector-panel .section-head h3{font-size:1.08rem}
.selector-panel .grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:12px}
.teacher-dashboard .card-button{position:relative;min-height:86px;padding:14px 16px;border-radius:16px;transition:border-color .16s ease,background .16s ease,transform .16s ease,box-shadow .16s ease}
.teacher-dashboard .card-button:hover{transform:translateY(-1px)}
.teacher-dashboard .card-button.selected{border-color:var(--accent);background:#f4f0ff;box-shadow:0 0 0 1px rgba(101,80,164,.08),0 8px 22px rgba(72,52,118,.08)}
.teacher-dashboard .card-button.selected::after{content:"✓";position:absolute;top:10px;right:11px;width:23px;height:23px;display:grid;place-items:center;border-radius:999px;background:var(--accent);color:#fff;font-size:.75rem;font-weight:900}
.teacher-dashboard .card-button strong{padding-right:28px}
#subject-workspace .section-head{align-items:flex-start}
#workspace-description{margin:.3rem 0 0}
.action-grid{gap:12px;margin-top:16px}
.action-card{position:relative;min-height:112px;padding:16px 38px 16px 54px;transition:border-color .16s ease,background .16s ease,transform .16s ease,box-shadow .16s ease}
.action-card::before{content:attr(data-icon);position:absolute;left:15px;top:15px;width:27px;height:27px;display:grid;place-items:center;border-radius:9px;background:var(--accent-soft);color:var(--accent-strong);font-size:1rem;font-weight:900}
.action-card:not(:disabled)::after{content:"›";position:absolute;right:15px;top:14px;color:var(--accent);font-size:1.35rem;font-weight:900}
.action-card:not(:disabled):hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(72,52,118,.08)}
.action-card:disabled{background:#faf8f5;opacity:.52}
.recent-sessions-panel.is-empty{padding-top:16px;padding-bottom:16px}
.recent-sessions-panel.is-empty .session-list{margin-top:8px}
.empty-sessions{display:flex;align-items:center;gap:11px;color:var(--muted);padding:2px 0}
.empty-sessions strong{display:block;color:var(--ink);font-size:.9rem}
.empty-sessions span:not(.empty-sessions-icon){display:block;margin-top:2px;font-size:.83rem}
.empty-sessions-icon{width:30px;height:30px;display:grid;place-items:center;border:1px dashed #c7bddc;border-radius:10px;color:var(--accent);font-weight:900}
.teacher-dashboard .btn:focus-visible,.teacher-dashboard .card-button:focus-visible,.teacher-dashboard .action-card:focus-visible{outline:3px solid rgba(101,80,164,.2);outline-offset:2px}
@media (max-width:900px){.action-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:620px){.teacher-dashboard .panel{padding:16px}.selector-panel .grid,.action-grid{grid-template-columns:1fr}.teacher-hero{align-items:flex-start}.teacher-hero .btn{white-space:nowrap}.action-card{min-height:96px}}

/* Slightly stronger interaction feedback without losing the quiet dashboard tone. */
.teacher-dashboard .card-button:hover,
.teacher-dashboard .card-button:focus-visible{
  border-color:rgba(102,86,242,.58);
  background:linear-gradient(145deg,#fff,#f5f1ff);
  box-shadow:0 10px 26px rgba(75,53,127,.10);
  transform:translateY(-2px);
}
.teacher-dashboard .card-button.selected{
  background:linear-gradient(145deg,#f4f0ff,#edf1ff);
  box-shadow:0 0 0 1px rgba(102,86,242,.12),0 10px 26px rgba(75,53,127,.10);
}
.teacher-dashboard .action-card:not(:disabled):hover,
.teacher-dashboard .action-card:not(:disabled):focus-visible{
  border-color:rgba(102,86,242,.52);
  background:linear-gradient(145deg,#fff,#f7f4ff);
  box-shadow:0 12px 28px rgba(75,53,127,.11);
  transform:translateY(-3px);
}
.teacher-dashboard .btn{transition:transform .16s ease,box-shadow .16s ease,border-color .16s ease,background .16s ease}
.teacher-dashboard .btn:not(:disabled):hover{transform:translateY(-1px);box-shadow:0 7px 18px rgba(75,53,127,.09)}

@media(max-width:720px){.report-session-grid,.report-metrics{grid-template-columns:1fr}.roster-manage-row,.report-item-row{grid-template-columns:1fr}.roster-manage-actions{justify-content:flex-start}}


/* ADA Français V2 — teacher preview + independent literacy probes */
.preview-banner{display:flex;justify-content:space-between;align-items:center;gap:14px;margin:-8px 0 20px;padding:12px 14px;border:1px solid #d8ceec;border-radius:15px;background:linear-gradient(135deg,#f7f1ff,#edf1ff)}
.preview-banner div{display:grid;gap:2px}.preview-banner strong{color:var(--accent-strong)}.preview-banner span{color:var(--muted);font-size:.82rem}
.visual-model-card{display:grid;gap:8px;justify-items:center;padding:18px;border:1px solid var(--line);border-radius:18px;background:#fbfaff}
.visual-model-card small{color:var(--muted);font-weight:750}.visual-model-word{font-size:clamp(2.4rem,10vw,4.8rem);font-weight:950;letter-spacing:.08em;color:var(--ink)}
.word-choice-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.word-choice-button{min-height:84px;border:2px solid var(--line);border-radius:18px;background:#fff;color:var(--ink);font:inherit;font-size:clamp(1.2rem,4vw,1.65rem);font-weight:900;letter-spacing:.04em;cursor:pointer;padding:14px}
.word-choice-button:hover,.word-choice-button:focus-visible{border-color:#a995d5;background:var(--accent-soft);outline:none}
.word-choice-button.good{border-color:rgba(52,191,142,.48);background:var(--success-soft)}.word-choice-button.bad{border-color:rgba(229,138,43,.52);background:var(--attention-soft)}
.sound-letter-cue{display:grid;gap:8px;padding:16px;border:1px solid #d7defe;border-radius:16px;background:var(--blue-soft)}
.sound-letter-cue strong{font-size:1.2rem}.sound-letter-cue span{color:var(--muted);line-height:1.45}
.writing-card{display:grid;gap:12px;padding:16px;border:1px solid var(--line);border-radius:18px;background:#fff}
.writing-canvas-wrap{position:relative;width:min(100%,520px);aspect-ratio:16/9;border:2px dashed #cfc3e5;border-radius:18px;overflow:hidden;background:#fcfbff;touch-action:none}
.writing-guide{position:absolute;inset:0;display:grid;place-items:center;color:rgba(102,86,242,.12);font-size:clamp(7rem,30vw,13rem);font-weight:950;pointer-events:none;user-select:none}
.writing-canvas{position:absolute;inset:0;width:100%;height:100%;touch-action:none;cursor:crosshair}
.writing-actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.writing-hint{color:var(--muted);font-size:.84rem;line-height:1.45}
.report-table{min-width:1180px}
@media(max-width:620px){.preview-banner{align-items:stretch;flex-direction:column}.word-choice-grid{grid-template-columns:1fr}.writing-canvas-wrap{aspect-ratio:4/3}}