:root {
  --bg: #f3f6fb;
  --surface: #ffffff;
  --surface-2: #eef2f8;
  --text: #1c2738;
  --muted: #5b6b82;
  --border: #d7dfeb;
  --primary: #2563eb;
  --primary-ink: #ffffff;
  --accent: #f59e0b;
  --ok: #16a34a;
  --bad: #dc2626;
  --warn: #d97706;
  --board: #1f4d3a;
  --board-ink: #f1f8f2;
  --board-frame: #8a5a2b;
  --desk: #e9d3b0;
  --desk-edge: #c9a676;
  --shadow: 0 2px 10px rgba(20, 40, 80, .08);
  --radius: 14px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0f1623; --surface: #182234; --surface-2: #213049; --text: #e6edf7; --muted: #9fb0c8;
    --border: #2d3d58; --primary: #4f8bff; --board: #173d2e; --desk: #5b4630; --desk-edge: #7a5f40;
    --shadow: 0 2px 12px rgba(0,0,0,.35); color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0f1623; --surface: #182234; --surface-2: #213049; --text: #e6edf7; --muted: #9fb0c8;
  --border: #2d3d58; --primary: #4f8bff; --board: #173d2e; --desk: #5b4630; --desk-edge: #7a5f40;
  --shadow: 0 2px 12px rgba(0,0,0,.35); color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font-family: 'Nunito', system-ui, -apple-system, 'Segoe UI', sans-serif;
  background: var(--bg); color: var(--text); line-height: 1.45;
  -webkit-tap-highlight-color: transparent;
}
[hidden] { display: none !important; }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .6rem; }
h1 { font-size: clamp(1.4rem, 3.5vw, 2.1rem); }
h2 { font-size: 1.15rem; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }

/* ---------- barra superior ---------- */
.topbar {
  position: sticky; top: 0; z-index: 30;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 10px 16px; background: #1e3a5f; color: #fff;
  padding-top: max(10px, env(safe-area-inset-top));
}
.brand { display: flex; align-items: center; gap: 10px; min-width: 0; }
.brand-logo { font-size: 1.8rem; }
.brand-name { font-weight: 800; font-size: 1.1rem; }
.brand-sub { font-size: .78rem; opacity: .8; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 60vw; }
.topbar-actions { display: flex; gap: 6px; }
.icon-btn { background: rgba(255,255,255,.12); border: 0; color: #fff; font-size: 1.15rem; width: 40px; height: 40px; border-radius: 10px; cursor: pointer; }
.icon-btn:hover { background: rgba(255,255,255,.22); }

main { max-width: 1400px; margin: 0 auto; padding: 16px; }

/* ---------- botones ---------- */
.btn {
  font: inherit; font-weight: 700; border: 1px solid var(--border); background: var(--surface);
  color: var(--text); padding: 10px 16px; border-radius: 10px; cursor: pointer;
  transition: transform .08s, background .15s;
}
.btn:hover { background: var(--surface-2); }
.btn:active { transform: scale(.97); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-primary { background: var(--primary); color: var(--primary-ink); border-color: var(--primary); }
.btn-primary:hover { background: var(--primary); filter: brightness(1.08); }
.btn-ghost { background: transparent; }
.btn-danger { background: var(--bad); color: #fff; border-color: var(--bad); }
.btn-danger:hover { background: var(--bad); filter: brightness(1.1); }
.btn-ar { background: linear-gradient(135deg, #7c3aed, #2563eb); color: #fff; border: 0; }
.btn-lg { padding: 14px 22px; font-size: 1.05rem; }
.btn-sm { padding: 7px 11px; font-size: .88rem; }

.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow); }

/* ---------- inicio ---------- */
.hero { display: grid; grid-template-columns: 1.2fr 1fr; gap: 24px; align-items: center; min-height: calc(100vh - 120px); }
.hero-text p { color: var(--muted); font-size: 1.05rem; }
.hero-feats { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.hero-feats li { background: var(--surface); border: 1px solid var(--border); padding: 6px 12px; border-radius: 999px; font-weight: 700; font-size: .9rem; }
.form-card { display: flex; flex-direction: column; gap: 12px; }
.form-card label { display: flex; flex-direction: column; gap: 4px; font-weight: 700; font-size: .92rem; }
.form-card input:not([type=checkbox]), .form-card select {
  font: inherit; padding: 10px 12px; border-radius: 10px; border: 1px solid var(--border); background: var(--surface-2); color: var(--text);
}
.form-card label.check { flex-direction: row; align-items: center; gap: 8px; font-weight: 600; }
.form-card label.check input { width: 18px; height: 18px; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

/* ---------- configuración ---------- */
.setup-head { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.setup-head h1 { margin: 0; }
.setup-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.span2 { grid-column: span 2; }
.step { display: inline-grid; place-items: center; width: 26px; height: 26px; border-radius: 50%; background: var(--primary); color: #fff; font-size: .85rem; margin-right: 6px; }
.choice-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.choice {
  display: flex; align-items: center; gap: 10px; text-align: left; padding: 12px; border-radius: 12px;
  border: 2px solid var(--border); background: var(--surface-2); color: var(--text); font: inherit; cursor: pointer;
}
.choice .em { font-size: 1.7rem; }
.choice small { display: block; color: var(--muted); font-weight: 600; }
.choice b { display: block; }
.choice[aria-pressed="true"] { border-color: var(--primary); background: color-mix(in srgb, var(--primary) 12%, var(--surface)); }
.topic-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 10px; }
.topic-list .choice { flex-direction: column; align-items: flex-start; }
.roster-preview { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
.mini-student { background: var(--surface-2); border-radius: 12px; padding: 10px; text-align: center; border: 1px solid var(--border); }
.mini-student .av { font-size: 2rem; }
.mini-student .tag { font-size: .75rem; font-weight: 700; color: var(--muted); }
.mini-student .tag.nee { color: #7c3aed; }
.setup-foot { display: flex; justify-content: flex-end; margin-top: 16px; position: sticky; bottom: 12px; z-index: 5; }

/* ---------- aula ---------- */
.class-bar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 12px; }
.class-info { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.pill { background: var(--primary); color: #fff; padding: 4px 10px; border-radius: 999px; font-weight: 800; font-size: .82rem; }
.pill-soft { background: var(--surface-2); color: var(--text); border: 1px solid var(--border); }
.phases { display: flex; gap: 4px; background: var(--surface); padding: 4px; border-radius: 999px; border: 1px solid var(--border); }
.phases span { padding: 4px 10px; border-radius: 999px; font-size: .8rem; font-weight: 700; color: var(--muted); white-space: nowrap; }
.phases span.on { background: var(--accent); color: #1c1300; }
.phases span.done { color: var(--ok); }
.class-tools { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.clock { font-weight: 800; background: var(--surface); border: 1px solid var(--border); padding: 6px 10px; border-radius: 10px; font-variant-numeric: tabular-nums; }
.clock.late { color: var(--bad); border-color: var(--bad); }

.class-layout { display: grid; grid-template-columns: 1fr 380px; gap: 16px; align-items: start; }
.stage { display: flex; flex-direction: column; gap: 14px; min-width: 0; }

.board {
  background: var(--board); color: var(--board-ink); border: 10px solid var(--board-frame); border-radius: 10px;
  padding: 14px 18px; min-height: 150px; box-shadow: inset 0 0 40px rgba(0,0,0,.35), var(--shadow);
  font-family: 'Comic Sans MS', 'Chalkboard SE', 'Nunito', cursive;
}
.board-title { font-size: 1.25rem; font-weight: 800; border-bottom: 2px dashed rgba(255,255,255,.3); padding-bottom: 6px; margin-bottom: 8px; }
.board-body { font-size: 1.05rem; }
.board-body ol, .board-body ul { margin: 0; padding-left: 1.3rem; }
.board-body li { margin: 4px 0; }
.board-body .big { font-size: 1.4rem; font-weight: 800; }
.board-body .opt-list { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.board-body .opt-list span { border: 2px solid rgba(255,255,255,.5); padding: 2px 10px; border-radius: 8px; }
.board-body .opt-list span.right { border-color: #86efac; background: rgba(134,239,172,.15); }
.bars { display: flex; gap: 6px; align-items: flex-end; height: 90px; margin-top: 8px; }
.bars div { flex: 1; background: rgba(255,255,255,.75); border-radius: 4px 4px 0 0; position: relative; min-height: 4px; }
.bars div.right { background: #86efac; }
.bars div span { position: absolute; top: -18px; left: 0; right: 0; text-align: center; font-size: .8rem; }

.room {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 14px;
  padding: 18px 14px 14px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  background-image: repeating-linear-gradient(90deg, transparent 0 59px, color-mix(in srgb, var(--border) 40%, transparent) 59px 60px);
}
.student {
  position: relative; display: flex; flex-direction: column; align-items: center; gap: 2px;
  background: none; border: 0; padding: 0; cursor: pointer; font: inherit; color: var(--text);
}
.student .head { font-size: 2.6rem; line-height: 1; transition: transform .2s; }
.student .desk {
  width: 100%; background: var(--desk); border-bottom: 5px solid var(--desk-edge); border-radius: 8px;
  padding: 6px 6px 5px; text-align: center; border: 2px solid transparent;
}
.student .name { font-weight: 800; font-size: .92rem; }
.student .profile { font-size: .7rem; font-weight: 700; color: color-mix(in srgb, var(--text) 70%, transparent); }
.student .profile.nee { color: #6d28d9; }
:root[data-theme="dark"] .student .profile.nee { color: #c4b5fd; }
.student .status { position: absolute; top: -6px; right: 8px; font-size: 1.5rem; filter: drop-shadow(0 1px 2px rgba(0,0,0,.3)); }
.student.sel .desk { border-color: var(--primary); box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 35%, transparent); }
.student.hand .head { animation: bob 0.9s ease-in-out infinite; }
.student.distracted .head { transform: rotate(-14deg); opacity: .85; }
.student.speaking .head { transform: scale(1.12); }
.student.can-pick .desk { outline: 2px dashed var(--accent); outline-offset: 2px; }
.meters { display: grid; gap: 2px; margin-top: 4px; }
.meter { height: 5px; background: rgba(0,0,0,.12); border-radius: 3px; overflow: hidden; }
.meter i { display: block; height: 100%; border-radius: 3px; transition: width .4s; }
.meter.att i { background: #0ea5e9; }
.meter.comp i { background: #22c55e; }
.meter.mot i { background: #f59e0b; }
.no-ind .meters { display: none; }
.bubble {
  position: absolute; bottom: calc(100% - 6px); left: 50%; transform: translateX(-50%);
  background: #fff; color: #111; border: 2px solid #111; border-radius: 12px; padding: 6px 9px;
  font-size: .82rem; font-weight: 700; width: max-content; max-width: 220px; z-index: 5; text-align: left;
  animation: pop .2s ease-out;
}
.bubble::after { content: ''; position: absolute; top: 100%; left: 50%; margin-left: -7px; border: 7px solid transparent; border-top-color: #111; }
@keyframes bob { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }
@keyframes pop { from { transform: translateX(-50%) scale(.7); opacity: 0; } to { transform: translateX(-50%) scale(1); opacity: 1; } }

.panel { display: flex; flex-direction: column; gap: 12px; position: sticky; top: 76px; }
.dialog { border-left: 5px solid var(--accent); }
.dialog-text { font-size: 1rem; }
.dialog-text .who { font-weight: 800; }
.dialog-choices { display: flex; flex-direction: column; gap: 6px; margin-top: 10px; }
.dialog-choices .btn { text-align: left; }
.dialog-choices .btn.good { border-color: var(--ok); }
.dialog-choices .btn.bad { border-color: var(--bad); }
.tabs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 4px; margin-bottom: 10px; }
.tab { font: inherit; font-weight: 800; font-size: .85rem; border: 0; background: var(--surface-2); color: var(--muted); padding: 8px 4px; border-radius: 8px; cursor: pointer; }
.tab.active { background: var(--primary); color: #fff; }
.tab-panel { display: flex; flex-direction: column; gap: 6px; }
.act { font: inherit; font-weight: 700; text-align: left; padding: 10px 12px; border-radius: 10px; border: 1px solid var(--border); background: var(--surface-2); color: var(--text); cursor: pointer; }
.act:hover { border-color: var(--primary); }
.act:disabled { opacity: .45; cursor: not-allowed; }
.act.used::after { content: ' ✔'; color: var(--ok); }
.act small { color: var(--muted); }
.log-card summary { cursor: pointer; font-weight: 800; }
.log { max-height: 260px; overflow: auto; padding-left: 1.2rem; font-size: .85rem; margin: 8px 0 0; }
.log li { margin: 3px 0; }
.log .t-alerta { color: var(--bad); }
.log .t-evento { color: var(--warn); }
.log .t-respuesta { color: var(--muted); }

/* ---------- vista 3D ---------- */
.view3d { position: relative; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); background: #cfe3f5; height: min(62vh, 560px); }
.view3d canvas { width: 100%; height: 100%; display: block; touch-action: none; }
.view3d-hint { position: absolute; left: 8px; bottom: 8px; right: 8px; font-size: .78rem; background: rgba(0,0,0,.55); color: #fff; padding: 4px 8px; border-radius: 8px; pointer-events: none; text-align: center; }

/* ---------- HUD de RA ---------- */
.xr-overlay { position: fixed; inset: 0; z-index: 100; pointer-events: none; display: flex; flex-direction: column; justify-content: space-between; padding: max(10px, env(safe-area-inset-top)) 10px max(10px, env(safe-area-inset-bottom)); }
.xr-overlay > * { pointer-events: auto; }
.xr-top { display: flex; align-items: center; justify-content: space-between; gap: 8px; background: rgba(15,22,35,.75); color: #fff; padding: 8px 10px; border-radius: 12px; font-size: .88rem; }
.xr-top-btns { display: flex; gap: 6px; flex-shrink: 0; }
.xr-bottom { max-height: 48vh; overflow: auto; display: flex; flex-direction: column; gap: 8px; }
.xr-bottom .card { background: rgba(255,255,255,.93); color: #1c2738; }
.xr-bottom .act, .xr-bottom .tab { background: rgba(238,242,248,.95); color: #1c2738; }
.xr-bottom .tab.active { background: var(--primary); color: #fff; }
.xr-bottom .log-card { display: none; }
.cam-video { position: fixed; inset: 0; width: 100vw; height: 100vh; object-fit: cover; z-index: 90; background: #000; }
body.cam-mode #view3d { position: fixed; inset: 0; z-index: 95; height: 100vh; border-radius: 0; background: transparent; border: 0; }
body.cam-mode .view3d-hint { bottom: 50vh; }
body.cam-mode { overflow: hidden; }

/* ---------- reporte ---------- */
.report-head { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.score { display: flex; align-items: center; gap: 16px; }
.score-ring { --p: 0; width: 120px; height: 120px; border-radius: 50%; display: grid; place-items: center;
  background: conic-gradient(var(--primary) calc(var(--p) * 1%), var(--surface-2) 0); }
.score-ring div { width: 92px; height: 92px; border-radius: 50%; background: var(--surface); display: grid; place-items: center; font-size: 1.9rem; font-weight: 800; }
.report-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.crit { margin: 10px 0; }
.crit-top { display: flex; justify-content: space-between; font-weight: 700; font-size: .92rem; }
.crit-bar { height: 10px; background: var(--surface-2); border-radius: 6px; overflow: hidden; margin-top: 4px; }
.crit-bar i { display: block; height: 100%; background: var(--primary); }
.kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-bottom: 16px; }
.kpi { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 12px; }
.kpi b { display: block; font-size: 1.5rem; }
.kpi span { color: var(--muted); font-size: .85rem; font-weight: 700; }
table.st { width: 100%; border-collapse: collapse; font-size: .88rem; }
table.st th, table.st td { padding: 6px; border-bottom: 1px solid var(--border); text-align: left; }
.table-wrap { overflow-x: auto; }
.rec li { margin: 6px 0; }
.report-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }

/* ---------- modales ---------- */
.modal { border: 0; border-radius: var(--radius); padding: 20px; max-width: min(560px, calc(100vw - 32px)); width: 100%; background: var(--surface); color: var(--text); box-shadow: 0 20px 60px rgba(0,0,0,.3); }
.modal::backdrop { background: rgba(10,20,40,.55); }
.modal-foot { display: flex; justify-content: flex-end; gap: 8px; margin-top: 14px; }
.hist-item { display: flex; justify-content: space-between; gap: 8px; padding: 8px 0; border-bottom: 1px solid var(--border); font-size: .9rem; }

.toast { position: fixed; left: 50%; bottom: 20px; transform: translateX(-50%); background: #1c2738; color: #fff; padding: 10px 16px; border-radius: 10px; z-index: 200; font-weight: 700; max-width: calc(100vw - 32px); box-shadow: var(--shadow); }


/* ---------- menú principal ---------- */
.hub-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; }
.hub-card { display: flex; flex-direction: column; align-items: flex-start; gap: 6px; text-align: left; font: inherit; color: var(--text);
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; cursor: pointer; box-shadow: var(--shadow); transition: transform .1s, border-color .15s; }
.hub-card:hover { border-color: var(--primary); transform: translateY(-2px); }
.hub-card .em { font-size: 2.2rem; }
.hub-card b { font-size: 1.1rem; }
.hub-card small { color: var(--muted); }
.tags { font-size: .75rem; font-weight: 700; color: var(--primary); display: block; }

/* ---------- planificación ---------- */
.opt { display: flex; gap: 8px; align-items: flex-start; padding: 6px 4px; cursor: pointer; }
.opt input { margin-top: 3px; width: 18px; height: 18px; flex-shrink: 0; }
.opt-row { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 8px; padding: 6px 0; border-bottom: 1px solid var(--border); }
.opt-min { display: flex; align-items: center; gap: 8px; margin-top: 8px; font-weight: 700; font-size: .9rem; }
.opt-min input, #plan-form select, #eval-body select, .row3 input { font: inherit; padding: 8px 10px; border-radius: 8px; border: 1px solid var(--border); background: var(--surface-2); color: var(--text); }
.opt-min input { width: 80px; }
#plan-form select { width: 100%; max-width: 100%; text-overflow: ellipsis; }
.setup-grid > *, .report-grid > *, .stack > * { min-width: 0; }
.opt-row > span { flex: 1 1 200px; }
.plan-fases { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.plan-fases h3 { font-size: 1rem; color: var(--primary); }
.check-pill { display: inline-flex; align-items: center; gap: 8px; background: var(--surface); border: 1px solid var(--border); padding: 10px 14px; border-radius: 999px; font-weight: 700; margin-right: auto; }
.check-pill input { width: 18px; height: 18px; }
.setup-foot { gap: 10px; flex-wrap: wrap; align-items: center; }

/* ---------- evaluación ---------- */
.stack { display: flex; flex-direction: column; gap: 16px; margin-top: 16px; }
.row3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.row3 label { display: flex; flex-direction: column; gap: 4px; font-weight: 700; font-size: .9rem; }
.ok { color: var(--ok); font-weight: 700; }
.bad { color: var(--bad); font-weight: 700; }
.hbars { display: flex; flex-direction: column; gap: 8px; }
.hbar { display: grid; grid-template-columns: 52px 1fr 28px; align-items: center; gap: 8px; font-weight: 700; }
.hbar div { background: var(--surface-2); border-radius: 6px; height: 18px; overflow: hidden; }
.hbar i { display: block; height: 100%; background: var(--primary); border-radius: 6px; }

/* ---------- casos ---------- */
.case-head { display: flex; gap: 14px; align-items: flex-start; }
.case-head > div { flex: 1; }
.case-av { font-size: 3rem; line-height: 1; }
.case-say { background: var(--surface-2); border-radius: 12px; padding: 12px 14px; margin-bottom: 10px; font-size: 1.02rem; }
.case-fb { border-left: 5px solid; padding: 10px 12px; border-radius: 8px; background: var(--surface-2); margin: 10px 0; }
.choice small.tags { margin-top: 4px; }

/* ---------- mapa curricular ---------- */
.mapa { display: grid; grid-template-columns: 1fr 320px; gap: 16px; align-items: start; }
.mapa-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.mapa-col { display: flex; flex-direction: column; gap: 8px; }
.mapa-col h3 { text-align: center; background: #1e3a5f; color: #fff; border-radius: 8px; padding: 6px; font-size: .95rem; margin: 0; }
.mapa-chip { text-align: left; font: inherit; color: var(--text); background: var(--surface); border: 2px solid var(--border); border-radius: 10px; padding: 8px 10px; cursor: pointer; }
.mapa-chip b { display: block; font-size: .86rem; }
.mapa-chip small { color: var(--muted); font-size: .75rem; }
.mapa-chip.parcial { border-style: dashed; }
.mapa-chip.sel, .mapa-chip:hover { border-color: var(--primary); }
.mapa-detail { position: sticky; top: 76px; }
@media (max-width: 1000px) { .mapa { grid-template-columns: 1fr; } .mapa-detail { position: static; } }
@media (max-width: 760px) {
  .mapa-grid { grid-template-columns: 1fr 1fr; }
  .plan-fases, .row3 { grid-template-columns: 1fr; }
  .case-av { font-size: 2.2rem; }
}

/* ---------- responsive ---------- */
@media (max-width: 1000px) {
  .class-layout { grid-template-columns: 1fr; }
  .panel { position: static; }
  .phases { order: 3; width: 100%; justify-content: center; }
}
@media (max-width: 760px) {
  main { padding: 12px; }
  .hero { grid-template-columns: 1fr; min-height: 0; }
  .setup-grid { grid-template-columns: 1fr; }
  .span2 { grid-column: auto; }
  .choice-grid { grid-template-columns: 1fr 1fr; }
  .room { grid-template-columns: repeat(3, 1fr); gap: 10px 6px; padding: 14px 8px 10px; }
  .student .head { font-size: 2rem; }
  .student .profile { display: none; }
  .student .name { font-size: .8rem; }
  .bubble { max-width: 160px; font-size: .76rem; }
  .board { border-width: 7px; padding: 10px 12px; min-height: 110px; }
  .board-title { font-size: 1.05rem; }
  .board-body { font-size: .95rem; }
  .phases span { padding: 4px 6px; font-size: .72rem; }
  .class-tools { width: 100%; }
  .class-tools .btn-danger { margin-left: auto; }
  .report-grid { grid-template-columns: 1fr; }
  .kpis { grid-template-columns: 1fr 1fr; }
  .brand-sub { display: none; }
  /* panel de acciones accesible con el pulgar */
  .panel { gap: 10px; }
}
@media (max-width: 380px) {
  .choice-grid { grid-template-columns: 1fr; }
  .room { grid-template-columns: repeat(2, 1fr); }
}

@media print {
  .topbar, .report-actions, .btn { display: none !important; }
  body { background: #fff; color: #000; }
  .card, .kpi { box-shadow: none; break-inside: avoid; }
}
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}

/* ================= Casos vivos (situaciones simuladas) ================= */
.cv-card { padding: 14px; }
.cv-stage { position: relative; border-radius: 14px; overflow: hidden; min-height: 300px; display: grid; grid-template-columns: 1fr auto; grid-template-rows: auto 1fr auto; gap: 10px; padding: 12px; isolation: isolate; }
.cv-bg { position: absolute; inset: 0; width: 100%; height: 100%; z-index: -1; }
.cv-place { grid-column: 1 / -1; justify-self: start; background: rgba(255,255,255,.85); color: #1c2738; font-size: .8rem; font-weight: 700; padding: 4px 10px; border-radius: 999px; }
.cv-person { grid-column: 2; grid-row: 2; align-self: end; display: flex; flex-direction: column; align-items: center; position: relative; }
.cv-av { font-size: clamp(64px, 12vw, 110px); line-height: 1; filter: drop-shadow(0 6px 8px rgba(0,0,0,.25)); }
.cv-mood { position: absolute; top: -6px; right: -10px; font-size: 1.6rem; background: #fff; border-radius: 50%; width: 40px; height: 40px; display: grid; place-items: center; box-shadow: 0 2px 6px rgba(0,0,0,.2); }
.cv-person small { background: rgba(255,255,255,.9); color: #1c2738; font-weight: 800; padding: 2px 8px; border-radius: 8px; margin-top: 4px; font-size: .78rem; }
.cv-bubble { grid-column: 1; grid-row: 2; align-self: center; justify-self: end; max-width: 420px; background: #fff; color: #1c2738; border-radius: 16px; padding: 12px 14px; box-shadow: 0 4px 14px rgba(0,0,0,.18); position: relative; font-size: .98rem; }
.cv-bubble::after { content: ""; position: absolute; right: -10px; bottom: 18px; border: 10px solid transparent; border-left-color: #fff; border-right: 0; }
.cv-bubble.pop { animation: cvpop .35s ease; }
@keyframes cvpop { from { transform: scale(.92); opacity: .3; } to { transform: none; opacity: 1; } }
.cv-props { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 8px; }
.cv-prop { display: flex; flex-direction: column; align-items: center; gap: 4px; padding: 8px 6px; border-radius: 12px; border: 2px dashed rgba(28,39,56,.35); background: rgba(255,255,255,.88); color: #1c2738; cursor: pointer; font: inherit; transition: transform .12s, box-shadow .12s; }
.cv-prop span { font-size: 1.8rem; line-height: 1; }
.cv-prop small { font-size: .78rem; font-weight: 700; line-height: 1.2; text-align: center; }
.cv-prop:hover:not(:disabled) { transform: translateY(-2px); box-shadow: 0 6px 14px rgba(0,0,0,.18); border-style: solid; }
.cv-prop:disabled { cursor: default; opacity: .55; }
.cv-prop.good, .cv-prop.mid, .cv-prop.bad { opacity: 1; border-style: solid; }
.cv-prop.good { border-color: var(--ok); background: #ecfdf3; }
.cv-prop.mid { border-color: var(--warn); background: #fff7e6; }
.cv-prop.bad { border-color: var(--bad); background: #fdecec; }
.cv-meters { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 12px 0 4px; }
.cv-meters div { display: grid; grid-template-columns: 1fr auto; font-size: .85rem; }
.cv-meters i { grid-column: 1 / -1; height: 8px; border-radius: 6px; background: linear-gradient(90deg, var(--c) var(--v), var(--surface-2) var(--v)); margin-top: 4px; transition: background .4s; }
.cv-step { margin: 12px 0 6px; }
.cv-accfb .case-fb { margin: 6px 0; }
.cv-input { display: flex; gap: 8px; align-items: stretch; }
.cv-input textarea { flex: 1; font: inherit; padding: 10px 12px; border-radius: 12px; border: 1px solid var(--border); background: var(--bg); color: var(--text); resize: vertical; min-width: 0; }
.cv-mic { white-space: nowrap; }
.cv-mic.rec { background: var(--bad); color: #fff; border-color: var(--bad); animation: cvrec 1s infinite; }
@keyframes cvrec { 50% { opacity: .7; } }
.cv-checks { list-style: none; padding: 0; margin: 8px 0; display: grid; gap: 4px; }
.cv-checks .ok { color: var(--ok); font-weight: 700; } .cv-checks .no { color: var(--bad); }
.cv-log li { margin-bottom: 14px; } .cv-log p { margin: 3px 0; }
@media (max-width: 640px) {
  .cv-stage { grid-template-columns: 1fr; min-height: 0; }
  .cv-person { grid-column: 1; grid-row: 2; flex-direction: row; gap: 10px; align-self: start; }
  .cv-av { font-size: 64px; } .cv-mood { position: static; width: 34px; height: 34px; font-size: 1.3rem; }
  .cv-bubble { grid-column: 1; grid-row: 3; justify-self: stretch; max-width: none; }
  .cv-bubble::after { right: auto; left: 30px; bottom: auto; top: -10px; border: 10px solid transparent; border-bottom-color: #fff; border-top: 0; }
  .cv-props { grid-row: 4; grid-template-columns: 1fr 1fr; }
  .cv-input { flex-direction: column; }
}
@media (max-width: 520px) { .isty-user { font-size: 0 !important; } .isty-user button { font-size: .8rem; } }
.asig-pao { margin: 18px 0 8px; }
.cv-fig { display: block; width: clamp(90px, 14vw, 140px); filter: drop-shadow(0 8px 10px rgba(0,0,0,.18)); animation: istyBreath 3.4s infinite ease-in-out; transform-origin: 50% 100%; }
.cv-fig svg { width: 100%; height: auto; display: block; }
.cv-person .cv-mood { top: 4px; right: -6px; }
.isty-talking .cv-fig .isty-mouth { animation: istyTalk .22s infinite alternate ease-in-out; }
@media (max-width: 640px) { .cv-fig { width: 70px; } }
.cv-mood .isty-icon-svg { width: 24px; height: 24px; stroke-width: 2.2; }
.cv-mood[data-m="😊"] { color: #16a34a; } .cv-mood[data-m="😐"] { color: #ca8a04; } .cv-mood[data-m="😠"] { color: #dc2626; }