:root{--marca: #1e3a8a;--marca-fuerte: #172a6e;--marca-suave: #eff6ff;--marca-borde: #bfdbfe;--acento: #0f9d58;--acento-fuerte: #0b7a44;--acento-claro: #22c55e;--fondo: #f1f5f9;--superficie: #ffffff;--superficie-hundida: #eef2ff;--sobre-marca: #ffffff;--texto: #0f172a;--texto-tenue: #64748b;--borde: #e2e8f0;--peligro: #dc2626;--peligro-fuerte: #b91c1c;--peligro-texto: #991b1b;--peligro-suave: #fef2f2;--peligro-borde: #fecaca;--aviso-texto: #92400e;--aviso-suave: #fef3c7;--aviso-borde: #fde68a;--exito: var(--acento-fuerte);--grabando: #dc2626;--grabando-halo: rgba(220, 38, 38, .25);--escuchando-halo: rgba(15, 157, 88, .12);--hablando-halo: rgba(30, 58, 138, .18);--tipo: "Segoe UI", system-ui, -apple-system, sans-serif;--tipo-mono: ui-monospace, Consolas, monospace;--letra-xs: 11px;--letra-s: 13px;--letra-m: 15px;--letra-campo: 16px;--letra-l: 18px;--letra-xl: 22px;--letra-xxl: 28px;--hueco-xs: 4px;--hueco-s: 8px;--hueco-m: 12px;--hueco-l: 18px;--hueco-xl: 24px;--radio: 14px;--radio-s: 8px;--radio-pastilla: 999px;--ancho-app: 640px;--ancho-panel: 1000px;--transicion: .15s ease}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--tipo);background:var(--fondo);color:var(--texto)}.app{max-width:var(--ancho-app);margin:0 auto;min-height:100vh;display:flex;flex-direction:column;padding:16px}.brand{display:flex;align-items:center;gap:12px;padding:8px 4px 20px}.brand-logo{width:44px;height:44px;border-radius:12px;background:linear-gradient(135deg,var(--marca),var(--marca));color:var(--sobre-marca);font-weight:800;display:grid;place-items:center;font-size:18px}.brand-text h1{font-size:20px;color:var(--marca)}.brand-text p{font-size:13px;color:var(--texto-tenue)}.card{background:var(--superficie);border:1px solid var(--borde);border-radius:var(--radio);padding:20px}.home{display:flex;flex-direction:column;gap:16px}.hero h2{margin-bottom:8px;color:var(--marca)}.modes{display:grid;grid-template-columns:1fr 1fr;gap:12px}.mode-card{text-align:left;background:var(--superficie);border:1px solid var(--borde);border-radius:var(--radio);padding:18px;cursor:pointer;transition:transform .12s ease,box-shadow .12s ease}.mode-card:hover{transform:translateY(-2px);box-shadow:0 6px 18px #1e3a8a1f}.mode-card.exam{border-top:4px solid var(--marca)}.mode-card.practice{border-top:4px solid var(--acento)}.mode-icon{font-size:26px}.mode-card h3{margin:8px 0 6px;color:var(--marca)}.mode-card p{font-size:13px;color:var(--texto-tenue)}.hint{font-size:12px;color:var(--texto-tenue);text-align:center}.call{flex:1;display:flex;flex-direction:column;gap:12px}.call-top{display:flex;align-items:center;justify-content:space-between;gap:8px}.call-status{font-size:13px;color:var(--texto-tenue);font-weight:600}.link-btn{background:none;border:none;color:var(--texto-tenue);cursor:pointer;font-size:13px}.link-btn:disabled{opacity:.5}.transcript{flex:1;min-height:320px;max-height:55vh;overflow-y:auto;display:flex;flex-direction:column;gap:10px;background:var(--superficie);border:1px solid var(--borde);border-radius:var(--radio);padding:16px}.bubble{max-width:82%;padding:10px 14px;border-radius:14px;font-size:15px;line-height:1.45}.bubble.user{align-self:flex-end;background:var(--marca);color:var(--sobre-marca);border-bottom-right-radius:4px}.bubble.ai{align-self:flex-start;background:var(--superficie-hundida);color:var(--texto);border-bottom-left-radius:4px}.bubble.thinking{display:flex;gap:5px;padding:14px}.dot{width:8px;height:8px;background:var(--marca);border-radius:50%;animation:blink 1.2s infinite}.dot:nth-child(2){animation-delay:.2s}.dot:nth-child(3){animation-delay:.4s}@keyframes blink{0%,80%,to{opacity:.25}40%{opacity:1}}.corrections{margin-top:8px;display:flex;flex-direction:column;gap:6px}.correction{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:13px;background:var(--sobre-marca);border:1px solid var(--borde);border-left:3px solid var(--acento);border-radius:8px;padding:6px 10px}.corr-what{color:var(--peligro-fuerte);text-decoration:line-through}.corr-arrow{color:var(--texto-tenue)}.corr-fix{color:var(--acento-fuerte);font-weight:700}.corr-tip{width:100%;color:var(--texto-tenue);font-style:italic}.error{color:var(--peligro-fuerte);font-size:13px;text-align:center}.mic-area{display:flex;flex-direction:column;align-items:center;gap:10px;padding:8px 0 20px}.mic-ring{width:84px;height:84px;border-radius:50%;display:grid;place-items:center;background:radial-gradient(circle,var(--escuchando-halo),transparent 70%);transition:background .15s ease}.mic-ring.recording{background:radial-gradient(circle,var(--grabando-halo),transparent 70%);animation:pulse 1s infinite}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.06)}}.mic-btn{width:64px;height:64px;border-radius:50%;border:none;background:var(--acento);color:var(--sobre-marca);font-size:24px;cursor:pointer;transition:background .15s ease;touch-action:none;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none;-webkit-tap-highlight-color:transparent}.mic-btn:focus-visible{outline:3px solid var(--marca);outline-offset:3px}.mic-btn:disabled{background:var(--borde);cursor:not-allowed}.mic-btn.recording{background:var(--peligro)}.mic-ring.speaking{background:radial-gradient(circle,var(--hablando-halo),transparent 70%)}.mic-hint{font-size:13px;color:var(--texto-tenue)}.skip-btn{font-size:13px;padding:4px 0}@media (prefers-reduced-motion: reduce){.mic-ring.recording{animation:none}}.result{display:flex;justify-content:center;padding-top:12px}.result-card{width:100%;display:flex;flex-direction:column;gap:14px}.result-card h2{color:var(--marca)}.level-badge{font-size:44px;font-weight:800;color:var(--sobre-marca);background:linear-gradient(135deg,var(--marca),var(--marca));width:90px;height:90px;border-radius:50%;display:grid;place-items:center;margin:4px auto}.level-desc{text-align:center;font-weight:600;color:var(--texto-tenue)}.scores{display:flex;flex-direction:column;gap:8px}.score-row{display:grid;grid-template-columns:110px 1fr 36px;align-items:center;gap:10px;font-size:14px}.score-label{color:var(--texto-tenue)}.score-bar{height:10px;background:var(--borde);border-radius:6px;overflow:hidden}.score-fill{height:100%;background:linear-gradient(90deg,var(--acento),var(--acento-claro));border-radius:6px}.score-value{font-weight:700;text-align:right}.pron-note{font-size:12px;color:var(--texto-tenue);font-style:italic}.result-columns{display:grid;grid-template-columns:1fr 1fr;gap:12px}.result-columns h4,.recommendations h4,.report-summary+h4{color:var(--marca);margin-bottom:8px}.result-columns ul{padding-left:18px;font-size:14px}.result-columns li,.recommendations li{margin-bottom:4px;font-size:14px;line-height:1.4}.recommendations ol{padding-left:20px}.report-summary{color:var(--texto);font-size:15px}.mistakes{display:flex;flex-direction:column;gap:6px}.result-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:6px}.btn{padding:10px 18px;border-radius:10px;border:1px solid var(--borde);background:var(--superficie);color:var(--marca);font-weight:600;cursor:pointer;font-size:14px;transition:background .12s ease}.btn.primary{background:var(--marca);color:var(--sobre-marca);border-color:var(--marca)}.btn.primary:hover{background:var(--marca-fuerte)}.btn.ghost{color:var(--texto-tenue);background:none}.btn:disabled{opacity:.5;cursor:not-allowed}@media (max-width: 480px){.modes,.result-columns{grid-template-columns:1fr}}.sessions-link{font-size:14px;padding:6px 0}.sessions{display:flex;flex-direction:column;gap:16px}.sessions-top{display:flex;align-items:center;gap:12px}.sessions-top h2{font-size:18px}.session-list{display:flex;flex-direction:column;gap:10px}.session-card{text-align:left;background:var(--superficie);border:1px solid var(--borde);border-radius:var(--radio);padding:14px 16px;cursor:pointer;transition:transform .12s ease,box-shadow .12s ease}.session-card:hover{transform:translateY(-1px);box-shadow:0 4px 12px #1e3a8a1a}.session-card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px}.session-mode-badge{font-size:12px;font-weight:700;padding:2px 10px;border-radius:8px;color:var(--sobre-marca)}.session-mode-badge.exam{background:var(--marca)}.session-mode-badge.practice{background:var(--acento)}.session-date{font-size:13px;color:var(--texto-tenue)}.session-card-meta{display:flex;gap:16px;font-size:13px;color:var(--texto-tenue)}.session-level{font-weight:700;color:var(--marca)}.session-detail{display:flex;flex-direction:column;gap:16px}.session-info-row{display:flex;gap:20px;font-size:14px;color:var(--texto-tenue);flex-wrap:wrap}.session-result-summary h4,.session-report-summary h4{color:var(--marca);margin-bottom:8px}.session-transcript{display:flex;flex-direction:column;gap:14px;background:var(--superficie);border:1px solid var(--borde);border-radius:var(--radio);padding:16px}.session-turn{display:flex;flex-direction:column;gap:6px}.session-turn-header{display:flex;justify-content:space-between;font-size:12px;color:var(--texto-tenue)}.session-turn-num{font-weight:600}.session-turn-time{font-family:Consolas,Courier New,monospace}.session-comment{font-style:italic;color:var(--texto-tenue);font-size:13px}.session-report-summary{background:var(--superficie);border:1px solid var(--borde);border-radius:var(--radio);padding:16px}.session-report-summary ol{padding-left:20px}.session-report-summary li{font-size:14px;margin-bottom:4px}.campo{padding:11px 12px;border:1px solid var(--borde);border-radius:8px;font-size:16px;font-family:inherit;color:var(--texto);background:var(--superficie);width:100%}.campo:focus-visible{outline:2px solid var(--marca);outline-offset:1px}.cerrar-sesion{margin-left:auto;font-size:13px}.aviso-lista{margin:12px 0 16px 18px;display:flex;flex-direction:column;gap:6px;font-size:15px}.app.ancha{max-width:var(--ancho-panel)}.admin{display:flex;flex-direction:column;gap:20px;width:100%}.admin-top{display:flex;align-items:center;gap:12px}.admin-top h2{color:var(--marca);font-size:22px}.admin-top-derecha{margin-left:auto;display:flex;align-items:center;gap:12px}.admin-email{font-size:13px;color:var(--texto-tenue)}.pestanas{display:flex;gap:2px;border-bottom:1px solid var(--borde)}.pestana{background:none;border:none;border-bottom:2px solid transparent;padding:9px 14px;font:inherit;font-size:14px;color:var(--texto-tenue);cursor:pointer}.pestana.activa{color:var(--marca);border-bottom-color:var(--marca);font-weight:600}.bloque{background:var(--superficie);border:1px solid var(--borde);border-radius:var(--radio);padding:18px;display:flex;flex-direction:column;gap:12px}.bloque h3{font-size:16px;color:var(--marca)}.bloque h4{font-size:14px;margin-top:4px}.datos{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:16px}.dato{display:flex;flex-direction:column;gap:2px}.dato-n{font-size:24px;font-weight:700;font-variant-numeric:tabular-nums;color:var(--texto)}.dato-n.ok{color:var(--acento-fuerte)}.dato-n.aviso{color:var(--aviso-texto)}.dato-n.malo{color:var(--peligro-fuerte)}.dato-lbl{font-size:12px;color:var(--texto-tenue);text-transform:uppercase;letter-spacing:.04em}.dato-nota{font-size:12px;color:var(--texto-tenue)}.barras{display:flex;flex-direction:column;gap:7px}.barra-fila{display:grid;grid-template-columns:42px 1fr 72px;align-items:center;gap:10px}.barra-lbl{font-size:11px;color:var(--texto-tenue);letter-spacing:.05em}.barra{height:8px;background:var(--fondo);border-radius:4px;overflow:hidden}.barra-fill{height:100%;background:var(--marca);border-radius:4px}.barra-val{font-size:13px;text-align:right;font-variant-numeric:tabular-nums;color:var(--texto-tenue)}.tabla{width:100%;border-collapse:collapse;font-size:14px;display:block;overflow-x:auto;white-space:nowrap}.tabla th,.tabla td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--borde)}.tabla th{font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--texto-tenue);font-weight:600}.tabla tr.baja td{color:var(--texto-tenue);text-decoration:line-through}.link-btn.peligro{color:var(--peligro-fuerte)}.errores{margin-left:18px;display:flex;flex-direction:column;gap:4px;font-size:14px}.aviso-error{background:var(--peligro-suave);border:1px solid var(--peligro-borde);border-radius:8px;padding:12px 14px;display:flex;flex-direction:column;gap:4px;font-size:14px;color:var(--peligro-texto)}.codigo-error{font-size:13px;color:var(--peligro-texto);font-family:var(--tipo-mono)}.cupo{margin-left:8px;padding:1px 7px;border-radius:10px;background:var(--borde);color:var(--texto-tenue);font-size:12px;font-variant-numeric:tabular-nums}.cupo.poco{background:var(--aviso-suave);color:var(--aviso-texto)}.cupo.fuera{background:var(--peligro-suave);color:var(--peligro-texto)}.aviso-silencio{display:flex;align-items:flex-start;gap:var(--hueco-m);background:var(--aviso-suave);border:1px solid var(--aviso-borde);color:var(--aviso-texto);border-radius:var(--radio-s);padding:var(--hueco-m) var(--hueco-l);font-size:var(--letra-s)}.aviso-silencio p{margin:0;flex:1}.aviso-silencio button{flex-shrink:0;background:none;border:0;padding:0;color:inherit;font:inherit;font-weight:600;text-decoration:underline;cursor:pointer}.aviso-reanudado{background:var(--marca-suave);border:1px solid var(--marca-borde);color:var(--marca);border-radius:8px;padding:10px 14px;font-size:14px}.formulario{display:flex;flex-direction:column;gap:var(--hueco-m);margin-top:var(--hueco-xl)}.separado{margin-top:var(--hueco-l)}.pista{margin-top:var(--hueco-m)}.acciones-columna{display:flex;flex-direction:column;gap:var(--hueco-s);margin-top:var(--hueco-l)}.cargando{text-align:center;padding-top:60px}.alineado-inicio{align-self:flex-start}.centrado{text-align:center}.vacio{padding:40px 0}.titulo-seccion{color:var(--marca)}.formulario-alta{display:flex;flex-direction:column;gap:var(--hueco-s);margin:var(--hueco-m) 0 var(--hueco-xl)}.celda-detalle{white-space:normal;max-width:420px}