/* Modo Profesor — sobre yoy-brand.css + app.css */
.barra-marca { text-decoration: none; color: #fff; }
.tag-prof { font-style: normal; font-size: .7rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; padding: 3px 8px; border-radius: 999px; background: var(--palette-secondary); margin-left: 6px; vertical-align: middle; }
.enlace-juego { color: #fff; font-weight: 700; font-size: .85rem; text-decoration: none; padding: 8px 12px; border-radius: 999px; border: 1px solid rgba(255,255,255,.25); }
.enlace-juego:hover { background: rgba(255,255,255,.1); }

.prof-intro { padding: 18px 0 8px; display: grid; gap: 6px; }
.prof-intro h1 { margin: 0; font-size: clamp(1.7rem, 4vw, 2.3rem); font-weight: 900; }
.prof-intro p { margin: 0; color: var(--text-secondary); max-width: 68ch; line-height: 1.55; }

.prof-form { display: grid; gap: 14px; margin-top: 14px; }
.bloque-form { padding: 16px; display: grid; gap: 10px; align-content: start; min-width: 0; }
.fila-form { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.ayuda { margin: 0; font-size: .8rem; color: var(--text-muted); }

.opciones { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.opciones button, .opciones-mini button, .tema {
  cursor: pointer; border-radius: 12px; border: 1px solid rgba(255,255,255,.2); background: rgba(255,255,255,.07);
  color: #fff; font-family: inherit; transition: background .2s, border-color .2s, transform .15s;
}
.opciones button { text-align: left; padding: 12px 14px; display: grid; gap: 4px; }
.opciones button b { font-size: .95rem; }
.opciones button small { color: var(--text-secondary); font-size: .78rem; }
.opciones button[aria-checked="true"], .opciones-mini button[aria-checked="true"] { background: var(--palette-primary); border-color: var(--palette-primary); }
.opciones button[aria-checked="true"] small { color: rgba(255,255,255,.9); }
.opciones-mini { display: flex; flex-wrap: wrap; gap: 6px; }
.opciones-mini button { padding: 8px 12px; font-weight: 700; font-size: .85rem; }
.opciones button:active, .opciones-mini button:active, .tema:active { transform: scale(.97); }

.chips-temas { display: flex; flex-wrap: wrap; gap: 8px; }
.tema { padding: 9px 14px; font-weight: 700; font-size: .9rem; display: inline-flex; gap: 8px; align-items: baseline; }
.tema small { font-weight: 600; font-size: .72rem; color: var(--text-secondary); }
.tema[aria-pressed="true"] { background: var(--palette-secondary); border-color: var(--palette-secondary); }
.tema[aria-pressed="true"] small { color: rgba(255,255,255,.9); }

.valor-grande { font-size: 2rem; font-weight: 900; line-height: 1; font-variant-numeric: tabular-nums; }
.valor-grande small { font-size: .85rem; font-weight: 600; color: var(--text-secondary); }
input[type="range"] { width: 100%; accent-color: var(--palette-secondary); }
select.yoy-input { appearance: auto; }

.interruptor { display: flex; align-items: center; gap: 10px; font-weight: 600; font-size: .92rem; cursor: pointer; flex-wrap: wrap; }
.interruptor small { color: var(--text-muted); font-weight: 500; }
.interruptor input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.interruptor span { width: 40px; height: 22px; border-radius: 999px; background: rgba(255,255,255,.25); position: relative; flex: 0 0 40px; transition: background .2s; }
.interruptor span::after { content: ""; position: absolute; top: 3px; left: 3px; width: 16px; height: 16px; border-radius: 50%; background: #fff; transition: transform .2s; }
.interruptor input:checked + span { background: var(--palette-secondary); }
.interruptor input:checked + span::after { transform: translateX(18px); }
.interruptor input:focus-visible + span { outline: 3px solid var(--palette-primary); outline-offset: 2px; }

.publicar { display: flex; gap: 16px; align-items: center; justify-content: space-between; padding: 6px 2px; }
.publicar p { margin: 0; color: var(--text-secondary); font-size: .9rem; line-height: 1.5; }
.publicar p b { color: #fff; }
.publicar .yoy-btn { width: auto; padding: 15px 26px; font-size: 1.05rem; white-space: nowrap; }

.mis-examenes { margin-top: 28px; }
#lista-mis-examenes { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 10px; }
.mi-examen { display: grid; gap: 2px; padding: 12px 14px; border-radius: 12px; background: var(--view-bg); border: 1px solid rgba(255,255,255,.14); color: #fff; text-decoration: none; }
.mi-examen:hover { border-color: var(--palette-primary); }
.mi-examen span { color: var(--text-secondary); font-size: .8rem; }

/* ── Examen publicado ── */
.ex-cab { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; flex-wrap: wrap; padding: 10px 0 16px; }
.ex-cab h1 { margin: 6px 0 4px; font-size: clamp(1.4rem, 3.5vw, 2rem); font-weight: 900; }
.ex-sub { margin: 0; color: var(--text-secondary); font-size: .9rem; }
.estado-ex { display: inline-block; padding: 4px 10px; border-radius: 999px; font-size: .72rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; background: rgba(255,255,255,.15); }
.estado-ex[data-estado="espera"] { background: var(--g-media); color: #3b2a00; }
.estado-ex[data-estado="en_curso"] { background: var(--palette-secondary); }
.estado-ex[data-estado="cerrado"] { background: rgba(255,255,255,.25); }
.tabs { display: flex; gap: 4px; padding: 4px; border-radius: 12px; background: rgba(0,0,0,.2); }
.tabs button { border: 0; background: none; color: #fff; font-family: inherit; font-weight: 700; padding: 9px 16px; border-radius: 9px; cursor: pointer; }
.tabs button[aria-selected="true"] { background: var(--palette-primary); }

.proyeccion { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: 20px; align-items: stretch; }
.qr-grande { background: #fff; color: #0d3f63; border-radius: 18px; padding: 22px; display: grid; justify-items: center; align-content: center; gap: 10px; box-shadow: var(--sombra-fuerte); }
.qr { width: min(100%, 420px); aspect-ratio: 1; }
.qr svg { width: 100%; height: 100%; display: block; }
.codigo-grande { font-size: clamp(2.4rem, 6vw, 4rem); font-weight: 900; letter-spacing: .18em; line-height: 1; padding-left: .18em; }
.url-unirse { font-size: clamp(.9rem, 2vw, 1.15rem); font-weight: 700; color: #1b78b0; text-align: center; word-break: break-all; }
.sala { padding: 22px; display: grid; gap: 16px; align-content: start; }
.sala-cuenta { display: flex; align-items: baseline; gap: 12px; }
.sala-cuenta span { font-size: clamp(3rem, 8vw, 5rem); font-weight: 900; line-height: 1; color: #7ff3e2; font-variant-numeric: tabular-nums; }
.sala-cuenta small { font-size: 1.2rem; font-weight: 700; }
.nombres { display: flex; flex-wrap: wrap; gap: 8px; }
.nombre { padding: 7px 12px; border-radius: 10px; background: rgba(255,255,255,.14); font-weight: 700; animation: popIn .4s var(--ease-pop) both; }
.nombre.mas { background: rgba(255,102,0,.35); }
.vacio-sala { margin: 0; color: var(--text-secondary); font-size: 1.1rem; }
.btn-comenzar { font-size: 1.2rem; padding: 16px; }
.btn-pantalla { background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.25); color: #fff; }
.ranking-proy h3 { margin: 0 0 8px; }
.ranking-proy ol { margin: 0; padding-left: 22px; display: grid; gap: 6px; }
.ranking-proy li span { display: inline-block; min-width: 60%; font-weight: 700; }
.ranking-proy li b { color: #7ff3e2; font-variant-numeric: tabular-nums; }

.panel-prof { display: grid; gap: 14px; }
.panel-grid { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 14px; align-items: start; }
.panel-lado { display: grid; gap: 14px; }
.tabla-wrap { overflow-x: auto; }
.tabla-alumnos { width: 100%; border-collapse: collapse; font-size: .9rem; min-width: 440px; }
.tabla-alumnos th { text-align: left; font-size: .7rem; letter-spacing: .08em; text-transform: uppercase; color: var(--text-secondary); padding: 6px 8px; }
.tabla-alumnos td { padding: 9px 8px; border-top: 1px solid rgba(255,255,255,.1); }
.tabla-alumnos .num { text-align: right; font-variant-numeric: tabular-nums; }
.tabla-alumnos .alerta { color: #ff8a8b; font-weight: 800; }
.vacio-tabla { color: var(--text-secondary); text-align: center; padding: 24px !important; }
.avance { display: flex; align-items: center; gap: 8px; }
.prog { flex: 1; height: 7px; border-radius: 4px; background: rgba(255,255,255,.15); overflow: hidden; min-width: 60px; }
.prog b { display: block; height: 100%; background: var(--palette-secondary); transition: width .4s; }
.avance small { color: var(--text-secondary); font-variant-numeric: tabular-nums; }

.omit { display: grid; grid-template-columns: minmax(0, 1fr) 70px 44px; gap: 10px; align-items: center; padding: 8px 0; border-top: 1px solid rgba(255,255,255,.08); }
.omit:first-child { border-top: 0; }
.omit-txt { display: grid; gap: 2px; min-width: 0; }
.omit-txt span { font-weight: 700; font-size: .88rem; }
.omit-txt small { color: var(--text-muted); font-size: .74rem; }
.omit-barra { height: 8px; border-radius: 4px; background: rgba(255,255,255,.12); overflow: hidden; }
.omit-barra i { display: block; height: 100%; background: var(--e-omitido); }
.omit.falsa_alarma .omit-barra i { background: #5b8cff; }
.omit b { text-align: right; font-variant-numeric: tabular-nums; }

.acciones-prof { display: grid; gap: 8px; }
.acciones-prof .yoy-btn:not(.yoy-btn-accent) { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.22); color: #fff; }
.acciones-prof .btn-peligro { border-color: rgba(255,77,79,.6) !important; color: #ffb3b4 !important; }
.confirmar { padding: 12px; border-radius: 12px; background: rgba(255,77,79,.18); border: 1px solid rgba(255,77,79,.6); display: grid; gap: 10px; }
.confirmar p { margin: 0; font-weight: 600; line-height: 1.45; }
.confirmar-btns { display: flex; gap: 8px; }
.btn-peligro-fuerte { background: #ff4d4f; border-color: #ff4d4f; color: #fff; }

@media (max-width: 900px) {
  .fila-form, .opciones, .proyeccion, .panel-grid { grid-template-columns: 1fr; }
  .publicar { flex-direction: column; align-items: stretch; }
  .publicar .yoy-btn { width: 100%; }
}