/* Panel docente */
:root {
  --bg: #070b18; --card: #111a37; --card2: #172249; --line: rgba(255, 255, 255, .1); --line2: rgba(255, 255, 255, .18);
  --txt: #f3f6ff; --mut: #a6b2d6; --dim: #6f7ba5; --acc: #22d3ee; --ok: #4ade80; --bad: #fb7185; --warn: #fbbf24;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  min-height: 100vh; color: var(--txt); font: 15px/1.45 'Figtree', system-ui, sans-serif; -webkit-font-smoothing: antialiased;
  background: radial-gradient(900px 500px at 100% -10%, rgba(34, 211, 238, .1), transparent 60%), var(--bg);
}
a { color: var(--acc); text-decoration: none; }
a:hover { text-decoration: underline; }
.ico { width: 1em; height: 1em; flex: none; vertical-align: -.12em; }
.ico.gold { color: var(--warn); }
code { font-family: 'JetBrains Mono', monospace; font-size: .9em; background: rgba(255, 255, 255, .07); padding: 1px 6px; border-radius: 6px; }
.mono { font-family: 'JetBrains Mono', monospace; font-size: 14px; }
.mut { color: var(--mut); }
.blk { display: block; }
h1 { font: 800 30px/1.1 'Bricolage Grotesque', sans-serif; margin: 0 0 4px; letter-spacing: -.01em; }
h2 { font: 800 19px/1.2 'Bricolage Grotesque', sans-serif; margin: 0 0 10px; display: flex; align-items: center; gap: 8px; }
h2 .ico { color: var(--acc); }

.top { position: sticky; top: 0; z-index: 10; display: flex; align-items: center; gap: 16px; padding: 10px 20px; background: rgba(7, 11, 24, .9); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 10px; color: var(--txt); text-decoration: none !important; }
.brand-ico { width: 38px; height: 38px; border-radius: 11px; display: grid; place-items: center; font-size: 20px; color: #07101f; background: linear-gradient(135deg, #22d3ee, #a78bfa); }
.brand b { display: block; font-size: 15px; }
.brand small { display: block; font-size: 12px; color: var(--dim); }
.nav { display: flex; gap: 4px; margin-left: 16px; flex: 1; }
.nav a, .lnk { display: inline-flex; align-items: center; gap: 8px; padding: 8px 12px; border-radius: 10px; color: var(--mut); font-weight: 600; text-decoration: none !important; }
.nav a:hover, .lnk:hover { background: rgba(255, 255, 255, .06); color: var(--txt); }
.nav a.on { background: rgba(34, 211, 238, .14); color: var(--acc); }
.top-r { display: flex; gap: 4px; }

.wrap { max-width: 1280px; margin: 0 auto; padding: 26px 20px 60px; display: flex; flex-direction: column; gap: 18px; }
.page-h { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; flex-wrap: wrap; }
.page-h p { margin: 0; }
.back { font-weight: 600; font-size: 14px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 20px; padding: 20px; }
.card-h { margin-bottom: 6px; }
.pad { margin: 0 0 12px; }
.table-card { padding: 0; overflow: hidden; }
.table-card .card-h, .table-card .pad { padding: 18px 20px 0; }
.table-card .pad { padding-bottom: 6px; }
.cols2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.empty { text-align: center; padding: 40px 20px; }
.empty > .ico { font-size: 44px; color: var(--dim); }
.empty h2 { justify-content: center; margin-top: 10px; }

.flash { padding: 12px 16px; border-radius: 14px; font-weight: 600; background: rgba(74, 222, 128, .12); border: 1px solid rgba(74, 222, 128, .4); color: #bbf7d0; }
.flash.error { background: rgba(251, 113, 133, .12); border-color: rgba(251, 113, 133, .45); color: #fecdd3; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 11px 18px; border-radius: 12px; border: 0; background: var(--acc); color: #07101f; font: 800 15px 'Figtree', sans-serif; cursor: pointer; text-decoration: none !important; transition: filter .2s, transform .1s; }
.btn:hover { filter: brightness(1.08); }
.btn:active { transform: scale(.98); }
.btn-ghost { background: transparent; color: var(--txt); border: 1px solid var(--line2); }
.btn-ghost:hover { background: rgba(255, 255, 255, .06); }
.icon-btn { display: inline-grid; place-items: center; width: 32px; height: 32px; border-radius: 9px; border: 1px solid transparent; background: transparent; color: var(--dim); cursor: pointer; font-size: 16px; }
.icon-btn:hover { background: rgba(251, 113, 133, .12); color: var(--bad); border-color: rgba(251, 113, 133, .3); text-decoration: none; }
a.icon-btn:hover { background: rgba(34, 211, 238, .12); color: var(--acc); border-color: rgba(34, 211, 238, .3); }

input, textarea { font: inherit; color: var(--txt); background: #0a1128; border: 1px solid var(--line2); border-radius: 10px; padding: 9px 12px; outline: none; width: 100%; }
input:focus, textarea:focus { border-color: var(--acc); box-shadow: 0 0 0 3px rgba(34, 211, 238, .15); }
textarea { resize: vertical; font-family: 'JetBrains Mono', monospace; font-size: 14px; }
label { display: block; font-weight: 700; font-size: 14px; color: var(--mut); margin: 12px 0 6px; }
label small { font-weight: 500; color: var(--dim); }

/* Acceso */
.auth { min-height: 80vh; display: grid; place-items: center; }
.auth-card { width: min(420px, 100%); padding: 30px; display: flex; flex-direction: column; }
.auth-card h1 { text-align: center; margin-top: 8px; }
.auth-card > .mut { text-align: center; margin: 0 0 10px; }
.auth-card .btn { margin-top: 18px; }
.auth-card .flash { margin: 8px 0 0; }
.auth-ico { align-self: center; width: 64px; height: 64px; border-radius: 20px; display: grid; place-items: center; font-size: 30px; color: #07101f; background: linear-gradient(135deg, #22d3ee, #a78bfa); }
.hint { display: block; margin-top: 14px; font-size: 13px; color: var(--dim); text-align: center; }

/* Estadísticas */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 12px; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 16px 18px; display: flex; flex-direction: column; gap: 2px; }
.stat-l { font-size: 12px; text-transform: uppercase; letter-spacing: .1em; color: var(--dim); font-weight: 700; }
.stat b { font: 800 32px/1.1 'Bricolage Grotesque', sans-serif; background: none !important; padding: 0 !important; }
.stat small { color: var(--mut); font-size: 13px; }

/* Notas */
.nota { display: inline-block; min-width: 42px; padding: 3px 8px; border-radius: 8px; text-align: center; font: 700 14px 'JetBrains Mono', monospace; }
.nota.aprueba { background: rgba(74, 222, 128, .14); color: var(--ok); }
.nota.reprueba { background: rgba(251, 113, 133, .14); color: var(--bad); }
.nota.vacia { color: var(--dim); }
.nota.big { font-size: 16px; min-width: 54px; padding: 5px 10px; }
.stat b.nota.aprueba, .stat b.nota.reprueba { min-width: 0; text-align: left; }

.table-scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th { text-align: left; font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--dim); font-weight: 700; padding: 12px 10px; border-bottom: 1px solid var(--line2); white-space: nowrap; background: rgba(255, 255, 255, .02); }
th small { display: block; text-transform: none; letter-spacing: 0; font-weight: 500; color: var(--dim); }
td { padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: middle; }
tbody tr:hover { background: rgba(255, 255, 255, .025); }
tr.clickable { cursor: pointer; }
.r { text-align: right; }
.c-n { width: 36px; color: var(--dim); font-family: 'JetBrains Mono', monospace; font-size: 13px; }
tr.top1 td:first-child { color: var(--warn); font-weight: 800; }
.grid-notas td { padding: 6px 8px; }
.grid-notas .in-nombre { min-width: 200px; }
.grid-notas .in-doc { min-width: 120px; width: 130px; }
.ev { display: flex; align-items: center; gap: 8px; }
.in-pts { width: 74px; text-align: center; font-family: 'JetBrains Mono', monospace; }
.in-pts.bad { border-color: var(--bad); }
.c-def { text-align: center; }
.grid-notas input:not(:focus) { background: transparent; border-color: transparent; }
.grid-notas input:not(:focus):hover { border-color: var(--line2); }
.grid-notas .in-pts:not(:focus) { background: rgba(255, 255, 255, .04); }
.form-foot { display: flex; justify-content: space-between; align-items: center; gap: 14px; padding: 14px 20px; flex-wrap: wrap; position: sticky; bottom: 0; background: var(--card2); border-top: 1px solid var(--line2); }
.form-foot .mut { font-size: 13px; }
.add-card textarea { margin: 6px 0 12px; }
.formula-list { margin: 0; padding-left: 20px; color: var(--mut); display: grid; gap: 6px; }
.formula-list b { color: var(--txt); }

.tag { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 700; background: rgba(255, 255, 255, .07); color: var(--mut); }
.tag.t-final, .tag.t-cerrada { background: rgba(74, 222, 128, .12); color: var(--ok); }
.tag.t-pregunta, .tag.t-revelada, .tag.t-ranking { background: rgba(251, 191, 36, .14); color: var(--warn); }

.preg-list { padding: 4px 20px 16px; display: flex; flex-direction: column; }
.preg { display: flex; align-items: center; gap: 14px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.preg:last-child { border-bottom: 0; }
.preg-n { width: 30px; height: 30px; border-radius: 9px; display: grid; place-items: center; background: var(--card2); font-weight: 800; flex: none; }
.preg-t { flex: 1; min-width: 0; }
.preg-t b { display: block; font-size: 14px; }
.preg-t small { color: var(--dim); }
.preg-p { min-width: 130px; text-align: right; color: var(--mut); }
.bar { height: 8px; border-radius: 8px; background: rgba(255, 255, 255, .07); margin-top: 6px; overflow: hidden; }
.bar i { display: block; height: 100%; border-radius: 8px; background: var(--dim); }
.bar i.ok { background: var(--ok); } .bar i.mid { background: var(--warn); } .bar i.bad { background: var(--bad); }

.simple-list { list-style: none; margin: 0; padding: 0; }
.simple-list li { display: flex; justify-content: space-between; align-items: center; gap: 10px; border-bottom: 1px solid var(--line); }
.simple-list li:last-child { border-bottom: 0; }
.simple-list li > a, .simple-list li > span:first-child { display: block; padding: 10px 0; color: var(--txt); }
.simple-list small { display: block; color: var(--dim); font-size: 13px; }
.links { display: flex; flex-wrap: wrap; gap: 10px; }
.links a { display: inline-flex; align-items: center; gap: 8px; padding: 10px 14px; border-radius: 12px; border: 1px solid var(--line2); color: var(--txt); font-weight: 600; text-decoration: none; }
.links a:hover { background: rgba(255, 255, 255, .05); }
.fields { margin-bottom: 16px; }
.fields label { display: flex; justify-content: space-between; align-items: center; gap: 12px; color: var(--txt); font-weight: 600; }
.suffix { display: inline-flex; align-items: center; gap: 6px; color: var(--mut); }
.suffix input { width: 90px; text-align: right; }

@media (max-width: 860px) {
  .top { flex-wrap: wrap; }
  .nav { order: 3; flex-basis: 100%; margin: 0; overflow-x: auto; }
  .nav a span, .lnk span { display: none; }
  .nav a { padding: 8px 12px; }
  .nav a.on span { display: inline; }
  .cols2 { grid-template-columns: 1fr; }
  .wrap { padding: 18px 16px 40px; }
}