:root { --theme-soft:#e8f2ff; --theme-highlight:#84c2ff; --board:#1468dc; --board-deep:#0e58c6; --ink:#20385f; --muted:#607391; --line:#dce3ef; --paper:#f8f9fc; --card:#fff; --green:#27a77c; --danger:#ce5363; --shadow:0 2px 0 rgba(23,48,91,.13),0 9px 18px rgba(12,40,83,.12); }
* { box-sizing:border-box; }
body { min-width:320px; min-height:100vh; margin:0; color:var(--ink); font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif; background:var(--board); }
button,input,select,textarea { font:inherit; } button { cursor:pointer; }
.app-shell { position:relative; width:100%; min-height:100vh; margin:0 auto; padding:18px max(20px,calc((100% - 1500px) / 2 + 20px)) 52px; overflow:hidden; background:var(--board); }
.app-shell::before,.app-shell::after { position:absolute; z-index:0; content:""; pointer-events:none; opacity:.19; background:#a9d2ff; transform:rotate(-50deg); }.app-shell::before { width:18px; height:850px; top:90px; left:20%; }.app-shell::after { width:13px; height:800px; top:-190px; left:9%; }
.board-meta { position:relative; z-index:1; display:flex; justify-content:flex-end; align-items:stretch; gap:9px; margin-left:auto; }.board-date { display:flex; align-items:center; min-height:40px; padding:8px 14px; border-radius:8px; color:var(--board-deep); background:#fff; box-shadow:0 2px 0 rgba(6,52,122,.22); }.board-date { font-size:.86rem; font-weight:780; text-transform:capitalize; }.workspace[hidden] { display:none; }
.hero { display:flex; justify-content:flex-end; padding:18px 16px 27px; }.eyebrow { margin:0 0 6px; color:inherit; font-size:.68rem; font-weight:800; letter-spacing:.12em; opacity:.72; }.section-heading h2,.modal h2 { margin:0; letter-spacing:-.04em; }.hero__actions { display:flex; flex-wrap:wrap; justify-content:flex-end; gap:10px; }.button { border:0; border-radius:8px; padding:10px 15px; color:var(--board-deep); background:#fff; box-shadow:0 2px 0 rgba(6,52,122,.22); font-weight:780; transition:transform .16s,background .16s; }.button:hover { background:#e9f3ff; transform:translateY(-1px); }.button--secondary { border:1px solid rgba(255,255,255,.65); color:#fff; background:transparent; box-shadow:none; }.button--secondary:hover { background:rgba(255,255,255,.14); }
.stats { display:flex; gap:8px; padding:0 16px 10px; }.stat-card { display:flex; align-items:baseline; gap:6px; padding:7px 10px; border:1px solid rgba(255,255,255,.34); border-radius:7px; color:#fff; background:rgba(3,59,153,.16); }.stat-card__label { display:none; }.stat-card strong { font-size:1rem; }.stat-card__detail { color:#e4efff; font-size:.75rem; }.stat-card--soft { background:rgba(3,59,153,.16); }
.content-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(360px,1fr)); align-items:start; gap:20px; width:100%; min-height:450px; padding:0 15px 26px; }.subjects-section,.subjects-list { display:contents; }.agenda,.subject-card,.empty-state { min-width:0; border-radius:15px; background:var(--paper); box-shadow:0 2px 0 rgba(4,45,112,.18); }.agenda { padding:20px 16px; }.section-heading { display:flex; align-items:end; justify-content:space-between; margin:0 4px 16px; }.section-heading .eyebrow { color:#7890b4; opacity:1; }.section-heading h2 { color:#243b61; font-size:1.28rem; }.agenda-list { display:grid; gap:10px; }
.subject-card { position:relative; display:grid; grid-template-columns:5px minmax(0,1fr) auto; gap:13px; align-items:start; overflow:hidden; padding:20px 12px 15px 0; }.subject-card__stripe { align-self:stretch; border-radius:0 5px 5px 0; background:var(--subject-color); }.subject-card__main { min-width:0; padding:0; }.subject-card h3 { margin:0; color:#243b61; font-size:1.12rem; letter-spacing:-.025em; }.subject-card p { margin:5px 0 0; color:var(--muted); font-size:.8rem; }.subject-card__tasks { display:flex; align-items:center; gap:3px; }.task-badge { min-width:30px; padding:5px 7px; border-radius:6px; color:var(--board); background:var(--theme-soft); font-size:.75rem; font-weight:850; text-align:center; }.icon-action { width:30px; height:30px; border:0; border-radius:6px; color:#8b9bb4; background:transparent; font-size:1.1rem; }.icon-action:hover { color:var(--danger); background:#fff0f2; }.subject-tasks { grid-column:2 / -1; margin:4px 0 0; padding-top:11px; border-top:1px solid #e1e7f0; }.task-row { display:grid; grid-template-columns:19px minmax(0,1fr) auto auto; gap:8px; align-items:center; padding:7px 0; }.check { appearance:none; width:17px; height:17px; margin:0; border:1.5px solid #aab8cc; border-radius:50%; cursor:pointer; }.check:checked { border-color:var(--green); background:radial-gradient(circle,#fff 0 30%,transparent 34%),var(--green); }.task-row__title { min-width:0; overflow:hidden; color:#31496e; font-size:.83rem; text-overflow:ellipsis; white-space:nowrap; }.task-row.is-complete .task-row__title { color:#8492a7; text-decoration:line-through; }.task-row__dates { display:grid; gap:2px; color:#7889a2; font-size:.66rem; line-height:1.2; text-align:right; white-space:nowrap; }.task-row__dates .is-late { color:var(--danger); font-weight:800; }.task-row .icon-action { width:24px; height:24px; font-size:.95rem; }
.agenda-item { display:grid; grid-template-columns:42px 1fr; gap:11px; align-items:center; padding:11px 2px; border-bottom:1px solid #e1e7f0; }.agenda-item:last-child { border-bottom:0; }.agenda-date { padding:5px 2px; border-radius:6px; color:var(--board); background:var(--theme-soft); font-size:.64rem; font-weight:850; line-height:1.15; text-align:center; text-transform:uppercase; }.agenda-date strong { display:block; font-size:1rem; }.agenda-item h3 { margin:0; color:#30476b; font-size:.88rem; font-weight:700; }.agenda-item p { margin:3px 0 0; color:var(--muted); font-size:.75rem; }.empty-state { padding:33px 20px; border:1px dashed #b7c9e2; border-radius:10px; color:var(--muted); background:#f1f4f8; text-align:center; }.empty-state__icon { display:grid; place-items:center; width:36px; height:36px; margin:0 auto 11px; border-radius:50%; color:var(--board); background:var(--theme-soft); font-size:1.45rem; }.empty-state h3 { margin:0; color:var(--ink); font-size:1rem; }.empty-state p { margin:7px auto 16px; max-width:280px; font-size:.84rem; line-height:1.5; }.empty-state .button { border:1px solid var(--board); color:#fff; background:var(--board); }.empty-agenda { padding:25px 4px 10px; color:var(--muted); text-align:center; font-size:.84rem; }.empty-agenda span { display:grid; place-items:center; width:29px; height:29px; margin:auto; border-radius:50%; color:var(--green); background:#e7f8f1; font-weight:900; }
.agenda-item { display:grid; grid-template-columns:42px 1fr; gap:11px; align-items:center; padding:11px 2px; border-bottom:1px solid #e1e7f0; }.agenda-item:last-child { border-bottom:0; }.agenda-item.is-available { margin:0 -5px; padding:11px 7px; border-color:#c9def7; border-radius:8px; background:#eff7ff; }.agenda-date { padding:5px 2px; border-radius:6px; color:var(--board); background:var(--theme-soft); font-size:.64rem; font-weight:850; line-height:1.15; text-align:center; text-transform:uppercase; }.agenda-date strong { display:block; font-size:1rem; }.agenda-date--next { color:#278260; background:#e9f8f0; }.agenda-item h3 { margin:0; color:#30476b; font-size:.88rem; font-weight:700; }.agenda-item p { margin:3px 0 0; color:#152238; font-size:.75rem; font-weight:600; }.agenda-item.is-complete h3 { color:#8a99ad; text-decoration:line-through; }.agenda-item.is-complete p { color:#8a99ad; text-decoration:line-through; }.agenda--openings .agenda-list { max-height:475px; padding-right:6px; overflow-y:auto; scrollbar-width:thin; scrollbar-color:#b7c9e2 transparent; }.agenda--openings .agenda-list::-webkit-scrollbar { width:6px; }.agenda--openings .agenda-list::-webkit-scrollbar-thumb { border-radius:999px; background:#b7c9e2; }.agenda--openings .agenda-item { grid-template-columns:42px minmax(0,1fr) 42px 18px; gap:9px; }.agenda-check { appearance:none; width:17px; height:17px; margin:0; border:1.5px solid #aab8cc; border-radius:50%; cursor:pointer; }.agenda-check:checked { border-color:var(--green); background:radial-gradient(circle,#fff 0 30%,transparent 34%),var(--green); }.empty-state { padding:33px 20px; border:1px dashed #b7c9e2; border-radius:10px; color:var(--muted); background:#f1f4f8; text-align:center; }.empty-state__icon { display:grid; place-items:center; width:36px; height:36px; margin:0 auto 11px; border-radius:50%; color:var(--board); background:var(--theme-soft); font-size:1.45rem; }.empty-state h3 { margin:0; color:var(--ink); font-size:1rem; }.empty-state p { margin:7px auto 16px; max-width:280px; font-size:.84rem; line-height:1.5; }.empty-state .button { border:1px solid var(--board); color:#fff; background:var(--board); }.empty-agenda { padding:25px 4px 10px; color:var(--muted); text-align:center; font-size:.84rem; }.empty-agenda span { display:grid; place-items:center; width:29px; height:29px; margin:auto; border-radius:50%; color:var(--green); background:#e7f8f1; font-weight:900; }
.modal { width:min(510px,calc(100% - 28px)); padding:0; border:0; border-radius:15px; color:var(--ink); box-shadow:0 25px 80px rgba(18,47,88,.3); }.modal::backdrop { background:rgba(11,31,65,.45); backdrop-filter:blur(2px); }.modal__box { padding:25px; }.modal__heading { display:flex; justify-content:space-between; gap:20px; margin-bottom:22px; }.modal h2 { font-size:1.4rem; }.modal .eyebrow { color:var(--board); opacity:1; }.close-button { width:32px; height:32px; border:0; border-radius:7px; color:var(--muted); background:#edf1f7; font-size:1.45rem; line-height:1; }label { display:block; margin:0 0 15px; color:#40516a; font-size:.83rem; font-weight:750; }input,select,textarea { width:100%; margin-top:7px; padding:10px 11px; border:1px solid #d3ddea; border-radius:8px; color:var(--ink); background:#fff; outline:none; font-weight:500; }input:focus,select:focus,textarea:focus { border-color:var(--board); box-shadow:0 0 0 3px rgba(20,104,220,.12); }input[type="color"] { height:41px; padding:4px; }.form-row { display:grid; grid-template-columns:1fr 1fr; gap:12px; }textarea { min-height:80px; resize:vertical; }.optional { color:var(--muted); font-weight:500; }.modal__actions { display:flex; justify-content:flex-end; gap:10px; margin-top:24px; }.modal__actions .button { border:1px solid var(--board); color:#fff; background:var(--board); }.modal__actions .button--secondary { color:var(--board); background:#fff; }
@media (max-width:650px) { .app-shell { padding:10px 0 34px; }.board-meta { margin-right:20px; gap:6px; }.board-date { min-height:36px; padding:7px 9px; font-size:.72rem; }.hero { padding:18px 20px 22px; }.stats { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:6px; padding:0 20px 10px; }.stat-card { min-width:0; flex-direction:column; align-items:center; justify-content:center; gap:4px; padding:9px 5px; text-align:center; }.stat-card__detail { max-width:100%; font-size:.7rem; line-height:1.35; overflow-wrap:anywhere; }.content-grid { grid-template-columns:minmax(0,1fr); padding:0 20px 20px; gap:14px; }.form-row { grid-template-columns:1fr; gap:0; } }

/* Filas de PACs: resaltado de las abiertas con el color de su asignatura. */
.agenda-list { gap:8px; padding:0 5px; }
.agenda-item,
.agenda-item:last-child { padding:10px 8px; border:1px solid #e1e7f0; border-radius:10px; }
.agenda-item.is-available { margin:0; padding:10px 8px; border-color:var(--subject-color); background:color-mix(in srgb,var(--subject-color) 25%,white); }
.agenda--openings .agenda-list { padding:0 5px; }

/* Cabecera y selector compacto de tema. */
.board-toolbar { position:relative; z-index:2; display:flex; align-items:center; justify-content:space-between; gap:12px; }
.workspace { position:relative; z-index:1; }
.theme-picker { position:relative; flex:0 0 auto; }
.theme-picker__toggle { display:grid; place-items:center; width:36px; height:36px; padding:0; border:1px solid rgba(255,255,255,.38); border-radius:8px; color:#fff; background:rgba(0,0,0,.1); transition:background .15s; }
.theme-picker__toggle:hover,.theme-picker__toggle[aria-expanded="true"] { background:rgba(255,255,255,.18); }
.theme-picker__toggle:focus-visible { outline:2px solid #fff; outline-offset:3px; }
.theme-picker__palette { position:absolute; top:calc(100% + 8px); left:0; display:grid; grid-template-columns:repeat(6,28px); gap:10px; padding:12px; border:1px solid var(--line); border-radius:12px; background:#fff; box-shadow:0 8px 24px rgba(12,40,83,.18); }
.theme-picker__palette[hidden] { display:none; }
.theme-swatch { display:grid; place-items:center; width:28px; height:28px; padding:0; border:2px solid transparent; border-radius:50%; background:var(--swatch); background-clip:padding-box; transition:transform .15s; }
.theme-swatch:hover { transform:scale(1.1); }
.theme-swatch[aria-pressed="true"] { outline:2px solid var(--swatch); outline-offset:2px; }
.theme-swatch[aria-pressed="true"]::after { content:"✓"; color:#fff; font-size:.8rem; font-weight:800; }
.theme-swatch:focus-visible { outline:2px solid var(--ink); outline-offset:3px; }
@media (max-width:650px) {
  .board-toolbar { margin:0 20px; gap:8px; }
  .board-meta { flex-wrap:wrap; gap:6px; margin:0; }
  .board-date { padding:7px 8px; }
}

.agenda-legend { display:flex; justify-content:space-between; flex-wrap:wrap; gap:4px 12px; margin:-5px 5px 12px; color:var(--muted); font-size:.68rem; line-height:1.5; }

.pac-progress { margin:0 16px 20px; color:#fff; }
.pac-progress__heading { display:flex; justify-content:space-between; gap:12px; margin-bottom:7px; font-size:.72rem; }
.pac-progress progress { display:block; appearance:none; width:100%; height:7px; overflow:hidden; border:0; border-radius:999px; background:rgba(255,255,255,.22); }
.pac-progress progress::-webkit-progress-bar { border-radius:999px; background:rgba(255,255,255,.22); }
.pac-progress progress::-webkit-progress-value { border-radius:999px; background:#fff; }
.pac-progress progress::-moz-progress-bar { border-radius:999px; background:#fff; }
@media (max-width:650px) { .pac-progress { margin:0 20px 17px; } }

/* Texto negro en el panel de PACs. */
.agenda--openings,
.agenda--openings .eyebrow,
.agenda--openings .section-heading h2,
.agenda--openings .agenda-legend,
.agenda--openings .agenda-item h3,
.agenda--openings .agenda-item p,
.agenda--openings .empty-agenda,
.agenda--openings .empty-agenda span { color:#000; }

/* Fechas con colores vivos para distinguir apertura y entrega. */
.agenda--openings .agenda-date { color:#0759c7; background:#dcecff; }
.agenda--openings .agenda-date--next { color:#08733e; background:#d7f7e5; }

.modal__message { margin:0; color:var(--muted); font-size:.9rem; line-height:1.6; overflow-wrap:anywhere; }
.modal__actions .button--danger { border-color:var(--danger); color:#fff; background:var(--danger); }
.modal__actions .button--danger:hover { background:#b73e4e; }