/* Tablero: una fila por persona, una columna por cuatrimestre; cada materia es un bloque que se arrastra dentro de su fila */
:root {
  --bg: #f3f5f2;
  --surface: #ffffff;
  --cell: #f8faf8;
  --fg: #18201a;
  --muted: #5d6b60;
  --line: #d9e0d9;
  --accent: #2f8f3a;
  --accent-soft: #e2f0e2;
  --warn: #9a6a00;
  --warn-bg: #fdf3d6;
  --away: #c2551c;
  --drop: #cfe6d1;
  --f-display: "Familjen Grotesk", "Helvetica Neue", Arial, sans-serif;
  --f-body: "IBM Plex Sans", "Segoe UI", Arial, sans-serif;
  --f-mono: "IBM Plex Mono", Consolas, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121713; --surface: #1a211c; --cell: #161c18; --fg: #e6ece6; --muted: #9aa89d; --line: #2c372f;
    --accent: #5cc068; --accent-soft: #1f3423; --warn: #f0c45a; --warn-bg: #3a3016; --away: #ec8a55; --drop: #24402a;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html { padding-top: env(safe-area-inset-top, 0px); padding-bottom: env(safe-area-inset-bottom, 0px); }
body { margin: 0; background: var(--bg); color: var(--fg); font-family: var(--f-body); font-size: 14px; line-height: 1.45; }
.wrap {
  max-width: 1400px; margin: 0 auto; padding-block: 32px 56px;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
  display: grid; gap: 22px;
}
header { display: grid; gap: 8px; }
.eyebrow { font-family: var(--f-mono); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); }
h1 { font-family: var(--f-display); font-weight: 700; font-size: clamp(28px, 4.5vw, 42px); line-height: 1.05; margin: 0; text-wrap: balance; }
.lede { color: var(--muted); max-width: 70ch; margin: 0; }

.bar { display: flex; flex-wrap: wrap; gap: 10px 16px; align-items: center; justify-content: space-between; }
.status { font-size: 13px; color: var(--muted); display: inline-flex; align-items: center; gap: 8px; }
.status i { width: 8px; height: 8px; border-radius: 50%; background: var(--muted); display: inline-block; flex: none; }
.status.ok i { background: var(--accent); }
.status.warn i { background: var(--warn); }
.tools { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
button, select, input, textarea {
  font: inherit; color: var(--fg); background: var(--surface); border: 1px solid var(--line);
  border-radius: 8px; padding: 7px 11px;
}
button { cursor: pointer; font-weight: 500; }
button:hover { border-color: var(--muted); }
button.primary { background: var(--fg); color: var(--bg); border-color: var(--fg); }
button.danger { color: var(--away); border-color: var(--away); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
#search { width: 190px; }

.scroller { overflow-x: auto; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); }
.board { display: grid; grid-template-columns: 170px repeat(4, minmax(200px, 1fr)); min-width: 980px; }
.hd { padding: 12px 12px 10px; border-bottom: 1px solid var(--line); background: var(--surface); position: sticky; top: 0; z-index: 2; }
.hd b { font-family: var(--f-display); font-size: 17px; display: block; }
.hd span { font-family: var(--f-mono); font-size: 11px; color: var(--muted); letter-spacing: .04em; text-transform: uppercase; }
.hd.year4 { box-shadow: inset 0 3px 0 var(--fg); }
.hd.year5 { box-shadow: inset 0 3px 0 var(--muted); }

.who { padding: 12px; border-bottom: 1px solid var(--line); display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.who .top { display: flex; align-items: center; gap: 8px; }
.tag { flex: none; width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; font-family: var(--f-display); font-weight: 700; color: #fff; font-size: 14px; background: var(--pc); }
.who .nm { font-family: var(--f-display); font-weight: 700; font-size: 16px; overflow-wrap: anywhere; }
.who .sit { font-size: 12px; color: var(--muted); white-space: pre-wrap; overflow-wrap: anywhere; }
.who .cm { font-family: var(--f-mono); font-size: 10.5px; color: var(--muted); }
.who .acts { display: flex; flex-wrap: wrap; gap: 4px; }
.who .acts button { padding: 2px 8px; font-size: 11.5px; }

.cell {
  border-left: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--cell);
  padding: 8px; display: flex; flex-direction: column; gap: 6px; min-height: 120px; min-width: 0;
}
.cell.tray { background: repeating-linear-gradient(135deg, var(--cell) 0 8px, var(--surface) 8px 16px); }
.cell .n { font-family: var(--f-mono); font-size: 10.5px; color: var(--muted); align-self: flex-end; margin-top: auto; font-variant-numeric: tabular-nums; }
.cell.over { background: var(--drop); }
.cell.target { cursor: pointer; outline: 2px dashed var(--accent); outline-offset: -4px; }
.away-note { font-size: 11px; color: var(--away); font-family: var(--f-mono); }
.grad { font-size: 11.5px; border-radius: 6px; padding: 4px 7px; line-height: 1.3; }
.grad.no { color: var(--warn); background: var(--warn-bg); border: 1px dashed var(--warn); }
.grad.ok { color: var(--accent); background: var(--accent-soft); }

.blk {
  background: var(--surface); border: 1px solid var(--line); border-left: 4px solid var(--pc);
  border-radius: 8px; padding: 7px 9px; cursor: grab; touch-action: none; user-select: none;
  display: grid; gap: 3px; position: relative;
}
.blk.debe { background: var(--ps); }
.blk .bn { font-weight: 600; font-size: 13px; line-height: 1.25; padding-right: 16px; }
.blk .meta { display: flex; flex-wrap: wrap; gap: 4px; }
.pill { font-family: var(--f-mono); font-size: 10px; padding: 0 6px; border-radius: 999px; background: var(--cell); color: var(--muted); border: 1px solid var(--line); }
.pill.debe { color: var(--pc); border-color: var(--pc); }
.pill.junt { color: var(--accent); border-color: var(--accent); }
.blk .warnmsg { font-size: 11px; color: var(--warn); background: var(--warn-bg); border-radius: 5px; padding: 2px 6px; }
.blk.has-warn { border-color: var(--warn); border-left-color: var(--pc); }
.blk.sel { outline: 2px solid var(--fg); outline-offset: 1px; }
.blk.lifted { opacity: .35; }
.blk .x { position: absolute; top: 3px; right: 4px; border: 0; background: none; padding: 0 4px; font-size: 15px; line-height: 1; color: var(--muted); }
.note { font-size: 12px; white-space: pre-wrap; overflow-wrap: anywhere; background: var(--cell); border-radius: 5px; padding: 3px 6px; cursor: text; }
.addnote { justify-self: start; border: 0; background: none; padding: 0; font-size: 11px; color: var(--muted); }
.addnote:hover { color: var(--fg); }
.noteedit { display: grid; gap: 4px; }
.noteedit textarea { font-size: 12px; padding: 4px 6px; resize: vertical; min-height: 46px; width: 100%; border-radius: 6px; }
.noteedit div { display: flex; gap: 6px; }
.noteedit button { padding: 2px 8px; font-size: 11.5px; }
.ghost { position: fixed; z-index: 50; pointer-events: none; width: 180px; box-shadow: 0 10px 24px rgba(0,0,0,.18); transform: rotate(-2deg); }

.foot { grid-column: 1 / -1; display: grid; grid-template-columns: 170px repeat(4, minmax(200px, 1fr)); }
.jl { padding: 10px 12px; font-size: 12px; color: var(--muted); border-left: 1px solid var(--line); min-width: 0; }
.jl.lead { border-left: 0; }
.jl b { color: var(--accent); font-family: var(--f-mono); font-weight: 500; font-size: 10.5px; letter-spacing: .06em; text-transform: uppercase; }
.jl ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 4px; }
.jl li strong { color: var(--fg); font-weight: 600; }
.empty { grid-column: 1 / -1; padding: 40px 16px; text-align: center; color: var(--muted); }

.help { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 12px 28px; font-size: 13px; color: var(--muted); }
.help p { margin: 0; }
.help strong { color: var(--fg); }
footer { font-size: 12px; color: var(--muted); max-width: 80ch; }

dialog { border: 1px solid var(--line); border-radius: 14px; padding: 0; background: var(--surface); color: var(--fg); width: min(92vw, 420px); }
dialog::backdrop { background: rgba(0,0,0,.35); }
dialog form { display: grid; gap: 8px; padding: 20px; }
dialog h2 { font-family: var(--f-display); font-size: 22px; margin: 0 0 6px; }
dialog label { font-size: 12.5px; font-weight: 600; margin-top: 4px; }
dialog input, dialog select, dialog textarea { width: 100%; }
dialog .hint { font-size: 12px; color: var(--muted); margin: 4px 0 0; }
dialog .or { margin: 2px 0; font-size: 12px; color: var(--muted); text-align: center; }
dialog .row { display: flex; gap: 8px; margin-top: 10px; }
@media (prefers-reduced-motion: reduce) { .ghost { transform: none; } }

/* switches de cada materia */
.ctl { display: flex; flex-wrap: wrap; gap: 4px 10px; }
.sw {
  border: 0; background: none; padding: 1px 0; font-size: 11px; color: var(--muted); font-weight: 500;
  display: inline-flex; align-items: center; gap: 5px;
}
.sw::before {
  content: ""; width: 22px; height: 12px; border-radius: 999px; background: var(--line); flex: none;
  background-image: radial-gradient(circle at 6px 6px, var(--surface) 4px, transparent 4.5px);
  transition: background-color .15s, background-position .15s;
}
.sw[aria-checked="true"] { color: var(--fg); }
.sw[aria-checked="true"]::before { background-color: var(--pc); background-position: 10px 0; }
@media (prefers-reduced-motion: reduce) { .sw::before { transition: none; } }

/* fila para sumarse */
.addrow {
  grid-column: 1 / -1; display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
  padding: 14px 12px; border-bottom: 1px solid var(--line); background: var(--accent-soft);
}
.addrow .addlabel { font-family: var(--f-display); font-weight: 700; font-size: 15px; }
.addrow input { width: 220px; }