/* =============================================================================
   elternrat-portal — app.css
   SCHICHTEN (Cascade-Layers, Konvention vom mbc-portal): später genannt gewinnt,
   unabhängig von der Spezifität. Neue Regeln ans DATEIENDE und dort per
   @layer <name> { … } in die richtige Schicht hängen (CLAUDE.md §5).
     tokens      Farben, Abstände, Radien
     base        Reset, Typografie
     layout      App-Shell (Topbar, Main, Bottombar)
     komponenten Buttons, Alerts, Formulare
     seiten      seitenspezifische Blöcke (Kanban, …)
     utilities   .u-*-Helfer — dürfen alles überschreiben
   ========================================================================== */
@layer tokens, base, layout, komponenten, seiten, utilities;

@layer tokens {
:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --border: #dfe3e8;
  --text: #1b1f24;
  --text-soft: #5b6470;
  --accent: #1d5fa8;        /* ruhiges Blau — Schule, kein Orange wie scrOffice */
  --accent-soft: #e3edf9;
  --success: #1f8a4c;
  --danger: #b3452e;
  --shadow: 0 1px 3px rgba(0,0,0,0.06), 0 6px 16px rgba(0,0,0,0.04);
  --radius: 8px;
}
}

@layer base {
* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg); color: var(--text);
  line-height: 1.5;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code { font: .9em ui-monospace, Consolas, monospace; background: rgba(127,127,127,.12); padding: .05rem .3rem; border-radius: 3px; }
h1, h2, h3 { line-height: 1.25; }
}

@layer layout {
.topbar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 2rem;
  padding: 0.65rem 1.25rem;
  position: sticky; top: 0; z-index: 10;
}
.brand a { font-weight: 700; color: var(--text); font-size: 1.05rem; letter-spacing: -0.01em; }
.brand-sub { font-size: .72rem; color: var(--text-soft); text-transform: uppercase; letter-spacing: .06em; margin-left: .35rem; }
.topnav { display: flex; gap: .75rem; flex: 1; }
.topnav a { color: var(--text-soft); padding: 0.3rem 0.6rem; border-radius: 4px; }
.topnav a.active { color: var(--accent); background: var(--accent-soft); }
.main { max-width: 1700px; margin: 0 auto; padding: 1.5rem 1.25rem 5rem; }
.bottombar {
  position: fixed; bottom: 0; left: 0; right: 0;
  background: var(--surface); border-top: 1px solid var(--border);
  padding: 0.4rem 1.25rem; font-size: 0.78rem; color: var(--text-soft);
  display: flex; gap: 0.5rem; align-items: center;
}
.bottombar .sep { opacity: 0.5; }
.pageheader h1 { font-size: 1.6rem; margin: 0 0 0.25rem; }
.pageheader .lead, .pageheader .muted-inline { margin: 0 0 1.25rem; color: var(--text-soft); font-size: .92rem; }
@media (max-width: 620px) { .topbar { gap: 1rem; padding: .55rem .9rem; } .main { padding: 1rem .9rem 5rem; } }
}

@layer komponenten {
.btn {
  display: inline-block; background: var(--surface); border: 1px solid var(--border); color: var(--text);
  padding: 0.45rem 0.95rem; border-radius: 6px; font-size: 0.88rem; font-weight: 500;
  cursor: pointer; text-decoration: none;
}
.btn:hover { background: #eef1f5; text-decoration: none; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { background: #174d89; }
.alert { padding: .6rem .9rem; border-radius: 6px; margin: 0 0 1rem; border: 1px solid var(--border); background: var(--surface); }
.alert.error { border-color: rgba(179,69,46,.5); background: #fbeeea; color: #7a2a18; }
input[type="text"], textarea, select {
  font: inherit; color: var(--text); background: var(--surface);
  border: 1px solid var(--border); border-radius: 5px; padding: .35rem .5rem;
}
}

@layer seiten {
/* === Aufgaben-Kanban (/kanban) — übernommen vom mbc-portal ================ */
.kanban-board { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: .9rem; align-items: start; }
.kanban-col { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: .75rem .75rem .9rem; box-shadow: var(--shadow); min-width: 0; }
.kanban-col--user { border-top: 3px solid var(--accent); }
.kanban-col--done { opacity: .85; }
.kanban-col.kanban-drop-ziel { outline: 2px dashed var(--accent); outline-offset: 2px; }
.kanban-col-head { display: flex; align-items: baseline; justify-content: space-between; gap: .5rem; }
.kanban-col-head h2 { margin: 0; font-size: 1rem; }
.kanban-count { color: var(--text-soft); font-size: .85rem; font-variant-numeric: tabular-nums; }
.kanban-hint { margin: .15rem 0 .6rem; color: var(--text-soft); font-size: .78rem; }
.kanban-cards { display: flex; flex-direction: column; gap: .55rem; min-height: 2rem; }
.kanban-leer { color: var(--text-soft); text-align: center; padding: .6rem 0; }
.kanban-card { border: 1px solid var(--border); border-left-width: 4px; border-radius: 6px; padding: .5rem .6rem .55rem; background: var(--bg); }
.kanban-card[draggable] { cursor: grab; }
.kanban-card.kanban-dragging { opacity: .5; }
.kanban-card.prio-1 { border-left-color: var(--danger); }
.kanban-card.prio-2 { border-left-color: #b07a18; }
.kanban-card.prio-3 { border-left-color: var(--border); }
.kanban-card h3 { margin: .25rem 0 .15rem; font-size: .92rem; line-height: 1.3; }
/* white-space: pre-line — Checklisten in detail behalten ihre Zeilen (test/kanban.test.js) */
.kanban-card p { margin: 0; font-size: .8rem; color: var(--text-soft); line-height: 1.45; white-space: pre-line; }
.kanban-card-top { display: flex; gap: .45rem; align-items: center; flex-wrap: wrap; }
.kanban-block { font-size: .68rem; font-weight: 700; padding: .05rem .4rem; border-radius: 3px; background: var(--accent-soft); color: var(--accent); }
.kanban-prio { font-size: .68rem; color: var(--text-soft); font-weight: 600; }
.kanban-owner { font-size: .68rem; font-weight: 700; color: var(--success); background: #e2efe7; padding: .05rem .4rem; border-radius: 3px; }
.kanban-userkarte { font-size: .68rem; font-weight: 600; color: #6d4cc4; background: rgba(109,76,196,.12); padding: .05rem .4rem; border-radius: 3px; }
.kanban-wartet { margin-top: .3rem; font-style: italic; }
.kanban-stempel { margin-top: .3rem; font-size: .7rem; color: var(--text-soft); }
@media (max-width: 1440px) { .kanban-board { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 900px)  { .kanban-board { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 620px)  { .kanban-board { grid-template-columns: 1fr; } }

/* --- Kanban: Aufgabennummer + Kopier-Chip (klick = Referenz in Zwischenablage) --- */
.kanban-ref {
  font: 700 .68rem/1.4 ui-monospace, Consolas, monospace;
  color: var(--accent); background: transparent;
  border: 1px solid currentColor; border-radius: 3px;
  padding: .02rem .35rem; cursor: copy; margin-right: .1rem;
}
.kanban-ref:hover { background: var(--accent); color: #fff; }
.kanban-ref.kopiert { color: var(--success); background: transparent; }

/* --- Kanban: Anmerkungen (Farbe/Markierung/Notiz) --- */
.kanban-card.kf-gelb    { border-left: 3px solid #d4a017; background: rgba(212,160,23,.09); }
.kanban-card.kf-blau    { border-left: 3px solid #1d6fb8; background: rgba(29,111,184,.09); }
.kanban-card.kf-gruen   { border-left: 3px solid #1f8a4c; background: rgba(31,138,76,.09); }
.kanban-card.kf-rot     { border-left: 3px solid #c0392b; background: rgba(192,57,43,.09); }
.kanban-card.kf-violett { border-left: 3px solid #6d4cc4; background: rgba(109,76,196,.09); }
.kanban-marker { font: 600 .68rem/1.4 ui-monospace, Consolas, monospace; background: rgba(127,127,127,.14); border-radius: 3px; padding: .05rem .4rem; }
.kanban-notiz { margin-top: .35rem; padding: .3rem .5rem; border-radius: 4px; background: rgba(212,160,23,.12); border-left: 2px solid #d4a017; white-space: pre-wrap; }
.kanban-edit-spacer { flex: 1; }
.kanban-edit summary, .kanban-neu summary { list-style: none; cursor: pointer; opacity: .5; padding: 0 .2rem; user-select: none; }
.kanban-edit summary::-webkit-details-marker, .kanban-neu summary::-webkit-details-marker { display: none; }
.kanban-edit[open] summary, .kanban-edit summary:hover, .kanban-neu[open] summary, .kanban-neu summary:hover { opacity: 1; }
.kanban-edit[open] { flex-basis: 100%; }
.kanban-edit-form, .kanban-move-form { display: grid; gap: .4rem; margin-top: .45rem; }
.kanban-move-form { grid-template-columns: 1fr auto; }
.kanban-edit-form input[type="text"], .kanban-edit-form textarea { width: 100%; font-size: .8rem; padding: .3rem .4rem; }
.kanban-farben { display: flex; gap: .35rem; align-items: center; }
.kanban-swatch {
  position: relative; width: 1.35rem; height: 1.35rem; border-radius: 4px; cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid rgba(127,127,127,.4); font-size: .7rem;
}
.kanban-swatch.kf-gelb    { background: #d4a017; }
.kanban-swatch.kf-blau    { background: #1d6fb8; }
.kanban-swatch.kf-gruen   { background: #1f8a4c; }
.kanban-swatch.kf-rot     { background: #c0392b; }
.kanban-swatch.kf-violett { background: #6d4cc4; }
.kanban-swatch input { position: absolute; opacity: 0; }
.kanban-swatch:has(input:checked) { outline: 2px solid var(--accent); outline-offset: 1px; }

/* --- Kanban: Session-Start-Button (Deep-Link claude-cli://) --- */
.kanban-start { font-size: .72rem; line-height: 1.4; text-decoration: none; color: var(--success); border: 1px solid currentColor; border-radius: 3px; padding: .02rem .35rem; }
.kanban-start:hover { background: var(--success); color: #fff; text-decoration: none; }

/* --- Kanban: Neuanlage im Spaltenkopf --- */
.kanban-neu { position: relative; }
.kanban-neu summary { font-weight: 700; font-size: 1rem; }
.kanban-neu-form { display: grid; gap: .4rem; margin-top: .4rem; }
.kanban-neu-form input[type="text"], .kanban-neu-form textarea { width: 100%; font-size: .8rem; }
.kanban-neu-zeile { display: flex; gap: .35rem; flex-wrap: wrap; }
.kanban-neu-zeile select { font-size: .78rem; flex: 1 1 5rem; min-width: 0; }
}

@layer seiten {
/* --- Kanban: Meilenstein-Legende über dem Board --- */
.kanban-legende { display: flex; flex-wrap: wrap; gap: .35rem 1rem; margin: -0.5rem 0 1rem; font-size: .78rem; color: var(--text-soft); }
.kanban-legende strong { color: var(--accent); }
}

@layer komponenten {
/* --- Formulare + Karten (Login, Konto, Start) — Kanban #17 --- */
.pageheader.schmal { max-width: 34rem; }
.form { display: grid; gap: .8rem; margin: 0 0 1rem; }
.field { display: grid; gap: .3rem; font-size: .9rem; }
.field input { width: 100%; font-size: 1rem; padding: .55rem .6rem; }
.form .btn { justify-self: start; }
.dl { display: grid; grid-template-columns: max-content 1fr; gap: .35rem 1rem; margin: 0 0 1rem; font-size: .95rem; }
.dl dt { color: var(--text-soft); }
.dl dd { margin: 0; overflow-wrap: anywhere; }
.karten { display: grid; grid-template-columns: repeat(auto-fill, minmax(14rem, 1fr)); gap: .8rem; margin-top: 1rem; }
.karte { display: grid; gap: .25rem; padding: .9rem 1rem; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); color: var(--text); text-decoration: none; box-shadow: var(--shadow); }
.karte:hover { text-decoration: none; border-color: var(--accent); }
.karte span { font-size: .85rem; color: var(--text-soft); }
.userbox { font-size: .85rem; color: var(--text-soft); }
@media (max-width: 620px) { .userbox { display: none; } }
}