/* CortexOne Portal – Basis-Layout & Komponenten. Framework-frei. */

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font);
  background: radial-gradient(1200px 600px at 70% -10%, rgba(129,140,248,0.14), transparent 60%), var(--bg);
  color: var(--text);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: 880px; margin: 0 auto; padding: var(--sp-3); }
.wrap-wide { max-width: 1080px; }

/* Topbar */
.topbar {
  display: flex; align-items: center; gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-3);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 10;
  backdrop-filter: var(--glass-blur);
  background: color-mix(in srgb, var(--bg) 70%, transparent);
}
.topbar .brand { font-weight: 700; letter-spacing: -0.02em; display: flex; align-items: center; gap: 8px; }
.topbar .brand .dot { width: 12px; height: 12px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2)); box-shadow: 0 0 16px var(--accent-glow); }
.topbar nav { margin-left: auto; display: flex; gap: var(--sp-2); flex-wrap: wrap; }
.topbar nav a { color: var(--muted); font-size: 0.92rem; padding: 6px 10px; border-radius: var(--r-sm); }
.topbar nav a.active, .topbar nav a:hover { color: var(--text); background: var(--card); text-decoration: none; }

.theme-toggle { background: var(--card); border: 1px solid var(--border); color: var(--text);
  border-radius: var(--r-sm); padding: 6px 10px; cursor: pointer; font-size: 0.85rem; }

/* R16: Sitzungs-Status immer sichtbar — angemeldet (grün) vs. Demo (Hinweis-Link). */
.session-chip { font-size: 0.8rem; padding: 6px 10px; border-radius: var(--r-sm);
  color: var(--ok); border: 1px solid var(--border); align-self: center; }
.session-chip.is-demo { color: var(--warn); }
.session-chip.is-demo:hover { text-decoration: none; background: var(--card); }

/* R16: H/Z-Umschalter über dem Übungs-Hub + „Bald"-Karten. */
.variant-switch { display: flex; align-items: center; gap: var(--sp-2);
  margin-bottom: var(--sp-3); flex-wrap: wrap; }
.variant-switch .theme-toggle.active { border-color: var(--accent);
  color: var(--accent); background: var(--accent-glow); }
.card-soon { opacity: 0.62; }

/* Karten */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  box-shadow: var(--shadow);
  backdrop-filter: var(--glass-blur);
  padding: var(--sp-3);
  margin-bottom: var(--sp-3);
}
.card h2 { margin: 0 0 var(--sp-2); font-size: 1.1rem; letter-spacing: -0.01em; }
.muted { color: var(--muted); }
.small { font-size: 0.85rem; }
.pill { display: inline-block; font-size: 0.72rem; padding: 3px 9px; border-radius: 999px;
  border: 1px solid var(--border); color: var(--muted); }
.pill.warn { color: var(--warn); border-color: color-mix(in srgb, var(--warn) 40%, transparent); }

h1 { letter-spacing: -0.03em; }
.lede { color: var(--muted); max-width: 60ch; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border: 1px solid var(--border); background: var(--card-solid); color: var(--text);
  border-radius: var(--r-md); padding: 12px 18px; font: inherit; font-weight: 600;
  cursor: pointer; transition: transform 0.08s ease, background 0.15s ease;
}
.btn:hover { text-decoration: none; }
.btn:active { transform: scale(0.98); }
.btn.primary { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #0b0b12; border: none; }
.btn.primary:disabled { opacity: 0.5; cursor: not-allowed; }
.btn.ghost { background: transparent; }

/* Grids */
.grid { display: grid; gap: var(--sp-3); }
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 700px) { .grid.cols-2, .grid.cols-3 { grid-template-columns: 1fr; } }

/* Stat-Kacheln */
.stat { text-align: left; }
.stat .num { font-size: 1.8rem; font-weight: 700; letter-spacing: -0.02em; }
.stat .lbl { color: var(--muted); font-size: 0.85rem; }
.bar { height: 8px; border-radius: 999px; background: color-mix(in srgb, var(--muted) 25%, transparent); overflow: hidden; }
.bar > span { display: block; height: 100%; background: linear-gradient(90deg, var(--accent), var(--accent-2)); }

/* Tabellen */
.table-scroll { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: 0.9rem; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { color: var(--muted); font-weight: 600; }

/* Hinweiszeile (Datensparsamkeit) */
.notice { font-size: 0.82rem; color: var(--muted); border-top: 1px solid var(--border);
  padding-top: var(--sp-2); margin-top: var(--sp-3); }

.footer { color: var(--muted); font-size: 0.8rem; text-align: center; padding: var(--sp-4) 0; }

.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 6px; }

/* P2: [hidden] muss auch gegen Klassen-Display gewinnen (Login-Flow-Zustände). */
[hidden] { display: none !important; }
.status-ok { color: var(--accent); }
.status-error { color: #d05a5a; }

/* ------------------------------------------------------------------ */
/* R15-P6.4: wiederkehrende Muster als Klassen statt Inline-Styles.    */

/* Karten als Links (Startseite, Übungs-Hub) */
a.card { display: block; }

/* Formular-Eingaben (Login) */
.input {
  width: 100%; padding: 12px; border-radius: 12px;
  border: 1px solid var(--border); background: var(--card-solid);
  color: var(--text); margin: 6px 0 12px; font: inherit;
}
.w-full { width: 100%; }
.field-label { display: block; margin-top: 12px; }
.block-link { display: block; text-align: center; margin: 10px 0; }

/* Zwei-Spalten-Zeile (Label links, Wert rechts) */
.row-between { display: flex; justify-content: space-between; gap: 8px; }

/* Fähigkeits-Zeilen (Dashboard) */
.skill-row { margin: 12px 0; }
.skill-row .row-between { font-size: 0.9rem; }
.skill-row .bar { margin-top: 6px; }

/* Wochen-Balkendiagramm (Dashboard/Plan) */
.week-chart { display: flex; align-items: flex-end; gap: 10px; height: 120px; margin-top: 8px; }
.week-col { flex: 1; text-align: center; }
.week-col .week-bar {
  min-height: 2px; border-radius: 8px 8px 2px 2px;
  background: linear-gradient(180deg, var(--accent), var(--accent-2));
}
.week-col .lbl { margin-top: 6px; }

/* Plan-Blöcke (Heute-Liste) */
.plan-block { border-left: 3px solid var(--accent); padding: 8px 0 8px 12px; margin: 10px 0; }
.plan-block.bms { border-left-color: var(--accent-2); }

/* R27: Block-hinzufügen-Steuerung */
.plan-add { margin-top: var(--sp-4, 20px); padding-top: var(--sp-3, 12px); border-top: 1px solid var(--border, rgba(128,128,128,0.2)); }
.plan-add h3 { margin: 0 0 var(--sp-2, 8px); }
.plan-add-select { padding: 6px 10px; border-radius: 8px; border: 1px solid var(--border, rgba(128,128,128,0.35)); background: var(--surface, transparent); color: inherit; font: inherit; }

/* Vergleichs-Balken (geplant vs. erledigt) */
.bar.compare { margin-top: 5px; position: relative; }
.bar.compare .planned { opacity: 0.35; }
.bar.compare .done { position: absolute; left: 0; top: 0; bottom: 0; }

/* Button-Zeile */
.btn-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 16px; }

/* R15-P6.3: breite SVGs scrollen am Handy statt unlesbar zu schrumpfen. */
.svg-scroll { overflow-x: auto; width: 100%; -webkit-overflow-scrolling: touch; }
.svg-scroll svg { display: block; height: auto; margin: 0 auto; }

/* Ladezustand (bis JS echte Daten rendert) */
.loading { color: var(--muted); font-size: 0.9rem; }

/* Übungs-Hub-Kartenkopf */
.hub-head { display: flex; align-items: center; gap: 8px; }
.hub-head h2 { margin: 0; }
.hub-desc { margin: 8px 0 0; }
.hub-progress { margin: 10px 0 0; }
.login-card { max-width: 440px; }

/* R25-C: Übungs-Kategorien-Überschriften (KFF/TV/SEK/Prüfung). */
.hub-cat { margin: var(--sp-5, 24px) 0 var(--sp-2, 8px); }
.hub-cat:first-child { margin-top: 0; }
.hub-cat-title { margin: 0; font-size: 1.05rem; letter-spacing: -0.01em; }
.hub-cat-hint { margin: 4px 0 0; max-width: 60ch; }
.hub-cat + .grid { margin-top: var(--sp-3, 12px); }

/* ------------------------------------------------------------------ */
/* ADR-0017: Plan-Einstellungen (einzige Schreib-UI) + Web-AGB-Banner. */

.settings-body.is-locked { opacity: 0.55; pointer-events: none; }
.settings-field { margin: var(--sp-2) 0; }
.settings-field .field-label { margin: 0 0 6px; }
.stepper { display: flex; align-items: center; gap: 8px; }
.stepper .input { width: 110px; margin: 0; text-align: center; }
.stepper-btn { min-width: 40px; font-size: 1rem; }
.save-row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-top: var(--sp-2); }
.settings-lock-note { margin: var(--sp-2) 0 0; }
.settings-sync-hint { margin: var(--sp-2) 0 0; border-top: 1px solid var(--border); padding-top: var(--sp-2); }

/* R22-P2/S1.2: zentriertes Zustimmungs-Modal statt Rand-Banner. */
.modal-backdrop {
  position: fixed; inset: 0; z-index: 40;
  display: flex; align-items: center; justify-content: center;
  padding: var(--sp-3);
  background: color-mix(in srgb, var(--bg) 62%, transparent);
  backdrop-filter: blur(6px);
}
.modal-card {
  max-width: 460px; width: 100%; margin: 0;
  background: var(--card-solid);
  max-height: calc(100vh - 2 * var(--sp-3)); overflow-y: auto;
}
.terms-links { display: flex; flex-direction: column; gap: 6px; margin: var(--sp-2) 0; }
.terms-check { display: flex; align-items: flex-start; gap: 8px; margin: var(--sp-2) 0; }
.terms-check input { margin-top: 4px; }
.terms-actions { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-top: 10px; }
.terms-actions .btn.primary { flex: 1 1 auto; }

/* R22-P2/S1.1: Konto & Daten (Löschbereich) — Warnfarbe nur hier. */
.btn.danger { background: transparent; border-color: color-mix(in srgb, var(--bad) 55%, transparent); color: var(--bad); }
.btn.danger:hover { background: color-mix(in srgb, var(--bad) 12%, transparent); }
.danger-zone { border-color: color-mix(in srgb, var(--bad) 30%, var(--border)); }
.danger-zone h2 { color: var(--bad); }

/* R22-P2/S2.1: Statistik-Bausteine. */
.range-note { font-variant-numeric: tabular-nums; }
.trend-up { color: var(--ok); }
.trend-down { color: var(--bad); }
.trend-flat { color: var(--muted); }
.spark-chart { display: flex; align-items: flex-end; gap: 4px; height: 90px; margin-top: 8px; }
.spark-col { flex: 1; display: flex; flex-direction: column; justify-content: flex-end; height: 100%; }
.spark-col .spark-bar { min-height: 2px; border-radius: 6px 6px 2px 2px;
  background: linear-gradient(180deg, var(--accent), var(--accent-2)); }
.spark-labels { display: flex; justify-content: space-between; margin-top: 4px; }

/* R23-P3 / R24-P3: KI-Coach-Chat im Web — iPhone-naher Bubble-Look. */
.coach-chat { display: flex; flex-direction: column; gap: 12px; }
.chat-list { display: flex; flex-direction: column; gap: 12px; max-height: 60vh;
  overflow-y: auto; padding: 6px 2px; scroll-behavior: smooth; }
.chat-bubble { max-width: 82%; padding: 9px 13px; border-radius: 18px;
  border: 1px solid var(--border); background: var(--card);
  box-shadow: 0 1px 2px rgba(0, 0, 0, .05); }
.chat-bubble.coach { align-self: flex-start; border-bottom-left-radius: 6px; }
.chat-bubble.me { align-self: flex-end; border-bottom-right-radius: 6px;
  border-color: transparent; color: #fff;
  background: linear-gradient(135deg, var(--accent),
    color-mix(in srgb, var(--accent) 75%, #7c5cff)); }
.chat-bubble.me .chat-role { color: rgba(255, 255, 255, .82); }
.chat-bubble.me .chat-text { white-space: pre-wrap; }
.chat-role { margin-bottom: 3px; font-weight: 600; }
.chat-text { line-height: 1.5; overflow-wrap: anywhere; }
/* Sichere Markdown-Darstellung der Coach-Antworten (markdown.js). */
.chat-text .md > :first-child { margin-top: 0; }
.chat-text .md > :last-child { margin-bottom: 0; }
.chat-text .md p { margin: 0 0 8px; }
.chat-text .md ul, .chat-text .md ol { margin: 6px 0 8px; padding-left: 20px; }
.chat-text .md li { margin: 2px 0; }
.chat-text .md strong { font-weight: 700; }
.chat-text .md code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: .9em; padding: 1px 5px; border-radius: 6px;
  background: color-mix(in srgb, var(--text) 10%, transparent); }
.chat-bubble.me .chat-text .md code { background: rgba(255, 255, 255, .22); }
/* R24-P3: KI-Hilfe in den Übungen (Erklärung/Hinweis). */
.ki-help { margin-top: 12px; display: flex; flex-direction: column; gap: 8px; }
.ki-help-btn { align-self: flex-start; }
.ki-help-panel { display: flex; flex-direction: column; gap: 10px; padding: 12px;
  border: 1px solid var(--border); border-radius: 14px;
  background: color-mix(in srgb, var(--accent) 5%, var(--card)); }
.ki-reply .chat-role { margin-bottom: 3px; font-weight: 600; }
.ki-reply .chat-text { line-height: 1.5; }
.ki-you { align-self: flex-end; }
.ki-followup { display: flex; gap: 8px; }
.ki-followup .input { flex: 1; }
.ki-thinking { margin: 0; }

/* R24-P4: BMS-Stichwortliste. */
.bms-subject { border-top: 1px solid var(--border); }
.bms-subject > summary { cursor: pointer; padding: 10px 2px; list-style: none;
  display: flex; align-items: baseline; gap: 6px; }
.bms-subject > summary::-webkit-details-marker { display: none; }
.bms-subject > summary::before { content: "▸"; color: var(--muted); font-size: .8em; }
.bms-subject[open] > summary::before { content: "▾"; }
.bms-chapter { margin: 6px 0 12px 18px; }
.bms-chapter h4 { margin: 0 0 6px; font-size: .95rem; }
.bms-keywords { display: flex; flex-wrap: wrap; gap: 6px; }
.bms-chip { font-size: .8rem; }

.chat-actions { display: flex; flex-wrap: wrap; gap: 6px; align-self: flex-start; }
.chip { display: inline-block; padding: 4px 10px; border-radius: 999px; font-size: .85rem;
  border: 1px solid var(--border); background: var(--card); color: var(--text); text-decoration: none; }
a.chip:hover { border-color: var(--accent); }
.chat-input { display: flex; gap: 8px; align-items: flex-end; }
.chat-input .input { flex: 1; resize: vertical; min-height: 44px; }