/* =====================================================
   Feuerwehr Lernplattform – Hauptstylesheet
   Farbschema: Feuerwehr-Rot + Blau
   ===================================================== */

:root {
  --fw-rot:       #CC0000;
  --fw-rot-dark:  #990000;
  --fw-rot-light: #FF3333;
  --fw-blau:      #003380;
  --fw-blau-mid:  #0047AB;
  --fw-blau-light:#4A7FCC;
  --fw-gold:      #FFD700;
  --fw-hell:      #F8F9FA;
  --fw-grau:      #6C757D;
  --fw-border:    #DEE2E6;
  --fw-success:   #198754;
  --fw-danger:    #DC3545;
  --fw-shadow:    0 2px 12px rgba(0,0,0,0.12);
}

/* ---- Base ---- */
body {
  font-family: 'Segoe UI', Arial, sans-serif;
  background: #f0f2f5;
  min-height: 100vh;
  color: #212529;
}

/* ---- Navbar ---- */
.navbar-fw {
  background: linear-gradient(135deg, var(--fw-rot-dark) 0%, var(--fw-rot) 40%, var(--fw-blau) 100%);
  padding: 0.6rem 1rem;
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}
.navbar-fw .navbar-brand {
  color: #fff !important;
  font-weight: 700;
  font-size: 1.3rem;
  letter-spacing: 0.5px;
}
.navbar-fw .navbar-brand .fw-emblem {
  font-size: 1.5rem;
  margin-right: 0.4rem;
}
.navbar-fw .nav-link {
  color: rgba(255,255,255,0.88) !important;
  font-weight: 500;
  transition: color 0.2s;
}
.navbar-fw .nav-link:hover, .navbar-fw .nav-link.active {
  color: var(--fw-gold) !important;
}

/* ---- Hero / Page Header ---- */
.page-hero {
  background: linear-gradient(160deg, var(--fw-rot) 0%, var(--fw-blau) 100%);
  color: #fff;
  padding: 2.5rem 1rem 2rem;
  text-align: center;
}
.page-hero h1 { font-weight: 700; margin-bottom: 0.4rem; }
.page-hero p  { opacity: 0.9; margin: 0; }

/* ---- Cards ---- */
.card {
  border: none;
  border-radius: 12px;
  box-shadow: var(--fw-shadow);
  transition: transform 0.2s, box-shadow 0.2s;
}
.card:hover { transform: translateY(-3px); box-shadow: 0 6px 20px rgba(0,0,0,0.15); }

/* Modul-Cards auf index.html */
.modul-card {
  cursor: pointer;
  border-top: 4px solid var(--fw-rot);
}
.modul-card .modul-icon {
  font-size: 3rem;
  display: block;
  margin-bottom: 0.5rem;
}
.modul-card .badge-modul {
  background: var(--fw-rot);
  color: #fff;
  font-size: 0.75rem;
  padding: 0.3em 0.7em;
  border-radius: 20px;
}
.modul-card.coming-soon { opacity: 0.55; cursor: default; border-top-color: var(--fw-grau); }

/* Kategorie-Cards */
.kat-card {
  cursor: pointer;
  border-left: 5px solid var(--fw-rot);
  transition: border-color 0.2s, transform 0.2s;
}
.kat-card:hover { border-color: var(--fw-blau); }
.kat-card .kat-icon { font-size: 1.8rem; min-width: 2.5rem; text-align: center; }
.kat-card .kat-count {
  background: var(--fw-blau);
  color: #fff;
  border-radius: 20px;
  font-size: 0.78rem;
  padding: 0.2em 0.6em;
}

/* ---- Buttons ---- */
.btn-fw-rot {
  background: var(--fw-rot);
  border-color: var(--fw-rot);
  color: #fff;
  font-weight: 600;
}
.btn-fw-rot:hover {
  background: var(--fw-rot-dark);
  border-color: var(--fw-rot-dark);
  color: #fff;
}
.btn-fw-blau {
  background: var(--fw-blau);
  border-color: var(--fw-blau);
  color: #fff;
  font-weight: 600;
}
.btn-fw-blau:hover {
  background: var(--fw-blau-mid);
  border-color: var(--fw-blau-mid);
  color: #fff;
}

/* ---- Fragenbereich ---- */
.frage-card {
  border-radius: 14px;
  box-shadow: var(--fw-shadow);
}
.frage-header {
  background: linear-gradient(90deg, var(--fw-rot-dark), var(--fw-rot));
  color: #fff;
  border-radius: 14px 14px 0 0;
  padding: 1rem 1.25rem;
}
.frage-nr {
  font-size: 0.85rem;
  opacity: 0.85;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
}
.frage-text {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0;
}
.kategorie-badge {
  font-size: 0.75rem;
  background: rgba(255,255,255,0.2);
  border-radius: 20px;
  padding: 0.2em 0.7em;
}

/* ---- Antwort-Buttons ---- */
.antwort-btn {
  display: block;
  width: 100%;
  text-align: left;
  padding: 0.85rem 1rem;
  margin-bottom: 0.6rem;
  border: 2px solid var(--fw-border);
  border-radius: 10px;
  background: #fff;
  cursor: pointer;
  transition: all 0.18s;
  font-size: 0.97rem;
  line-height: 1.4;
}
.antwort-btn:hover:not(:disabled) {
  border-color: var(--fw-blau-light);
  background: #EEF3FB;
}
.antwort-btn .antwort-kuerzel {
  display: inline-block;
  width: 1.8rem;
  height: 1.8rem;
  line-height: 1.8rem;
  text-align: center;
  border-radius: 50%;
  background: var(--fw-border);
  font-weight: 700;
  font-size: 0.85rem;
  margin-right: 0.6rem;
  transition: background 0.18s;
  flex-shrink: 0;
}
.antwort-btn.selected {
  border-color: var(--fw-blau);
  background: #EEF3FB;
}
.antwort-btn.selected .antwort-kuerzel {
  background: var(--fw-blau);
  color: #fff;
}
.antwort-btn.richtig {
  border-color: var(--fw-success);
  background: #D1E7DD;
}
.antwort-btn.richtig .antwort-kuerzel {
  background: var(--fw-success);
  color: #fff;
}
.antwort-btn.falsch {
  border-color: var(--fw-danger);
  background: #F8D7DA;
}
.antwort-btn.falsch .antwort-kuerzel {
  background: var(--fw-danger);
  color: #fff;
}
.antwort-btn:disabled { cursor: default; }

/* Mehrantwort-Hinweis */
.mehrfach-badge {
  font-size: 0.78rem;
  background: var(--fw-blau);
  color: #fff;
  border-radius: 12px;
  padding: 0.2em 0.7em;
  margin-left: 0.5rem;
  vertical-align: middle;
}

/* ---- Tipp-Bereich ---- */
.tipp-box {
  border-left: 4px solid var(--fw-gold);
  background: #FFFBEA;
  border-radius: 0 8px 8px 0;
  padding: 0.8rem 1rem;
  margin-bottom: 0.5rem;
  font-size: 0.93rem;
}
.tipp-box .tipp-nr {
  font-weight: 700;
  color: #856404;
  margin-right: 0.4rem;
}

/* ---- Erklärung ---- */
.erklaerung-box {
  border-left: 4px solid var(--fw-blau);
  background: #EEF3FB;
  border-radius: 0 8px 8px 0;
  padding: 0.9rem 1rem;
  font-size: 0.93rem;
  line-height: 1.6;
}
.erklaerung-box .erkl-titel {
  font-weight: 700;
  color: var(--fw-blau);
  margin-bottom: 0.4rem;
}

/* ---- Quelle ---- */
.quelle-box {
  font-size: 0.8rem;
  color: var(--fw-grau);
  border-top: 1px solid var(--fw-border);
  padding-top: 0.6rem;
  margin-top: 0.6rem;
}
.quelle-box a { color: var(--fw-blau-mid); text-decoration: none; }
.quelle-box a:hover { text-decoration: underline; }

/* ---- Fortschrittsanzeige ---- */
.progress-fw {
  height: 8px;
  border-radius: 4px;
  background: var(--fw-border);
  overflow: hidden;
}
.progress-fw .progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--fw-rot), var(--fw-blau));
  transition: width 0.4s ease;
}
.progress-label {
  font-size: 0.82rem;
  color: var(--fw-grau);
}

/* ---- Ergebnis-Panel (Prüfung) ---- */
.ergebnis-card {
  border-top: 6px solid var(--fw-rot);
}
.ergebnis-score {
  font-size: 4rem;
  font-weight: 900;
  line-height: 1;
}
.ergebnis-score.bestanden { color: var(--fw-success); }
.ergebnis-score.nicht-bestanden { color: var(--fw-danger); }
.ergebnis-ring {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  border: 8px solid var(--fw-border);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  font-size: 2rem;
  font-weight: 900;
  position: relative;
}
.ergebnis-ring.bestanden {
  border-color: var(--fw-success);
  color: var(--fw-success);
}
.ergebnis-ring.nicht-bestanden {
  border-color: var(--fw-danger);
  color: var(--fw-danger);
}

/* Antwort-Auswertung in Ergebnis */
.antwort-auswertung {
  border-radius: 8px;
  border: 1px solid var(--fw-border);
  margin-bottom: 0.8rem;
  overflow: hidden;
}
.antwort-auswertung .aw-header {
  padding: 0.6rem 1rem;
  font-weight: 600;
  font-size: 0.92rem;
}
.antwort-auswertung.richtig .aw-header { background: #D1E7DD; color: #0A3622; }
.antwort-auswertung.falsch .aw-header  { background: #F8D7DA; color: #58151C; }
.antwort-auswertung .aw-body {
  padding: 0.6rem 1rem;
  font-size: 0.85rem;
  background: #fff;
}

/* ---- Sidebar Kategorien (Lernen) ---- */
.sidebar-kat {
  background: #fff;
  border-radius: 12px;
  box-shadow: var(--fw-shadow);
  padding: 0;
  overflow: hidden;
}
.sidebar-kat .kat-item {
  padding: 0.7rem 1rem;
  border-bottom: 1px solid var(--fw-border);
  cursor: pointer;
  transition: background 0.15s;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.sidebar-kat .kat-item:last-child { border-bottom: none; }
.sidebar-kat .kat-item:hover { background: #f0f2f5; }
.sidebar-kat .kat-item.aktiv {
  background: var(--fw-rot);
  color: #fff;
  font-weight: 600;
}
.sidebar-kat .kat-item .kat-prog {
  margin-left: auto;
  font-size: 0.75rem;
  opacity: 0.75;
}

/* ---- Timer (Prüfung) ---- */
.timer-display {
  font-size: 1.5rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--fw-blau);
}
.timer-display.critical { color: var(--fw-danger); animation: blink 1s infinite; }
@keyframes blink { 0%,100% { opacity:1; } 50% { opacity:0.4; } }

/* ---- Statistik-Kacheln ---- */
.stat-kachel {
  text-align: center;
  padding: 1rem;
  border-radius: 10px;
  background: var(--fw-hell);
}
.stat-kachel .stat-zahl {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1;
  display: block;
}
.stat-kachel .stat-label {
  font-size: 0.78rem;
  color: var(--fw-grau);
  margin-top: 0.2rem;
}
.stat-kachel.richtig .stat-zahl { color: var(--fw-success); }
.stat-kachel.falsch .stat-zahl  { color: var(--fw-danger); }
.stat-kachel.gesamt .stat-zahl  { color: var(--fw-blau); }

/* ---- Ladeanimation ---- */
.lade-spinner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3rem;
  color: var(--fw-grau);
}
.spinner-fw {
  width: 3rem;
  height: 3rem;
  border: 4px solid var(--fw-border);
  border-top-color: var(--fw-rot);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-bottom: 1rem;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---- Toast / Meldung ---- */
.fw-toast {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--fw-blau);
  color: #fff;
  padding: 0.7rem 1.5rem;
  border-radius: 25px;
  font-weight: 600;
  font-size: 0.9rem;
  z-index: 9999;
  box-shadow: 0 4px 16px rgba(0,0,0,0.2);
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}
.fw-toast.show { opacity: 1; }

/* ---- Footer ---- */
footer {
  background: var(--fw-blau);
  color: rgba(255,255,255,0.7);
  text-align: center;
  padding: 1.2rem;
  font-size: 0.82rem;
  margin-top: 3rem;
}
footer strong { color: #fff; }

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .page-hero { padding: 1.8rem 1rem 1.5rem; }
  .page-hero h1 { font-size: 1.5rem; }
  .frage-text { font-size: 1rem; }
  .antwort-btn { padding: 0.7rem 0.8rem; font-size: 0.92rem; }
  .ergebnis-ring { width: 90px; height: 90px; }
  .timer-display { font-size: 1.2rem; }
}

/* ---- Utility ---- */
.d-none { display: none !important; }
.cursor-pointer { cursor: pointer; }
.text-fw-rot  { color: var(--fw-rot) !important; }
.text-fw-blau { color: var(--fw-blau) !important; }
.bg-fw-rot  { background: var(--fw-rot) !important; }
.bg-fw-blau { background: var(--fw-blau) !important; }
.border-fw-rot  { border-color: var(--fw-rot) !important; }
.border-fw-blau { border-color: var(--fw-blau) !important; }

/* Checkbox-Styling (Mehrfachauswahl) */
.check-indicator {
  display: inline-block;
  width: 1.2rem;
  height: 1.2rem;
  border: 2px solid var(--fw-border);
  border-radius: 4px;
  margin-right: 0.4rem;
  vertical-align: middle;
  transition: all 0.15s;
  flex-shrink: 0;
}
.antwort-btn.selected .check-indicator {
  background: var(--fw-blau);
  border-color: var(--fw-blau);
}
.antwort-btn.richtig .check-indicator { background: var(--fw-success); border-color: var(--fw-success); }
.antwort-btn.falsch .check-indicator  { background: var(--fw-danger);  border-color: var(--fw-danger); }