/* style.css - Kompletní designový systém pro studijní portál obecné patologie */

:root {
  /* Barevná paleta - Tmavý režim (výchozí) */
  --bg-primary: #0b0f19;
  --bg-secondary: #131b2e;
  --bg-tertiary: #1e294b;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --primary-light: rgba(59, 130, 246, 0.1);
  --border: rgba(255, 255, 255, 0.08);
  --shadow: rgba(0, 0, 0, 0.3);
  
  /* Stavy Leitnerových krabiček */
  --color-box1: #ef4444; /* Červená - Denně */
  --color-box2: #f97316; /* Oranžová - Obden */
  --color-box3: #eab308; /* Žlutá - 5 dní */
  --color-box4: #22c55e; /* Zelená - 10 dní */
  
  --bg-box1: rgba(239, 68, 68, 0.1);
  --bg-box2: rgba(249, 115, 22, 0.1);
  --bg-box3: rgba(234, 179, 8, 0.1);
  --bg-box4: rgba(34, 197, 94, 0.1);
  
  /* Ostatní stylové konstanty */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --font-display: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Světelný režim */
body.light-theme {
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f1f5f9;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-light: rgba(37, 99, 235, 0.08);
  --border: rgba(15, 23, 42, 0.08);
  --shadow: rgba(0, 0, 0, 0.05);
  
  --bg-box1: rgba(239, 68, 68, 0.07);
  --bg-box2: rgba(249, 115, 22, 0.07);
  --bg-box3: rgba(234, 179, 8, 0.07);
  --bg-box4: rgba(34, 197, 94, 0.07);
}

/* Základní reset a nastavení */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.5;
  overflow-x: hidden;
  transition: background-color 0.4s ease, color 0.4s ease;
  padding-bottom: 2rem;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
}

/* Hlavní kontejner */
.app-container {
  max-width: 1300px;
  margin: 0 auto;
  padding: 1.5rem;
}

*:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* Hlavička */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.brand-icon {
  background: linear-gradient(135deg, var(--primary), #a855f7);
  color: #fff;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.brand-text h1 {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-text span {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 0.75rem 1rem;
  flex-wrap: wrap;
}

/* Tlačítka */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.6rem 1.2rem;
  border-radius: var(--radius-md);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  border: none;
  cursor: pointer;
  transition: var(--transition);
}

.btn-primary {
  background-color: var(--primary);
  color: #fff;
  box-shadow: 0 4px 10px rgba(59, 130, 246, 0.2);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background-color: var(--border);
  transform: translateY(-1px);
}

.btn-game {
  background: linear-gradient(135deg, #10b981, #059669);
  color: #fff;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.25);
}

.btn-game:hover {
  filter: brightness(1.1);
  transform: translateY(-2px);
}

/* Přepínač motivu */
.theme-toggle-btn {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  color: var(--text-primary);
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.theme-toggle-btn:hover {
  border-color: var(--primary);
  background-color: var(--primary-light);
}

body.dark-theme .sun-icon { display: block; }
body.dark-theme .moon-icon { display: none; }
body.light-theme .sun-icon { display: none; }
body.light-theme .moon-icon { display: block; }

.sun-icon, .moon-icon {
  width: 20px;
  height: 20px;
}

/* Dashboard */
.dashboard {
  margin-bottom: 2rem;
}

.dashboard-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr 1fr;
  gap: 1.25rem;
}

@media (max-width: 1024px) {
  .dashboard-grid {
    grid-template-columns: 1fr;
  }
}

.stat-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 150px;
  box-shadow: 0 4px 20px var(--shadow);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.stat-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
}

.stat-total::after { background: var(--primary); }
.stat-boxes-card::after { background: linear-gradient(180deg, var(--color-box1), var(--color-box4)); }
.stat-due::after { background: var(--color-box3); }

.stat-label {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
}

.stat-value {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1.1;
  margin: 0.5rem 0;
}

.stat-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Kruhový a liniový progress bar */
.progress-bar-container {
  background-color: var(--bg-tertiary);
  height: 6px;
  border-radius: 3px;
  overflow: hidden;
  margin: 0.5rem 0;
}

.progress-bar {
  background: linear-gradient(90deg, var(--primary), #a855f7);
  height: 100%;
  border-radius: 3px;
  transition: width 0.8s cubic-bezier(0.1, 0.8, 0.25, 1);
}

/* Leitnerova vizualizace */
.boxes-container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.box-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0.6rem 0.4rem;
  border-radius: var(--radius-sm);
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.box-badge {
  font-size: 0.65rem;
  font-family: var(--font-display);
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 4px;
  margin-bottom: 0.25rem;
}

.box-count {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
}

.box-sub {
  font-size: 0.65rem;
  color: var(--text-muted);
}

.box-1 .box-badge { background-color: var(--bg-box1); color: var(--color-box1); }
.box-2 .box-badge { background-color: var(--bg-box2); color: var(--color-box2); }
.box-3 .box-badge { background-color: var(--bg-box3); color: var(--color-box3); }
.box-4 .box-badge { background-color: var(--bg-box4); color: var(--color-box4); }

.box-1 { border-color: rgba(239, 68, 68, 0.15); }
.box-2 { border-color: rgba(249, 115, 22, 0.15); }
.box-3 { border-color: rgba(234, 179, 8, 0.15); }
.box-4 { border-color: rgba(34, 197, 94, 0.15); }

/* Kód pro tlačítko k opakování */
.btn-due {
  width: 100%;
  margin-top: 0.5rem;
  background-color: var(--bg-tertiary);
  border-color: var(--color-box3);
  color: var(--text-primary);
}

.btn-due:hover {
  background-color: var(--bg-box3);
  color: var(--color-box3);
  transform: translateY(-2px);
}

/* Filtry */
.filter-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1rem;
  margin-bottom: 2rem;
  gap: 1.5rem;
  box-shadow: 0 4px 15px var(--shadow);
}

@media (max-width: 768px) {
  .filter-bar {
    flex-direction: column;
    align-items: stretch;
  }
}

.search-wrapper {
  position: relative;
  flex: 1;
}

.search-icon {
  position: absolute;
  left: 0.9rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

.search-input {
  width: 100%;
  padding: 0.65rem 1rem 0.65rem 2.5rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  transition: var(--transition);
}

.search-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

.filter-groups {
  display: flex;
  gap: 1.25rem;
}

@media (max-width: 600px) {
  .filter-groups {
    flex-direction: column;
  }
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.filter-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  white-space: nowrap;
}

.select-custom {
  padding: 0.6rem 1rem;
  border-radius: var(--radius-md);
  background-color: var(--bg-primary);
  border: 1px solid var(--border);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.85rem;
  cursor: pointer;
  transition: var(--transition);
}

.select-custom:focus {
  outline: none;
  border-color: var(--primary);
}

/* Grid karet */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}

/* Karta otázky */
.question-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 190px;
  box-shadow: 0 4px 15px var(--shadow);
  transition: all 0.3s cubic-bezier(0.1, 0.8, 0.25, 1);
  position: relative;
  overflow: hidden;
}

.question-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.5rem;
  gap: 0.5rem;
}

.card-id {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--text-muted);
  background-color: var(--bg-tertiary);
  padding: 2px 8px;
  border-radius: 4px;
  text-transform: uppercase;
}

.card-box-indicator {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.card-box-indicator.b-1 { background-color: var(--color-box1); box-shadow: 0 0 6px var(--color-box1); }
.card-box-indicator.b-2 { background-color: var(--color-box2); box-shadow: 0 0 6px var(--color-box2); }
.card-box-indicator.b-3 { background-color: var(--color-box3); box-shadow: 0 0 6px var(--color-box3); }
.card-box-indicator.b-4 { background-color: var(--color-box4); box-shadow: 0 0 6px var(--color-box4); }

.card-title {
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.35;
  color: var(--text-primary);
  margin-bottom: 1rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
  border-top: 1px solid var(--border);
  padding-top: 0.75rem;
}

.card-section {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted);
  max-width: 60%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.due-badge {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 700;
  background-color: var(--bg-box3);
  color: var(--color-box3);
  padding: 2px 8px;
  border-radius: 6px;
  border: 1px solid rgba(234, 179, 8, 0.2);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.05); }
  100% { transform: scale(1); }
}

/* DIALOG DETAIL OTÁZKY */
.detail-dialog {
  border: none;
  border-radius: var(--radius-lg);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  max-width: 900px;
  width: 90%;
  height: 85vh;
  margin: auto;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  overflow: hidden;
}

.detail-dialog::backdrop {
  background-color: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
}

.dialog-content {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.dialog-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 1.5rem 2rem 1rem 2rem;
  border-bottom: 1px solid var(--border);
  background-color: var(--bg-secondary);
}

.dialog-title-area {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.dialog-section {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--primary);
  letter-spacing: 0.05em;
}

.dialog-title {
  font-size: 1.4rem;
  font-weight: 700;
  line-height: 1.25;
}

.dialog-close-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.25rem;
  border-radius: 50%;
  transition: var(--transition);
}

.dialog-close-btn:hover {
  background-color: var(--border);
  color: var(--text-primary);
}

/* Záložky */
.dialog-tabs {
  display: flex;
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  padding: 0 2rem;
}

.tab-btn {
  background: transparent;
  border: none;
  border-bottom: 3px solid transparent;
  color: var(--text-secondary);
  padding: 1rem 1.5rem;
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.tab-btn:hover {
  color: var(--text-primary);
}

.tab-btn.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

/* Tělo dialogu */
.dialog-body {
  flex: 1;
  overflow-y: auto;
  padding: 2rem;
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

/* Učební text */
.study-content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.study-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}

.study-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
  border-left: 3px solid var(--primary);
  padding-left: 0.75rem;
}

.study-two-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

@media (max-width: 768px) {
  .study-two-cols {
    grid-template-columns: 1fr;
  }
}

/* Specifické karty patologického nálezu */
.highlight-macro {
  border-left: 4px solid var(--primary);
  background-color: var(--primary-light);
}

.highlight-micro {
  border-left: 4px solid #a855f7;
  background-color: rgba(168, 85, 247, 0.05);
}

.card-subtitle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.highlight-macro .card-subtitle { color: var(--primary); }
.highlight-micro .card-subtitle { color: #a855f7; }

.clinical-significance {
  border-left: 4px solid #10b981;
  background-color: rgba(16, 185, 129, 0.05);
}
.clinical-significance h3 {
  border-left-color: #10b981;
}

/* Ovládací prvky pro Leitnerův systém v detailu */
.spaced-repetition-controls {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.spaced-repetition-controls h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 1rem;
  text-align: center;
  color: var(--text-secondary);
}

.leitner-btn-group {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  max-width: 600px;
  margin: 0 auto;
}

@media (max-width: 480px) {
  .leitner-btn-group {
    grid-template-columns: 1fr;
  }
}

.leitner-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0.75rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background-color: var(--bg-secondary);
  cursor: pointer;
  transition: var(--transition);
}

.leitner-btn .btn-icon {
  font-size: 1.3rem;
  margin-bottom: 0.25rem;
}

.leitner-btn .btn-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
}

.leitner-btn .btn-sub {
  font-size: 0.7rem;
  color: var(--text-muted);
}

.l-btn-wrong:hover {
  background-color: var(--bg-box1);
  border-color: var(--color-box1);
}
.l-btn-wrong:hover .btn-text { color: var(--color-box1); }

.l-btn-good:hover {
  background-color: var(--bg-box2);
  border-color: var(--color-box2);
}
.l-btn-good:hover .btn-text { color: var(--color-box2); }

.l-btn-perfect:hover {
  background-color: var(--bg-box4);
  border-color: var(--color-box4);
}
.l-btn-perfect:hover .btn-text { color: var(--color-box4); }

/* KVÍZ */
.quiz-wrapper {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.quiz-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
}

.quiz-question {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
  line-height: 1.35;
}

.quiz-options {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.quiz-option {
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  text-align: left;
  font-family: var(--font-body);
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
}

.quiz-option:hover {
  border-color: var(--primary);
  background-color: var(--primary-light);
}

.quiz-option.correct {
  background-color: var(--bg-box4) !important;
  border-color: var(--color-box4) !important;
  color: var(--color-box4) !important;
  font-weight: 600;
}

.quiz-option.incorrect {
  background-color: var(--bg-box1) !important;
  border-color: var(--color-box1) !important;
  color: var(--color-box1) !important;
}

.quiz-explanation {
  margin-top: 1.25rem;
  padding: 1rem;
  border-radius: var(--radius-md);
  background-color: var(--bg-tertiary);
  border-left: 4px solid var(--primary);
  font-size: 0.85rem;
  animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(5px); }
  to { opacity: 1; transform: translateY(0); }
}

/* DIALOG PŘIŘAZOVAČKY */
.game-dialog {
  border: none;
  border-radius: var(--radius-lg);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  max-width: 950px;
  width: 95%;
  height: 85vh;
  margin: auto;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  overflow: hidden;
}

.game-dialog::backdrop {
  background-color: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(6px);
}

.game-content {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.game-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--border);
  background-color: var(--bg-secondary);
}

.game-header-text h2 {
  font-size: 1.4rem;
  font-weight: 800;
  background: linear-gradient(135deg, #10b981, #3b82f6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.game-header-text p {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.game-close-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.25rem;
  border-radius: 50%;
  transition: var(--transition);
}

.game-close-btn:hover {
  background-color: var(--border);
  color: var(--text-primary);
}

.game-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  padding: 1.5rem 2rem;
  justify-content: space-between;
}

.game-board {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin: auto 0;
}

@media (max-width: 768px) {
  .game-board {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
}

.game-column {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.game-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  align-items: center;
  min-height: 75px;
  font-size: 0.85rem;
  font-weight: 500;
  box-shadow: 0 2px 8px var(--shadow);
}

.game-card:hover {
  border-color: var(--primary);
  transform: scale(1.01);
}

/* Výběry ve hře */
.game-card.selected {
  background-color: var(--primary-light);
  border-color: var(--primary);
  box-shadow: 0 0 10px rgba(59, 130, 246, 0.2);
}

.game-card.matched {
  background-color: var(--bg-box4);
  border-color: var(--color-box4);
  color: var(--color-box4);
  opacity: 0.6;
  pointer-events: none;
  transform: scale(0.97);
}

.game-card.wrong {
  background-color: var(--bg-box1);
  border-color: var(--color-box1);
  color: var(--color-box1);
  animation: shake 0.4s ease;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-6px); }
  75% { transform: translateX(6px); }
}

.game-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 1.5rem;
  border-top: 1px solid var(--border);
  padding-top: 1rem;
}

.game-stats {
  display: flex;
  gap: 1.5rem;
}

.game-stat-item {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.text-rose { color: #f43f5e; }
.text-amber { color: var(--color-box3); }

/* Užitečné třídy a animace */
.text-center { text-align: center; }

/* Custom Scrollbary */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* Type-in questions styling */
.quiz-type-in-container {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.quiz-type-in-input {
  flex: 1;
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.9rem;
  transition: var(--transition);
}

.quiz-type-in-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

.quiz-type-in-submit {
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius-md);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
}

.quiz-type-in-feedback {
  margin-top: 0.75rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  animation: fadeIn 0.4s ease;
}

.quiz-type-in-feedback.correct {
  background-color: var(--bg-box4);
  border: 1px solid var(--color-box4);
  color: var(--color-box4);
}

.quiz-type-in-feedback.incorrect {
  background-color: var(--bg-box1);
  border: 1px solid var(--color-box1);
  color: var(--color-box1);
}

/* Eponymous Names Styles */
.btn-game-eponyms {
  background: linear-gradient(135deg, #f59e0b, #d97706) !important;
  color: #fff !important;
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.25) !important;
}

.btn-game-eponyms:hover {
  filter: brightness(1.1);
  transform: translateY(-2px);
}

.card-eponyms-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: 0.5rem;
  margin-bottom: 0.5rem;
}

.card-eponym-badge {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.15rem 0.4rem;
  background-color: rgba(245, 158, 11, 0.1);
  color: #f59e0b;
  border: 1px solid rgba(245, 158, 11, 0.2);
  border-radius: 4px;
  cursor: help;
}

.study-eponyms {
  border-left: 4px solid #f59e0b !important;
  background-color: rgba(245, 158, 11, 0.05) !important;
}

.study-eponyms h3 {
  border-left-color: #f59e0b !important;
}

.eponym-item {
  margin-top: 0.5rem;
  padding: 0.75rem;
  background-color: rgba(245, 158, 11, 0.08);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(245, 158, 11, 0.2);
}

.eponym-name {
  font-weight: 700;
  color: #f59e0b;
  margin-bottom: 0.25rem;
}

.eponym-def {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* ==========================================================================
   PROHLÍŽEČ PREPARÁTŮ (SLIDE VIEWER) STYLY
   ========================================================================== */

.preparaty-dialog {
  width: 95vw;
  max-width: 1400px;
  height: 90vh;
  max-height: 900px;
  background-color: var(--bg-primary);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  color: var(--text-primary);
  padding: 0;
  box-shadow: var(--shadow-xl), 0 0 40px rgba(168, 85, 247, 0.15);
  overflow: hidden;
}

.preparaty-dialog::backdrop {
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(8px);
}

.preparaty-content {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.preparaty-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--border);
  background-color: var(--bg-secondary);
}

.preparaty-header h2 {
  font-size: 1.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, #c084fc 0%, #a855f7 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.25rem;
}

.preparaty-header p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.preparaty-close-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
  padding: 0.5rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.preparaty-close-btn:hover {
  background-color: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
}

.preparaty-body {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* Sidebar seznamu */
.preparaty-sidebar {
  width: 360px;
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  background-color: var(--bg-secondary);
}

.preparaty-search-wrapper {
  padding: 1.25rem;
  position: relative;
  display: flex;
  align-items: center;
}

.preparaty-search-wrapper .search-icon {
  position: absolute;
  left: 2.25rem;
  color: var(--text-secondary);
  pointer-events: none;
}

.preparaty-search-wrapper input {
  width: 100%;
  padding: 0.75rem 1rem 0.75rem 2.75rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.9rem;
  transition: var(--transition);
}

.preparaty-search-wrapper input:focus {
  outline: none;
  border-color: #a855f7;
  box-shadow: 0 0 10px rgba(168, 85, 247, 0.2);
}

.preparaty-filter-tabs {
  display: flex;
  padding: 0 1.25rem 1rem 1.25rem;
  gap: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.prep-tab {
  flex: 1;
  padding: 0.4rem 0.25rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 6px;
  border: 1px solid var(--border);
  background-color: var(--bg-primary);
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
}

.prep-tab:hover {
  color: var(--text-primary);
  border-color: var(--text-secondary);
}

.prep-tab.active {
  background-color: #a855f7;
  border-color: #a855f7;
  color: #ffffff;
}

.preparaty-list {
  flex: 1;
  overflow-y: auto;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* Karta v seznamu */
.preparaty-list-card {
  padding: 1rem;
  background-color: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.preparaty-list-card:hover {
  border-color: rgba(168, 85, 247, 0.4);
  box-shadow: 0 4px 12px rgba(168, 85, 247, 0.08);
  transform: translateY(-2px);
}

.preparaty-list-card.active {
  border-color: #a855f7;
  background-color: rgba(168, 85, 247, 0.05);
  box-shadow: 0 4px 12px rgba(168, 85, 247, 0.12);
}

.preparaty-list-card h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.preparaty-card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.prep-badge {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  text-transform: uppercase;
}

.prep-badge.zkouskovy {
  background-color: rgba(168, 85, 247, 0.15);
  color: #c084fc;
  border: 1px solid rgba(168, 85, 247, 0.3);
}

.prep-badge.nezkouskovy {
  background-color: rgba(100, 116, 139, 0.15);
  color: #94a3b8;
  border: 1px solid rgba(100, 116, 139, 0.3);
}

.preparaty-card-meta span.img-count {
  font-size: 0.75rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

/* Detailní pohled */
.preparaty-viewer-area {
  flex: 1;
  overflow-y: auto;
  background-color: var(--bg-primary);
  display: flex;
  flex-direction: column;
  position: relative;
}

.preparaty-no-selection {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--text-secondary);
  padding: 3rem;
  text-align: center;
}

.preparaty-viewer-content {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.preparaty-detail-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1.5rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 1.25rem;
}

.preparaty-title-box {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.5rem;
}

.preparaty-title-box h3 {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

.btn-link-question {
  flex-shrink: 0;
  font-size: 0.85rem;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(168, 85, 247, 0.3);
  color: #c084fc;
}

.btn-link-question:hover {
  background-color: rgba(168, 85, 247, 0.08);
  border-color: #a855f7;
}

/* Carousel */
.preparaty-carousel {
  position: relative;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  height: 480px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.2);
}

.carousel-track-container {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem;
}

.carousel-track-container img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  cursor: zoom-in;
  transition: transform 0.3s ease;
  border-radius: 4px;
}

.carousel-track-container img:hover {
  transform: scale(1.01);
}

.carousel-control {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background-color: rgba(10, 10, 10, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #ffffff;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  z-index: 10;
}

.carousel-control:hover {
  background-color: rgba(168, 85, 247, 0.8);
  border-color: #a855f7;
  box-shadow: 0 0 10px rgba(168, 85, 247, 0.5);
}

.carousel-control.prev { left: 1rem; }
.carousel-control.next { right: 1rem; }

.carousel-counter {
  position: absolute;
  bottom: 1rem;
  left: 50%;
  transform: translateX(-50%);
  background-color: rgba(10, 10, 10, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  color: #ffffff;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  z-index: 10;
}

.carousel-zoom-hint {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background-color: rgba(10, 10, 10, 0.65);
  padding: 0.3rem 0.6rem;
  border-radius: 6px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.7rem;
  pointer-events: none;
  z-index: 10;
}

/* Popis / Karta s histologií */
.preparaty-description-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
}

.preparaty-description-card h4 {
  font-size: 1.1rem;
  font-weight: 700;
  color: #c084fc;
  margin-bottom: 0.75rem;
  border-left: 3px solid #a855f7;
  padding-left: 0.75rem;
}

.preparaty-description-card p {
  line-height: 1.6;
  font-size: 0.95rem;
  color: var(--text-secondary);
  white-space: pre-line;
}

/* Lightbox zoom */
.preparaty-lightbox {
  display: none;
  position: fixed;
  z-index: 2000;
  padding-top: 50px;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(5, 5, 5, 0.95);
  backdrop-filter: blur(12px);
}

.lightbox-content {
  margin: auto;
  display: block;
  max-width: 90%;
  max-height: 85%;
  object-fit: contain;
  border-radius: var(--radius-md);
  box-shadow: 0 0 30px rgba(0, 0, 0, 0.5);
  animation: zoomIn 0.25s cubic-bezier(0.1, 0.8, 0.25, 1);
}

@keyframes zoomIn {
  from { transform: scale(0.9); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 35px;
  color: #f1f1f1;
  font-size: 40px;
  font-weight: bold;
  transition: 0.3s;
  cursor: pointer;
}

.lightbox-close:hover {
  color: #a855f7;
  text-decoration: none;
}

.lightbox-caption {
  margin: auto;
  display: block;
  width: 80%;
  max-width: 700px;
  text-align: center;
  color: #ccc;
  padding: 15px 0;
  font-size: 1.1rem;
  font-weight: 600;
}

/* Tlačítko v detailu otázky */
.btn-open-preparat-from-card {
  margin-top: 1rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.25rem;
  background: linear-gradient(135deg, rgba(168, 85, 247, 0.15) 0%, rgba(124, 58, 237, 0.15) 100%);
  border: 1px solid rgba(168, 85, 247, 0.4);
  border-radius: var(--radius-md);
  color: #c084fc;
  font-weight: 600;
  font-size: 0.88rem;
  cursor: pointer;
  transition: var(--transition);
}

.btn-open-preparat-from-card:hover {
  background: linear-gradient(135deg, rgba(168, 85, 247, 0.25) 0%, rgba(124, 58, 237, 0.25) 100%);
  border-color: #a855f7;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(168, 85, 247, 0.15);
}

/* Responsive */
@media (max-width: 900px) {
  .preparaty-body {
    flex-direction: column;
  }
  .preparaty-sidebar {
    width: 100%;
    height: 300px;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
  .preparaty-dialog {
    width: 100vw;
    height: 100vh;
    max-height: 100vh;
    border-radius: 0;
  }
  .preparaty-carousel {
    height: 320px;
  }
  .preparaty-detail-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }
  .btn-link-question {
    width: 100%;
    text-align: center;
  }
}

.btn-prep-star {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-muted, #64748b);
  cursor: pointer;
  padding: 0.15rem;
  line-height: 1;
  transition: transform 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275), color 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-prep-star:hover {
  transform: scale(1.2);
  color: #eab308;
}

.btn-prep-star.active {
  color: #eab308;
  filter: drop-shadow(0 0 4px rgba(234, 179, 8, 0.4));
}

/* ==========================================
   GEMINI CHATBOT WIDGET STYLES
   ========================================== */
:root {
  --chat-context-color: var(--color-primary, #00FFC2);
  --chat-context-glow: rgba(0, 255, 194, 0.25);
  --chat-context-gradient: linear-gradient(135deg, #0d9488, #00FFC2);
}

.gemini-chatbot-container.context-patola {
  --chat-context-color: #00FFC2;
  --chat-context-glow: rgba(0, 255, 194, 0.25);
  --chat-context-gradient: linear-gradient(135deg, #0d9488, #00FFC2);
}

.gemini-chatbot-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 1000;
}

/* Floating Action Button (FAB) */
.chatbot-fab {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--bg-tertiary, #1c1b1b);
  border: 1px solid var(--chat-context-color);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4), 0 0 15px var(--chat-context-glow);
  color: var(--text-primary, #e5e2e1);
  font-size: 28px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.chatbot-fab:hover {
  transform: scale(1.08) translateY(-2px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5), 0 0 25px var(--chat-context-color);
}

.chatbot-fab:active {
  transform: scale(0.95);
}

.fab-icon {
  display: inline-block;
  transition: transform 0.3s ease;
}

.chatbot-fab.open .fab-icon {
  transform: rotate(90deg);
}

.pulse-badge {
  position: absolute;
  top: 0;
  right: 0;
  width: 14px;
  height: 14px;
  background-color: var(--chat-context-color);
  border-radius: 50%;
  border: 2px solid var(--bg-primary, #131313);
  display: none;
}

/* Chat Panel */
.chatbot-panel {
  position: absolute;
  bottom: 80px;
  right: 0;
  width: 380px;
  height: 580px;
  max-height: calc(100vh - 120px);
  background: rgba(28, 27, 27, 0.94);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-color, rgba(255, 255, 255, 0.08));
  border-top: 3px solid var(--chat-context-color);
  border-radius: 16px;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.6), 0 0 20px rgba(0, 0, 0, 0.2);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
  transform: translateY(20px) scale(0.95);
  transform-origin: bottom right;
  transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1), transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.chatbot-panel.open {
  opacity: 1;
  pointer-events: auto;
  transform: none;
}

/* Header */
.chatbot-header {
  padding: 16px 20px;
  background: rgba(20, 20, 20, 0.8);
  border-bottom: 1px solid var(--border-color, rgba(255, 255, 255, 0.08));
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.chatbot-title-area {
  display: flex;
  align-items: center;
  gap: 12px;
}

.chatbot-avatar-container {
  position: relative;
  width: 38px;
  height: 38px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color, rgba(255, 255, 255, 0.08));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}

.avatar-status-dot {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 2px solid var(--bg-primary, #131313);
}

.avatar-status-dot.online {
  background-color: #10b981;
}

.avatar-status-dot.typing {
  background-color: var(--chat-context-color);
  animation: pulse 1s infinite alternate;
}

.chatbot-info {
  display: flex;
  flex-direction: column;
}

.chatbot-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary, #e5e2e1);
  margin: 0;
  letter-spacing: 0.5px;
}

.chatbot-status {
  font-size: 0.75rem;
  color: var(--text-secondary, #b9cacb);
  font-weight: 400;
}

.chatbot-header-actions {
  display: flex;
  gap: 8px;
}

.chatbot-header-btn {
  background: transparent;
  border: none;
  color: var(--text-muted, #849495);
  cursor: pointer;
  padding: 4px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.chatbot-header-btn:hover {
  color: var(--text-primary, #e5e2e1);
  background: rgba(255, 255, 255, 0.05);
}

/* Settings Overlay */
.chatbot-settings-overlay {
  position: absolute;
  top: 70px;
  left: 0;
  width: 100%;
  height: calc(100% - 70px);
  background: rgba(24, 23, 23, 0.95);
  backdrop-filter: blur(10px);
  z-index: 10;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.chatbot-settings-overlay.open {
  transform: translateX(0);
}

.chatbot-settings-overlay h5 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary, #e5e2e1);
  margin-bottom: 4px;
}

.chatbot-settings-overlay p {
  font-size: 0.8rem;
  color: var(--text-secondary, #b9cacb);
  line-height: 1.4;
}

.settings-input-group {
  display: flex;
  gap: 8px;
}

.chatbot-settings-overlay input {
  flex-grow: 1;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color, rgba(255, 255, 255, 0.08));
  border-radius: 6px;
  padding: 8px 12px;
  color: var(--text-primary, #e5e2e1);
  font-size: 0.85rem;
}

.chatbot-settings-overlay input:focus {
  outline: none;
  border-color: var(--chat-context-color);
}

.chatbot-settings-overlay button {
  padding: 8px 16px;
  font-size: 0.8rem;
  border-radius: 6px;
  cursor: pointer;
}

.chatbot-settings-close {
  margin-top: auto;
  background: transparent;
  border: 1px solid var(--border-color, rgba(255, 255, 255, 0.08));
  color: var(--text-primary, #e5e2e1);
  padding: 10px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 500;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.chatbot-settings-close:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--text-muted, #849495);
}

/* Messages List */
.chatbot-messages {
  flex-grow: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  scroll-behavior: smooth;
}

.chatbot-messages::-webkit-scrollbar {
  width: 4px;
}

.chatbot-messages::-webkit-scrollbar-track {
  background: transparent;
}

.chatbot-messages::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
}

/* Message Bubbles */
.message {
  display: flex;
  flex-direction: column;
  max-width: 82%;
  animation: messageFadeIn 0.3s ease-out;
}

.message-content {
  padding: 12px 16px;
  border-radius: 14px;
  font-size: 0.85rem;
  line-height: 1.45;
  word-break: break-word;
}

.message.assistant {
  align-self: flex-start;
}

.message.assistant .message-content {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color, rgba(255, 255, 255, 0.08));
  color: var(--text-primary, #e5e2e1);
  border-bottom-left-radius: 3px;
}

.message.assistant .message-content p {
  margin-bottom: 8px;
}
.message.assistant .message-content p:last-child {
  margin-bottom: 0;
}
.message.assistant .message-content ul, 
.message.assistant .message-content ol {
  margin-left: 16px;
  margin-bottom: 8px;
}
.message.assistant .message-content li {
  margin-bottom: 4px;
}
.message.assistant .message-content strong {
  color: var(--chat-context-color);
}

.message.user {
  align-self: flex-end;
}

.message.user .message-content {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-right: 3px solid var(--chat-context-color);
  color: var(--text-primary, #e5e2e1);
  border-bottom-right-radius: 3px;
}

.message.system {
  align-self: center;
  max-width: 90%;
}

.message.system .message-content {
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.2);
  color: #ffb4ab;
  text-align: center;
  font-size: 0.8rem;
  border-radius: 8px;
}

/* Typing Indicator */
.chatbot-typing-indicator {
  padding: 12px 18px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color, rgba(255, 255, 255, 0.08));
  border-radius: 14px;
  border-bottom-left-radius: 3px;
  align-self: flex-start;
  display: none;
  align-items: center;
  gap: 5px;
  margin-left: 20px;
  margin-bottom: 12px;
}

.chatbot-typing-indicator.active {
  display: flex;
}

.chatbot-typing-indicator .dot {
  width: 6px;
  height: 6px;
  background-color: var(--text-muted, #849495);
  border-radius: 50%;
  animation: typingBounce 1.4s infinite ease-in-out both;
}

.chatbot-typing-indicator .dot:nth-child(1) {
  animation-delay: -0.32s;
}

.chatbot-typing-indicator .dot:nth-child(2) {
  animation-delay: -0.16s;
}

/* Suggestion Chips */
.chatbot-suggestions {
  display: flex;
  gap: 8px;
  padding: 0 20px 12px 20px;
  overflow-x: auto;
  scrollbar-width: none;
}

.chatbot-suggestions::-webkit-scrollbar {
  display: none;
}

.suggestion-chip {
  flex-shrink: 0;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color, rgba(255, 255, 255, 0.08));
  color: var(--text-secondary, #b9cacb);
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.suggestion-chip:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--chat-context-color);
  border-color: var(--chat-context-color);
  transform: translateY(-1px);
}

/* Input Area */
.chatbot-input-area {
  padding: 16px 20px;
  background: rgba(20, 20, 20, 0.85);
  border-top: 1px solid var(--border-color, rgba(255, 255, 255, 0.08));
  display: flex;
  gap: 10px;
  align-items: center;
}

.chatbot-input-area input {
  flex-grow: 1;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color, rgba(255, 255, 255, 0.08));
  color: var(--text-primary, #e5e2e1);
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 0.85rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.chatbot-input-area input:focus {
  outline: none;
  border-color: var(--chat-context-color);
  box-shadow: 0 0 10px var(--chat-context-glow);
}

.chatbot-input-area button {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  background: var(--bg-tertiary, #1c1b1b);
  border: 1px solid var(--border-color, rgba(255, 255, 255, 0.08));
  color: var(--text-muted, #849495);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.chatbot-input-area button:hover {
  background: var(--chat-context-gradient);
  border-color: transparent;
  color: #131313;
  box-shadow: 0 0 10px var(--chat-context-glow);
}

.chatbot-input-area button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

@keyframes messageFadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes typingBounce {
  0%, 80%, 100% { transform: scale(0); }
  40% { transform: scale(1.0); }
}

@keyframes pulse {
  from {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 var(--chat-context-glow);
  }
  to {
    transform: scale(1.05);
    box-shadow: 0 0 0 4px rgba(255, 255, 255, 0);
  }
}

@media (max-width: 450px) {
  .chatbot-panel {
    right: -10px;
    bottom: 74px;
    width: calc(100vw - 28px);
    height: 500px;
  }
}
}

/* Doplňující podrobnosti a všechny nádory */
.additional-info-card {
  border-left: 4px solid var(--primary);
  background-color: var(--primary-light);
  padding: 0 !important; /* Reset padding for button stretching */
  overflow: hidden;
  margin-top: 1.5rem;
}

.additional-info-toggle {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  text-align: left;
  cursor: pointer;
  transition: background-color 0.2s;
}

.additional-info-toggle:hover {
  background-color: rgba(59, 130, 246, 0.08);
}

.additional-info-toggle .toggle-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--primary);
}

.additional-info-toggle .toggle-icon {
  font-size: 0.8rem;
  color: var(--text-muted);
  transition: transform 0.3s ease;
}

.additional-info-toggle.expanded .toggle-icon {
  transform: rotate(180deg);
}

.additional-info-content {
  padding: 1.25rem;
  border-top: 1px solid var(--border);
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-secondary);
  background-color: var(--bg-secondary);
  animation: slideDown 0.3s cubic-bezier(0.1, 0.8, 0.25, 1);
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-5px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Styl pro tlačítko "Poslední záchrana" v záhlaví */
.btn-survival-kit {
  background: linear-gradient(135deg, #f59e0b 0%, #ea580c 100%);
  color: #fff !important;
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.25);
  text-decoration: none;
}

.btn-survival-kit:hover {
  filter: brightness(1.1);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(245, 158, 11, 0.35);
}

/* --- FEEDBACK FAB & MODAL DIALOG --- */

/* Floating Action Button (FAB) for Feedback */
.feedback-fab {
  position: fixed;
  bottom: 24px;
  left: 24px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--bg-tertiary, #1f2937);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  color: var(--text-primary, #f9fafb);
  font-size: 24px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 999;
}

.feedback-fab:hover {
  transform: scale(1.08) translateY(-2px);
  border-color: #a855f7;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5), 0 0 15px rgba(168, 85, 247, 0.3);
}

.feedback-fab:active {
  transform: scale(0.95);
}

.feedback-fab-icon {
  display: inline-block;
  transition: transform 0.3s ease;
}

.feedback-fab:hover .feedback-fab-icon {
  transform: rotate(15deg);
}

/* Feedback Dialog Modal */
.feedback-modal {
  border: none;
  background: transparent;
  padding: 0;
  max-width: 500px;
  width: 90%;
  border-radius: 20px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  margin: 0;
  z-index: 1010;
}

/* Backdrop for dialog */
.feedback-modal::backdrop {
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

/* Modal Content Container */
.feedback-dialog-content {
  background: rgba(17, 24, 39, 0.9); /* Sleek dark mode bg */
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  padding: 28px;
  color: #f3f4f6;
  font-family: inherit;
  box-sizing: border-box;
}

/* Header style */
.feedback-dialog-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding-bottom: 12px;
}

.feedback-dialog-header h3 {
  margin: 0;
  font-size: 20px;
  font-weight: 600;
  background: linear-gradient(135deg, #fff 0%, #d8b4fe 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.feedback-close-btn {
  background: transparent;
  border: none;
  color: #9ca3af;
  cursor: pointer;
  padding: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.2s ease, transform 0.2s ease;
  border-radius: 6px;
}

.feedback-close-btn:hover {
  color: #f3f4f6;
  background: rgba(255, 255, 255, 0.05);
  transform: scale(1.05);
}

/* Form layouts */
.feedback-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 14px;
  font-weight: 500;
  color: #d1d5db;
}

/* Custom inputs matching portal's style */
.select-custom, .input-custom, .textarea-custom {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  padding: 12px 14px;
  color: #fff;
  font-family: inherit;
  font-size: 15px;
  transition: all 0.2s ease;
  outline: none;
}

.select-custom option {
  background: #111827;
  color: #fff;
}

.select-custom:focus, .input-custom:focus, .textarea-custom:focus {
  border-color: #a855f7;
  background: rgba(255, 255, 255, 0.07);
  box-shadow: 0 0 0 3px rgba(168, 85, 247, 0.2);
}

.textarea-custom {
  resize: vertical;
  min-height: 100px;
  max-height: 200px;
  line-height: 1.5;
}

.char-count {
  align-self: flex-end;
  font-size: 11px;
  color: #9ca3af;
  margin-top: 2px;
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 8px;
}

.form-actions button {
  padding: 12px 24px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  background: linear-gradient(135deg, #a855f7 0%, #7c3aed 100%);
  border: none;
  border-radius: 10px;
  color: #fff;
  box-shadow: 0 4px 12px rgba(168, 85, 247, 0.2);
  transition: all 0.2s ease;
}

.form-actions button:hover {
  filter: brightness(1.1);
  transform: translateY(-1px);
}

/* Status overlays */
.feedback-status-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 30px 10px;
  animation: feedbackFadeIn 0.3s ease forwards;
}

@keyframes feedbackFadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.feedback-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(168, 85, 247, 0.1);
  border-top-color: #a855f7;
  border-radius: 50%;
  animation: feedbackSpin 1s linear infinite;
  margin-bottom: 16px;
}

@keyframes feedbackSpin {
  to { transform: rotate(360deg); }
}

.status-icon {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  font-weight: bold;
  margin-bottom: 16px;
}

.status-icon.success {
  background: rgba(16, 185, 129, 0.1);
  color: #10b981;
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.status-icon.error {
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
  border: 1px solid rgba(239, 68, 68, 0.2);
}

/* Responsive adjustment for Mobile screens for feedback dialog */
@media (max-width: 550px) {
  .feedback-modal {
    width: 95%;
  }
  .feedback-dialog-content {
    padding: 20px;
  }
  .feedback-fab {
    bottom: 16px;
    left: 16px;
    width: 48px;
    height: 48px;
    font-size: 20px;
  }
}

/* Modální panel / Slide-over */
dialog.slide-over {
  border: none;
  background: none;
  width: 100%;
  max-width: 800px;
  height: 100vh;
  max-height: 100vh;
  margin: 0 0 0 auto; /* Zarovnání vpravo */
  padding: 0;
  box-shadow: var(--shadow-xl);
  outline: none;
  transform: translateX(100%);
  transition: transform var(--transition-slow) allow-discrete, display var(--transition-slow) allow-discrete;
}

dialog.slide-over[open] {
  transform: translateX(0);
}

@starting-style {
  dialog.slide-over[open] {
    transform: translateX(100%);
  }
}

dialog::backdrop {
  background-color: rgba(15, 23, 42, 0.4);
  backdrop-filter: blur(8px);
  transition: opacity var(--transition-normal) allow-discrete;
}

.modal-content {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.modal-header {
  padding: 24px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
}

.modal-title-area {
  flex: 1;
}

.modal-category {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 6px;
}

.modal-title {
  font-size: 1.4rem;
  line-height: 1.3;
}

.modal-close-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-secondary);
  padding: 8px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--transition-fast);
}

.modal-close-btn:hover {
  background-color: var(--bg-tertiary);
}

.modal-body {
  padding: 24px;
  overflow-y: auto;
  flex: 1;
}

/* --- Support Button Styling (Buy me a Monster) --- */
footer {
  text-align: center;
  padding: 40px 0;
  margin-top: 80px;
  color: var(--text-muted);
  font-size: 0.85rem;
  border-top: 1px solid var(--border);
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

@media (min-width: 768px) {
  .footer-content {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.footer-content p {
  margin: 0;
}

.support-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px;
  border-radius: 12px;
  font-size: 0.8rem;
  font-weight: 600;
  text-decoration: none;
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.2);
  color: #34d399;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  cursor: pointer;
  user-select: none;
  box-shadow: 0 2px 8px rgba(16, 185, 129, 0.02);
}

.support-btn:hover {
  background: rgba(16, 185, 129, 0.16);
  border-color: rgba(52, 211, 153, 0.5);
  color: #6ee7b7;
  transform: translateY(-1px) scale(1.02);
  box-shadow: 0 4px 16px rgba(16, 185, 129, 0.1);
}

.support-icon {
  width: 18px;
  height: 18px;
  color: #34d399;
  transition: color 0.3s ease;
  flex-shrink: 0;
}

.support-btn:hover .support-icon {
  color: #6ee7b7;
}