/* ============================================
   SISTEMA DE TEMAS - UltraGaz 2026
   Acessibilidade WCAG 2.1 AA Compliant
   ============================================ */

/* ============================================
   TEMA 1: FUTURO CLARO
   Tons de azul suave, branco e prata
   Moderno, clean, profissional
   ============================================ */
[data-theme="light"], .theme-light {
  /* Backgrounds */
  --bg-base: #f8fafc;
  --bg-surface: #ffffff;
  --bg-elevated: #f1f5f9;
  --bg-card: rgba(255, 255, 255, 0.95);
  --bg-hover: rgba(59, 130, 246, 0.08);
  --bg-active: rgba(59, 130, 246, 0.12);
  
  /* Primary Colors - Azul Suave */
  --primary: #3b82f6;
  --primary-dark: #2563eb;
  --primary-light: #60a5fa;
  --primary-subtle: rgba(59, 130, 246, 0.1);
  --primary-glow: rgba(59, 130, 246, 0.25);
  
  /* Accent - Prata/Cinza Azulado */
  --accent: #64748b;
  --accent-light: #94a3b8;
  --accent-silver: #cbd5e1;
  
  /* Status Colors */
  --success: #10b981;
  --success-bg: rgba(16, 185, 129, 0.1);
  --warning: #f59e0b;
  --warning-bg: rgba(245, 158, 11, 0.1);
  --danger: #ef4444;
  --danger-bg: rgba(239, 68, 68, 0.1);
  --info: #0ea5e9;
  --info-bg: rgba(14, 165, 233, 0.1);
  
  /* Text - Alto Contraste */
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --text-inverse: #ffffff;
  --text-on-primary: #ffffff;
  
  /* Borders */
  --border-subtle: rgba(0, 0, 0, 0.06);
  --border-default: rgba(0, 0, 0, 0.1);
  --border-strong: rgba(0, 0, 0, 0.15);
  --border-focus: var(--primary);
  
  /* Glass Effect */
  --glass-bg: rgba(255, 255, 255, 0.8);
  --glass-border: rgba(0, 0, 0, 0.08);
  --glass-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
  
  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
  --shadow-hover: 0 8px 30px rgba(59, 130, 246, 0.15);
  
  /* Hover States - Acessiveis */
  --hover-bg: #e2e8f0;
  --hover-border: var(--primary);
  --hover-text: var(--text-primary);
  --hover-scale: 1.02;
  
  /* Focus Ring */
  --focus-ring: 0 0 0 3px rgba(59, 130, 246, 0.4);
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
  --gradient-surface: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  --gradient-card: linear-gradient(135deg, #ffffff 0%, #f1f5f9 100%);
}

/* ============================================
   TEMA 2: ENERGIA VIBRANTE
   Laranja, amarelo, toques de verde
   Energico, motivador, caloroso
   ============================================ */
[data-theme="vibrant"], .theme-vibrant {
  /* Backgrounds */
  --bg-base: #fffbeb;
  --bg-surface: #ffffff;
  --bg-elevated: #fef3c7;
  --bg-card: rgba(255, 255, 255, 0.95);
  --bg-hover: rgba(245, 158, 11, 0.1);
  --bg-active: rgba(245, 158, 11, 0.15);
  
  /* Primary Colors - Laranja */
  --primary: #f59e0b;
  --primary-dark: #d97706;
  --primary-light: #fbbf24;
  --primary-subtle: rgba(245, 158, 11, 0.1);
  --primary-glow: rgba(245, 158, 11, 0.3);
  
  /* Accent - Verde */
  --accent: #10b981;
  --accent-light: #34d399;
  --accent-silver: #6ee7b7;
  
  /* Status Colors */
  --success: #22c55e;
  --success-bg: rgba(34, 197, 94, 0.1);
  --warning: #eab308;
  --warning-bg: rgba(234, 179, 8, 0.1);
  --danger: #ef4444;
  --danger-bg: rgba(239, 68, 68, 0.1);
  --info: #06b6d4;
  --info-bg: rgba(6, 182, 212, 0.1);
  
  /* Text - Alto Contraste */
  --text-primary: #1c1917;
  --text-secondary: #57534e;
  --text-muted: #78716c;
  --text-inverse: #ffffff;
  --text-on-primary: #1c1917;
  
  /* Borders */
  --border-subtle: rgba(0, 0, 0, 0.06);
  --border-default: rgba(0, 0, 0, 0.1);
  --border-strong: rgba(0, 0, 0, 0.15);
  --border-focus: var(--primary);
  
  /* Glass Effect */
  --glass-bg: rgba(255, 251, 235, 0.9);
  --glass-border: rgba(245, 158, 11, 0.2);
  --glass-shadow: 0 4px 24px rgba(245, 158, 11, 0.1);
  
  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
  --shadow-hover: 0 8px 30px rgba(245, 158, 11, 0.2);
  
  /* Hover States */
  --hover-bg: #fef3c7;
  --hover-border: var(--primary);
  --hover-text: var(--text-primary);
  --hover-scale: 1.02;
  
  /* Focus Ring */
  --focus-ring: 0 0 0 3px rgba(245, 158, 11, 0.4);
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #f59e0b 0%, #ea580c 100%);
  --gradient-surface: linear-gradient(180deg, #ffffff 0%, #fffbeb 100%);
  --gradient-card: linear-gradient(135deg, #ffffff 0%, #fef3c7 100%);
}

/* ============================================
   TEMA 3: NOITE MODERNA
   Fundo escuro, cinza, azul neon
   Elegante, tech, futurista
   ============================================ */
[data-theme="dark"], .theme-dark {
  /* Backgrounds */
  --bg-base: #0a0a0f;
  --bg-surface: #12121a;
  --bg-elevated: #1a1a25;
  --bg-card: rgba(26, 26, 37, 0.9);
  --bg-hover: rgba(99, 102, 241, 0.12);
  --bg-active: rgba(99, 102, 241, 0.18);
  
  /* Primary Colors - Azul Neon */
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --primary-light: #818cf8;
  --primary-subtle: rgba(99, 102, 241, 0.15);
  --primary-glow: rgba(99, 102, 241, 0.4);
  
  /* Accent - Cyan Neon */
  --accent: #22d3ee;
  --accent-light: #67e8f9;
  --accent-silver: #a5f3fc;
  
  /* Status Colors */
  --success: #10b981;
  --success-bg: rgba(16, 185, 129, 0.15);
  --warning: #f59e0b;
  --warning-bg: rgba(245, 158, 11, 0.15);
  --danger: #ef4444;
  --danger-bg: rgba(239, 68, 68, 0.15);
  --info: #22d3ee;
  --info-bg: rgba(34, 211, 238, 0.15);
  
  /* Text - Alto Contraste em Fundo Escuro */
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --text-inverse: #0f172a;
  --text-on-primary: #ffffff;
  
  /* Borders */
  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-default: rgba(255, 255, 255, 0.1);
  --border-strong: rgba(255, 255, 255, 0.15);
  --border-focus: var(--primary);
  
  /* Glass Effect */
  --glass-bg: rgba(255, 255, 255, 0.03);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.6);
  --shadow-hover: 0 8px 30px rgba(99, 102, 241, 0.3);
  
  /* Hover States */
  --hover-bg: rgba(99, 102, 241, 0.15);
  --hover-border: var(--primary-light);
  --hover-text: var(--text-primary);
  --hover-scale: 1.02;
  
  /* Focus Ring */
  --focus-ring: 0 0 0 3px rgba(99, 102, 241, 0.5);
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%);
  --gradient-surface: linear-gradient(180deg, #12121a 0%, #0a0a0f 100%);
  --gradient-card: linear-gradient(135deg, rgba(26, 26, 37, 0.9) 0%, rgba(18, 18, 26, 0.95) 100%);
  
  /* Neon Effects */
  --neon-glow: 0 0 20px var(--primary-glow), 0 0 40px rgba(99, 102, 241, 0.2);
}

/* ============================================
   ESTILOS UNIVERSAIS - APLICAM A TODOS TEMAS
   Com Efeitos Hover Acessiveis
   ============================================ */

/* Base */
body {
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Scrollbar Adaptativa */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg-surface); }
::-webkit-scrollbar-thumb { background: var(--border-default); border-radius: 999px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

/* Cards com Hover Elegante */
.card, .panel {
  background: var(--bg-card) !important;
  border: 1px solid var(--border-default) !important;
  border-radius: 16px !important;
  box-shadow: var(--shadow-md) !important;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
  overflow: hidden;
}

.card:hover, .panel:hover {
  border-color: var(--primary) !important;
  box-shadow: var(--shadow-hover) !important;
  transform: translateY(-4px) scale(var(--hover-scale, 1));
}

.card-header, .panel-heading {
  background: var(--glass-bg) !important;
  border-bottom: 1px solid var(--border-subtle) !important;
  padding: 1rem 1.5rem !important;
}

.card-header h5, .card-header h4, .panel-title {
  color: var(--text-primary) !important;
  font-weight: 600 !important;
}

.card-block, .card-body, .panel-body {
  padding: 1.5rem !important;
  background: transparent !important;
}

/* ============================================
   BOTOES COM HOVER ACESSIVEL
   ============================================ */
.btn {
  border-radius: 10px !important;
  font-weight: 500 !important;
  padding: 0.6rem 1.25rem !important;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1) !important;
  border: 2px solid transparent !important;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s;
}

.btn:hover::before {
  left: 100%;
}

.btn-primary {
  background: var(--gradient-primary) !important;
  color: var(--text-on-primary) !important;
  box-shadow: 0 4px 15px var(--primary-glow) !important;
}

.btn-primary:hover {
  transform: translateY(-3px) !important;
  box-shadow: 0 8px 25px var(--primary-glow) !important;
  filter: brightness(1.1);
}

.btn-primary:focus {
  box-shadow: var(--focus-ring), 0 4px 15px var(--primary-glow) !important;
  outline: none !important;
}

.btn-success {
  background: linear-gradient(135deg, var(--success) 0%, #059669 100%) !important;
  color: white !important;
}

.btn-danger {
  background: linear-gradient(135deg, var(--danger) 0%, #dc2626 100%) !important;
  color: white !important;
}

.btn-warning {
  background: linear-gradient(135deg, var(--warning) 0%, #d97706 100%) !important;
  color: var(--text-inverse) !important;
}

.btn-outline-primary {
  background: transparent !important;
  border: 2px solid var(--primary) !important;
  color: var(--primary) !important;
}

.btn-outline-primary:hover {
  background: var(--primary) !important;
  color: var(--text-on-primary) !important;
  transform: translateY(-2px) !important;
}

/* ============================================
   FORMULARIOS COM HOVER E FOCUS DEFINIDOS
   ============================================ */
.form-control {
  background: var(--bg-elevated) !important;
  border: 2px solid var(--border-default) !important;
  border-radius: 10px !important;
  color: var(--text-primary) !important;
  padding: 0.75rem 1rem !important;
  transition: all 0.2s ease !important;
}

.form-control:hover {
  border-color: var(--accent) !important;
  background: var(--bg-surface) !important;
}

.form-control:focus {
  border-color: var(--primary) !important;
  background: var(--bg-surface) !important;
  box-shadow: var(--focus-ring) !important;
  outline: none !important;
}

.form-control::placeholder {
  color: var(--text-muted) !important;
}

select.form-control {
  cursor: pointer;
}

.form-group label {
  color: var(--text-secondary) !important;
  font-weight: 500 !important;
  margin-bottom: 0.5rem !important;
  font-size: 0.875rem !important;
}

/* ============================================
   TABELAS COM HOVER DE LINHA ACESSIVEL
   ============================================ */
.table {
  color: var(--text-primary) !important;
  border-collapse: separate !important;
  border-spacing: 0 !important;
}

.table thead th {
  background: var(--primary-subtle) !important;
  border-bottom: 2px solid var(--primary) !important;
  color: var(--text-primary) !important;
  font-weight: 600 !important;
  font-size: 0.8rem !important;
  text-transform: uppercase !important;
  letter-spacing: 0.5px !important;
  padding: 1rem !important;
  position: sticky;
  top: 0;
  z-index: 10;
}

.table tbody td {
  border-bottom: 1px solid var(--border-subtle) !important;
  padding: 1rem !important;
  vertical-align: middle !important;
  transition: all 0.15s ease !important;
}

.table tbody tr {
  transition: all 0.2s ease !important;
  cursor: pointer;
}

/* Hover de Linha - Bem Definido e Acessivel */
.table tbody tr:hover {
  background: var(--bg-hover) !important;
  transform: scale(1.005);
}

.table tbody tr:hover td {
  color: var(--text-primary) !important;
  border-color: var(--primary-subtle) !important;
}

/* Focus para navegacao por teclado */
.table tbody tr:focus {
  outline: 2px solid var(--primary);
  outline-offset: -2px;
}

.table-striped tbody tr:nth-of-type(odd) {
  background: var(--glass-bg) !important;
}

.table-striped tbody tr:nth-of-type(odd):hover {
  background: var(--bg-hover) !important;
}

/* ============================================
   BADGES E STATUS
   ============================================ */
.badge {
  padding: 0.4rem 0.85rem !important;
  border-radius: 999px !important;
  font-weight: 500 !important;
  font-size: 0.75rem !important;
  transition: all 0.2s ease !important;
}

.badge:hover {
  transform: scale(1.05);
  filter: brightness(1.1);
}

.badge-primary { background: var(--primary-subtle) !important; color: var(--primary) !important; }
.badge-success { background: var(--success-bg) !important; color: var(--success) !important; }
.badge-danger { background: var(--danger-bg) !important; color: var(--danger) !important; }
.badge-warning { background: var(--warning-bg) !important; color: var(--warning) !important; }
.badge-info { background: var(--info-bg) !important; color: var(--info) !important; }

/* Status Indicators */
.status-indicator {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 500;
}

.status-indicator::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  animation: pulse-dot 2s infinite;
}

.status-online { background: var(--success-bg); color: var(--success); }
.status-online::before { background: var(--success); }

.status-offline { background: var(--danger-bg); color: var(--danger); }
.status-offline::before { background: var(--danger); animation: none; }

.status-pending { background: var(--warning-bg); color: var(--warning); }
.status-pending::before { background: var(--warning); }

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

/* ============================================
   NAVEGACAO E SIDEBAR
   ============================================ */
.pcoded-navbar {
  background: var(--bg-surface) !important;
  border-right: 1px solid var(--border-default) !important;
}

.pcoded-navbar .pcoded-item > li > a {
  color: var(--text-secondary) !important;
  padding: 12px 20px !important;
  border-radius: 10px !important;
  margin: 4px 10px !important;
  transition: all 0.2s ease !important;
  border: 2px solid transparent;
}

.pcoded-navbar .pcoded-item > li > a:hover {
  background: var(--bg-hover) !important;
  color: var(--text-primary) !important;
  border-color: var(--border-default) !important;
  transform: translateX(4px);
}

.pcoded-navbar .pcoded-item > li.active > a,
.pcoded-navbar .pcoded-item > li > a.active {
  background: var(--gradient-primary) !important;
  color: var(--text-on-primary) !important;
  box-shadow: 0 4px 15px var(--primary-glow) !important;
}

.pcoded-navigation-label {
  color: var(--text-muted) !important;
  font-size: 0.7rem !important;
  text-transform: uppercase !important;
  letter-spacing: 1.5px !important;
  padding: 1.5rem 1.25rem 0.5rem !important;
}

/* Header */
.pcoded-header {
  background: var(--bg-surface) !important;
  border-bottom: 1px solid var(--border-default) !important;
  backdrop-filter: blur(10px);
}

/* Dropdown */
.dropdown-menu {
  background: var(--bg-elevated) !important;
  border: 1px solid var(--border-default) !important;
  border-radius: 12px !important;
  box-shadow: var(--shadow-lg) !important;
  padding: 0.5rem !important;
}

.dropdown-item {
  color: var(--text-secondary) !important;
  padding: 0.75rem 1rem !important;
  border-radius: 8px !important;
  transition: all 0.15s ease !important;
}

.dropdown-item:hover {
  background: var(--bg-hover) !important;
  color: var(--text-primary) !important;
  transform: translateX(4px);
}

/* ============================================
   MODAIS
   ============================================ */
.modal-content {
  background: var(--bg-elevated) !important;
  border: 1px solid var(--border-default) !important;
  border-radius: 20px !important;
  box-shadow: var(--shadow-lg) !important;
}

.modal-header {
  border-bottom: 1px solid var(--border-subtle) !important;
  padding: 1.25rem 1.5rem !important;
}

.modal-header .modal-title { color: var(--text-primary) !important; font-weight: 600 !important; }
.modal-header .close { color: var(--text-muted) !important; opacity: 1 !important; transition: all 0.2s; }
.modal-header .close:hover { color: var(--danger) !important; transform: rotate(90deg); }

.modal-body { padding: 1.5rem !important; }
.modal-footer { border-top: 1px solid var(--border-subtle) !important; padding: 1rem 1.5rem !important; }
.modal-backdrop.show { opacity: 0.7 !important; }

/* ============================================
   ALERTAS
   ============================================ */
.alert {
  border: none !important;
  border-radius: 12px !important;
  padding: 1rem 1.25rem !important;
  border-left: 4px solid !important;
}

.alert-success { background: var(--success-bg) !important; color: var(--success) !important; border-left-color: var(--success) !important; }
.alert-danger { background: var(--danger-bg) !important; color: var(--danger) !important; border-left-color: var(--danger) !important; }
.alert-warning { background: var(--warning-bg) !important; color: var(--warning) !important; border-left-color: var(--warning) !important; }
.alert-info { background: var(--info-bg) !important; color: var(--info) !important; border-left-color: var(--info) !important; }

/* ============================================
   TABS
   ============================================ */
.nav-tabs { border-bottom: 2px solid var(--border-default) !important; }

.nav-tabs .nav-link {
  background: transparent !important;
  border: none !important;
  border-bottom: 3px solid transparent !important;
  color: var(--text-muted) !important;
  padding: 0.875rem 1.5rem !important;
  margin-bottom: -2px;
  transition: all 0.2s ease !important;
  font-weight: 500;
}

.nav-tabs .nav-link:hover {
  color: var(--text-primary) !important;
  border-bottom-color: var(--accent) !important;
}

.nav-tabs .nav-link.active {
  color: var(--primary) !important;
  border-bottom-color: var(--primary) !important;
  background: transparent !important;
}

/* ============================================
   PAGINACAO
   ============================================ */
.pagination { gap: 0.25rem; }

.page-item .page-link {
  background: var(--bg-elevated) !important;
  border: 1px solid var(--border-subtle) !important;
  border-radius: 8px !important;
  color: var(--text-secondary) !important;
  padding: 0.5rem 0.875rem !important;
  transition: all 0.2s ease !important;
}

.page-item .page-link:hover {
  background: var(--bg-hover) !important;
  color: var(--text-primary) !important;
  border-color: var(--primary) !important;
  transform: translateY(-2px);
}

.page-item.active .page-link {
  background: var(--primary) !important;
  border-color: var(--primary) !important;
  color: var(--text-on-primary) !important;
}

/* ============================================
   ANIMACOES
   ============================================ */
.animate-fade-in { animation: fadeIn 0.4s ease-out; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(15px); } to { opacity: 1; transform: translateY(0); } }

.animate-slide-in { animation: slideIn 0.3s ease-out; }
@keyframes slideIn { from { opacity: 0; transform: translateX(-20px); } to { opacity: 1; transform: translateX(0); } }

.animate-scale-in { animation: scaleIn 0.25s ease-out; }
@keyframes scaleIn { from { opacity: 0; transform: scale(0.9); } to { opacity: 1; transform: scale(1); } }

/* Hover Lift Universal */
.hover-lift { transition: transform 0.2s ease, box-shadow 0.2s ease; }
.hover-lift:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }

/* ============================================
   PAINEL DE CONFIGURACAO DE TEMA
   ============================================ */
.theme-switcher {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 9999;
}

.theme-toggle-btn {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--gradient-primary);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px var(--primary-glow);
  transition: all 0.3s ease;
  color: white;
  font-size: 1.25rem;
}

.theme-toggle-btn:hover {
  transform: scale(1.1) rotate(15deg);
  box-shadow: 0 6px 30px var(--primary-glow);
}

.theme-panel {
  position: absolute;
  bottom: 65px;
  right: 0;
  width: 320px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-default);
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  padding: 1.25rem;
  display: none;
  animation: slideUp 0.3s ease;
}

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

@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.theme-panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-subtle);
}

.theme-panel-title {
  color: var(--text-primary);
  font-weight: 600;
  font-size: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.theme-panel-close {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1.25rem;
  transition: all 0.2s;
}

.theme-panel-close:hover {
  color: var(--danger);
  transform: rotate(90deg);
}

/* Theme Options */
.theme-options { display: flex; flex-direction: column; gap: 0.75rem; }

.theme-option {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.875rem 1rem;
  border-radius: 12px;
  border: 2px solid var(--border-default);
  cursor: pointer;
  transition: all 0.2s ease;
  background: var(--bg-surface);
}

.theme-option:hover {
  border-color: var(--primary);
  background: var(--bg-hover);
  transform: translateX(4px);
}

.theme-option.active {
  border-color: var(--primary);
  background: var(--primary-subtle);
}

.theme-preview {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  display: flex;
  flex-wrap: wrap;
  overflow: hidden;
  flex-shrink: 0;
  border: 1px solid var(--border-subtle);
}

.theme-preview > div {
  width: 50%;
  height: 50%;
}

/* Preview Colors */
.theme-option[data-theme="light"] .theme-preview > div:nth-child(1) { background: #f8fafc; }
.theme-option[data-theme="light"] .theme-preview > div:nth-child(2) { background: #3b82f6; }
.theme-option[data-theme="light"] .theme-preview > div:nth-child(3) { background: #64748b; }
.theme-option[data-theme="light"] .theme-preview > div:nth-child(4) { background: #ffffff; }

.theme-option[data-theme="vibrant"] .theme-preview > div:nth-child(1) { background: #fffbeb; }
.theme-option[data-theme="vibrant"] .theme-preview > div:nth-child(2) { background: #f59e0b; }
.theme-option[data-theme="vibrant"] .theme-preview > div:nth-child(3) { background: #10b981; }
.theme-option[data-theme="vibrant"] .theme-preview > div:nth-child(4) { background: #fef3c7; }

.theme-option[data-theme="dark"] .theme-preview > div:nth-child(1) { background: #0a0a0f; }
.theme-option[data-theme="dark"] .theme-preview > div:nth-child(2) { background: #6366f1; }
.theme-option[data-theme="dark"] .theme-preview > div:nth-child(3) { background: #22d3ee; }
.theme-option[data-theme="dark"] .theme-preview > div:nth-child(4) { background: #1a1a25; }

.theme-info { flex: 1; }
.theme-name { color: var(--text-primary); font-weight: 600; font-size: 0.9rem; margin-bottom: 0.125rem; }
.theme-desc { color: var(--text-muted); font-size: 0.75rem; }

.theme-check {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 2px solid var(--border-default);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  flex-shrink: 0;
}

.theme-option.active .theme-check {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
}

/* Accessibility Info */
.theme-accessibility {
  margin-top: 1rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--success);
  font-size: 0.75rem;
}

.theme-accessibility i { font-size: 1rem; }