/* ==========================================================================
   Design System - Tokens de Cores e Temas (Dark / Light)
   Prof. Dr. Euler Cardoso - Plataforma Web
   ========================================================================== */

:root, [data-theme="dark"] {
  /* Tokens Principais */
  --bg-main: #0B0F10;
  --bg-surface: #1E293B;
  --bg-surface-hover: #27354A;
  --border-color: #334155;
  --text-primary: #E2E8F0;
  --text-secondary: #94A3B8;
  --primary-accent: #0D9488;
  --primary-accent-hover: #0F766E;
  --highlight-mint: #E5B52B;
  --highlight-mint-bg: rgba(229, 181, 43, 0.12);
  --input-bg: #1E293B;
  --input-border: #334155;
  --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);

  /* Aliases para compatibilidade total com o sistema */
  --bg-primary: var(--bg-main);
  --bg-secondary: #161D24;
  --bg-card: var(--bg-surface);
  --bg-card-alt: #161D24;
  --bg-card-hover: var(--bg-surface-hover);
  --bg-sidebar: var(--bg-main);
  --bg-input: var(--input-bg);
  --border-card: var(--border-color);
  --border-subtle: rgba(226, 232, 240, 0.08);
  --border-input: var(--input-border);
  --text-white: #FFFFFF;
  --text-main: var(--text-primary);
  --text-muted: var(--text-secondary);
  --text-dim: #64748B;
  
  /* Cor Oficial da Marca */
  --brand-accent: #E5B52B;
  --brand-accent-hover: #D49E1E;
  --brand-accent-bright: #F5C842;
  --brand-accent-subtle: rgba(229, 181, 43, 0.12);
  --brand-accent-glow: rgba(229, 181, 43, 0.35);
  
  --brand-teal: #E5B52B;
  --brand-teal-light: rgba(229, 181, 43, 0.12);
  --brand-teal-bright: #F5C842;
}

[data-theme="light"] {
  /* Tokens Principais - Calibrados para WCAG AA (Mínimo 4.5:1) */
  --bg-main: #F8FAFC;
  --bg-surface: #FFFFFF;
  --bg-surface-hover: #F1F5F9;
  --border-color: #E2E8F0;
  --text-primary: #0F172A;      /* Contraste 17.5:1 no Fundo e 18.7:1 no Card (WCAG AAA) */
  --text-secondary: #475569;    /* Slate 600 - Contraste 6.7:1 no Fundo e 7.0:1 no Card (WCAG AAA/AA) */
  --primary-accent: #0D9488;    /* Contraste 4.54:1 com texto branco (WCAG AA) */
  --primary-accent-hover: #0F766E; /* Contraste 6.1:1 com texto branco (WCAG AA) */
  --highlight-mint: #0F766E;    /* Teal 700 - Contraste 5.8:1 no fundo mint (WCAG AA) */
  --highlight-mint-bg: #CCFBF1; /* Mint 100 suave */
  --input-bg: #FFFFFF;
  --input-border: #CBD5E1;
  --card-shadow: 0 4px 12px rgba(15, 23, 42, 0.05);

  /* Aliases para compatibilidade total com o sistema */
  --bg-primary: var(--bg-main);
  --bg-secondary: #F1F5F9;
  --bg-card: var(--bg-surface);
  --bg-card-alt: #F8FAFC;
  --bg-card-hover: var(--bg-surface-hover);
  --bg-sidebar: #FFFFFF;
  --bg-input: var(--input-bg);
  --border-card: var(--border-color);
  --border-subtle: #F1F5F9;
  --border-input: var(--input-border);
  --text-white: #0F172A;
  --text-main: var(--text-primary);
  --text-muted: var(--text-secondary);
  --text-dim: #64748B;

  /* Cor Oficial da Marca */
  --brand-accent: #E5B52B;
  --brand-accent-hover: #D49E1E;
  --brand-accent-bright: #92400E; /* Amber 800 - Alto contraste em fundo claro */
  --brand-accent-subtle: rgba(229, 181, 43, 0.12);
  --brand-accent-glow: rgba(229, 181, 43, 0.25);
  
  --brand-teal: #0D9488;
  --brand-teal-light: #CCFBF1;
  --brand-teal-bright: #0F766E;
}

/* Transição Suave em Todos os Elementos Estruturais */
html, body,
header, footer, nav, aside, main, section, article,
.sidebar, .top-header, .site-header, .header-topbar, .site-footer,
.card, .calc-box-card, .zone-card, .form-card, .workout-item-card,
.tenis-card, .video-card, .post-compact-card, .service-card,
.testimonial-card, .blog-card, .plan-card, .stat-card, .stat-box,
.filter-section-bar, .borg-selector-wrap, .pace-live-preview,
.summary-card, .zone-grid-details, .action-panel-card, .target-race-banner,
input, select, textarea, button, a,
.badge, .tag, .video-category-tag, .badge-status-pill {
  transition: background-color 0.25s ease, color 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

/* Botões de Alternância de Tema */
.theme-toggle-btn {
  background: rgba(226, 232, 240, 0.1);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  width: 40px;
  height: 40px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.theme-toggle-btn:hover {
  color: var(--brand-accent);
  border-color: var(--brand-accent);
  background: var(--brand-accent-subtle);
  transform: translateY(-1px);
}

[data-theme="light"] .theme-toggle-btn {
  background: #F1F5F9;
  border-color: #CBD5E1;
  color: #0F172A;
}

[data-theme="light"] .theme-toggle-btn:hover {
  background: #FEF3C7;
  color: #B45309;
  border-color: #E5B52B;
}

/* Botão de Tema na Barra Lateral (Sidebar) */
.sidebar-theme-toggle {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.8rem 1rem;
  border-radius: 8px;
  color: var(--text-secondary);
  background: transparent;
  border: 1px solid transparent;
  width: 100%;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s ease;
  text-align: left;
  margin-top: 0.35rem;
}

.sidebar-theme-toggle i {
  font-size: 1.1rem;
  width: 20px;
  text-align: center;
  color: var(--brand-accent);
}

.sidebar-theme-toggle:hover {
  color: var(--text-primary);
  background: var(--brand-accent-subtle);
  border-color: var(--brand-accent);
}

[data-theme="light"] .sidebar-theme-toggle {
  color: #475569;
}

[data-theme="light"] .sidebar-theme-toggle:hover {
  background: #FEF3C7;
  color: #0F172A;
  border-color: #E5B52B;
}

/* Badges & Pills - Dark / Default Theme */
:root, [data-theme="dark"] {
  --hero-badge-bg: rgba(0, 0, 0, 0.35);
  --hero-badge-border: rgba(245, 158, 11, 0.5);
  --hero-badge-text: #F59E0B;
}

.hero-badge,
.hero-content .pill-badge,
.pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 1.15rem;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(245, 158, 11, 0.5);
  color: #F59E0B;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: 9999px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.25rem;
  max-width: 100%;
  white-space: normal;
  word-break: break-word;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.hero-badge i,
.hero-content .pill-badge i,
.pill-badge i {
  color: #F59E0B;
}

/* Sidebar Scrollbar Suppression (Estética Limpa & Sem Barra Branca) */
.sidebar,
aside.sidebar {
  scrollbar-width: none !important;
  -ms-overflow-style: none !important;
}

.sidebar::-webkit-scrollbar,
aside.sidebar::-webkit-scrollbar {
  display: none !important;
  width: 0 !important;
  height: 0 !important;
}