/* Portal do Modernismo Mineiro - Tema */

:root {
  /* Cores principais do projeto */
  --primary-blue: #073B73;
  --secondary-blue: #1e40af;
  --accent-blue: #3b82f6;
  
  /* Gradientes */
  --sidebar-gradient: linear-gradient(to bottom right, #000000, #0f172a, #1e3a8a, #3b82f6);
  --sidebar-gradient-metallic: linear-gradient(135deg, #1e293b 0%, #334155 25%, #475569 50%, #64748b 75%, #94a3b8 100%);
  
  /* Variáveis de tema */
  --paper: #f8fafc;
  --ink: #374151;
  --surface: #f1f5f9;
  --border: #e5e7eb;
  
  /* Navegação */
  --nav-hover: rgba(255, 255, 255, 0.1);
  --nav-active-border: rgba(255, 255, 255, 0.8);
  
  /* Chat widget */
  --chat-button-bg: var(--primary-blue);
  --chat-button-hover: var(--secondary-blue);
  --chat-panel-bg: white;
  --chat-panel-ink: #374151;
  --chat-header-bg: var(--primary-blue);
  --chat-header-ink: white;
  --chat-user-bg: var(--accent-blue);
  --chat-bot-bg: #f3f4f6;
  
  /* Cores de marca */
  --brand-accent-500: var(--accent-blue);
  
  /* Animações */
  --chatPulseAnim: chatPulseLight;
}

/* Tema escuro */
html.dark {
  --paper: #2a2a2a;
  --ink: #f1f5f9;
  --surface: #353535;
  --border: #4a4a4a;
  --chat-panel-bg: #353535;
  --chat-panel-ink: #f1f5f9;
  --chat-bot-bg: #4a4a4a;
  --chatPulseAnim: chatPulseDark;
}

/* Classes utilitárias de tema */
.sidebar-gradient {
  background: var(--sidebar-gradient);
}

.theme-paper {
  background: var(--paper);
  color: var(--ink);
}

.theme-surface {
  background: var(--surface);
}

.theme-border {
  border-color: var(--border);
}