/* === Sistema de Diseño de BitForward === */

/* 1. Tokens globales (basados en tailwind.config.js) */
:root {
  /* Colores corporativos */
  --bf-color-primary: #1e40af;
  --bf-color-primary-hover: #2563eb;
  --bf-color-secondary: #f59e0b;
  --bf-color-accent: #10b981;
  --bf-color-accent-hover: #16a77f;
  --bf-color-dark: #0f172a;
  --bf-color-light: #f8fafc;
  --bf-color-gray: #64748b;

  /* Estados */
  --bf-color-success: #059669;
  --bf-color-warning: #d97706;
  --bf-color-error: #dc2626;
  --bf-color-info: #2563eb;

  /* Cripto (identidad de activos) */
  --bf-crypto-btc: #f7931a;
  --bf-crypto-eth: #627eea;
  --bf-crypto-sol: #14f195;
  --bf-crypto-usdt: #26a17b;
  --bf-crypto-usdc: #2775ca;
  --bf-crypto-dai: #f5ac37;

  /* Superficies y bordes */
  --bf-surface-0: #0f172a; /* fondo base */
  --bf-surface-1: #111827; /* panel suave */
  --bf-surface-2: #1e293b; /* tarjeta */
  --bf-surface-3: rgba(255, 255, 255, 0.04); /* glass */
  --bf-surface-hover: #0b1220;
  --bf-border: rgba(255, 255, 255, 0.08);
  --bf-border-strong: rgba(98, 208, 255, 0.35);

  /* Tipografía */
  --bf-font-display: 'Space Grotesk', 'Inter', system-ui, -apple-system, sans-serif;
  --bf-font-base: 'Inter', system-ui, -apple-system, sans-serif;

  /* Escalas */
  --bf-radius-sm: 8px;
  --bf-radius-md: 12px;
  --bf-radius-lg: 20px;
  --bf-space-1: 4px;
  --bf-space-2: 8px;
  --bf-space-3: 12px;
  --bf-space-4: 16px;
  --bf-space-5: 24px;
  --bf-space-6: 32px;

  /* Sombras y glass */
  --bf-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --bf-shadow-md: 0 4px 12px rgba(0, 0, 0, 0.12);
  --bf-shadow-lg: 0 20px 40px rgba(15, 23, 42, 0.35);
  --bf-shadow-glow: 0 0 25px rgba(30, 64, 175, 0.45);
  --bf-glass-bg: rgba(255, 255, 255, 0.04);
  --bf-glass-border: rgba(255, 255, 255, 0.08);
  --bf-glass-backdrop-filter: blur(16px) saturate(170%);

  /* Alias de compatibilidad (legacy) */
  --bf-bg-primary: var(--bf-surface-0);
  --bf-bg-secondary: var(--bf-surface-2);
  --bf-bg-tertiary: #334155;
  --bf-text-primary: #f8fafc;
  --bf-text-secondary: #e2e8f0;
  --bf-text-tertiary: #94a3b8;
  --bf-accent-primary: #3b82f6;
  --bf-accent-secondary: #06b6d4;
  --bf-accent-tertiary: #8b5cf6;
  --bf-accent-glow: var(--bf-color-secondary);
  --bf-success: #10b981;
  --bf-error: #ef4444;
  --bf-warning: #f59e0b;
  --bf-border-color: rgba(59, 130, 246, 0.2);
  --bf-shadow-color: rgba(6, 182, 212, 0.15);
}

/* 2. Estilos base y tipografía */
body {
  background-color: var(--bf-bg-primary);
  color: var(--bf-text-secondary);
  font-family: var(--bf-font-base);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  color: var(--bf-text-primary);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.5px;
  font-family: var(--bf-font-display);
}

h1 {
  font-size: 2.5rem;
}
h2 {
  font-size: 2rem;
}
h3 {
  font-size: 1.5rem;
}
p {
  margin-bottom: 1rem;
}
a {
  color: var(--bf-accent-secondary);
  text-decoration: none;
  transition: color 0.3s ease;
}
a:hover,
a:focus-visible {
  color: var(--bf-accent-primary);
}

/* 3. Componentes reutilizables */

/* Botones */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: var(--bf-radius-md);
  font-weight: 700;
  font-size: 0.95rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.25s ease;
  border: 1px solid transparent;
}

.btn-primary {
  background: linear-gradient(135deg, var(--bf-color-primary), var(--bf-color-accent));
  color: var(--bf-text-primary);
  box-shadow: var(--bf-shadow-md), var(--bf-shadow-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--bf-shadow-lg);
}

.btn-secondary {
  background-color: var(--bf-surface-2);
  color: var(--bf-text-primary);
  border-color: var(--bf-border);
}

.btn-secondary:hover {
  background-color: var(--bf-surface-1);
  border-color: var(--bf-color-accent);
}

.btn-ghost {
  background: transparent;
  color: var(--bf-text-primary);
  border: 1px solid var(--bf-border);
}

.btn-ghost:hover {
  border-color: var(--bf-color-primary);
  color: var(--bf-text-primary);
}

/* Tarjetas (Cards) */
.card {
  background: var(--bf-glass-bg);
  border: 1px solid var(--bf-glass-border);
  border-radius: var(--bf-radius-lg);
  padding: 2rem;
  backdrop-filter: var(--bf-glass-backdrop-filter);
  -webkit-backdrop-filter: var(--bf-glass-backdrop-filter);
  box-shadow: var(--bf-shadow-md);
  transition:
    transform 0.3s ease,
    box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--bf-shadow-lg);
}

/* Contenedor principal para páginas */
.main-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem;
}

/* Clases de utilidad */
.text-primary {
  color: var(--bf-text-primary);
}
.text-secondary {
  color: var(--bf-text-secondary);
}
.text-tertiary {
  color: var(--bf-text-tertiary);
}
.text-accent {
  color: var(--bf-color-accent);
}
.text-success {
  color: var(--bf-color-success);
}
.text-error {
  color: var(--bf-color-error);
}
.text-warning {
  color: var(--bf-color-warning);
}
.surface {
  background: var(--bf-surface-2);
  border: 1px solid var(--bf-border);
  border-radius: var(--bf-radius-md);
}

/* Responsive overrides */
@import url('./responsive.css');