/**
 * THEME.CSS - Variables y Colores
 * Ajedrez de Silicio - Sistema Chessground + Chessops
 * 
 * Paleta: Dorado (#d4af37), Negro (#1a1a1a), Rojo (#ff3333)
 */

/* ===== VARIABLES CSS ===== */
:root {
    /* Colores principales */
    --color-primary: #d4af37;        /* Dorado */
    --color-primary-light: #ffd700;  /* Dorado claro */
    --color-primary-dark: #c49d2e;   /* Dorado oscuro */
    
    --color-bg-dark: #0d0d0d;        /* Negro profundo */
    --color-bg-medium: #1a1a1a;      /* Negro medio */
    --color-bg-light: #2a2a2a;       /* Negro claro */
    
    --color-accent: #ff3333;         /* Rojo */
    --color-accent-light: #ff6666;   /* Rojo claro */
    
    /* Colores de texto */
    --color-text-primary: #d4af37;   /* Dorado */
    --color-text-secondary: #999;    /* Gris */
    --color-text-muted: #666;        /* Gris oscuro */
    --color-text-white: #ffffff;     /* Blanco */
    
    /* Colores de estado */
    --color-success: #4caf50;        /* Verde */
    --color-error: #ff3333;          /* Rojo */
    --color-warning: #ff9800;        /* Naranja */
    --color-info: #2196f3;           /* Azul */
    
    /* Espaciado */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    
    /* Bordes */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;
    
    /* Sombras */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px rgba(212, 175, 55, 0.3);
    
    /* Transiciones */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Fuentes */
    --font-main: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'Courier New', monospace;
}

/* ===== RESET Y ESTILOS GLOBALES ===== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body, html {
    width: 100%;
    min-height: 100%;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    overflow-y: auto;
    font-family: var(--font-main);
    background: linear-gradient(135deg, var(--color-bg-dark) 0%, var(--color-bg-medium) 100%);
    color: var(--color-text-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===== SCROLLBAR PERSONALIZADO ===== */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--color-primary) var(--color-bg-dark);
}

*::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

*::-webkit-scrollbar-track {
    background: var(--color-bg-dark);
    border-radius: 5px;
}

*::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-radius: 5px;
    border: 2px solid var(--color-bg-dark);
    transition: background var(--transition-fast);
}

*::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
    box-shadow: 0 0 8px rgba(212, 175, 55, 0.5);
}

/* ===== UTILIDADES GLOBALES ===== */
.hidden {
    display: none !important;
}

.text-center {
    text-align: center;
}

.text-gold {
    color: var(--color-primary);
}

.text-red {
    color: var(--color-accent);
}

.text-muted {
    color: var(--color-text-muted);
}

/* ===== ANIMACIONES ===== */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

@keyframes slideIn {
    from {
        transform: translateX(-100%);
    }
    to {
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 10px rgba(212, 175, 55, 0.3);
    }
    50% {
        box-shadow: 0 0 20px rgba(212, 175, 55, 0.6);
    }
}

/* ===== CLASES DE ANIMACIÓN ===== */
.fade-in {
    animation: fadeIn var(--transition-normal);
}

.fade-in-up {
    animation: fadeInUp var(--transition-slow);
}

.slide-in {
    animation: slideIn var(--transition-normal);
}

.pulse {
    animation: pulse 2s infinite;
}

.glow {
    animation: glow 2s infinite;
}