/**
 * Oráculo de Precios Crypto - Estilos principales
 * CSS profesional y responsive para mostrar precios de criptomonedas
 */

/* Variables globales y reseteo */
:root {
    /* Esquema de colores - Tema claro */
    --crypto-light-bg: #ffffff;
    --crypto-light-card: #ffffff;
    --crypto-light-text: #333333;
    --crypto-light-text-secondary: #666666;
    --crypto-light-border: #e0e0e0;
    --crypto-light-shadow: rgba(0, 0, 0, 0.08);
    --crypto-light-highlight: #f8f9fa;
    
    /* Esquema de colores - Tema oscuro */
    --crypto-dark-bg: #121212;
    --crypto-dark-card: #1e1e1e;
    --crypto-dark-text: #f5f5f5;
    --crypto-dark-text-secondary: #b0b0b0;
    --crypto-dark-border: #333333;
    --crypto-dark-shadow: rgba(0, 0, 0, 0.2);
    --crypto-dark-highlight: #2a2a2a;
    
    /* Colores de monedas */
    --crypto-btc-color: #f7931a;
    --crypto-eth-color: #627eea;
    --crypto-bnb-color: #f3ba2f;
    --crypto-xaut-color: #d4af37;
    --crypto-busd-color: #f0b90b;
    
    /* Colores de tendencia */
    --crypto-positive: #16c784;
    --crypto-negative: #ea3943;
    
    /* Espaciado y dimensiones */
    --crypto-border-radius: 12px;
    --crypto-card-padding: 20px;
    --crypto-space-xs: 4px;
    --crypto-space-sm: 8px;
    --crypto-space-md: 16px;
    --crypto-space-lg: 24px;
    --crypto-space-xl: 32px;

    /* Tipografía */
    --crypto-font-size-xs: 0.75rem;
    --crypto-font-size-sm: 0.875rem;
    --crypto-font-size-md: 1rem;
    --crypto-font-size-lg: 1.25rem;
    --crypto-font-size-xl: 1.5rem;
    --crypto-font-size-xxl: 1.75rem;
    --crypto-line-height: 1.5;
}

/* Contenedor principal */
.oraculo-crypto-container {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
    box-sizing: border-box;
    max-width: 100%;
    margin: 0 auto;
    padding: 0;
    line-height: var(--crypto-line-height);
}

.oraculo-crypto-container *,
.oraculo-crypto-container *::before,
.oraculo-crypto-container *::after {
    box-sizing: border-box;
}

/* Temas */
.crypto-light-theme {
    --crypto-bg-color: var(--crypto-light-bg);
    --crypto-text-color: var(--crypto-light-text);
    --crypto-text-secondary: var(--crypto-light-text-secondary);
    --crypto-border-color: var(--crypto-light-border);
    --crypto-card-bg: var(--crypto-light-card);
    --crypto-card-shadow: 0 2px 12px var(--crypto-light-shadow);
    --crypto-highlight-bg: var(--crypto-light-highlight);
}

.crypto-dark-theme {
    --crypto-bg-color: var(--crypto-dark-bg);
    --crypto-text-color: var(--crypto-dark-text);
    --crypto-text-secondary: var(--crypto-dark-text-secondary);
    --crypto-border-color: var(--crypto-dark-border);
    --crypto-card-bg: var(--crypto-dark-card);
    --crypto-card-shadow: 0 2px 12px var(--crypto-dark-shadow);
    --crypto-highlight-bg: var(--crypto-dark-highlight);
}

/* Contenedores de cuadrícula */
.crypto-grid {
    display: grid;
    gap: var(--crypto-space-lg);
    margin-bottom: var(--crypto-space-lg);
}

.crypto-layout-grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}

.crypto-layout-list {
    grid-template-columns: 1fr;
}

/* Tarjetas de criptomonedas */
.crypto-card {
    background-color: var(--crypto-card-bg);
    border-radius: var(--crypto-border-radius);
    padding: var(--crypto-card-padding);
    box-shadow: var(--crypto-card-shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    color: var(--crypto-text-color);
    position: relative;
    overflow: hidden;
    border: 1px solid var(--crypto-border-color);
}

.crypto-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--crypto-card-shadow), 0 8px 20px rgba(0, 0, 0, 0.1);
    z-index: 1;
}

.crypto-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
}

/* Colores específicos para cada moneda */
.crypto-card.btc::before {
    background-color: var(--crypto-btc-color);
}

.crypto-card.eth::before {
    background-color: var(--crypto-eth-color);
}

.crypto-card.bnb::before {
    background-color: var(--crypto-bnb-color);
}

.crypto-card.xaut::before {
    background-color: var(--crypto-xaut-color);
}

.crypto-card.busd::before {
    background-color: var(--crypto-busd-color);
}

/* Elementos dentro de la tarjeta */
.crypto-name {
    display: flex;
    align-items: center;
    margin-bottom: var(--crypto-space-md);
}

.crypto-icon {
    width: 40px;
    height: 40px;
    margin-right: var(--crypto-space-md);
    border-radius: 50%;
    background-color: var(--crypto-highlight-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: var(--crypto-font-size-lg);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
    position: relative;
    overflow: hidden;
}

.crypto-card.btc .crypto-icon {
    color: var(--crypto-btc-color);
    background-color: rgba(247, 147, 26, 0.1);
}

.crypto-card.eth .crypto-icon {
    color: var(--crypto-eth-color);
    background-color: rgba(98, 126, 234, 0.1);
}

.crypto-card.bnb .crypto-icon {
    color: var(--crypto-bnb-color);
    background-color: rgba(243, 186, 47, 0.1);
}

.crypto-card.xaut .crypto-icon {
    color: var(--crypto-xaut-color);
    background-color: rgba(212, 175, 55, 0.1);
}

.crypto-card.busd .crypto-icon {
    color: var(--crypto-busd-color);
    background-color: rgba(240, 185, 11, 0.1);
}

.crypto-symbol {
    display: flex;
    flex-direction: column;
}

.crypto-symbol strong {
    font-size: var(--crypto-font-size-md);
    font-weight: 600;
    margin-bottom: var(--crypto-space-xs);
}

.crypto-symbol span {
    font-size: var(--crypto-font-size-sm);
    color: var(--crypto-text-secondary);
}

.crypto-price {
    font-size: var(--crypto-font-size-xxl);
    font-weight: 700;
    margin-bottom: var(--crypto-space-md);
    transition: color 0.3s ease;
}

.price-change {
    display: inline-block;
    padding: var(--crypto-space-xs) var(--crypto-space-sm);
    border-radius: 20px;
    font-weight: 600;
    font-size: var(--crypto-font-size-sm);
    margin-bottom: var(--crypto-space-md);
}

.positive {
    color: var(--crypto-positive);
}

.negative {
    color: var(--crypto-negative);
}

.positive.price-change {
    background-color: rgba(22, 199, 132, 0.1);
}

.negative.price-change {
    background-color: rgba(234, 57, 67, 0.1);
}

/* Estadísticas */
.crypto-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--crypto-space-md);
    margin-top: var(--crypto-space-md);
    border-top: 1px solid var(--crypto-border-color);
    padding-top: var(--crypto-space-md);
}

.stat-item {
    font-size: var(--crypto-font-size-sm);
}

.stat-label {
    color: var(--crypto-text-secondary);
    margin-bottom: var(--crypto-space-xs);
    font-size: var(--crypto-font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-value {
    font-weight: 600;
    font-size: var(--crypto-font-size-sm);
}

/* Estados y mensajes */
.crypto-updated-time {
    text-align: center;
    margin-top: var(--crypto-space-md);
    color: var(--crypto-text-secondary);
    font-size: var(--crypto-font-size-sm);
    padding: var(--crypto-space-md);
    border-top: 1px solid var(--crypto-border-color);
}

.crypto-loading {
    text-align: center;
    padding: var(--crypto-space-xl);
    color: var(--crypto-text-secondary);
    animation: pulse 1.5s infinite;
    font-size: var(--crypto-font-size-md);
}

.crypto-error {
    text-align: center;
    padding: var(--crypto-space-lg);
    color: var(--crypto-negative);
    background-color: rgba(234, 57, 67, 0.1);
    border-radius: var(--crypto-border-radius);
    margin: var(--crypto-space-md) 0;
    font-size: var(--crypto-font-size-sm);
}

/* Animaciones */
@keyframes pulse {
    0% { opacity: 0.6; }
    50% { opacity: 1; }
    100% { opacity: 0.6; }
}

.price-flash {
    animation: flash 1s;
}

@keyframes flash {
    0% { opacity: 0.5; }
    100% { opacity: 1; }
}

/* Media queries para responsive */
@media (max-width: 992px) {
    .crypto-layout-grid {
        grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    }
    
    .crypto-price {
        font-size: var(--crypto-font-size-xl);
    }
}

@media (max-width: 768px) {
    .crypto-layout-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    }
    
    .crypto-card {
        padding: var(--crypto-space-md);
    }
    
    .crypto-stats {
        gap: var(--crypto-space-sm);
    }
}

@media (max-width: 576px) {
    .crypto-layout-grid {
        grid-template-columns: 1fr;
    }
    
    .crypto-icon {
        width: 36px;
        height: 36px;
        font-size: var(--crypto-font-size-md);
    }
    
    .crypto-price {
        font-size: var(--crypto-font-size-lg);
    }
    
    .crypto-stats {
        gap: var(--crypto-space-xs);
    }
}