/* ================================
   1. VARIABLES & CONFIGURACIÓN PREMIUM
   ================================ */
@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@400;700&family=Montserrat:wght@300;400;500;700&display=swap');

:root {
    /* Paleta de Colores: Lujo Oscuro & Oro */
    --gold-primary: #C5A059;
    /* Oro clásico */
    --gold-light: #E6C888;
    /* Oro brillante */
    --gold-dark: #8A6E36;
    /* Oro antiguo */

    --bg-deep: #050505;
    /* Negro casi absoluto */
    --bg-panel: #0F0F0F;
    /* Panel ligeramente más claro */
    --bg-card: #141414;
    /* Tarjetas */

    --text-primary: #FFFFFF;
    /* Blanco puro */
    --text-secondary: #B0B0B0;
    /* Gris plata */
    --text-gold: #D4AF37;
    /* Texto dorado */

    --accent-red: #800000;
    /* Rojo terciopelo (para errores/cartas) */
    --accent-green: #004d00;
    /* Verde mesa de paño */

    /* Degradados Premium */
    --gradient-gold: linear-gradient(135deg, var(--gold-dark) 0%, var(--gold-primary) 50%, var(--gold-light) 100%);
    --gradient-gold-text: linear-gradient(to bottom, #cfc09f 22%, #634f2c 24%, #cfc09f 26%, #cfc09f 27%, #ffecb3 40%, #3a2c0f 78%);
    --gradient-black: linear-gradient(180deg, #1a1a1a 0%, #000000 100%);

    /* Sombras y Efectos */
    --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.5);
    --shadow-gold: 0 0 15px rgba(197, 160, 89, 0.2);
    --border-gold: 1px solid rgba(197, 160, 89, 0.3);

    --transition-smooth: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Montserrat', sans-serif;
    background-color: var(--bg-deep);
    background-image:
        radial-gradient(circle at 50% 0%, #1a1500 0%, transparent 70%),
        linear-gradient(to bottom, transparent, #000000);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Scrollbar Elegante */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-deep);
}

::-webkit-scrollbar-thumb {
    background: var(--gold-dark);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gold-primary);
}

/* ================================
      2. FONDO "GOLD DUST" (Polvo de Oro)
      ================================ */
.gold-dust {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    background-image:
        radial-gradient(1px 1px at 10% 10%, var(--gold-light) 1%, transparent 1%),
        radial-gradient(2px 2px at 20% 40%, var(--gold-primary) 1%, transparent 1%),
        radial-gradient(1px 1px at 40% 60%, var(--gold-light) 1%, transparent 1%),
        radial-gradient(2px 2px at 80% 30%, var(--gold-dark) 1%, transparent 1%);
    background-size: 800px 800px;
    animation: dustFloat 60s linear infinite;
    opacity: 0.3;
    z-index: 0;
}

@keyframes dustFloat {
    from {
        background-position: 0 0;
    }

    to {
        background-position: 100% 100%;
    }
}

/* ================================
      3. TIPOGRAFÍA & CABECERAS
      ================================ */
h1,
h2,
h3,
.nav-brand,
.game-card h3 {
    font-family: 'Cinzel', serif;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--gold-primary);
    text-transform: uppercase;
}

/* Efecto de Texto Dorado Metálico para Títulos Grandes */
.casino-logo,
.hero-title {
    font-size: 4rem;
    background: var(--gradient-gold-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0px 2px 4px rgba(0, 0, 0, 0.5);
    position: relative;
    display: inline-block;
}

@media (max-width: 768px) {

    .casino-logo,
    .hero-title {
        font-size: 2.5rem;
    }
}

/* ================================
      4. NAVBAR PREMIUM
      ================================ */
.navbar {
    background: rgba(5, 5, 5, 0.95);
    border-bottom: 1px solid var(--gold-dark);
    padding: 1rem 3rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.8);
}

.nav-brand {
    font-size: 1.8rem;
}

.nav-menu {
    display: flex;
    gap: 2.5rem;
}

.nav-menu a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    transition: var(--transition-smooth);
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 1px;
    bottom: -5px;
    left: 50%;
    background: var(--gold-primary);
    transition: all 0.3s ease;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--gold-primary);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
    width: 100%;
    left: 0;
}

.coins-display {
    border: 1px solid var(--gold-dark);
    background: rgba(0, 0, 0, 0.4);
    color: var(--gold-light);
    padding: 0.5rem 1.2rem;
    border-radius: 2px;
    /* Bordes más rectos para elegancia */
    font-family: 'Cinzel', serif;
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* ================================
      5. COMPONENTES DE UI
      ================================ */
/* Botones Elegantes */
.btn {
    padding: 1rem 2.5rem;
    font-family: 'Montserrat', sans-serif;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.85rem;
    cursor: pointer;
    position: relative;
    transition: var(--transition-smooth);
    border: none;
    outline: none;
    display: inline-flex;
    justify-content: center;
    align-items: center;
}

/* Botón Primario: Gradiente Oro */
.btn-primary {
    background: var(--gradient-gold);
    color: #1a1a1a;
    font-weight: 700;
    border-radius: 2px;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(197, 160, 89, 0.4);
    filter: brightness(1.1);
}

/* Botón Secundario: Borde Oro */
.btn-secondary {
    background: transparent;
    border: 1px solid var(--gold-primary);
    color: var(--gold-primary);
    border-radius: 2px;
}

.btn-secondary:hover {
    background: rgba(197, 160, 89, 0.1);
    color: var(--gold-light);
    border-color: var(--gold-light);
}

/* Tarjetas Glassmorphism */
.card-panel,
.game-card,
.auth-box,
.terms-container {
    background: rgba(20, 20, 20, 0.95);
    /* Muy oscuro */
    border: 1px solid rgba(255, 255, 255, 0.05);
    /* Borde sutil */
    border-top: 1px solid rgba(197, 160, 89, 0.3);
    /* Luz cenital dorada */
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    border-radius: 4px;
    /* Radio pequeño = más serio/elegante */
    backdrop-filter: blur(10px);
}

/* ================================
      6. LANDING PAGE MAJESTUOSA
      ================================ */
.landing-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    text-align: center;
    padding: 2rem;
    position: relative;
}

.landing-container {
    z-index: 2;
    max-width: 1000px;
}

.tagline {
    font-family: 'Cinzel', serif;
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin: 2rem 0;
    font-weight: 300;
    border-top: 1px solid rgba(197, 160, 89, 0.3);
    border-bottom: 1px solid rgba(197, 160, 89, 0.3);
    padding: 1rem 0;
    display: inline-block;
}

.features {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin: 4rem 0;
}

.feature {
    text-align: center;
    max-width: 250px;
    transition: var(--transition-smooth);
    padding: 2rem;
    border: 1px solid transparent;
}

.feature:hover {
    border-color: var(--gold-dark);
    background: rgba(197, 160, 89, 0.05);
}

.feature .icon {
    font-size: 2.5rem;
    color: var(--gold-primary);
    margin-bottom: 1.5rem;
    display: block;
}

.feature p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* ================================
      7. SELECCIÓN DE JUEGOS
      ================================ */
.welcome-section h1 {
    margin-bottom: 0.5rem;
}

.welcome-section p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.games-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    padding: 2rem 0;
}

.game-card {
    padding: 3rem 2rem;
    text-align: center;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.game-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(197, 160, 89, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: var(--transition-smooth);
}

.game-card:hover {
    transform: translateY(-5px);
    border-color: var(--gold-primary);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6), 0 0 20px rgba(197, 160, 89, 0.1);
}

.game-card:hover::before {
    opacity: 1;
}

.game-icon {
    font-size: 4rem;
    margin-bottom: 2rem;
    color: var(--text-secondary);
    transition: var(--transition-smooth);
}

.game-card:hover .game-icon {
    color: var(--gold-primary);
    transform: scale(1.1);
}

/* ================================
      8. ESTILOS DE JUEGO (SLOTS, ETC)
      ================================ */
.game-container {
    padding: 4rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

/* Slots */
.slot-machine {
    background: #111;
    border: 2px solid var(--gold-dark);
    box-shadow: inset 0 0 50px rgba(0, 0, 0, 0.9);
    padding: 4rem;
    max-width: 700px;
    margin: 0 auto;
    border-radius: 10px;
    position: relative;
}

.slots-display {
    background: #000;
    border: 4px solid var(--gold-primary);
    padding: 2rem;
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 3rem;
    box-shadow: 0 0 20px rgba(197, 160, 89, 0.2);
}

.slot {
    width: 100px;
    height: 140px;
    background: #fff;
    border-radius: 4px;
    font-size: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.5);
    border: 1px solid #ccc;
    color: #333;
    /* Símbolos oscuros para contraste sobre blanco */
}

/* Controles de Juego */
.game-controls {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 3rem;
}

.bet-controls {
    background: rgba(0, 0, 0, 0.6);
    border: 1px solid var(--gold-dark);
    padding: 1.5rem 3rem;
    border-radius: 4px;
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.bet-controls input {
    background: transparent;
    border: none;
    border-bottom: 2px solid var(--gold-primary);
    color: var(--gold-light);
    font-family: 'Cinzel', serif;
    font-size: 1.5rem;
    width: 100px;
    text-align: center;
    padding: 0.5rem;
}

.bet-controls input:focus {
    outline: none;
    border-color: var(--text-primary);
}

/* Ruleta */
.roulette-wheel {
    border: 15px solid #2a1a00;
    /* Madera oscura */
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.8);
}

.roulette-wheel::before {
    border-color: rgba(255, 215, 0, 0.1);
    /* Oro muy sutil */
}

/* Blackjack */
.blackjack-game {
    background: radial-gradient(circle, #003300 0%, #001a00 100%);
    /* Paño verde oscuro */
    border: 10px solid #3d2b1f;
    /* Borde madera */
}

.card {
    border-radius: 6px;
    box-shadow: 2px 2px 10px rgba(0, 0, 0, 0.5);
}

/* ================================
      9. FORMS & AUTH (LOGIN/REGISTER)
      ================================ */
.auth-box {
    max-width: 450px;
    width: 100%;
    margin: 0 auto;
    padding: 3rem;
}

.auth-box h2 {
    text-align: center;
    margin-bottom: 2.5rem;
    font-size: 1.8rem;
}

.form-group label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--gold-dark);
    margin-bottom: 0.5rem;
    display: block;
}

.form-group input {
    width: 100%;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid #333;
    padding: 1rem;
    color: #fff;
    font-family: 'Montserrat', sans-serif;
    transition: var(--transition-smooth);
}

.form-group input:focus {
    border-color: var(--gold-primary);
    background: rgba(0, 0, 0, 0.5);
    outline: none;
}

.auth-footer {
    margin-top: 2rem;
    text-align: center;
    font-size: 0.9rem;
}

.auth-footer a {
    color: var(--gold-primary);
    text-decoration: none;
    font-weight: 600;
}

.auth-footer a:hover {
    text-decoration: underline;
}

/* ================================
      10. MENSAJES & ALERTS
      ================================ */
.message {
    padding: 1rem;
    margin-bottom: 1.5rem;
    border-left: 3px solid transparent;
    background: rgba(255, 255, 255, 0.05);
    font-size: 0.9rem;
}

.message.error {
    border-color: var(--accent-red);
    color: #ffcccc;
}

.message.success {
    border-color: var(--gold-primary);
    /* Éxito en dorado también es válido en lujo */
    color: var(--gold-light);
}