/* Variables de colores olímpicos */
:root {
    --azul-olimpico: #0066CC;
    --dorado: #FFD700;
    --plateado: #C0C0C0;
    --blanco: #FFFFFF;
    --negro: #333333;
    --gris-claro: #F5F5F5;
    --sombra: 0 2px 10px rgba(0,0,0,0.1);
}

/* Reset y estilos base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--gris-claro);
    color: var(--negro);
    line-height: 1.6;
}

/* Header */
.header {
    background: linear-gradient(135deg, var(--azul-olimpico) 0%, #004499 100%);
    color: var(--blanco);
    padding: 1rem 0;
    box-shadow: var(--sombra);
}

.header h1 {
    text-align: center;
    font-size: 2.5rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

/* Navegación */
.navbar {
    background-color: var(--blanco);
    padding: 0;
    box-shadow: var(--sombra);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar ul {
    list-style: none;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}

.navbar li {
    margin: 0;
}

.navbar a {
    display: block;
    padding: 1rem 2rem;
    color: var(--azul-olimpico);
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 500;
}

.navbar a:hover {
    background-color: var(--azul-olimpico);
    color: var(--blanco);
}

/* Container principal */
.container {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1rem;
}

/* Cards */
.card {
    background-color: var(--blanco);
    border-radius: 10px;
    box-shadow: var(--sombra);
    padding: 2rem;
    margin-bottom: 2rem;
    transition: transform 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
}

.card-header {
    background: linear-gradient(135deg, var(--azul-olimpico), #004499);
    color: var(--blanco);
    padding: 1rem;
    border-radius: 10px 10px 0 0;
    margin: -2rem -2rem 1rem -2rem;
}

/* Formularios */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--azul-olimpico);
}

.form-control {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid #E0E0E0;
    border-radius: 5px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--azul-olimpico);
    box-shadow: 0 0 0 3px rgba(0,102,204,0.1);
}

/* Botones */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 500;
}

.btn-primary {
    background: linear-gradient(135deg, var(--azul-olimpico), #004499);
    color: var(--blanco);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #004499, var(--azul-olimpico));
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,102,204,0.3);
}

.btn-gold {
    background: linear-gradient(135deg, var(--dorado), #FFB300);
    color: var(--negro);
}

.btn-gold:hover {
    background: linear-gradient(135deg, #FFB300, var(--dorado));
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255,215,0,0.3);
}

.btn-danger {
    background-color: #DC3545;
    color: var(--blanco);
}

.btn-danger:hover {
    background-color: #C82333;
}

.btn-success {
    background-color: #28A745;
    color: var(--blanco);
}

.btn-success:hover {
    background-color: #218838;
}

/* Tablas */
.table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--blanco);
    box-shadow: var(--sombra);
    border-radius: 10px;
    overflow: hidden;
}

.table th {
    background: linear-gradient(135deg, var(--azul-olimpico), #004499);
    color: var(--blanco);
    padding: 1rem;
    text-align: left;
    font-weight: 600;
}

.table td {
    padding: 1rem;
    border-bottom: 1px solid #E0E0E0;
}

.table tr:hover {
    background-color: #F8F9FA;
}

.table tr:last-child td {
    border-bottom: none;
}

/* Dashboard Stats */
.stats-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: linear-gradient(135deg, var(--azul-olimpico), #004499);
    color: var(--blanco);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: var(--sombra);
    transition: transform 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
}

.stat-card h3 {
    font-size: 3rem;
    margin-bottom: 0.5rem;
}

.stat-card p {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* Fixture */
.fixture-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.match-card {
    background-color: var(--blanco);
    border-radius: 10px;
    box-shadow: var(--sombra);
    padding: 1.5rem;
    text-align: center;
    transition: all 0.3s ease;
    border: 3px solid transparent;
}

.match-card:hover {
    border-color: var(--dorado);
    transform: translateY(-5px);
}

.match-teams {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 1rem 0;
}

.team-name {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--azul-olimpico);
}

.vs {
    font-weight: bold;
    color: var(--dorado);
    font-size: 1.5rem;
}

.match-info {
    color: #666;
    font-size: 0.9rem;
}

/* Iconos de deportes */
.sport-icon {
    width: 50px;
    height: 50px;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    display: inline-block;
    vertical-align: middle;
    margin-right: 10px;
}

/* Alertas */
.alert {
    padding: 1rem 1.5rem;
    border-radius: 5px;
    margin-bottom: 1rem;
    border-left: 5px solid;
}

.alert-success {
    background-color: #D4EDDA;
    color: #155724;
    border-color: #28A745;
}

.alert-danger {
    background-color: #F8D7DA;
    color: #721C24;
    border-color: #DC3545;
}

.alert-info {
    background-color: #D1ECF1;
    color: #0C5460;
    border-color: #17A2B8;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
}

.modal-content {
    background-color: var(--blanco);
    margin: 5% auto;
    padding: 2rem;
    border-radius: 10px;
    width: 90%;
    max-width: 600px;
    box-shadow: 0 5px 30px rgba(0,0,0,0.3);
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Imágenes */
.img-preview {
    width: 150px;
    height: 150px;
    object-fit: cover;
    border-radius: 10px;
    box-shadow: var(--sombra);
}

/* Responsive */
@media (max-width: 768px) {
    .navbar ul {
        flex-direction: column;
    }
    
    .navbar a {
        padding: 0.75rem 1rem;
    }
    
    .header h1 {
        font-size: 2rem;
    }
    
    .stats-container {
        grid-template-columns: 1fr;
    }
    
    .fixture-container {
        grid-template-columns: 1fr;
    }
}

/* Animaciones */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.5s ease;
}

/* Estilos para impresión */
@media print {
    .no-print {
        display: none !important;
    }
    
    body {
        background-color: white;
    }
    
    .card {
        box-shadow: none;
        page-break-inside: avoid;
    }
}

/* Botón WhatsApp */
.btn-whatsapp {
    background-color: #25D366;
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 5px;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: background-color 0.3s ease;
}

.btn-whatsapp:hover {
    background-color: #1EBE57;
}

/* Loader */
.loader {
    border: 5px solid #f3f3f3;
    border-top: 5px solid var(--azul-olimpico);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
    margin: 2rem auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}