/* Estilos generales optimizados */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.5;
    color: #2c3e50;
    background-color: #f8f9fa;
    font-size: 14px;
}

.container {
    width: 95%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 12px;
}

/* Header compacto */
header {
    background: linear-gradient(135deg, #2c3e50, #3498db);
    color: white;
    padding: 1rem 0;
    margin-bottom: 1.5rem;
}

.header-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.logo-container {
    margin-bottom: 0.5rem;
}

.club-logo {
    max-height: 70px;
    max-width: 100%;
    height: auto;
}

header h1 {
    font-size: 1.5rem;
    margin-bottom: 0.3rem;
}

header p {
    font-size: 0.9rem;
    opacity: 0.9;
}

/* Navegación principal compacta */
.main-nav {
    background: #2c3e50;
    margin-bottom: 1.5rem;
}

.nav-container {
    display: flex;
    justify-content: center;
}

.main-nav ul {
    display: flex;
    list-style: none;
    flex-wrap: wrap;
    justify-content: center;
    padding: 0.3rem 0;
}

.main-nav li {
    margin: 0;
}

.main-nav a {
    display: block;
    color: white;
    text-decoration: none;
    padding: 0.6rem 0.8rem;
    font-size: 0.9rem;
    transition: background 0.3s ease;
}

.main-nav a:hover {
    background: #3498db;
}

/* Contenido principal */
main {
    margin-bottom: 2rem;
}

section {
    margin-bottom: 2rem;
}

h2 {
    font-size: 1.5rem;
    color: #2c3e50;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #3498db;
}

/* Grid de álbumes y fotos compacto */
.albums-grid, .photos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.2rem;
    margin: 1.2rem 0;
}

.album-card, .photo-card {
    background: white;
    border-radius: 6px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.album-card:hover, .photo-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.album-card img, .photo-card img {
    width: 100%;
    height: 160px;
    object-fit: cover;
}

.no-image {
    height: 160px;
    background: #ecf0f1;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #7f8c8d;
    font-size: 0.9rem;
}

.album-info, .photo-info {
    padding: 1rem;
}

.album-info h3 {
    font-size: 1.1rem;
    margin-bottom: 0.4rem;
    color: #2c3e50;
}

.album-info p, .photo-info p {
    color: #7f8c8d;
    font-size: 0.9rem;
    margin-bottom: 0.4rem;
}

.event-date, .photo-count {
    font-size: 0.85rem;
    font-weight: 500;
}

.photo-count {
    color: #3498db !important;
}

/* Botones compactos */
.action-buttons {
    display: flex;
    justify-content: center;
    gap: 0.8rem;
    margin: 1rem 0;
}

.btn {
    display: inline-block;
    padding: 0.6rem 1rem;
    border-radius: 4px;
    text-decoration: none;
    text-align: center;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.2s ease;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: #3498db;
    color: white;
}

.btn-primary:hover {
    background: #2980b9;
    transform: translateY(-1px);
}

.btn-back {
    background: #7f8c8d;
    color: white;
}

.btn-back:hover {
    background: #636e72;
    transform: translateY(-1px);
}

/* Mensajes compactos */
.success {
    background: #d4edda;
    color: #155724;
    padding: 0.8rem;
    border-radius: 4px;
    margin-bottom: 1.2rem;
    font-size: 0.9rem;
}

.error {
    background: #f8d7da;
    color: #721c24;
    padding: 0.8rem;
    border-radius: 4px;
    margin-bottom: 1.2rem;
    font-size: 0.9rem;
}

.info {
    background: #e3f2fd;
    padding: 1.2rem;
    border-radius: 4px;
    margin: 1.2rem 0;
    text-align: center;
    font-size: 0.9rem;
}

/* Panel de administración compacto */
.admin-header {
    background: linear-gradient(135deg, #2c3e50, #34495e);
    padding: 0.8rem 0;
    margin-bottom: 1.5rem;
}

.admin-header .container {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.admin-header h1 {
    font-size: 1.3rem;
    color: white;
    margin-bottom: 0.8rem;
}

.admin-header nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
}

.admin-header nav a {
    color: white;
    text-decoration: none;
    padding: 0.5rem 0.8rem;
    font-size: 0.9rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    transition: background 0.3s ease;
}

.admin-header nav a:hover {
    background: rgba(255, 255, 255, 0.2);
}

.admin-panel {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 1.5rem;
}

.create-form {
    background: white;
    padding: 1.2rem;
    border-radius: 6px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.create-form h3 {
    margin-bottom: 1.2rem;
    color: #2c3e50;
    font-size: 1.1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid #ddd;
}

.items-list {
    background: white;
    padding: 1.2rem;
    border-radius: 6px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.items-list h3 {
    margin-bottom: 1.2rem;
    color: #2c3e50;
    font-size: 1.1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid #ddd;
}

/* Formularios compactos */
.form-container {
    max-width: 700px;
    margin: 0 auto;
    background: white;
    padding: 1.5rem;
    border-radius: 6px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.3rem;
    font-weight: bold;
    color: #2c3e50;
    font-size: 0.9rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.6rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: inherit;
    font-size: 0.9rem;
}

.form-actions {
    display: flex;
    justify-content: space-between;
    gap: 0.8rem;
    margin-top: 1.2rem;
}

/* Tablas compactas */
.table-container {
    overflow-x: auto;
    margin: 1.2rem 0;
}

table {
    width: 100%;
    border-collapse: collapse;
    min-width: 500px;
    font-size: 0.9rem;
}

table th,
table td {
    padding: 0.6rem;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

table th {
    background: #f8f9fa;
    font-weight: bold;
    color: #2c3e50;
}

.thumbnail {
    width: 50px;
    height: 50px;
    object-fit: cover;
    border-radius: 3px;
}

.no-thumbnail {
    width: 50px;
    height: 50px;
    background: #ecf0f1;
    border-radius: 3px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #7f8c8d;
    font-size: 0.7rem;
}

.btn-edit,
.btn-delete {
    display: inline-block;
    padding: 0.3rem 0.5rem;
    border-radius: 3px;
    text-decoration: none;
    font-size: 0.8rem;
    margin-right: 0.3rem;
}

.btn-edit {
    background: #f39c12;
    color: white;
}

.btn-edit:hover {
    background: #e67e22;
}

.btn-delete {
    background: #e74c3c;
    color: white;
}

.btn-delete:hover {
    background: #c0392b;
}

/* Login mejorado */
.login-container {
    max-width: 400px;
    margin: 2rem auto;
    padding: 1.5rem;
    background: white;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.login-logo {
    max-width: 120px;
    margin: 0 auto 1rem;
    display: block;
}

.login-container h2 {
    text-align: center;
    margin-bottom: 1rem;
    color: #2c3e50;
    border-bottom: none;
}

.login-container > p {
    text-align: center;
    margin-bottom: 1.5rem;
    color: #7f8c8d;
    font-size: 0.9rem;
}

/* Footer compacto */
footer {
    background: #2c3e50;
    color: white;
    text-align: center;
    padding: 1.2rem 0;
    margin-top: 2rem;
    font-size: 0.9rem;
}

/* Responsive para móviles */
@media (max-width: 768px) {
    .container {
        width: 100%;
        padding: 0 10px;
    }
    
    header h1 {
        font-size: 1.3rem;
    }
    
    .club-logo {
        max-height: 60px;
    }
    
    .main-nav ul {
        flex-direction: column;
        width: 100%;
    }
    
    .main-nav a {
        text-align: center;
        padding: 0.5rem;
    }
    
    .albums-grid, .photos-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .album-card img, .photo-card img {
        height: 140px;
    }
    
    .no-image {
        height: 140px;
    }
    
    .admin-panel {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .admin-header .container {
        padding: 0 10px;
    }
    
    .admin-header nav {
        flex-direction: column;
        width: 100%;
    }
    
    .admin-header nav a {
        text-align: center;
        margin-bottom: 0.3rem;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .action-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        margin-bottom: 0.5rem;
    }
}

@media (max-width: 480px) {
    body {
        font-size: 13px;
    }
    
    .form-container {
        padding: 1rem;
    }
    
    .club-logo {
        max-height: 50px;
    }
    
    .login-container {
        margin: 1rem auto;
        padding: 1.2rem;
    }
    
    .login-logo {
        max-width: 100px;
    }
    
    h2 {
        font-size: 1.3rem;
    }
    
    .album-info, .photo-info {
        padding: 0.8rem;
    }
    
    .album-info h3 {
        font-size: 1rem;
    }
}