/* ===== ADMIN PANEL - CSS ===== */

/* ===== LOGIN PAGE ===== */
.admin-login-body {
    margin: 0;
    padding: 0;
    font-family: var(--font-primary);
    background: #f8f9fa;
    overflow: hidden;
    height: 100vh;
}

.login-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
}

.login-background img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: blur(2px);
}

.login-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(61, 95, 172, 0.9), rgba(20, 38, 77, 0.8));
    z-index: -1;
}

.login-container {
    display: grid;
    grid-template-columns: 450px 1fr;
    height: 100vh;
    max-width: 1200px;
    margin: 0 auto;
    box-shadow: var(--shadow-strong);
}

.login-card {
    background: var(--primary-white);
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    z-index: 1;
}

.login-header {
    text-align: center;
    margin-bottom: 40px;
}

.login-logo {
    height: 80px;
    width: auto;
    margin-bottom: 20px;
}

.login-header h1 {
    font-size: 1.8rem;
    color: var(--primary-blue);
    margin-bottom: 8px;
    font-weight: 700;
}

.login-header p {
    color: var(--secondary-gray);
    font-size: 0.95rem;
    margin: 0;
}

/* Login Form */
.login-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    color: var(--primary-black);
    margin-bottom: 8px;
    font-size: 0.95rem;
}

.form-group label i {
    color: var(--primary-blue);
    width: 16px;
}

.form-group input {
    padding: 14px 16px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 1rem;
    transition: var(--transition-fast);
    background: var(--primary-white);
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(61, 95, 172, 0.1);
}

.password-input-container {
    position: relative;
}

.toggle-password {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--secondary-gray);
    cursor: pointer;
    padding: 8px;
    border-radius: 4px;
    transition: var(--transition-fast);
}

.toggle-password:hover {
    color: var(--primary-blue);
    background: rgba(61, 95, 172, 0.1);
}

/* Checkbox */
.checkbox-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--secondary-gray);
    gap: 10px;
}

.checkbox-label input[type="checkbox"] {
    display: none;
}

.checkbox-label .checkmark {
    width: 18px;
    height: 18px;
    border: 2px solid #d1d5db;
    border-radius: 4px;
    position: relative;
    transition: var(--transition-fast);
    flex-shrink: 0;
}

.checkbox-label input[type="checkbox"]:checked + .checkmark {
    background: var(--primary-blue);
    border-color: var(--primary-blue);
}

.checkbox-label input[type="checkbox"]:checked + .checkmark::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--primary-white);
    font-size: 12px;
    font-weight: bold;
}

/* Login Button */
.login-btn {
    background: var(--primary-blue);
    color: var(--primary-white);
    border: none;
    padding: 16px 24px;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.login-btn:hover:not(:disabled) {
    background: var(--secondary-dark-blue);
    transform: translateY(-1px);
    box-shadow: var(--shadow-medium);
}

.login-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.login-btn .btn-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

/* Messages */
.login-message {
    padding: 12px 16px;
    border-radius: 6px;
    margin-top: 16px;
    font-size: 0.9rem;
    text-align: center;
}

.login-message.success {
    background: rgba(34, 197, 94, 0.1);
    color: #059669;
    border: 1px solid rgba(34, 197, 94, 0.2);
}

.login-message.error {
    background: rgba(239, 68, 68, 0.1);
    color: #dc2626;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

/* Login Footer */
.login-footer {
    margin-top: 40px;
    text-align: center;
    border-top: 1px solid #e5e7eb;
    padding-top: 24px;
}

.login-footer p {
    color: var(--secondary-gray);
    font-size: 0.8rem;
    margin-bottom: 12px;
}

.back-to-site {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-blue);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition-fast);
}

.back-to-site:hover {
    text-decoration: underline;
}

/* Features Panel */
.features-panel {
    background: linear-gradient(135deg, rgba(61, 95, 172, 0.95), rgba(20, 38, 77, 0.95));
    color: var(--primary-white);
    padding: 40px;
    display: flex;
    align-items: center;
    backdrop-filter: blur(10px);
}

.features-content h2 {
    font-size: 2.2rem;
    margin-bottom: 30px;
    text-align: center;
    font-weight: 700;
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition-fast);
}

.feature-item:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateX(5px);
}

.feature-item i {
    font-size: 1.8rem;
    color: rgba(255, 255, 255, 0.9);
    flex-shrink: 0;
    margin-top: 4px;
}

.feature-item h3 {
    font-size: 1.1rem;
    margin-bottom: 4px;
    font-weight: 600;
}

.feature-item p {
    font-size: 0.9rem;
    opacity: 0.9;
    line-height: 1.4;
    margin: 0;
}

/* ===== ADMIN DASHBOARD ===== */
.admin-body {
    background: #f8f9fa;
    font-family: var(--font-primary);
}

.admin-container {
    display: grid;
    grid-template-columns: 280px 1fr;
    min-height: 100vh;
}

/* Sidebar */
.admin-sidebar {
    background: var(--primary-white);
    border-right: 1px solid #e5e7eb;
    box-shadow: var(--shadow-light);
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    width: 280px;
    overflow-y: auto;
    z-index: 1000;
}

.sidebar-header {
    padding: 24px 20px;
    border-bottom: 1px solid #e5e7eb;
    text-align: center;
}

.sidebar-logo {
    display: none; /* Oculto en desktop, solo visible en mobile */
    height: 60px;
    width: auto;
    margin-bottom: 12px;
}

.sidebar-title {
    font-size: 1.1rem;
    color: var(--primary-blue);
    margin: 0;
    font-weight: 600;
}

.sidebar-nav {
    padding: 20px 0;
}

.nav-section {
    margin-bottom: 24px;
}

.nav-section-title {
    padding: 0 20px 8px;
    font-size: 0.8rem;
    color: var(--secondary-gray);
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.nav-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.nav-item {
    margin-bottom: 2px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    color: var(--primary-black);
    text-decoration: none;
    transition: var(--transition-fast);
    font-size: 0.95rem;
    position: relative;
}

.nav-link:hover {
    background: rgba(61, 95, 172, 0.1);
    color: var(--primary-blue);
}

.nav-link.active {
    background: var(--primary-blue);
    color: var(--primary-white);
}

.nav-link.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--secondary-dark-blue);
}

.nav-link i {
    font-size: 1.1rem;
    width: 20px;
    text-align: center;
}

.nav-badge {
    background: #ef4444;
    color: var(--primary-white);
    font-size: 0.75rem;
    padding: 2px 6px;
    border-radius: 10px;
    margin-left: auto;
}

/* Main Content */
.admin-main {
    margin-left: 280px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.admin-header {
    background: var(--primary-white);
    border-bottom: 1px solid #e5e7eb;
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow-light);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-left h1 {
    font-size: 1.5rem;
    color: var(--primary-black);
    margin: 0;
    font-weight: 600;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.user-menu {
    position: relative;
}

.user-button {
    display: flex;
    align-items: center;
    gap: 10px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px 12px;
    border-radius: 8px;
    transition: var(--transition-fast);
}

.user-button:hover {
    background: #f8f9fa;
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--primary-blue);
    color: var(--primary-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.9rem;
}

.user-info {
    text-align: left;
}

.user-name {
    font-weight: 600;
    color: var(--primary-black);
    font-size: 0.9rem;
    line-height: 1.2;
}

.user-role {
    font-size: 0.8rem;
    color: var(--secondary-gray);
    line-height: 1.2;
}

/* Content Area */
.admin-content {
    flex: 1;
    padding: 24px;
}

/* Cards */
.admin-card {
    background: var(--primary-white);
    border-radius: 12px;
    box-shadow: var(--shadow-light);
    border: 1px solid #e5e7eb;
    overflow: hidden;
}

.card-header {
    padding: 20px 24px;
    border-bottom: 1px solid #e5e7eb;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-title {
    font-size: 1.2rem;
    color: var(--primary-black);
    margin: 0;
    font-weight: 600;
}

.card-body {
    padding: 24px;
}

/* Buttons */
.btn-primary {
    background: var(--primary-blue);
    color: var(--primary-white);
    border: none;
    padding: 10px 20px;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

.btn-primary:hover {
    background: var(--secondary-dark-blue);
    transform: translateY(-1px);
}

.btn-secondary {
    background: #6c757d;
    color: var(--primary-white);
    border: none;
    padding: 10px 20px;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-secondary:hover {
    background: #5a6268;
}

.btn-outline {
    background: transparent;
    color: var(--primary-blue);
    border: 1px solid var(--primary-blue);
    padding: 10px 20px;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-outline:hover {
    background: var(--primary-blue);
    color: var(--primary-white);
}

/* Tables */
.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.admin-table th,
.admin-table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #e5e7eb;
}

.admin-table th {
    background: #f8f9fa;
    font-weight: 600;
    color: var(--primary-black);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.admin-table tr:hover {
    background: #f8f9fa;
}

/* Status Badges */
.status-badge {
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.status-badge.available {
    background: rgba(34, 197, 94, 0.1);
    color: #059669;
}

.status-badge.reserved {
    background: rgba(251, 191, 36, 0.1);
    color: #d97706;
}

.status-badge.sold {
    background: rgba(156, 163, 175, 0.1);
    color: #6b7280;
}

/* Loading States */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top: 3px solid var(--primary-white);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1024px) {
    .login-container {
        grid-template-columns: 1fr;
    }
    
    .features-panel {
        display: none;
    }
    
    .login-card {
        max-width: 450px;
        margin: 0 auto;
        height: 100vh;
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .admin-container {
        grid-template-columns: 1fr;
    }

    .sidebar-logo {
        display: block; /* Mostrar en mobile/tablet */
    }

    .admin-sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }

    .admin-sidebar.open {
        transform: translateX(0);
    }
    
    .admin-main {
        margin-left: 0;
    }
    
    .admin-header {
        padding: 12px 16px;
    }
    
    .admin-content {
        padding: 16px;
    }
    
    .login-card {
        padding: 24px;
    }
    
    .login-header h1 {
        font-size: 1.5rem;
    }
    
    .features-content h2 {
        font-size: 1.8rem;
    }
}

@media (max-width: 480px) {
    .login-card {
        padding: 20px;
    }
    
    .login-form {
        gap: 20px;
    }
    
    .form-group input {
        padding: 12px 14px;
    }
    
    .login-btn {
        padding: 14px 20px;
    }
}

/* ============================================
   PREVISUALIZACIÓN DE IMÁGENES SELECCIONADAS
   ============================================ */

#selected-images {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 16px;
    margin-top: 16px;
    padding: 16px;
    background: #f8f9fa;
    border-radius: 8px;
    border: 2px dashed #dee2e6;
}

#selected-images:empty {
    display: none;
}

.selected-image {
    position: relative;
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.selected-image:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

.selected-image img {
    width: 100%;
    height: 150px;
    object-fit: cover;
    display: block;
    border-bottom: 1px solid #e9ecef;
}

.image-info {
    padding: 8px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    background: white;
}

.image-name {
    font-size: 0.75rem;
    color: #495057;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.image-size {
    font-size: 0.7rem;
    color: #6c757d;
}

.remove-image {
    position: absolute;
    top: 8px;
    right: 8px;
    background: rgba(220, 53, 69, 0.9);
    color: white;
    border: none;
    border-radius: 50%;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.remove-image:hover {
    background: #dc3545;
    transform: scale(1.1);
}

.remove-image i {
    font-size: 0.875rem;
}

.images-counter {
    grid-column: 1 / -1;
    text-align: center;
    padding: 12px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.9rem;
    margin-top: 8px;
}

/* ============================================
   DRAG AND DROP PARA REORDENAR IMÁGENES
   ============================================ */

.selected-image {
    cursor: grab;
    user-select: none;
}

.selected-image:active {
    cursor: grabbing;
}

.selected-image.dragging {
    opacity: 0.5;
    transform: scale(0.95);
    cursor: grabbing;
}

.selected-image.drag-over {
    border: 3px dashed var(--primary-blue);
    background: rgba(61, 95, 172, 0.1);
    transform: scale(1.05);
}

.drag-handle {
    position: absolute;
    top: 8px;
    left: 8px;
    background: rgba(61, 95, 172, 0.9);
    color: white;
    border-radius: 4px;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: grab;
    transition: all 0.2s ease;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
    z-index: 10;
}

.drag-handle:hover {
    background: var(--primary-blue);
    transform: scale(1.1);
}

.drag-handle:active {
    cursor: grabbing;
}

.drag-handle i {
    font-size: 0.875rem;
}

.image-order {
    display: inline-block;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 4px;
    margin-bottom: 4px;
    min-width: 30px;
    text-align: center;
}

.images-counter {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.images-counter i {
    font-size: 0.85rem;
}

.images-counter strong {
    font-weight: 700;
}

/* Responsive para imágenes seleccionadas */
@media (max-width: 768px) {
    #selected-images {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
        gap: 12px;
        padding: 12px;
    }

    .selected-image img {
        height: 120px;
    }
}

@media (max-width: 480px) {
    #selected-images {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
        padding: 8px;
    }

    .selected-image img {
        height: 100px;
    }

    .image-name {
        font-size: 0.7rem;
    }

    .image-size {
        font-size: 0.65rem;
    }
}