/* ==================== ADMIN PANEL STYLES ==================== */
:root {
    --admin-primary: #2563eb;
    --admin-secondary: #1e40af;
    --admin-success: #10b981;
    --admin-danger: #ef4444;
    --admin-warning: #f59e0b;
    --admin-dark: #1f2937;
    --admin-sidebar: #111827;
    --admin-bg: #f9fafb;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--admin-bg);
    color: #374151;
}

/* ==================== LOGIN PAGE ==================== */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--admin-primary), var(--admin-secondary));
}

.login-container {
    width: 100%;
    max-width: 420px;
    padding: 2rem;
}

.login-box {
    background: white;
    padding: 3rem;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-header i {
    font-size: 4rem;
    color: var(--admin-primary);
    margin-bottom: 1rem;
}

.login-header h1 {
    font-size: 1.8rem;
    color: var(--admin-dark);
    margin-bottom: 0.5rem;
}

.login-header p {
    color: #6b7280;
}

.login-footer {
    text-align: center;
    margin-top: 2rem;
}

.login-footer a {
    color: var(--admin-primary);
    text-decoration: none;
}

/* ==================== ADMIN LAYOUT ==================== */
.admin-header {
    background: white;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 999;
}

.admin-header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}

.admin-logo h2 {
    color: var(--admin-primary);
    font-size: 1.5rem;
}

.admin-user {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.admin-user-info {
    text-align: right;
}

.admin-user-name {
    font-weight: 600;
    color: var(--admin-dark);
}

.admin-user-role {
    font-size: 0.85rem;
    color: #6b7280;
}

.admin-container {
    display: flex;
    min-height: calc(100vh - 70px);
}

/* ==================== SIDEBAR ==================== */
.admin-sidebar {
    width: 260px;
    background: var(--admin-sidebar);
    color: white;
    padding: 2rem 0;
}

.admin-menu {
    list-style: none;
}

.admin-menu li {
    margin-bottom: 0.5rem;
}

.admin-menu a {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.875rem 1.5rem;
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    transition: all 0.3s;
}

.admin-menu a:hover,
.admin-menu a.active {
    background: rgba(255,255,255,0.1);
    color: white;
    border-left: 3px solid var(--admin-primary);
}

.admin-menu i {
    width: 20px;
    font-size: 1.1rem;
}

/* ==================== MAIN CONTENT ==================== */
.admin-main {
    flex: 1;
    padding: 2rem;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.page-header h1 {
    font-size: 2rem;
    color: var(--admin-dark);
}

/* ==================== STATS CARDS ==================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
}

.bg-blue { background: var(--admin-primary); }
.bg-green { background: var(--admin-success); }
.bg-orange { background: var(--admin-warning); }
.bg-purple { background: #8b5cf6; }
.bg-red { background: var(--admin-danger); }

.stat-details h3 {
    font-size: 2rem;
    color: var(--admin-dark);
    margin-bottom: 0.25rem;
}

.stat-details p {
    color: #6b7280;
    font-size: 0.95rem;
}

/* ==================== DASHBOARD GRID ==================== */
.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.dashboard-card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    overflow: hidden;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid #e5e7eb;
}

.card-header h2 {
    font-size: 1.25rem;
    color: var(--admin-dark);
}

.card-header a {
    color: var(--admin-primary);
    font-weight: 600;
    text-decoration: none;
}

.card-body {
    padding: 1.5rem;
}

.no-data {
    text-align: center;
    padding: 2rem;
    color: #6b7280;
}

/* ==================== DATA TABLE ==================== */
.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th,
.data-table td {
    padding: 0.875rem;
    text-align: left;
    border-bottom: 1px solid #e5e7eb;
}

.data-table th {
    background: #f9fafb;
    font-weight: 600;
    color: var(--admin-dark);
    font-size: 0.9rem;
}

.data-table tr:hover {
    background: #f9fafb;
}

.data-table img {
    width: 50px;
    height: 50px;
    object-fit: cover;
    border-radius: 6px;
}

/* ==================== BADGES ==================== */
.badge {
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    display: inline-block;
}

.badge-available, .badge-new { background: #d1fae5; color: #065f46; }
.badge-sold { background: #fee2e2; color: #991b1b; }
.badge-reserved, .badge-contacted { background: #fef3c7; color: #92400e; }
.badge-converted { background: #dbeafe; color: #1e40af; }
.badge-rejected { background: #f3f4f6; color: #4b5563; }

/* ==================== BUTTONS ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    border-radius: 6px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s;
    font-size: 0.95rem;
}

.btn-primary {
    background: var(--admin-primary);
    color: white;
}

.btn-primary:hover {
    background: var(--admin-secondary);
}

.btn-secondary {
    background: #6b7280;
    color: white;
}

.btn-secondary:hover {
    background: #4b5563;
}

.btn-success {
    background: var(--admin-success);
    color: white;
}

.btn-danger {
    background: var(--admin-danger);
    color: white;
}

.btn-danger:hover {
    background: #dc2626;
}

.btn-sm {
    padding: 0.4rem 0.875rem;
    font-size: 0.875rem;
}

.btn-block {
    width: 100%;
    justify-content: center;
}

/* ==================== FORMS ==================== */
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

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

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--admin-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    font-size: 1rem;
    font-family: inherit;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--admin-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

/* ==================== CONTENT CARD ==================== */
.content-card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    padding: 2rem;
    margin-bottom: 2rem;
}

.content-card h2 {
    margin-bottom: 1.5rem;
    color: var(--admin-dark);
}

/* ==================== IMAGE UPLOAD ==================== */
.image-upload-box {
    border: 2px dashed #d1d5db;
    border-radius: 8px;
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
}

.image-upload-box:hover {
    border-color: var(--admin-primary);
    background: #f9fafb;
}

.image-upload-box i {
    font-size: 3rem;
    color: #9ca3af;
    margin-bottom: 1rem;
}

.image-preview {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.image-preview-item {
    position: relative;
}

.image-preview-item img {
    width: 100%;
    height: 120px;
    object-fit: cover;
    border-radius: 8px;
}

.image-remove {
    position: absolute;
    top: 5px;
    right: 5px;
    background: var(--admin-danger);
    color: white;
    border: none;
    width: 25px;
    height: 25px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ==================== ACTION BUTTONS ==================== */
.table-actions {
    display: flex;
    gap: 0.5rem;
}

/* ==================== ALERT ==================== */
.alert {
    padding: 1rem;
    border-radius: 6px;
    margin-bottom: 1.5rem;
}

.alert-success {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #10b981;
}

.alert-error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #ef4444;
}

.alert-info {
    background: #dbeafe;
    color: #1e40af;
    border: 1px solid #3b82f6;
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 1024px) {
    .admin-container {
        flex-direction: column;
    }
    
    .admin-sidebar {
        width: 100%;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .admin-main {
        padding: 1rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .page-header {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }
}