/* BlockHive Admin Styles */

:root {
    --primary-dark: #0f1419;
    --primary-navy: #1a1f3a;
    --secondary-navy: #2d3561;
    --accent-cyan: #00d4ff;
    --accent-blue: #0080ff;
    --text-light: #e0e0e0;
    --text-muted: #9ca3af;
    --border-color: #3a3f5c;
    --success: #4caf50;
    --danger: #f44336;
    --warning: #ff9800;
}

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

.admin-wrapper {
    display: flex;
    min-height: 100vh;
    background: var(--primary-dark);
    color: var(--text-light);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* Sidebar */
.admin-sidebar {
    width: 250px;
    background: rgba(26, 31, 58, 0.95);
    border-right: 1px solid var(--border-color);
    padding: 20px;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
}

.admin-sidebar-logo {
    font-size: 20px;
    font-weight: 700;
    color: var(--accent-cyan);
    margin-bottom: 30px;
    text-align: center;
}

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

.admin-menu-item {
    margin-bottom: 10px;
}

.admin-menu-item a {
    display: block;
    padding: 12px 16px;
    color: var(--text-light);
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.admin-menu-item a:hover,
.admin-menu-item a.active {
    background: rgba(0, 212, 255, 0.1);
    color: var(--accent-cyan);
    border-left: 3px solid var(--accent-cyan);
    padding-left: 13px;
}

.admin-menu-logout {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

/* Main Content */
.admin-main {
    margin-left: 250px;
    flex: 1;
    padding: 30px;
    overflow-y: auto;
}

/* Header */
.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.admin-header h1 {
    font-size: 28px;
    color: var(--accent-cyan);
}

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

.admin-user-info .username {
    font-weight: 600;
    margin-bottom: 5px;
}

.admin-user-info .logout-btn {
    color: var(--accent-cyan);
    text-decoration: none;
    font-size: 12px;
}

.admin-user-info .logout-btn:hover {
    text-decoration: underline;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: rgba(45, 53, 97, 0.5);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    transition: all 0.3s ease;
}

.stat-card:hover {
    border-color: var(--accent-cyan);
    background: rgba(45, 53, 97, 0.7);
}

.stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--accent-cyan);
    margin-bottom: 8px;
}

.stat-label {
    font-size: 13px;
    color: var(--text-muted);
}

/* Tables */
.admin-table {
    width: 100%;
    border-collapse: collapse;
    background: rgba(45, 53, 97, 0.3);
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.admin-table thead {
    background: rgba(45, 53, 97, 0.7);
    border-bottom: 2px solid var(--border-color);
}

.admin-table th {
    padding: 14px;
    text-align: left;
    font-weight: 600;
    color: var(--accent-cyan);
    font-size: 13px;
}

.admin-table td {
    padding: 14px;
    border-bottom: 1px solid var(--border-color);
    font-size: 14px;
}

.admin-table tbody tr:hover {
    background: rgba(0, 212, 255, 0.05);
}

/* Buttons */
.btn-approve,
.btn-reject,
.btn-view-receipt,
.btn-view-client {
    padding: 6px 12px;
    margin: 2px;
    border: none;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-approve {
    background: rgba(76, 175, 80, 0.2);
    color: #4caf50;
    border: 1px solid #4caf50;
}

.btn-approve:hover {
    background: #4caf50;
    color: white;
}

.btn-reject {
    background: rgba(244, 67, 54, 0.2);
    color: #f44336;
    border: 1px solid #f44336;
}

.btn-reject:hover {
    background: #f44336;
    color: white;
}

.btn-view-receipt,
.btn-view-client {
    background: rgba(0, 212, 255, 0.2);
    color: var(--accent-cyan);
    border: 1px solid var(--accent-cyan);
}

.btn-view-receipt:hover,
.btn-view-client:hover {
    background: var(--accent-cyan);
    color: var(--primary-dark);
}

/* Modal */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.modal-overlay.active {
    display: flex;
}

.modal-content {
    background: var(--primary-navy);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 30px;
    max-width: 600px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
}

.modal-close {
    position: absolute;
    top: 15px;
    right: 15px;
    background: none;
    border: none;
    color: var(--text-light);
    font-size: 24px;
    cursor: pointer;
}

.modal-header {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--accent-cyan);
}

.modal-body {
    margin-bottom: 20px;
}

.modal-footer {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

/* Receipt Preview */
.receipt-preview {
    max-width: 100%;
    max-height: 500px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin: 20px 0;
}

/* Form Groups */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-light);
    font-weight: 500;
    font-size: 14px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 10px 12px;
    background: rgba(26, 31, 58, 0.8);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-light);
    font-size: 14px;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-cyan);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

/* Tabs */
.admin-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
    border-bottom: 1px solid var(--border-color);
}

.admin-tabs a,
.admin-tabs button {
    padding: 12px 20px;
    background: none;
    border: none;
    color: var(--text-light);
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    border-bottom: 3px solid transparent;
    transition: all 0.3s ease;
}

.admin-tabs a:hover,
.admin-tabs button:hover,
.admin-tabs a.active,
.admin-tabs button.active {
    color: var(--accent-cyan);
    border-bottom-color: var(--accent-cyan);
}

/* Alerts */
.alert {
    padding: 16px;
    border-radius: 8px;
    margin-bottom: 20px;
    border-left: 4px solid;
}

.alert-success {
    background: rgba(76, 175, 80, 0.1);
    border-color: #4caf50;
    color: #4caf50;
}

.alert-error {
    background: rgba(244, 67, 54, 0.1);
    border-color: #f44336;
    color: #f44336;
}

.alert-warning {
    background: rgba(255, 152, 0, 0.1);
    border-color: #ff9800;
    color: #ff9800;
}

.alert-info {
    background: rgba(0, 212, 255, 0.1);
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
}

/* Responsive */
@media (max-width: 768px) {
    .admin-wrapper {
        flex-direction: column;
    }
    
    .admin-sidebar {
        width: 100%;
        height: auto;
        position: relative;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }
    
    .admin-main {
        margin-left: 0;
        padding: 20px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .admin-table {
        font-size: 12px;
    }
    
    .admin-table th,
    .admin-table td {
        padding: 8px;
    }
}