:root {
    --primary: #4f46e5;
    --primary-dark: #4338ca;
    --primary-light: #eef2ff;
    --secondary: #64748b;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --dark: #1e293b;
    --light: #f8fafc;
    --white: #ffffff;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --radius: 12px;
    --sidebar-width: 280px;
}

/* Layout & General */
.admin-container {
    display: flex;
    min-height: calc(100vh - 60px);
    background-color: var(--light);
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    color: var(--dark);
}

/* Sidebar */
.admin-sidebar {
    width: var(--sidebar-width);
    background: var(--white);
    border-right: 1px solid var(--gray-200);
    position: sticky;
    top: 0;
    height: calc(100vh - 60px);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    z-index: 10;
}

.admin-logo {
    padding: 24px;
    border-bottom: 1px solid var(--gray-100);
}

.admin-logo h2 {
    margin: 0;
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.admin-nav {
    padding: 20px 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.admin-nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border: none;
    background: transparent;
    color: var(--secondary);
    font-size: 14px;
    font-weight: 500;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: left;
    width: 100%;
}

.admin-nav-item i {
    font-size: 18px;
    width: 24px;
    text-align: center;
    transition: transform 0.2s;
}

.admin-nav-item:hover {
    background-color: var(--gray-100);
    color: var(--primary);
}

.admin-nav-item:hover i {
    transform: translateX(2px);
}

.admin-nav-item.active {
    background-color: var(--primary-light);
    color: var(--primary);
    font-weight: 600;
}

/* Main Content */
.admin-main {
    flex: 1;
    padding: 32px;
    overflow-y: auto;
    max-width: calc(100vw - var(--sidebar-width));
}

.admin-section {
    max-width: 1400px;
    margin: 0 auto;
    animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
}

.admin-header h1 {
    font-size: 28px;
    font-weight: 800;
    color: var(--dark);
    margin: 0;
    letter-spacing: -0.5px;
}

.admin-header p {
    color: var(--secondary);
    margin-top: 4px;
}

/* Stats Cards */
.admin-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.admin-stat-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-100);
    display: flex;
    align-items: center;
    gap: 20px;
    transition: transform 0.2s, box-shadow 0.2s;
}

.admin-stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.admin-stat-icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    background: var(--primary-light);
    color: var(--primary);
}

.admin-stat-content {
    flex: 1;
}

.admin-stat-label {
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--secondary);
    margin-bottom: 4px;
}

.admin-stat-value {
    font-size: 24px;
    font-weight: 800;
    color: var(--dark);
}

/* Quick Actions */
.admin-quick-actions {
    background: var(--white);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-100);
    margin-bottom: 32px;
}

.admin-quick-actions h3 {
    margin: 0 0 20px 0;
    font-size: 18px;
    font-weight: 700;
}

.admin-actions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.admin-action-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 20px;
    background: var(--light);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.2s;
    text-align: center;
}

.admin-action-btn:hover {
    background: var(--white);
    border-color: var(--primary);
    box-shadow: var(--shadow);
    transform: translateY(-2px);
}

.admin-action-btn i {
    font-size: 24px;
    color: var(--primary);
    background: var(--primary-light);
    padding: 12px;
    border-radius: 50%;
}

.admin-action-btn span {
    font-weight: 600;
    color: var(--dark);
    font-size: 14px;
}

/* Search Bar */
.admin-search-bar {
    position: relative;
    margin-bottom: 24px;
    max-width: 400px;
}

.admin-search-bar i {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--secondary);
}

.admin-search-bar input {
    width: 100%;
    padding: 12px 16px 12px 48px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: 14px;
    color: var(--dark);
    transition: all 0.2s;
    box-shadow: var(--shadow-sm);
}

.admin-search-bar input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

/* Tables */
.admin-table-container {
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-200);
    overflow: hidden;
}

.admin-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

.admin-table th {
    background: var(--gray-100);
    padding: 16px 24px;
    text-align: left;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--secondary);
    border-bottom: 1px solid var(--gray-200);
}

.admin-table td {
    padding: 16px 24px;
    border-bottom: 1px solid var(--gray-100);
    color: var(--dark);
    font-size: 14px;
    vertical-align: middle;
}

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

.admin-table tbody tr {
    transition: background 0.1s;
}

.admin-table tbody tr:hover {
    background-color: var(--primary-light);
}

/* Cards Grid */
.admin-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.admin-card-item {
    background: var(--white);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-200);
    transition: all 0.2s;
}

.admin-card-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.admin-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--gray-100);
}

.admin-card-bank {
    font-weight: 700;
    color: var(--dark);
    font-size: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.admin-card-bank::before {
    content: '';
    display: block;
    width: 8px;
    height: 8px;
    background: var(--success);
    border-radius: 50%;
}

.admin-card-body {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.admin-card-field {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
}

.admin-card-label {
    color: var(--secondary);
}

.admin-card-value {
    color: var(--dark);
    font-weight: 600;
    font-family: 'Monaco', 'Consolas', monospace;
}

/* Badges */
.admin-badge {
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.admin-badge-pending {
    background: #fffbeb;
    color: #b45309;
    border: 1px solid #fcd34d;
}

.admin-badge-completed {
    background: #ecfdf5;
    color: #047857;
    border: 1px solid #6ee7b7;
}

.admin-badge-failed, .admin-badge-cancelled {
    background: #fef2f2;
    color: #b91c1c;
    border: 1px solid #fca5a5;
}

.admin-badge-processing {
    background: #eff6ff;
    color: #1d4ed8;
    border: 1px solid #93c5fd;
}

/* Buttons */
.admin-btn-primary {
    background: var(--primary);
    color: var(--white);
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s;
    box-shadow: 0 2px 4px rgba(79, 70, 229, 0.3);
}

.admin-btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 6px rgba(79, 70, 229, 0.4);
}

.admin-btn-secondary {
    background: var(--white);
    color: var(--dark);
    border: 1px solid var(--gray-300);
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s;
}

.admin-btn-secondary:hover {
    background: var(--gray-100);
    border-color: var(--gray-400);
}

.admin-btn-small {
    padding: 6px 12px;
    font-size: 12px;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    margin: 0 2px;
    font-weight: 600;
    transition: all 0.2s;
}

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

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

/* Forms */
.admin-form-container {
    background: var(--white);
    padding: 24px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.admin-form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--dark);
    font-size: 14px;
}

.admin-textarea, .admin-select {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--gray-300);
    border-radius: 8px;
    font-family: inherit;
    font-size: 14px;
    transition: all 0.2s;
}

.admin-textarea:focus, .admin-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

/* Chat & Logs */
.admin-logs-container, .admin-chat-container {
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-200);
    max-height: 600px;
    overflow-y: auto;
}

.admin-log-item, .admin-chat-message {
    padding: 16px 24px;
    border-bottom: 1px solid var(--gray-100);
}

.admin-log-header, .admin-chat-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
    font-size: 13px;
}

.admin-log-user {
    color: var(--primary);
    font-weight: 600;
    background: var(--primary-light);
    padding: 2px 8px;
    border-radius: 4px;
}

/* Responsive */
@media (max-width: 768px) {
    .admin-container {
        flex-direction: column;
    }

    .admin-sidebar {
        width: 100%;
        height: auto;
        border-right: none;
        border-bottom: 1px solid var(--gray-200);
        position: relative;
    }

    .admin-nav {
        flex-direction: row;
        overflow-x: auto;
        padding: 12px;
    }

    .admin-nav-item {
        white-space: nowrap;
        width: auto;
        padding: 8px 16px;
    }

    .admin-main {
        max-width: 100%;
        padding: 16px;
    }
    
    .admin-stats-grid {
        grid-template-columns: 1fr;
    }
}