/* Admin Panel Styles - Based on main design system */

/* ===== CSS Variables ===== */
:root {
    --color-primary: #9966FF;
    --color-accent: #0A2540;
    --color-background: #F6F9FC;
    --color-text-primary: #0A2540;
    --color-link: #0A2540;
    --color-input-bg: #F6F9FB;
    --color-input-border: #E0E5EB;
    --color-white: #FFFFFF;
    --color-text-secondary: #6B7280;
    --color-border: #E0E5EB;
    --color-success: #10B981;
    --color-error: #EF4444;
    
    --font-family: Tahoma, 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
    --font-size-h1: 32px;
    --font-size-h2: 13px;
    --font-size-body: 16px;
    
    --border-radius: 4px;
    --border-radius-input: 32px;
    --border-radius-button: 4px;
    
    --spacing-base: 4px;
    --spacing-xs: calc(var(--spacing-base) * 2);
    --spacing-sm: calc(var(--spacing-base) * 4);
    --spacing-md: calc(var(--spacing-base) * 6);
    --spacing-lg: calc(var(--spacing-base) * 8);
    --spacing-xl: calc(var(--spacing-base) * 12);
    --spacing-2xl: calc(var(--spacing-base) * 16);
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    
    --transition: all 0.2s ease-in-out;
}

/* ===== Reset & Base Styles ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-body);
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: var(--font-size-h1);
    font-weight: 700;
    letter-spacing: -0.02em;
}

/* ===== Header & Navigation ===== */
.header {
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
    background-color: rgba(246, 249, 252, 0.9);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    height: 40px;
    gap: var(--spacing-sm);
    font-weight: 600;
    color: var(--color-text-primary);
}

.logo img {
    height: 40px;
    width: auto;
    max-width: 120px;
    object-fit: contain;
}

/* ===== Buttons ===== */
.btn {
    display: inline-block;
    padding: 12px 24px;
    font-size: 14px;
    font-weight: 600;
    text-align: center;
    border-radius: var(--border-radius-button);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    line-height: 1.5;
}

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

.btn-primary:hover {
    background-color: #8855EE;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ===== Admin Specific Styles ===== */

/* Main Layout */
.main-content {
    padding: var(--spacing-xl) 0;
    min-height: calc(100vh - 80px);
}

.page-header {
    margin-bottom: var(--spacing-lg);
}

.page-header h1 {
    margin-bottom: var(--spacing-xs);
}

.page-description {
    color: var(--color-text-secondary);
    font-size: 14px;
}

/* Navigation User Section */
.nav-user {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.nav-user span {
    color: var(--color-text-primary);
    font-weight: 500;
}

/* Filters Section */
.filters-section {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.filter-buttons {
    display: flex;
    gap: var(--spacing-xs);
}

.filter-btn {
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 500;
    background-color: var(--color-white);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn:hover {
    background-color: var(--color-background);
    border-color: var(--color-primary);
}

.filter-btn.active {
    background-color: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

.search-box {
    flex: 1;
    max-width: 300px;
}

.search-box input {
    width: 100%;
    padding: 8px 16px;
    font-size: 14px;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-input);
    background-color: var(--color-input-bg);
    color: var(--color-text-primary);
}

.search-box input:focus {
    outline: none;
    border-color: var(--color-primary);
}

/* Loading Indicator */
.loading-indicator {
    text-align: center;
    padding: var(--spacing-xl);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--spacing-sm);
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Error Message */
.error-message {
    background-color: #FEE2E2;
    color: var(--color-error);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    border: 1px solid var(--color-error);
    margin-bottom: var(--spacing-md);
}

/* Users Table */
.users-container {
    background-color: var(--color-white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    overflow: hidden;
}

.table-wrapper {
    overflow-x: auto;
}

.users-table {
    width: 100%;
    border-collapse: collapse;
}

.users-table thead {
    background-color: var(--color-background);
}

.users-table th {
    padding: var(--spacing-md);
    text-align: left;
    font-weight: 600;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-secondary);
    border-bottom: 2px solid var(--color-border);
}

.users-table td {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
    font-size: 14px;
    color: var(--color-text-primary);
}

.users-table tbody tr:hover {
    background-color: var(--color-background);
}

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

/* User Avatar in Table */
.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    margin-right: var(--spacing-xs);
    vertical-align: middle;
}

/* Status Badge */
.status-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
}

.status-badge.paid {
    background-color: #D1FAE5;
    color: #065F46;
}

.status-badge.unpaid {
    background-color: #FEE2E2;
    color: #991B1B;
}

/* Action Buttons */
.action-buttons {
    display: flex;
    gap: var(--spacing-xs);
}

.btn-small {
    padding: 6px 12px;
    font-size: 12px;
}

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

.btn-danger:hover {
    background-color: #DC2626;
}

/* UUID Display */
.uuid-display {
    font-family: monospace;
    font-size: 12px;
    color: var(--color-text-secondary);
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

.pagination-btn {
    padding: 8px 16px;
    font-size: 14px;
    background-color: var(--color-white);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
}

.pagination-btn:hover:not(:disabled) {
    background-color: var(--color-background);
    border-color: var(--color-primary);
}

.pagination-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pagination-info {
    color: var(--color-text-secondary);
    font-size: 14px;
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(4px);
}

.modal-content {
    background-color: var(--color-white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.modal-header h2 {
    margin: 0;
    font-size: 20px;
}

.modal-close {
    background: none;
    border: none;
    font-size: 28px;
    color: var(--color-text-secondary);
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.modal-close:hover {
    background-color: var(--color-background);
    color: var(--color-text-primary);
}

.modal-body {
    padding: var(--spacing-lg);
}

/* Form Styles */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    font-size: 14px;
    color: var(--color-text-primary);
}

.form-control {
    width: 100%;
    padding: 10px 16px;
    font-size: 14px;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    background-color: var(--color-input-bg);
    color: var(--color-text-primary);
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(153, 102, 255, 0.1);
}

.form-help {
    display: block;
    margin-top: var(--spacing-xs);
    font-size: 12px;
    color: var(--color-text-secondary);
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

/* Responsive */
@media (max-width: 768px) {
    .filters-section {
        flex-direction: column;
        align-items: stretch;
    }

    .search-box {
        max-width: 100%;
    }

    .users-table {
        font-size: 12px;
    }

    .users-table th,
    .users-table td {
        padding: var(--spacing-xs);
    }

    .modal-content {
        width: 95%;
        margin: var(--spacing-md);
    }
}