/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: #f8fafc;
    color: #1e293b;
    line-height: 1.6;
}

/* Dark mode variables */
:root {
    --primary-color: #3b82f6;
    --primary-hover: #2563eb;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --background: #ffffff;
    --surface: #f8fafc;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border: #e2e8f0;
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] {
    --background: #0f172a;
    --surface: #1e293b;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --border: #334155;
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
}

/* Layout */
.dashboard-container {
    display: flex;
    min-height: 100vh;
    background-color: var(--background);
}

.sidebar {
    width: 250px;
    background-color: var(--surface);
    border-right: 1px solid var(--border);
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    z-index: 1000;
    transition: transform 0.3s ease;
}

.sidebar.collapsed {
    transform: translateX(-100%);
}

.main-content {
    flex: 1;
    margin-left: 250px;
    transition: margin-left 0.3s ease;
}

.main-content.expanded {
    margin-left: 0;
}

.header {
    background-color: var(--background);
    border-bottom: 1px solid var(--border);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

.content {
    padding: 2rem;
}

/* Sidebar styles */
.sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border);
}

.sidebar-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.sidebar-subtitle {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.sidebar-nav {
    padding: 1rem 0;
}

.nav-item {
    display: block;
    padding: 0.75rem 1.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.2s ease;
    border-left: 3px solid transparent;
}

.nav-item:hover,
.nav-item.active {
    background-color: rgba(59, 130, 246, 0.1);
    color: var(--primary-color);
    border-left-color: var(--primary-color);
}

.nav-item i {
    margin-right: 0.75rem;
    width: 20px;
    text-align: center;
}

/* Cards */
.card {
    background-color: var(--background);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    box-shadow: var(--shadow);
    overflow: hidden;
}

.card-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border);
    background-color: var(--surface);
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.card-body {
    padding: 1.5rem;
}

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

.stat-card {
    background-color: var(--background);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    padding: 1.5rem;
    box-shadow: var(--shadow);
    transition: transform 0.2s ease;
}

.stat-card:hover {
    transform: translateY(-2px);
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat-icon {
    width: 3rem;
    height: 3rem;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.stat-icon.primary {
    background-color: rgba(59, 130, 246, 0.1);
    color: var(--primary-color);
}

.stat-icon.success {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.stat-icon.warning {
    background-color: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
}

.stat-icon.danger {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
}

/* Tables */
.table-container {
    background-color: var(--background);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    overflow: hidden;
    box-shadow: var(--shadow);
}

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

.table th,
.table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.table th {
    background-color: var(--surface);
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.table td {
    color: var(--text-secondary);
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 0.375rem;
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
    gap: 0.5rem;
}

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

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

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

.btn-success:hover {
    background-color: #059669;
}

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

.btn-warning:hover {
    background-color: #d97706;
}

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

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

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

.btn-secondary:hover {
    background-color: #475569;
}

.btn-sm {
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
}

.btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
}

/* Forms */
.form-group {
    margin-bottom: 1rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-primary);
}

.form-control {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border);
    border-radius: 0.375rem;
    background-color: var(--background);
    color: var(--text-primary);
    font-size: 0.875rem;
    transition: border-color 0.2s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 0.5rem center;
    background-repeat: no-repeat;
    background-size: 1.5em 1.5em;
    padding-right: 2.5rem;
}

/* Status badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-success {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.badge-warning {
    background-color: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
}

.badge-danger {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
}

.badge-secondary {
    background-color: rgba(100, 116, 139, 0.1);
    color: var(--secondary-color);
}

/* Modals */
.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: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal.show {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background-color: var(--background);
    border-radius: 0.5rem;
    box-shadow: var(--shadow-lg);
    width: 90%;
    max-width: 450px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    z-index: 2001;
}

.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0;
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.25rem;
    transition: background-color 0.2s ease;
}

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

.modal-body {
    padding: 1rem 1.5rem;
}

/* Compact form styles for user modal */
#user-modal .modal-body {
    padding: 1rem 1.5rem;
}

#user-modal .form-group {
    margin-bottom: 0.75rem;
}

#user-modal .form-label {
    font-size: 0.875rem;
    margin-bottom: 0.375rem;
}

#user-modal .form-control {
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
}

#user-modal .modal-header {
    padding: 1rem 1.5rem;
}

#user-modal .modal-footer {
    padding: 1rem 1.5rem;
}

#user-modal .modal-title {
    font-size: 1.125rem;
}

/* Error message styling - ensure it appears in front */
.error-message {
    color: #ef4444 !important;
    font-size: 0.75rem !important;
    margin-top: 0.25rem !important;
    display: block !important;
    position: relative !important;
    z-index: 3000 !important;
}

.form-control.error {
    border-color: #ef4444 !important;
    position: relative;
    z-index: 1;
}

.modal-footer {
    padding: 1.5rem;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
}

/* Utilities */
.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.d-flex {
    display: flex;
}

.justify-content-between {
    justify-content: space-between;
}

.align-items-center {
    align-items: center;
}

.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }

/* Loading spinner */
.spinner {
    width: 1rem;
    height: 1rem;
    border: 2px solid var(--border);
    border-top: 2px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    display: inline-block;
}

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

/* Responsive design */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.show {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .header {
        padding: 1rem;
    }
    
    .content {
        padding: 1rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .table-container {
        overflow-x: auto;
    }
    
    .modal-content {
        width: 95%;
        margin: 1rem;
    }
}

/* Dark mode toggle */
.theme-toggle {
    background: none;
    border: 1px solid var(--border);
    border-radius: 0.375rem;
    padding: 0.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.theme-toggle:hover {
    background-color: var(--surface);
    color: var(--text-primary);
}

/* Mobile menu button */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 0.25rem;
    transition: background-color 0.2s ease;
}

.mobile-menu-btn:hover {
    background-color: var(--surface);
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
    }
}

/* Login page styles */
.login-page {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.login-container {
    width: 100%;
    max-width: 400px;
}

.login-card {
    background: var(--background);
    border-radius: 1rem;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    padding: 2rem;
    text-align: center;
}

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

.login-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.login-subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
}

.login-form {
    text-align: left;
}

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

.login-form .form-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-primary);
}

.login-form .form-control {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    background-color: var(--background);
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.2s ease;
}

.login-form .form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.checkbox-label input[type="checkbox"] {
    margin: 0;
}

.login-btn {
    width: 100%;
    padding: 0.875rem;
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.login-footer {
    text-align: center;
}

.forgot-password {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color 0.2s ease;
}

.forgot-password:hover {
    color: var(--primary-hover);
}

.alert {
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.alert-danger {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

/* Additional utility classes */
.row {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.col-md-8 {
    grid-column: 1;
}

.col-md-4 {
    grid-column: 2;
}

.col-md-6 {
    grid-column: span 1;
}

@media (max-width: 768px) {
    .row {
        grid-template-columns: 1fr;
    }
    
    .col-md-8,
    .col-md-4,
    .col-md-6 {
        grid-column: 1;
    }
}

.user-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

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

/* Pagination */
.pagination-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.pagination-info {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.pagination-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.pagination-pages {
    display: flex;
    gap: 0.25rem;
}

.page-btn {
    padding: 0.25rem 0.5rem;
    border: 1px solid var(--border);
    background: var(--background);
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 0.25rem;
    font-size: 0.875rem;
    min-width: 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s ease;
}

.page-btn:hover {
    background: var(--surface);
    color: var(--text-primary);
}

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

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

.form-text {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

.user-avatar {
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    background: var(--surface);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
}

.user-role {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: capitalize;
}

.action-buttons {
    display: flex;
    gap: 0.25rem;
}

.btn-action {
    padding: 0.25rem 0.5rem;
    border: none;
    border-radius: 0.25rem;
    cursor: pointer;
    font-size: 0.75rem;
    transition: all 0.2s ease;
}

.btn-edit {
    background: rgba(59, 130, 246, 0.1);
    color: var(--primary-color);
}

.btn-edit:hover {
    background: rgba(59, 130, 246, 0.2);
}

.btn-block {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
}

.btn-block:hover {
    background: rgba(245, 158, 11, 0.2);
}

.btn-unblock {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.btn-unblock:hover {
    background: rgba(16, 185, 129, 0.2);
}

.btn-delete {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
}

.btn-delete:hover {
    background: rgba(239, 68, 68, 0.2);
}

.days-left {
    font-weight: 500;
}

.days-left.warning {
    color: var(--warning-color);
}

.days-left.danger {
    color: var(--danger-color);
}

.days-left.success {
    color: var(--success-color);
}

/* Hidden class */
.hidden {
    display: none !important;
}