/* ============================================
   CORE KwinBase - Dark Theme Styles
   ============================================ */

:root {
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #21262d;
    --bg-card: #1c2128;
    --border-color: #30363d;
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --text-muted: #6e7681;
    --accent-primary: #238636;
    --accent-blue: #58a6ff;
    --accent-purple: #a371f7;
    --accent-orange: #d29922;
    --accent-red: #f85149;
    --accent-cyan: #3fb950;
    --sidebar-width: 260px;
    --topbar-height: 60px;
    --transition: all 0.2s ease;
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-primary) !important;
    color: var(--text-primary) !important;
    margin: 0;
    padding: 0;
    min-height: 100vh;
}

/* Override Bootstrap defaults */
.table {
    --bs-table-bg: transparent !important;
    --bs-table-color: var(--text-primary) !important;
    --bs-table-border-color: var(--border-color) !important;
}

.table > :not(caption) > * > * {
    background-color: transparent !important;
    color: var(--text-primary) !important;
    border-color: var(--border-color) !important;
}

/* ============================================
   LOGIN SCREEN
   ============================================ */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.login-box {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 40px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.logo-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-blue));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 32px;
    color: white;
}

.login-header h1 {
    font-size: 28px;
    font-weight: 700;
    margin: 0;
    letter-spacing: 2px;
}

.login-footer {
    margin-top: 24px;
    text-align: center;
}

/* ============================================
   SIDEBAR
   ============================================ */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    z-index: 1000;
    transition: var(--transition);
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
}

.sidebar .logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
}

.sidebar .logo i {
    font-size: 28px;
    color: var(--accent-blue);
}

.sidebar-toggle {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 20px;
    cursor: pointer;
    padding: 8px;
}

.sidebar-menu {
    flex: 1;
    overflow-y: auto;
    padding: 16px 12px;
}

.sidebar-menu .nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 8px;
    margin-bottom: 4px;
    transition: var(--transition);
}

.sidebar-menu .nav-link:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.sidebar-menu .nav-link.active {
    background: rgba(88, 166, 255, 0.15);
    color: var(--accent-blue);
}

.sidebar-menu .nav-link i {
    font-size: 18px;
    width: 24px;
}

.sidebar-footer {
    padding: 16px;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.admin-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.admin-avatar {
    font-size: 32px;
    color: var(--text-secondary);
}

.admin-details {
    display: flex;
    flex-direction: column;
}

.admin-name {
    font-weight: 600;
    font-size: 14px;
}

.admin-role {
    font-size: 12px;
    color: var(--text-muted);
}

/* ============================================
   MAIN CONTENT
   ============================================ */
.main-content {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    background: var(--bg-primary);
}

.topbar {
    position: sticky;
    top: 0;
    height: var(--topbar-height);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    padding: 0 24px;
    z-index: 100;
    gap: 16px;
}

.page-title h2 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
}

.topbar-actions {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 12px;
}

.health-indicator {
    font-size: 10px;
}

.page-content {
    padding: 24px;
}

/* ============================================
   CARDS & STATS
   ============================================ */
.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    transition: var(--transition);
}

.stat-card:hover {
    border-color: var(--accent-blue);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-bottom: 16px;
}

.stat-icon.blue { background: rgba(88, 166, 255, 0.15); color: var(--accent-blue); }
.stat-icon.green { background: rgba(63, 185, 80, 0.15); color: var(--accent-cyan); }
.stat-icon.orange { background: rgba(210, 153, 34, 0.15); color: var(--accent-orange); }
.stat-icon.purple { background: rgba(163, 113, 247, 0.15); color: var(--accent-purple); }
.stat-icon.red { background: rgba(248, 81, 73, 0.15); color: var(--accent-red); }

.stat-value {
    font-size: 32px;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 4px;
}

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

.stat-change {
    font-size: 12px;
    margin-top: 8px;
}

.stat-change.positive { color: var(--accent-cyan); }
.stat-change.negative { color: var(--accent-red); }

/* ============================================
   DATA TABLES
   ============================================ */
.data-table-container {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
}

.table-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.table-title {
    font-size: 16px;
    font-weight: 600;
    margin: 0;
}

.table-filters {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.table {
    margin: 0;
    color: var(--text-primary);
}

.table thead th {
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
    padding: 12px 16px;
    font-weight: 600;
    font-size: 13px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.table tbody td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
    background-color: var(--bg-card) !important;
}

.table thead th {
    background: var(--bg-tertiary) !important;
}

.table-striped > tbody > tr:nth-of-type(odd) > * {
    background-color: var(--bg-secondary) !important;
}

.table tbody tr:hover {
    background: var(--bg-tertiary);
}

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

/* ============================================
   BADGES & STATUS
   ============================================ */
.badge {
    font-weight: 500;
    padding: 4px 8px;
    border-radius: 6px;
}

.badge-status {
    font-size: 12px;
    padding: 4px 10px;
}

.badge-active, .badge-success { background: rgba(63, 185, 80, 0.15); color: var(--accent-cyan); }
.badge-inactive, .badge-danger { background: rgba(248, 81, 73, 0.15); color: var(--accent-red); }
.badge-pending, .badge-warning { background: rgba(210, 153, 34, 0.15); color: var(--accent-orange); }
.badge-info { background: rgba(88, 166, 255, 0.15); color: var(--accent-blue); }

/* ============================================
   FORMS
   ============================================ */
.form-control, .form-select {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 8px;
    padding: 10px 14px;
}

.form-control:focus, .form-select:focus {
    background: var(--bg-tertiary);
    border-color: var(--accent-blue);
    color: var(--text-primary);
    box-shadow: 0 0 0 3px rgba(88, 166, 255, 0.15);
}

.form-control::placeholder {
    color: var(--text-muted);
}

.form-label {
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-secondary);
}

.input-group-text {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    border-radius: 8px;
    font-weight: 500;
    padding: 8px 16px;
    transition: var(--transition);
}

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

.btn-primary:hover {
    background: #2ea043;
    border-color: #2ea043;
}

.btn-outline-secondary {
    border-color: var(--border-color);
    color: var(--text-secondary);
}

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

.btn-outline-danger {
    border-color: var(--accent-red);
    color: var(--accent-red);
}

.btn-outline-danger:hover {
    background: var(--accent-red);
    color: white;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 13px;
}

.btn-icon {
    width: 32px;
    height: 32px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

/* ============================================
   MODALS
   ============================================ */
.modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
}

.modal-header {
    border-bottom: 1px solid var(--border-color);
    padding: 20px 24px;
}

.modal-title {
    font-weight: 600;
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    border-top: 1px solid var(--border-color);
    padding: 16px 24px;
}

.btn-close {
    filter: invert(1);
}

/* Modal backdrop */
.modal-backdrop {
    background-color: rgba(0, 0, 0, 0.8);
}

.modal-dialog {
    color: var(--text-primary);
}

/* ============================================
   TOAST
   ============================================ */
.toast {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.toast-header {
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
}

/* ============================================
   ALERTS
   ============================================ */
.alert {
    border-radius: 8px;
    border: none;
}

.alert-danger {
    background: rgba(248, 81, 73, 0.15);
    color: var(--accent-red);
}

.alert-success {
    background: rgba(63, 185, 80, 0.15);
    color: var(--accent-cyan);
}

.alert-warning {
    background: rgba(210, 153, 34, 0.15);
    color: var(--accent-orange);
}

.alert-info {
    background: rgba(88, 166, 255, 0.15);
    color: var(--accent-blue);
}

/* ============================================
   PAGINATION
   ============================================ */
.pagination {
    gap: 4px;
}

.page-link {
    background: var(--bg-tertiary);
    border-color: var(--border-color);
    color: var(--text-secondary);
    border-radius: 6px;
}

.page-link:hover {
    background: var(--bg-secondary);
    border-color: var(--accent-blue);
    color: var(--text-primary);
}

.page-item.active .page-link {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
}

.page-item.disabled .page-link {
    background: var(--bg-primary);
    color: var(--text-muted);
}

/* ============================================
   LOADING
   ============================================ */
.loading-spinner {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 200px;
}

.spinner-border {
    width: 48px;
    height: 48px;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 991.98px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.show {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.text-truncate-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.cursor-pointer {
    cursor: pointer;
}

.gap-1 { gap: 4px; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 16px; }

.code {
    font-family: 'Fira Code', monospace;
    background: var(--bg-tertiary);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 13px;
}

.empty-state {
    text-align: center;
    padding: 48px 24px;
    color: var(--text-secondary);
}

.empty-state i {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.5;
}

/* ============================================
   CHARTS
   ============================================ */
.chart-container {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
}

.chart-title {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-secondary);
}

/* ============================================
   DETAILS VIEW
   ============================================ */
.detail-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
}

.detail-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.detail-body {
    padding: 20px;
}

.detail-row {
    display: flex;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
}

.detail-row:last-child {
    border-bottom: none;
}

.detail-label {
    width: 200px;
    color: var(--text-secondary);
    font-weight: 500;
}

.detail-value {
    flex: 1;
}

/* ============================================
   PERMISSIONS GRID
   ============================================ */
.permission-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 12px;
}

.permission-item {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.permission-item.granted {
    border-color: var(--accent-cyan);
    background: rgba(63, 185, 80, 0.1);
}

.permission-item .form-check-input {
    width: 20px;
    height: 20px;
    margin: 0;
}

/* ============================================
   TABS
   ============================================ */
.nav-tabs {
    border-bottom: 1px solid var(--border-color);
    gap: 4px;
}

.nav-tabs .nav-link {
    color: var(--text-secondary);
    border: none;
    border-bottom: 2px solid transparent;
    padding: 12px 16px;
    border-radius: 0;
}

.nav-tabs .nav-link:hover {
    color: var(--text-primary);
    border-color: transparent;
}

.nav-tabs .nav-link.active {
    color: var(--accent-blue);
    background: transparent;
    border-bottom-color: var(--accent-blue);
}

.tab-content {
    padding: 20px 0;
}