/* ═══════════════════════════════════════════════════════
   S.T.A.L.K.E.R. 2 Wiki — Admin Panel Base Styles
   Shared foundation for all admin pages
   ═══════════════════════════════════════════════════════ */

/* ── Theme Variables ── */
:root {
    --sidebar-width: 280px;
    
    /* Light theme (default) */
    --admin-bg: #f1f5f9;
    --admin-surface: #fff;
    --admin-surface-hover: #f8fafc;
    --admin-surface-alt: #f8fafc;
    --admin-border: #e2e8f0;
    --admin-border-light: #f1f5f9;
    --admin-text: #334155;
    --admin-text-strong: #0f172a;
    --admin-text-muted: #64748b;
    --admin-text-faint: #94a3b8;
    --admin-accent: #f97316;
    --admin-accent-dark: #ea580c;
    --admin-accent-glow: rgba(249, 115, 22, 0.3);
    --admin-accent-bg: rgba(249, 115, 22, 0.1);
    --admin-danger: #ef4444;
    --admin-danger-bg: #fef2f2;
    --admin-danger-border: #fecaca;
    --admin-danger-text: #991b1b;
    --admin-success-bg: #ecfdf5;
    --admin-success-border: #a7f3d0;
    --admin-success-text: #065f46;
    --admin-warning-bg: #fffbeb;
    --admin-warning-border: #fde68a;
    --admin-warning-text: #92400e;
    --admin-input-bg: #fff;
    --admin-input-border: #e2e8f0;
    --admin-th-bg: #f8fafc;
    --admin-scrollbar-thumb: rgba(148, 163, 184, 0.4);
    --admin-scrollbar-track: transparent;
    --admin-shadow: 0 1px 3px rgba(0,0,0,0.05);
    --admin-shadow-lg: 0 10px 40px rgba(0,0,0,0.1);
    --admin-sidebar-bg: linear-gradient(180deg, #1e293b 0%, #0f172a 100%);
    --admin-sidebar-hover: rgba(255,255,255,0.05);
    --admin-sidebar-text: #94a3b8;
    --admin-sidebar-border: rgba(255,255,255,0.1);
    --admin-header-bg: #fff;
    --admin-notification-dot-border: #fff;
}

/* ── Dark Theme ── */
[data-theme="dark"] {
    --admin-bg: #0f172a;
    --admin-surface: #1e293b;
    --admin-surface-hover: #273548;
    --admin-surface-alt: #162032;
    --admin-border: #334155;
    --admin-border-light: #1e293b;
    --admin-text: #cbd5e1;
    --admin-text-strong: #f1f5f9;
    --admin-text-muted: #94a3b8;
    --admin-text-faint: #64748b;
    --admin-accent: #fb923c;
    --admin-accent-dark: #f97316;
    --admin-accent-glow: rgba(251, 146, 60, 0.3);
    --admin-accent-bg: rgba(251, 146, 60, 0.12);
    --admin-danger: #f87171;
    --admin-danger-bg: rgba(239, 68, 68, 0.12);
    --admin-danger-border: rgba(239, 68, 68, 0.25);
    --admin-danger-text: #fca5a5;
    --admin-success-bg: rgba(16, 185, 129, 0.12);
    --admin-success-border: rgba(16, 185, 129, 0.25);
    --admin-success-text: #6ee7b7;
    --admin-warning-bg: rgba(234, 179, 8, 0.12);
    --admin-warning-border: rgba(234, 179, 8, 0.25);
    --admin-warning-text: #fde68a;
    --admin-input-bg: #162032;
    --admin-input-border: #334155;
    --admin-th-bg: #162032;
    --admin-scrollbar-thumb: rgba(148, 163, 184, 0.2);
    --admin-scrollbar-track: rgba(0,0,0,0.1);
    --admin-shadow: 0 1px 3px rgba(0,0,0,0.2);
    --admin-shadow-lg: 0 10px 40px rgba(0,0,0,0.4);
    --admin-sidebar-bg: linear-gradient(180deg, #0c1222 0%, #060b16 100%);
    --admin-sidebar-hover: rgba(255,255,255,0.04);
    --admin-sidebar-text: #64748b;
    --admin-sidebar-border: rgba(255,255,255,0.06);
    --admin-header-bg: #1e293b;
    --admin-notification-dot-border: #1e293b;
}

/* ── Scrollbar ── */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--admin-scrollbar-thumb) var(--admin-scrollbar-track);
}
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--admin-scrollbar-track); }
::-webkit-scrollbar-thumb { background: var(--admin-scrollbar-thumb); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: rgba(148, 163, 184, 0.6); }

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--admin-bg);
    color: var(--admin-text);
    font-size: 14px;
    line-height: 1.6;
    transition: background 0.3s, color 0.3s;
}

a { color: inherit; text-decoration: none; }

.layout { display: flex; min-height: 100vh; }

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: var(--admin-sidebar-bg);
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    overflow-y: auto;
    z-index: 50;
    display: flex;
    flex-direction: column;
}

.sidebar-header {
    padding: 24px;
    border-bottom: 1px solid var(--admin-sidebar-border);
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo-icon {
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    box-shadow: 0 4px 12px rgba(249, 115, 22, 0.4);
}

.logo-text { font-size: 20px; font-weight: 700; color: #fff; }
.logo-subtitle { font-size: 11px; color: var(--admin-text-muted); text-transform: uppercase; letter-spacing: 0.05em; }

/* Navigation */
.nav { padding: 20px 16px; flex: 1; }
.nav-section { margin-bottom: 28px; }
.nav-title {
    font-size: 11px;
    font-weight: 600;
    color: var(--admin-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 0 12px;
    margin-bottom: 12px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--admin-text-faint);
    text-decoration: none;
    border-radius: 12px;
    margin-bottom: 4px;
    transition: all 0.2s ease;
    font-weight: 500;
    font-size: 14px;
}

.nav-item:hover {
    background: var(--admin-sidebar-hover);
    color: #fff;
}

.nav-item.active {
    background: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
    color: #fff;
    box-shadow: 0 4px 12px rgba(249, 115, 22, 0.4);
}

.nav-icon { width: 20px; height: 20px; opacity: 0.8; flex-shrink: 0; }
.nav-item.active .nav-icon { opacity: 1; }

.nav-badge {
    margin-left: auto;
    background: rgba(249, 115, 22, 0.2);
    color: #fb923c;
    font-size: 11px;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 20px;
    min-width: 24px;
    text-align: center;
}

.nav-item.active .nav-badge {
    background: rgba(255,255,255,0.2);
    color: #fff;
}

/* Main Content */
.main {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
}

/* Header */
.header {
    background: var(--admin-surface);
    border-bottom: 1px solid var(--admin-border);
    padding: 20px 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 40;
}

.header-left h1 {
    font-size: 24px;
    font-weight: 700;
    color: var(--admin-text-strong);
    margin-bottom: 4px;
}

.header-breadcrumb, .header-sub {
    font-size: 13px;
    color: var(--admin-text-muted);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-btn {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--admin-bg);
    border: none;
    border-radius: 12px;
    color: var(--admin-text-muted);
    cursor: pointer;
    position: relative;
    transition: all 0.2s ease;
    text-decoration: none;
}

.header-btn:hover {
    background: var(--admin-border);
    color: var(--admin-text);
}

.header-btn .icon {
    width: 20px;
    height: 20px;
    stroke-width: 2;
}

.notification-dot {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 10px;
    height: 10px;
    background: #ef4444;
    border-radius: 50%;
    border: 2px solid var(--admin-notification-dot-border);
}

.header-user {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 16px 8px 8px;
    background: var(--admin-surface-alt);
    border-radius: 12px;
    margin-left: 8px;
}

.header-avatar {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 600;
    font-size: 14px;
}

.header-user-info { line-height: 1.3; }
.header-user-name { font-weight: 600; font-size: 14px; color: var(--admin-text-strong); }
.header-user-role { font-size: 12px; color: var(--admin-text-muted); }

.header-btn-logout {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
}

.header-btn-logout:hover {
    background: #ef4444;
    color: #fff;
}

/* Notification Dropdown */
.notification-wrapper {
    position: relative;
}

.notification-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    width: 360px;
    background: var(--admin-surface);
    border-radius: 16px;
    box-shadow: var(--admin-shadow-lg);
    border: 1px solid var(--admin-border);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s ease;
    z-index: 100;
}

.notification-wrapper.active .notification-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.notification-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--admin-border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.notification-title {
    font-weight: 600;
    font-size: 15px;
    color: var(--admin-text-strong);
}

.notification-count {
    background: #f97316;
    color: #fff;
    font-size: 11px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 10px;
}

.notification-list {
    max-height: 320px;
    overflow-y: auto;
}

.notification-empty {
    padding: 32px 20px;
    text-align: center;
    color: var(--admin-text-faint);
}

.notification-item {
    display: block;
    padding: 14px 20px;
    border-bottom: 1px solid var(--admin-border-light);
    transition: background 0.2s;
}

.notification-item:hover {
    background: var(--admin-surface-alt);
}

.notification-item-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 6px;
}

.notification-item-name {
    font-weight: 600;
    font-size: 13px;
    color: var(--admin-text-strong);
}

.notification-item-time {
    font-size: 12px;
    color: var(--admin-text-faint);
}

.notification-item-subject {
    font-size: 13px;
    color: var(--admin-text);
    margin-bottom: 6px;
}

.notification-item-category {
    font-size: 11px;
    color: var(--admin-text-faint);
    background: var(--admin-bg);
    padding: 2px 8px;
    border-radius: 4px;
}

.notification-footer {
    padding: 12px 20px;
    border-top: 1px solid var(--admin-border-light);
    text-align: center;
}

.notification-footer a {
    color: var(--admin-accent);
    font-weight: 500;
    font-size: 13px;
}

/* Content */
.content {
    padding: 32px;
}

/* Cards */
.card {
    background: var(--admin-surface);
    border-radius: 16px;
    border: 1px solid var(--admin-border);
    overflow: hidden;
}

.card-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--admin-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--admin-text-strong);
}

.card-body {
    padding: 24px;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--admin-surface);
    border-radius: 16px;
    border: 1px solid var(--admin-border);
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.stat-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-icon .icon {
    width: 28px;
    height: 28px;
}

.stat-icon.blue { background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%); color: #fff; }
.stat-icon.green { background: linear-gradient(135deg, #10b981 0%, #059669 100%); color: #fff; }
.stat-icon.orange { background: linear-gradient(135deg, #f97316 0%, #ea580c 100%); color: #fff; }
.stat-icon.purple { background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%); color: #fff; }
.stat-icon.red { background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%); color: #fff; }
.stat-icon.yellow { background: linear-gradient(135deg, #eab308 0%, #ca8a04 100%); color: #fff; }

.stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--admin-text-strong);
    line-height: 1;
    margin-bottom: 4px;
}

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

/* Alerts */
.alert {
    padding: 16px 20px;
    border-radius: 12px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.alert-success {
    background: var(--admin-success-bg);
    border: 1px solid var(--admin-success-border);
    color: var(--admin-success-text);
}

.alert-error {
    background: var(--admin-danger-bg);
    border: 1px solid var(--admin-danger-border);
    color: var(--admin-danger-text);
}

.alert-warning {
    background: var(--admin-warning-bg);
    border: 1px solid var(--admin-warning-border);
    color: var(--admin-warning-text);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
    color: #fff;
    box-shadow: 0 4px 12px rgba(249, 115, 22, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(249, 115, 22, 0.4);
}

.btn-secondary {
    background: var(--admin-bg);
    color: var(--admin-text);
}

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

.btn-success {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: #fff;
}

.btn-danger {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    color: #fff;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 13px;
    border-radius: 8px;
}

/* Tables */
.table-wrapper {
    overflow-x: auto;
}

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

th, td {
    padding: 14px 16px;
    text-align: left;
    border-bottom: 1px solid var(--admin-border);
}

th {
    font-weight: 600;
    color: var(--admin-text-muted);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: var(--admin-surface-alt);
}

td {
    color: var(--admin-text);
}

tr:hover td {
    background: var(--admin-surface-alt);
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

.badge-success { background: var(--admin-success-bg); color: #059669; }
.badge-warning { background: var(--admin-warning-bg); color: #d97706; }
.badge-danger { background: var(--admin-danger-bg); color: #dc2626; }
.badge-info { background: #eff6ff; color: #2563eb; }
.badge-new { background: #f97316; color: #fff; }
.badge-in_progress { background: #3b82f6; color: #fff; }
.badge-resolved { background: #10b981; color: #fff; }
.badge-closed { background: #64748b; color: #fff; }

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

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

.form-control {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--admin-input-border);
    border-radius: 12px;
    font-size: 14px;
    color: var(--admin-text);
    background: var(--admin-input-bg);
    transition: all 0.2s;
}

.form-control:focus {
    outline: none;
    border-color: var(--admin-accent);
    box-shadow: 0 0 0 3px var(--admin-accent-glow);
}

textarea.form-control {
    min-height: 120px;
    resize: vertical;
}

select.form-control {
    cursor: pointer;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 24px;
}

.pagination a, .pagination span {
    padding: 10px 16px;
    background: var(--admin-input-bg);
    border: 1px solid var(--admin-border);
    border-radius: 10px;
    color: var(--admin-text);
    font-weight: 500;
    transition: all 0.2s;
}

.pagination a:hover {
    border-color: var(--admin-accent);
    color: var(--admin-accent);
}

.pagination .active {
    background: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
    border-color: transparent;
    color: #fff;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 60px 20px;
}

.empty-state-icon {
    font-size: 64px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-state-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--admin-text-strong);
    margin-bottom: 8px;
}

.empty-state-text {
    color: var(--admin-text-muted);
    margin-bottom: 24px;
}

/* Filters */
.filters {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.filter-select {
    padding: 10px 16px;
    background: var(--admin-input-bg);
    border: 1px solid var(--admin-border);
    border-radius: 10px;
    color: var(--admin-text);
    font-size: 14px;
    min-width: 160px;
    cursor: pointer;
}

.filter-select:focus {
    outline: none;
    border-color: var(--admin-accent);
}

/* Responsive */
@media (max-width: 1024px) {
    .sidebar { transform: translateX(-100%); }
    .main { margin-left: 0; }
}

@media (max-width: 768px) {
    .header { padding: 16px 20px; }
    .content { padding: 20px; }
    .stats-grid { grid-template-columns: 1fr; }
    .header-user { display: none; }
}

/* SVG Icons */
.icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1em;
    height: 1em;
    vertical-align: middle;
}
.icon svg {
    width: 100%;
    height: 100%;
}