/* ============================================================
   Ad Management System - Dark Theme
   Supports 3 layout modes via body class:
     .layout-sidebar  — Collapsible left sidebar
     .layout-topnav   — Sticky top navbar
     .layout-combo    — Top bar + collapsible left sidebar
   ============================================================ */

:root {
    --bg-dark: #1a1d23;
    --bg-card: #22262e;
    --bg-surface: #2a2e37;
    --bg-hover: #323742;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --accent-glow: rgba(59, 130, 246, 0.15);
    --success: #22c55e;
    --warning: #f59e0b;
    --danger: #ef4444;
    --text: #e4e7ec;
    --text-muted: #8b95a5;
    --text-dim: #5f6b7a;
    --border: #333a46;
    --sidebar-w: 220px;
    --sidebar-w-collapsed: 56px;
    --topbar-h: 56px;
}

*, *::before, *::after { box-sizing: border-box; }

/* ── Light Theme Override ────────────────────────────────── */
[data-theme="light"] {
    --bg-dark: #f0f2f5;
    --bg-card: #ffffff;
    --bg-surface: #f8f9fa;
    --bg-hover: #e9ecef;
    --accent: #4f46e5;
    --accent-hover: #4338ca;
    --accent-glow: rgba(79, 70, 229, 0.1);
    --success: #16a34a;
    --warning: #d97706;
    --danger: #dc2626;
    --text: #111827;
    --text-muted: #6b7280;
    --text-dim: #9ca3af;
    --border: #d1d5db;
}

/* Sidebar — light version */
[data-theme="light"] .sidebar { background: #ffffff !important; border-right: 1px solid #e5e7eb; }
[data-theme="light"] .sidebar .brand { background: #1a1d23 !important; border-bottom-color: #333 !important; }
[data-theme="light"] .sidebar .nav-link { color: #6b7280 !important; }
[data-theme="light"] .sidebar .nav-link:hover { background: #f3f4f6 !important; color: #111827 !important; }
[data-theme="light"] .sidebar .nav-link.active { background: #eef2ff !important; color: #4f46e5 !important; border-left-color: #4f46e5 !important; }
[data-theme="light"] .sidebar .collapse-btn { color: #9ca3af; background: #f3f4f6; }
[data-theme="light"] .sidebar .collapse-btn:hover { color: #111827; }
[data-theme="light"] .sidebar-footer { border-top-color: #e5e7eb !important; }
[data-theme="light"] #userInfo { color: #6b7280 !important; }
[data-theme="light"] .sidebar-footer a.nav-link { color: #6b7280 !important; }

/* Global bar */
[data-theme="light"] .global-bar { background: #ffffff; border-bottom: 1px solid #e5e7eb; }
[data-theme="light"] .global-bar .global-label { color: #6b7280; }
[data-theme="light"] .global-bar .form-select { background: #f9fafb; border-color: #d1d5db; color: #111827; }

/* Main content */
[data-theme="light"] body { background: #f0f2f5; }
[data-theme="light"] .main-content { background: #f0f2f5; }

/* Cards */
[data-theme="light"] .card { background: #ffffff; border-color: #e5e7eb; box-shadow: 0 1px 3px rgba(0,0,0,0.05); }
[data-theme="light"] .card-header { background: #f9fafb !important; border-bottom-color: #e5e7eb !important; color: #111827 !important; }
[data-theme="light"] .card-footer { background: #f9fafb !important; border-top-color: #e5e7eb !important; }

/* Tables */
[data-theme="light"] .table { color: #111827; }
[data-theme="light"] .table > :not(caption) > * > * { background-color: transparent; border-bottom-color: #e5e7eb; }
[data-theme="light"] .table thead th { background: #f9fafb; color: #6b7280; border-bottom-color: #d1d5db; }
[data-theme="light"] .table tbody tr:hover > * { background-color: #f9fafb; }

/* Forms */
[data-theme="light"] .form-control,
[data-theme="light"] .form-select { background: #ffffff; border-color: #d1d5db; color: #111827; }
[data-theme="light"] .form-control:focus,
[data-theme="light"] .form-select:focus { border-color: #4f46e5; box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1); }
[data-theme="light"] .form-control::placeholder { color: #9ca3af; }
[data-theme="light"] .form-text { color: #6b7280; }
[data-theme="light"] .form-check-input { border-color: #d1d5db; }
[data-theme="light"] .table-search { background: #ffffff; border-color: #d1d5db; color: #111827; }
[data-theme="light"] .table-search::placeholder { color: #9ca3af; }

/* Buttons — accent */
[data-theme="light"] .btn-accent { background: #4f46e5; color: #ffffff; border: none; }
[data-theme="light"] .btn-accent:hover { background: #4338ca; color: #ffffff; }

/* Buttons — outline */
[data-theme="light"] .btn-outline-secondary { color: #6b7280; border-color: #d1d5db; }
[data-theme="light"] .btn-outline-secondary:hover { background: #f3f4f6; color: #111827; }
[data-theme="light"] .btn-outline-warning { color: #d97706; border-color: #d97706; }
[data-theme="light"] .btn-outline-warning:hover { background: #fef3c7; color: #92400e; }
[data-theme="light"] .btn-outline-info { color: #0284c7; border-color: #0284c7; }
[data-theme="light"] .btn-outline-info:hover { background: #e0f2fe; color: #0c4a6e; }
[data-theme="light"] .btn-outline-danger { color: #dc2626; border-color: #dc2626; }
[data-theme="light"] .btn-outline-danger:hover { background: #fef2f2; color: #991b1b; }
[data-theme="light"] .btn-outline-success { color: #16a34a; border-color: #16a34a; }
[data-theme="light"] .btn-outline-success:hover { background: #f0fdf4; color: #166534; }

/* Badges — adjusted for light bg */
[data-theme="light"] .badge.bg-success { background: #dcfce7 !important; color: #166534 !important; }
[data-theme="light"] .badge.bg-secondary { background: #f3f4f6 !important; color: #6b7280 !important; }
[data-theme="light"] .badge.bg-primary { background: #dbeafe !important; color: #1e40af !important; }
[data-theme="light"] .badge.bg-info { background: #e0f2fe !important; color: #0c4a6e !important; }
[data-theme="light"] .badge.bg-warning { background: #fef3c7 !important; color: #92400e !important; }
[data-theme="light"] .badge.bg-danger { background: #fef2f2 !important; color: #991b1b !important; }
[data-theme="light"] .badge.bg-dark { background: #e5e7eb !important; color: #374151 !important; }
[data-theme="light"] .badge.bg-purple { background: #ede9fe !important; color: #5b21b6 !important; }

/* Icon buttons */
[data-theme="light"] .icon-btn { color: #9ca3af; border-color: #d1d5db; }
[data-theme="light"] .icon-btn:hover { background: #f3f4f6; color: #111827; }

/* Stat cards */
[data-theme="light"] .stat-card { background: #ffffff; border-color: #e5e7eb; }
[data-theme="light"] .stat-card .stat-value { color: #111827; }
[data-theme="light"] .stat-card .stat-label { color: #6b7280; }

/* Modals */
[data-theme="light"] .modal-content { background: #ffffff; border-color: #e5e7eb; }
[data-theme="light"] .modal-header { border-bottom-color: #e5e7eb; }
[data-theme="light"] .modal-footer { border-top-color: #e5e7eb; background: #f9fafb; }
[data-theme="light"] .modal-title { color: #111827; }

/* Login */
[data-theme="light"] .login-screen { background: #f0f2f5; }
[data-theme="light"] .login-box { background: #ffffff; border-color: #e5e7eb; box-shadow: 0 10px 40px rgba(0,0,0,0.08); }

/* Saving overlay */
[data-theme="light"] .saving-overlay { background: rgba(255,255,255,0.85); }
[data-theme="light"] .saving-card { background: #ffffff; border-color: #e5e7eb; }
[data-theme="light"] .saving-text { color: #111827; }

/* Page header */
[data-theme="light"] .page-header h2 { color: #111827; }
[data-theme="light"] .no-partner-warning { color: #6b7280; }

/* Settings page cards */
[data-theme="light"] .form-check-label { color: #111827; }
[data-theme="light"] .card-body { color: #111827; }

/* Toast */
[data-theme="light"] .toast { box-shadow: 0 4px 12px rgba(0,0,0,0.15); }

/* Geo tree */
[data-theme="light"] .geo-country,
[data-theme="light"] .geo-state,
[data-theme="light"] .geo-city { color: #111827; }

/* Scrollbar */
[data-theme="light"] ::-webkit-scrollbar-track { background: #f0f2f5; }
[data-theme="light"] ::-webkit-scrollbar-thumb { background: #d1d5db; }
[data-theme="light"] ::-webkit-scrollbar-thumb:hover { background: #9ca3af; }

body {
    background: var(--bg-dark);
    color: var(--text);
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    margin: 0;
    min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

/* ── Global Content Partner Bar ───────────────────────────── */

.global-bar {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    padding: 0.5rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    z-index: 1050;
}

.global-bar .global-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    white-space: nowrap;
}

.global-bar .form-select {
    max-width: 280px;
    background-color: var(--bg-surface);
    border-color: var(--border);
    color: var(--text);
    font-size: 0.85rem;
}

.global-bar .form-select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px var(--accent-glow);
}

.no-partner-warning {
    background: var(--bg-surface);
    border: 1px dashed var(--border);
    border-radius: 8px;
    padding: 3rem 1rem;
    text-align: center;
    color: var(--text-muted);
    margin-top: 2rem;
}

/* ── Cards ────────────────────────────────────────────────── */

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}

.card-header {
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border);
    font-weight: 600;
    padding: 0.75rem 1rem;
    color: var(--text);
}

/* ── Tables with Sticky Headers ───────────────────────────── */

.table-wrapper {
    max-height: 65vh;
    overflow-y: auto;
}

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

.table thead th {
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-muted);
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border);
    padding: 0.6rem 0.75rem;
    position: sticky;
    top: 0;
    z-index: 10;
}

.table thead th.sortable {
    cursor: pointer;
    user-select: none;
    white-space: nowrap;
}
.table thead th.sortable:hover {
    color: var(--accent);
}
.table thead th.sortable::after {
    content: ' ⇅';
    opacity: 0.3;
    font-size: 0.7rem;
}
.table thead th.sortable.sort-asc::after {
    content: ' ▲';
    opacity: 0.8;
    color: var(--accent);
}
.table thead th.sortable.sort-desc::after {
    content: ' ▼';
    opacity: 0.8;
    color: var(--accent);
}

.table-search {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    color: var(--text);
    border-radius: 6px;
    padding: 0.4rem 0.75rem;
    font-size: 0.85rem;
    width: 280px;
}
.table-search:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 2px var(--accent-glow);
}
.table-search::placeholder {
    color: var(--text-dim);
}

.table tbody tr {
    border-bottom: 1px solid var(--border);
    transition: background 0.15s;
}

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

.table td {
    vertical-align: middle;
    font-size: 0.875rem;
    padding: 0.6rem 0.75rem;
    border: none;
}

/* ── Icon Action Buttons ─────────────────────────────────── */

.icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border-radius: 6px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.15s;
    font-size: 0.85rem;
    padding: 0;
    line-height: 1;
}
.icon-btn:hover { background: var(--bg-hover); color: var(--text); border-color: var(--text-dim); }
.icon-btn.edit:hover { color: var(--accent); border-color: var(--accent); }
.icon-btn.delete:hover { color: var(--danger); border-color: var(--danger); }
.icon-btn.activate:hover { color: var(--success); border-color: var(--success); }
.icon-btn.deactivate:hover { color: var(--warning); border-color: var(--warning); }
.icon-btn.ads:hover { color: #a78bfa; border-color: #a78bfa; }
.icon-btn.targets:hover { color: #22d3ee; border-color: #22d3ee; }
.icon-btn[title] { position: relative; }
.action-cell { display: flex; gap: 4px; align-items: center; }

/* ── Stat Cards ───────────────────────────────────────────── */

.stat-card {
    text-align: center;
    padding: 1.5rem 1rem;
}

.stat-card .stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent);
}

.stat-card .stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

/* ── Buttons ──────────────────────────────────────────────── */

.btn-accent {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}
.btn-accent:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
    color: #fff;
}

.btn-outline-primary { color: var(--accent); border-color: var(--accent); }
.btn-outline-primary:hover { background: var(--accent); color: #fff; }

.btn-outline-success { color: var(--success); border-color: var(--success); }
.btn-outline-success:hover { background: var(--success); color: #fff; }

.btn-outline-info { color: #38bdf8; border-color: #38bdf8; }
.btn-outline-info:hover { background: #38bdf8; color: #1a1d23; }

.btn-outline-danger { color: var(--danger); border-color: var(--danger); }
.btn-outline-danger:hover { background: var(--danger); color: #fff; }

/* ── Badges ───────────────────────────────────────────────── */

.badge { font-size: 0.73rem; padding: 0.3em 0.6em; }

/* ── Forms (dark) ─────────────────────────────────────────── */

.form-control, .form-select {
    background-color: var(--bg-surface);
    border-color: var(--border);
    color: var(--text);
}
.form-control:focus, .form-select:focus {
    background-color: var(--bg-surface);
    border-color: var(--accent);
    color: var(--text);
    box-shadow: 0 0 0 2px var(--accent-glow);
}
.form-control::placeholder { color: var(--text-dim); }
.form-label { color: var(--text-muted); font-size: 0.85rem; }
.form-text { color: var(--text-dim); }
.form-check-label { color: var(--text); }

/* ── Modals (dark) ────────────────────────────────────────── */

.modal-content {
    background: var(--bg-card);
    border-color: var(--border);
    color: var(--text);
}
.modal-header {
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border);
    color: var(--text);
}
.modal-header .btn-close { filter: invert(1); }
.modal-footer { border-top: 1px solid var(--border); }

/* ── Toasts ───────────────────────────────────────────────── */

#toast-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column-reverse;
    gap: 0.5rem;
    max-width: 400px;
}

/* ── Page Header ──────────────────────────────────────────── */

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
    flex-wrap: wrap;
    gap: 0.75rem;
}
.page-header h2 {
    margin: 0;
    font-weight: 600;
    font-size: 1.4rem;
}

/* ── Content fade-in ──────────────────────────────────────── */

#app-content { animation: fadeIn 0.15s ease; }
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ══════════════════════════════════════════════════════════════
   LAYOUT 1: Collapsible Left Sidebar
   ══════════════════════════════════════════════════════════════ */

.layout-sidebar .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-w);
    height: 100vh;
    background: var(--bg-card);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    z-index: 1040;
    transition: width 0.25s ease;
    overflow: hidden;
}

.layout-sidebar .sidebar.collapsed {
    width: var(--sidebar-w-collapsed);
}

.layout-sidebar .sidebar .brand {
    padding: 0.75rem;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    min-height: 56px;
    background: #1a1d23;
}

.layout-sidebar .sidebar .brand-text {
    font-size: 0.65rem;
    font-weight: 600;
    color: #9ca3af;
    transition: opacity 0.2s;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.layout-sidebar .sidebar.collapsed .brand-text {
    opacity: 0;
    width: 0;
    height: 0;
    overflow: hidden;
}

.layout-sidebar .sidebar .brand-icon {
    font-size: 1.3rem;
    flex-shrink: 0;
    color: #6366f1;
    display: none;
}

.layout-sidebar .sidebar.collapsed .brand-icon {
    display: block;
}

.layout-sidebar .sidebar .brand-logo {
    height: 28px;
    max-width: 140px;
    object-fit: contain;
}

.layout-sidebar .sidebar.collapsed .brand-logo {
    display: none !important;
}

.layout-sidebar .sidebar .nav-link {
    color: var(--text-muted);
    padding: 0.7rem 0.85rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    border-left: 3px solid transparent;
    transition: all 0.2s;
    white-space: nowrap;
    font-size: 0.875rem;
}

.layout-sidebar .sidebar .nav-link:hover,
.layout-sidebar .sidebar .nav-link.active {
    color: var(--text);
    background: var(--bg-hover);
    border-left-color: var(--accent);
}

.layout-sidebar .sidebar .nav-link .nav-icon {
    flex-shrink: 0;
    width: 22px;
    text-align: center;
    font-size: 1rem;
}

.layout-sidebar .sidebar .nav-label {
    transition: opacity 0.2s;
}

.layout-sidebar .sidebar.collapsed .nav-label {
    opacity: 0;
    width: 0;
    overflow: hidden;
}

.layout-sidebar .collapse-btn {
    margin-top: auto;
    padding: 0.75rem;
    border-top: 1px solid var(--border);
    text-align: center;
    cursor: pointer;
    color: var(--text-dim);
    transition: color 0.2s;
    font-size: 1.1rem;
}
.layout-sidebar .collapse-btn:hover { color: var(--text); }

.layout-sidebar .global-bar {
    position: fixed;
    top: 0;
    left: var(--sidebar-w);
    right: 0;
    z-index: 1030;
    transition: left 0.25s ease;
}
.layout-sidebar.sidebar-is-collapsed .global-bar {
    left: var(--sidebar-w-collapsed);
}

.layout-sidebar .main-content {
    margin-left: var(--sidebar-w);
    padding: calc(var(--topbar-h) + 1rem) 1.5rem 1.5rem;
    transition: margin-left 0.25s ease;
}
.layout-sidebar.sidebar-is-collapsed .main-content {
    margin-left: var(--sidebar-w-collapsed);
}

/* Mobile */
@media (max-width: 767.98px) {
    .layout-sidebar .sidebar {
        transform: translateX(-100%);
        width: var(--sidebar-w);
    }
    .layout-sidebar .sidebar.mobile-open {
        transform: translateX(0);
    }
    .layout-sidebar .sidebar.collapsed {
        width: var(--sidebar-w);
    }
    .layout-sidebar .global-bar { left: 0; }
    .layout-sidebar .main-content { margin-left: 0; }
    .layout-sidebar .mobile-toggle { display: inline-flex !important; }
}


/* ══════════════════════════════════════════════════════════════
   LAYOUT 2: Sticky Top Navbar
   ══════════════════════════════════════════════════════════════ */

.layout-topnav .topnav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--topbar-h);
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    padding: 0 1rem;
    gap: 1.5rem;
    z-index: 1040;
}

.layout-topnav .topnav .brand {
    font-weight: 700;
    font-size: 1rem;
    color: var(--text);
    white-space: nowrap;
    flex-shrink: 0;
}

.layout-topnav .topnav .nav-links {
    display: flex;
    gap: 0.25rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.layout-topnav .topnav .nav-link {
    color: var(--text-muted);
    padding: 0.5rem 0.85rem;
    border-radius: 6px;
    font-size: 0.85rem;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}
.layout-topnav .topnav .nav-link:hover,
.layout-topnav .topnav .nav-link.active {
    color: var(--text);
    background: var(--bg-hover);
}

.layout-topnav .topnav .nav-divider {
    width: 1px;
    height: 24px;
    background: var(--border);
    flex-shrink: 0;
}

.layout-topnav .global-bar {
    position: fixed;
    top: var(--topbar-h);
    left: 0;
    right: 0;
    z-index: 1030;
}

.layout-topnav .main-content {
    padding: calc(var(--topbar-h) + var(--topbar-h) + 0.5rem) 1.5rem 1.5rem;
}

/* Mobile */
@media (max-width: 767.98px) {
    .layout-topnav .topnav { gap: 0.5rem; padding: 0 0.5rem; }
    .layout-topnav .topnav .brand { font-size: 0.85rem; }
    .layout-topnav .topnav .nav-link { padding: 0.4rem 0.5rem; font-size: 0.8rem; }
    .layout-topnav .topnav .nav-link .nav-label-full { display: none; }
}


/* ══════════════════════════════════════════════════════════════
   LAYOUT 3: Top Bar + Collapsible Left Sidebar
   ══════════════════════════════════════════════════════════════ */

.layout-combo .combo-topbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--topbar-h);
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    padding: 0 1rem;
    gap: 0.75rem;
    z-index: 1050;
}

.layout-combo .combo-topbar .brand {
    font-weight: 700;
    font-size: 1rem;
    color: var(--text);
    white-space: nowrap;
}

.layout-combo .combo-topbar .global-section {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.layout-combo .sidebar {
    position: fixed;
    top: var(--topbar-h);
    left: 0;
    width: var(--sidebar-w);
    height: calc(100vh - var(--topbar-h));
    background: var(--bg-card);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    z-index: 1040;
    transition: width 0.25s ease;
    overflow: hidden;
}

.layout-combo .sidebar.collapsed {
    width: var(--sidebar-w-collapsed);
}

.layout-combo .sidebar .nav-link {
    color: var(--text-muted);
    padding: 0.7rem 0.85rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    border-left: 3px solid transparent;
    transition: all 0.2s;
    white-space: nowrap;
    font-size: 0.875rem;
}
.layout-combo .sidebar .nav-link:hover,
.layout-combo .sidebar .nav-link.active {
    color: var(--text);
    background: var(--bg-hover);
    border-left-color: var(--accent);
}
.layout-combo .sidebar .nav-link .nav-icon {
    flex-shrink: 0;
    width: 22px;
    text-align: center;
    font-size: 1rem;
}
.layout-combo .sidebar .nav-label {
    transition: opacity 0.2s;
}
.layout-combo .sidebar.collapsed .nav-label {
    opacity: 0; width: 0; overflow: hidden;
}

.layout-combo .sidebar .collapse-btn {
    margin-top: auto;
    padding: 0.75rem;
    border-top: 1px solid var(--border);
    text-align: center;
    cursor: pointer;
    color: var(--text-dim);
    font-size: 1.1rem;
}
.layout-combo .sidebar .collapse-btn:hover { color: var(--text); }

.layout-combo .main-content {
    margin-left: var(--sidebar-w);
    padding: calc(var(--topbar-h) + 1rem) 1.5rem 1.5rem;
    transition: margin-left 0.25s ease;
}
.layout-combo.sidebar-is-collapsed .main-content {
    margin-left: var(--sidebar-w-collapsed);
}

/* Mobile */
@media (max-width: 767.98px) {
    .layout-combo .sidebar {
        transform: translateX(-100%);
        width: var(--sidebar-w);
    }
    .layout-combo .sidebar.mobile-open { transform: translateX(0); }
    .layout-combo .sidebar.collapsed { width: var(--sidebar-w); }
    .layout-combo .main-content { margin-left: 0; }
    .layout-combo .mobile-toggle { display: inline-flex !important; }
}


/* ── Shared: mobile overlay ───────────────────────────────── */

.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 1035;
}
.sidebar-overlay.show { display: block; }

.mobile-toggle {
    display: none;
    background: none;
    border: 1px solid var(--border);
    color: var(--text);
    padding: 0.3rem 0.5rem;
    border-radius: 4px;
    font-size: 1.1rem;
    cursor: pointer;
}

/* ── Scrollbar ────────────────────────────────────────────── */

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-dark); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-dim); }

/* ── Responsive tweaks ────────────────────────────────────── */

@media (max-width: 575.98px) {
    .page-header { flex-direction: column; align-items: flex-start; }
    .page-header h2 { font-size: 1.2rem; }
    .stat-card { padding: 1rem 0.5rem; }
    .stat-card .stat-value { font-size: 1.5rem; }
}

/* Settings tab styling */
.nav-tabs { border-bottom-color: var(--border) !important; }
.nav-tabs .nav-link { color: var(--text-muted); border: none; border-bottom: 2px solid transparent; padding: 0.5rem 1rem; font-size: 0.9rem; }
.nav-tabs .nav-link:hover { color: var(--text); border-bottom-color: var(--text-muted); }
.nav-tabs .nav-link.active { color: var(--accent); border-bottom-color: var(--accent); background: none; }

/* Refresh spin animation */
@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }

/* Saving overlay */
.saving-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(2px);
}
.saving-card {
    background: var(--card, #22262e);
    border: 1px solid var(--border, #333a46);
    border-radius: 12px;
    padding: 1.5rem 2.5rem;
    text-align: center;
    min-width: 280px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.saving-bar-track {
    width: 100%;
    height: 4px;
    background: var(--border, #333a46);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 1rem;
}
.saving-bar {
    height: 100%;
    width: 40%;
    border-radius: 4px;
    background: linear-gradient(90deg, #3b82f6, #60a5fa, #3b82f6);
    background-size: 200% 100%;
    animation: savingSlide 1.5s ease-in-out infinite;
}
@keyframes savingSlide {
    0%   { transform: translateX(-100%); }
    100% { transform: translateX(350%); }
}
.saving-text {
    font-size: 0.85rem;
    color: var(--text-muted, #8b95a5);
    font-weight: 500;
}

/* ══════════════════════════════════════════════════════════════
   Phase 2+3 — Auth, Login, Users, Roles
   ══════════════════════════════════════════════════════════════ */

.login-screen {
    display: flex; align-items: center; justify-content: center;
    min-height: 100vh; background: var(--bg-dark);
}
.login-box {
    background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px;
    padding: 2rem 2.5rem; width: 380px; text-align: center;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}
.sidebar-footer { margin-top: auto; border-top: 1px solid var(--border); padding-top: 0.5rem; }
.bg-purple { background-color: #6366f1 !important; }

/* Brand logo — shown in normal state, hidden when collapsed */
.brand-logo { display: inline-block; }
.sidebar.collapsed .brand-logo { display: none !important; }
.sidebar:not(.collapsed) .brand-icon { display: none; }
.sidebar.collapsed .brand-icon { display: block !important; }

/* User info: expanded = full name+role, collapsed = initials */
.user-initials {
    display: none; width: 32px; height: 32px; border-radius: 50%;
    background: var(--accent); color: #fff; font-size: 0.7rem; font-weight: 700;
    align-items: center; justify-content: center; margin: 0 auto 0.25rem;
}
.sidebar.collapsed .user-initials { display: flex; }
.sidebar.collapsed #userInfo { display: none !important; }
.sidebar:not(.collapsed) .user-initials { display: none !important; }
.sidebar:not(.collapsed) #userInfo { display: block; }

/* Toast — bottom-right (defined above) */