:root {
    --primary: #4f46e5;
    --primary-dark: #4338ca;
    --sidebar-bg: #111827;
    --sidebar-text: #9ca3af;
    --sidebar-text-active: #ffffff;
    --bg: #f4f5f9;
    --card-bg: #ffffff;
    --border: #e5e7eb;
    --text: #1f2937;
    --text-muted: #6b7280;
    --success: #16a34a;
    --danger: #dc2626;
    --warning: #d97706;
    --radius: 10px;
}

[data-theme="dark"] {
    --primary: #6366f1;
    --primary-dark: #818cf8;
    --sidebar-bg: #0b0f19;
    --sidebar-text: #9ca3af;
    --sidebar-text-active: #ffffff;
    --bg: #10131c;
    --card-bg: #1a1f2e;
    --border: #2d3348;
    --text: #e5e7eb;
    --text-muted: #9ca3af;
    --success: #22c55e;
    --danger: #ef4444;
    --warning: #f59e0b;
}

[data-theme="dark"] .table,
[data-theme="dark"] .pro-table td,
[data-theme="dark"] .pro-table th {
    color: var(--text);
}
[data-theme="dark"] table.pro-table tr:hover { background: #232939; }
[data-theme="dark"] .form-control,
[data-theme="dark"] .form-select {
    background-color: #232939;
    border-color: var(--border);
    color: var(--text);
}
[data-theme="dark"] .form-control:focus,
[data-theme="dark"] .form-select:focus {
    background-color: #232939;
    color: var(--text);
}
[data-theme="dark"] .modal-content { background-color: var(--card-bg); color: var(--text); }
[data-theme="dark"] .dropdown-menu { background-color: var(--card-bg); border-color: var(--border); }
[data-theme="dark"] .dropdown-item { color: var(--text); }
[data-theme="dark"] .dropdown-item:hover { background-color: #232939; color: var(--text); }
[data-theme="dark"] .btn-outline-secondary { color: var(--text); border-color: var(--border); }
[data-theme="dark"] .table > :not(caption) > * > * { background-color: transparent; }
[data-theme="dark"] .user-menu { background: var(--card-bg); border-color: var(--border); color: var(--text); }
[data-theme="dark"] .badge.bg-light { background-color: #232939 !important; color: var(--text) !important; border-color: var(--border) !important; }

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    font-size: 14.5px;
}

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

/* Sidebar */
.sidebar {
    width: 250px;
    background: var(--sidebar-bg);
    color: var(--sidebar-text);
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    transition: margin-left .25s ease;
}
.sidebar-brand {
    padding: 20px;
    font-size: 18px;
    font-weight: 700;
    color: #fff;
    border-bottom: 1px solid rgba(255,255,255,.08);
}
.sidebar-brand i { color: var(--primary); margin-right: 8px; }
.sidebar-nav { padding: 12px 0; overflow-y: auto; }
.nav-section {
    text-transform: uppercase;
    font-size: 11px;
    letter-spacing: .06em;
    color: #6b7280;
    padding: 16px 20px 6px;
}
.nav-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    color: var(--sidebar-text);
    text-decoration: none;
    font-size: 14px;
    transition: background .15s;
    border-left: 3px solid transparent;
}
.nav-link:hover { background: rgba(255,255,255,.05); color: var(--sidebar-text-active); }
.nav-link.active { background: rgba(79,70,229,.15); color: #fff; border-left-color: var(--primary); }
.nav-link.disabled { opacity: .45; cursor: not-allowed; }
.badge-soon { margin-left: auto; font-size: 10px; background: #374151; padding: 1px 6px; border-radius: 6px; }

/* Main content */
.main-content { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.topbar {
    height: 62px;
    background: var(--card-bg);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
}
.btn-toggle { background: none; border: none; font-size: 20px; cursor: pointer; }
.user-menu { border: 1px solid var(--border); background: #fff; border-radius: 8px; padding: 6px 14px; }
.page-content { padding: 24px; }

/* Cards */
.stat-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 20px;
    border: 1px solid var(--border);
    box-shadow: 0 1px 2px rgba(0,0,0,.03);
}
.stat-card .stat-label { color: var(--text-muted); font-size: 13px; margin-bottom: 6px; }
.stat-card .stat-value { font-size: 24px; font-weight: 700; }
.stat-card .stat-icon {
    width: 42px; height: 42px; border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    font-size: 18px; color: #fff;
}

.card-panel {
    background: var(--card-bg);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    padding: 20px;
}

table.pro-table { width: 100%; border-collapse: collapse; }
table.pro-table th {
    text-align: left; font-size: 12.5px; text-transform: uppercase;
    color: var(--text-muted); border-bottom: 1px solid var(--border);
    padding: 10px 12px; letter-spacing: .04em;
}
table.pro-table td { padding: 12px; border-bottom: 1px solid var(--border); }
table.pro-table tr:hover { background: #fafafa; }

/* Quick Create mega-menu (QuickBooks-style "+ New") */
.quick-create-menu { width: 460px; padding: 18px; border: none; box-shadow: 0 10px 40px rgba(0,0,0,.15); }
.qc-col-title { font-size: 11px; text-transform: uppercase; letter-spacing: .06em; color: var(--text-muted); font-weight: 600; margin-bottom: 8px; }
.qc-item {
    display: flex; align-items: center; gap: 10px; padding: 8px 10px; border-radius: 8px;
    color: var(--text); text-decoration: none; font-size: 13.5px; margin-bottom: 2px;
}
.qc-item:hover { background: var(--bg); color: var(--primary); }
.qc-item i { font-size: 16px; width: 20px; text-align: center; color: var(--text-muted); }
.qc-item:hover i { color: var(--primary); }
[data-theme="dark"] .quick-create-menu { background: var(--card-bg); }

/* Global search */
.global-search { position: relative; width: 280px; }
.global-search input {
    width: 100%; padding: 8px 12px 8px 36px; border-radius: 8px; border: 1px solid var(--border);
    background: var(--bg); color: var(--text); font-size: 13.5px;
}
.global-search i.bi-search { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: var(--text-muted); }
.search-results-dropdown {
    position: absolute; top: 42px; left: 0; width: 100%; background: var(--card-bg);
    border: 1px solid var(--border); border-radius: 10px; box-shadow: 0 10px 30px rgba(0,0,0,.15);
    max-height: 400px; overflow-y: auto; z-index: 1050; display: none;
}
.search-results-dropdown.show { display: block; }
.search-result-group-label { font-size: 11px; text-transform: uppercase; color: var(--text-muted); padding: 8px 14px 4px; }
.search-result-item { display: block; padding: 8px 14px; color: var(--text); text-decoration: none; font-size: 13.5px; }
.search-result-item:hover { background: var(--bg); }
.search-result-item small { display: block; color: var(--text-muted); }

@media (max-width: 900px) {
    .global-search { display: none; }
}

/* Right-click context menu (QuickBooks-style) */
.ctx-menu {
    position: fixed; z-index: 2000; background: var(--card-bg); border: 1px solid var(--border);
    border-radius: 8px; box-shadow: 0 10px 30px rgba(0,0,0,.18); padding: 6px; min-width: 170px; display: none;
}
.ctx-menu.show { display: block; }
.ctx-menu-item {
    display: flex; align-items: center; gap: 8px; padding: 8px 12px; border-radius: 6px;
    color: var(--text); text-decoration: none; font-size: 13.5px; cursor: pointer;
}
.ctx-menu-item:hover { background: var(--bg); color: var(--primary); }
.ctx-menu-item.danger { color: #dc2626; }
.ctx-menu-item.danger:hover { background: #fef2f2; }
.ctx-menu-item i { width: 16px; text-align: center; }
.ctx-menu-divider { height: 1px; background: var(--border); margin: 4px 6px; }
tr[data-ctx-view], tr[data-ctx-edit] { cursor: context-menu; }

/* Desktop-style top menu bar */
.app-menubar {
    display: flex; align-items: stretch; background: var(--card-bg); border-bottom: 1px solid var(--border);
    padding: 0 8px; font-size: 13px; user-select: none;
}
.mb-item {
    position: relative; padding: 8px 14px; cursor: pointer; color: var(--text); white-space: nowrap;
}
.mb-item:hover, .mb-item.open { background: var(--bg); }
.mb-dropdown {
    display: none; position: absolute; top: 100%; left: 0; min-width: 220px; background: var(--card-bg);
    border: 1px solid var(--border); border-radius: 0 0 8px 8px; box-shadow: 0 10px 30px rgba(0,0,0,.15);
    z-index: 1500; padding: 6px; max-height: 80vh; overflow-y: auto;
}
.mb-item.open .mb-dropdown { display: block; }
.mb-dropdown a {
    display: flex; align-items: center; gap: 8px; padding: 7px 10px; border-radius: 6px;
    color: var(--text); text-decoration: none; font-size: 13px;
}
.mb-dropdown a:hover { background: var(--bg); color: var(--primary); }
.mb-dropdown a i { width: 16px; text-align: center; color: var(--text-muted); }
.mb-label { font-size: 10.5px; text-transform: uppercase; letter-spacing: .05em; color: var(--text-muted); padding: 6px 10px 3px; }
.mb-divider { height: 1px; background: var(--border); margin: 5px 4px; }

.mb-modal-overlay {
    display: none; position: fixed; inset: 0; background: rgba(0,0,0,.4); z-index: 3000;
    align-items: center; justify-content: center;
}
.mb-modal-overlay.show { display: flex; }
.mb-modal { background: var(--card-bg); border-radius: 10px; padding: 24px; width: 90%; max-width: 420px; color: var(--text); }

@media print {
    .app-menubar { display: none !important; }
}

/* Breadcrumbs */
.app-breadcrumb { padding: 10px 4px 4px; font-size: 12.5px; color: var(--text-muted); }
.app-breadcrumb a { color: var(--text-muted); text-decoration: none; }
.app-breadcrumb a:hover { color: var(--primary); text-decoration: underline; }
.app-breadcrumb .current { color: var(--text); font-weight: 600; }
.app-breadcrumb .breadcrumb-sep { font-size: 9px; margin: 0 7px; vertical-align: middle; color: var(--border); }
@media print { .app-breadcrumb { display: none !important; } }

/* Side Drawer (quick preview without leaving the page) */
.side-drawer-overlay {
    display: none; position: fixed; inset: 0; background: rgba(0,0,0,.3); z-index: 2500;
}
.side-drawer-overlay.show { display: block; }
.side-drawer {
    position: fixed; top: 0; right: -400px; width: 380px; max-width: 90vw; height: 100%;
    background: var(--card-bg); box-shadow: -4px 0 24px rgba(0,0,0,.15); z-index: 2600;
    transition: right .25s ease; overflow-y: auto; color: var(--text);
}
.side-drawer.show { right: 0; }
.drawer-header { display: flex; justify-content: space-between; align-items: flex-start; padding: 20px; border-bottom: 1px solid var(--border); }
.drawer-body { padding: 20px; }
.drawer-loading { padding: 40px; text-align: center; color: var(--text-muted); }
.quick-view-trigger { cursor: pointer; }
.quick-view-trigger:hover { text-decoration: underline; color: var(--primary); }

.btn-primary-app {
    background: var(--primary); border: none; color: #fff;
    padding: 9px 18px; border-radius: 8px; font-weight: 500;
}
.btn-primary-app:hover { background: var(--primary-dark); color: #fff; }

.auth-page {
    min-height: 100vh; display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, #4f46e5, #6366f1);
}
.auth-card {
    background: #fff; border-radius: 14px; padding: 40px;
    width: 100%; max-width: 420px; box-shadow: 0 20px 50px rgba(0,0,0,.2);
}

/* Mobile */
@media (max-width: 900px) {
    .sidebar { position: fixed; z-index: 1000; height: 100vh; margin-left: -250px; }
    .sidebar.show { margin-left: 0; }
    .main-content { width: 100%; }
}