/* Kazi RH Design System */
*, *::before, *::after { border-radius: 0 !important; }

:root {
    --color-primary: #1e3a5f;
    --color-primary-hover: #152a45;
    --color-accent: #2563eb;
    --color-bg: #f4f6f8;
    --color-surface: #ffffff;
    --color-text: #1a202c;
    --color-muted: #64748b;
    --color-border: #e2e8f0;
    --color-success: #059669;
    --color-warning: #d97706;
    --color-danger: #dc2626;
    --sidebar-width: 16rem;
    --sidebar-collapsed: 4.25rem;
}

html.theme-dark {
    --color-primary: #2563eb;
    --color-primary-hover: #1d4ed8;
    --color-accent: #60a5fa;
    --color-bg: #0a0f1a;
    --color-surface: #111827;
    --color-text: #f1f5f9;
    --color-muted: #94a3b8;
    --color-border: #1f2937;
    --color-success: #34d399;
    --color-warning: #fbbf24;
    --color-danger: #f87171;
}

html.theme-dark .kz-sidebar {
    background: linear-gradient(180deg, #0f172a 0%, #111827 100%);
    border-right: 1px solid #1e293b;
}

html.theme-dark .kz-nav-link:hover,
html.theme-dark .kz-nav-link.active {
    background: rgba(59, 130, 246, 0.15);
}

html.theme-dark header,
html.theme-dark .kz-topbar {
    background: #111827;
    border-color: #1f2937;
}

html.theme-dark .kz-card { box-shadow: 0 1px 0 rgba(255,255,255,0.04); }
html.theme-dark .kz-input { background: #0f172a; color: #f1f5f9; border-color: #374151; }
html.theme-dark .kz-btn-secondary { background: #1f2937; color: #f1f5f9; border-color: #374151; }
html.theme-dark .kz-btn-secondary:hover { background: #374151; }
html.theme-dark .kz-table th { background: #1f2937; color: #cbd5e1; }
html.theme-dark .kz-table tbody tr:hover { background: rgba(255,255,255,0.02); }
html.theme-dark .kz-badge-success { background: #064e3b; color: #6ee7b7; }
html.theme-dark .kz-badge-warning { background: #78350f; color: #fcd34d; }
html.theme-dark .kz-badge-danger { background: #7f1d1d; color: #fca5a5; }
html.theme-dark .kz-badge-info { background: #1e3a5f; color: #93c5fd; }
html.theme-dark .kz-alert-success { background: #064e3b; color: #d1fae5; }
html.theme-dark .kz-alert-error { background: #7f1d1d; color: #fee2e2; }
html.theme-dark .kz-alert-warning { background: #78350f; color: #fef3c7; }
html.theme-dark .kz-alert-info { background: #1e3a5f; color: #dbeafe; }
html.theme-dark .kz-modal { box-shadow: 0 25px 50px rgba(0,0,0,0.5); }
html.theme-dark .sandbox-banner { background: #d97706; color: #fff; }

html.theme-corporate {
    --color-primary: #1a5276;
    --color-primary-hover: #154360;
    --color-accent: #2874a6;
    --color-bg: #e8edf2;
    --color-surface: #ffffff;
    --color-text: #1c2833;
    --color-muted: #5d6d7e;
    --color-border: #bfc9ca;
}

html.theme-corporate .kz-sidebar {
    background: linear-gradient(180deg, #1a5276 0%, #154360 100%);
}

html.theme-corporate .kz-card {
    border-left: 3px solid var(--color-accent);
}

body { background: var(--color-bg); color: var(--color-text); font-family: 'Segoe UI', system-ui, sans-serif; }

html, body { height: 100%; }

/* App shell: lock to viewport so sidebar and content scroll independently */
body.app-shell {
    height: 100vh;
    height: 100dvh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}
body.app-shell .sandbox-banner { flex-shrink: 0; }

.kz-sidebar {
    background: var(--color-primary);
    color: #fff;
    min-height: 100vh;
    width: var(--sidebar-width);
    display: flex;
    flex-direction: column;
}

/* On desktop the sidebar fills the wrapper height; its nav scrolls internally */
@media (min-width: 768px) {
    .kz-sidebar { min-height: 0; height: 100%; align-self: stretch; }
}

.kz-nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.65rem 1rem;
    color: rgba(255,255,255,0.88);
    text-decoration: none;
    transition: background 0.15s;
}

.kz-nav-link:hover, .kz-nav-link.active {
    background: rgba(255,255,255,0.14);
    color: #fff;
}

.kz-nav-link .nav-icon { width: 1.15rem; height: 1.15rem; flex-shrink: 0; }

.kz-nav-group { margin-bottom: 0.35rem; }
.kz-nav-group-label {
    padding: 0.55rem 1rem 0.25rem;
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.45);
}
.sidebar-nav-groups { flex: 1 1 auto; min-height: 0; overflow-y: auto; overflow-x: hidden; scrollbar-width: thin; scrollbar-color: rgba(255,255,255,0.25) transparent; overscroll-behavior: contain; }
.sidebar-nav-groups::-webkit-scrollbar { width: 6px; }
.sidebar-nav-groups::-webkit-scrollbar-track { background: transparent; }
.sidebar-nav-groups::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.25); border-radius: 3px; }
.sidebar-nav-groups::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.4); }
main.overflow-auto { overscroll-behavior: contain; }

#app-wrapper.sidebar-collapsed .kz-nav-group-label { display: none; }
#app-wrapper.sidebar-collapsed .kz-nav-group { margin-bottom: 0.15rem; border-top: 1px solid rgba(255,255,255,0.08); padding-top: 0.15rem; }
#app-wrapper.sidebar-collapsed .kz-nav-group:first-child { border-top: none; padding-top: 0; }

.kz-search-wrap { position: relative; }
.kz-search-dropdown {
    display: none;
    position: absolute;
    top: calc(100% + 0.35rem);
    right: 0;
    width: min(22rem, 90vw);
    max-height: 22rem;
    overflow: auto;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    box-shadow: 0 12px 32px rgba(0,0,0,0.18);
    z-index: 80;
}
.kz-search-dropdown.open { display: block; }
.kz-search-item {
    display: flex;
    align-items: flex-start;
    gap: 0.65rem;
    padding: 0.65rem 0.85rem;
    text-decoration: none;
    color: var(--color-text);
    border-bottom: 1px solid var(--color-border);
}
.kz-search-item:hover, .kz-search-item.active { background: var(--color-bg); }
.kz-search-item small { display: block; color: var(--color-muted); font-size: 0.72rem; margin-top: 0.1rem; }
.kz-search-empty { padding: 0.85rem; color: var(--color-muted); font-size: 0.85rem; }

#app-wrapper.sidebar-collapsed #sidebar { width: var(--sidebar-collapsed); }
#app-wrapper.sidebar-collapsed .sidebar-label,
#app-wrapper.sidebar-collapsed .sidebar-subtitle,
#app-wrapper.sidebar-collapsed .sidebar-label-wrap { display: none; }
#app-wrapper.sidebar-collapsed .sidebar-brand { justify-content: center; padding: 0.75rem 0.5rem; }
#app-wrapper.sidebar-collapsed .kz-nav-link { justify-content: center; padding: 0.75rem 0.5rem; }
#app-wrapper.sidebar-collapsed .kz-nav-link .sidebar-label { display: none; }
#app-wrapper.sidebar-collapsed .sidebar-logo { margin: 0 auto; }
#app-wrapper.sidebar-collapsed #sidebar-collapse-toggle { display: none !important; }
#app-wrapper.sidebar-collapsed .kz-nav-link[title]:hover::after {
    content: attr(title);
    position: absolute;
    left: calc(var(--sidebar-collapsed) + 4px);
    background: var(--color-text);
    color: var(--color-surface);
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    white-space: nowrap;
    z-index: 60;
}
#app-wrapper.sidebar-collapsed .kz-nav-link { position: relative; }

.kz-card { background: var(--color-surface); border: 1px solid var(--color-border); }
.kz-btn { display: inline-flex; align-items: center; gap: 0.35rem; padding: 0.5rem 1rem; font-size: 0.875rem; font-weight: 500; border: none; cursor: pointer; }
.kz-btn-primary { background: var(--color-primary); color: #fff; }
.kz-btn-primary:hover { background: var(--color-primary-hover); }
.kz-btn-secondary { background: var(--color-surface); color: var(--color-text); border: 1px solid var(--color-border); }
.kz-btn-danger { background: var(--color-danger); color: #fff; }
.kz-input { width: 100%; padding: 0.5rem 0.75rem; border: 1px solid var(--color-border); background: var(--color-surface); color: var(--color-text); }
.kz-table { width: 100%; border-collapse: collapse; }
.kz-table th, .kz-table td { padding: 0.75rem 1rem; text-align: left; border-bottom: 1px solid var(--color-border); }
.kz-table th { background: var(--color-bg); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--color-muted); font-weight: 600; }
.kz-badge { display: inline-block; padding: 0.125rem 0.5rem; font-size: 0.75rem; font-weight: 500; }
.kz-badge-success { background: #d1fae5; color: #065f46; }
.kz-badge-warning { background: #fef3c7; color: #92400e; }
.kz-badge-danger { background: #fee2e2; color: #991b1b; }
.kz-badge-info { background: #dbeafe; color: #1e40af; }
.kz-alert { padding: 0.75rem 1rem; border-left: 4px solid; margin-bottom: 1rem; }
.kz-alert-success { border-color: var(--color-success); background: #ecfdf5; }
.kz-alert-error { border-color: var(--color-danger); background: #fef2f2; }
.kz-alert-warning { border-color: var(--color-warning); background: #fffbeb; }
.kz-alert-info { border-color: var(--color-accent); background: #eff6ff; }

.sandbox-banner { background: #f59e0b; color: #1e293b; padding: 0.5rem 1rem; font-weight: 600; text-align: center; }

.kz-modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.55);
    z-index: 100;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}
.kz-modal-overlay.open { display: flex; }
.kz-modal {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    width: 100%;
    max-width: 900px;
    max-height: 90vh;
    overflow: auto;
    box-shadow: 0 20px 40px rgba(0,0,0,0.25);
}
.kz-modal-header { display: flex; justify-content: space-between; align-items: center; padding: 1rem 1.25rem; border-bottom: 1px solid var(--color-border); }
.kz-modal-body { padding: 1.25rem; }
.kz-modal-footer { padding: 1rem 1.25rem; border-top: 1px solid var(--color-border); display: flex; gap: 0.5rem; justify-content: flex-end; }

.bulk-table input, .bulk-table select { font-size: 0.8rem; padding: 0.35rem 0.5rem; }

.sidebar-toggle-btn { background: transparent; border: 1px solid var(--color-border); color: var(--color-text); padding: 0.35rem; cursor: pointer; }

@media (max-width: 767px) {
    #sidebar { transform: translateX(-100%); width: var(--sidebar-width) !important; }
    #sidebar.open { transform: translateX(0) !important; }
    .mobile-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 40; }
    .mobile-overlay.open { display: block; }
    #main-content > main { padding: 0.75rem !important; }
}

.kz-admin-tabs {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    gap: 0.5rem;
    padding-bottom: 0.35rem;
    margin-bottom: 1.5rem;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
}

.kz-admin-tabs .kz-btn {
    flex-shrink: 0;
    white-space: nowrap;
}

@media (max-width: 991px) {
    .kz-card:has(> .kz-table),
    .kz-card.overflow-x-auto {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .kz-table { min-width: 36rem; }

    .kz-table th,
    .kz-table td {
        padding: 0.5rem 0.65rem;
        font-size: 0.8125rem;
    }

    .kz-modal {
        max-width: calc(100vw - 1.5rem);
        max-height: calc(100dvh - 1.5rem);
    }

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

@media (max-width: 639px) {
    .kz-btn { padding: 0.45rem 0.75rem; font-size: 0.8125rem; }

    .kz-card.p-6 { padding: 1rem !important; }

    #main-content header h2 { font-size: 1rem; }

    .grid.grid-cols-1.md\:grid-cols-2,
    .grid.grid-cols-1.md\:grid-cols-3 {
        grid-template-columns: 1fr !important;
    }
}

.kz-toast { position: relative; z-index: 60; box-shadow: 0 8px 24px rgba(0,0,0,0.12); }

.org-chart-wrap { min-height: 280px; }
.org-chart-visual { display: flex; justify-content: flex-start; padding: 1rem 0 2rem; overflow-x: auto; }
.org-chart-visual > .org-h-tree-root { margin-left: auto; margin-right: auto; }
.org-h-tree { display: flex; justify-content: center; list-style: none; padding: 0; margin: 0; }
.org-h-tree ul { display: flex; justify-content: center; list-style: none; padding-top: 1.25rem; margin: 0; position: relative; }
.org-h-tree li { display: flex; flex-direction: column; align-items: center; position: relative; padding: 0 0.75rem 1.25rem; }
.org-h-tree li::before, .org-h-tree li::after {
    content: ''; position: absolute; top: 0; width: 50%; height: 1.25rem; border-top: 2px solid var(--color-border);
}
.org-h-tree li::before { right: 50%; border-right: 1px solid var(--color-border); }
.org-h-tree li::after { left: 50%; border-left: 1px solid var(--color-border); }
.org-h-tree li:only-child::before, .org-h-tree li:only-child::after { display: none; }
.org-h-tree li:first-child::before, .org-h-tree li:last-child::after { border: none; }
.org-h-tree-root > li::before, .org-h-tree-root > li::after { display: none; }
.org-h-tree ul::before { content: ''; position: absolute; top: 0; left: 50%; width: 0; height: 1.25rem; border-left: 2px solid var(--color-border); }
.org-h-card {
    display: flex; align-items: center; gap: 0.75rem; min-width: 200px; padding: 0.85rem 1rem;
    background: var(--color-surface); border: 2px solid var(--color-accent); box-shadow: 0 4px 14px rgba(0,0,0,0.06);
}
.org-h-avatar {
    width: 2.5rem; height: 2.5rem; border-radius: 50%; display: flex; align-items: center; justify-content: center;
    background: var(--color-accent); color: #fff; font-weight: 700; font-size: 0.85rem; flex-shrink: 0;
}
.org-h-name { font-weight: 600; font-size: 0.95rem; margin: 0; }
.org-h-dept { font-size: 0.75rem; color: var(--color-muted); margin: 0.15rem 0 0; }
.org-h-card { cursor: grab; position: relative; transition: box-shadow 0.15s, border-color 0.15s; }
.org-h-card:active { cursor: grabbing; }
.org-h-card.org-dragging { opacity: 0.55; box-shadow: 0 8px 24px rgba(0,0,0,0.15); }
.org-h-card.org-drop-target { border-color: var(--color-success, #22c55e); background: rgba(34,197,94,0.12); box-shadow: inset 0 0 0 2px rgba(34,197,94,0.35); transform: scale(1.02); }
.org-h-node.org-drop-target > .org-h-card { border-color: var(--color-success, #22c55e); background: rgba(34,197,94,0.12); box-shadow: inset 0 0 0 2px rgba(34,197,94,0.35); }
.org-drop-root.org-drop-active { border-color: var(--color-accent); background: rgba(59,130,246,0.06); color: var(--color-text); }
.org-h-drag-handle { position: absolute; top: 4px; right: 4px; opacity: 0.45; cursor: grab; }
.org-h-node { min-height: 3rem; }

.kz-list-actions {
    display: grid; grid-template-columns: 1fr; gap: 0.5rem; margin-bottom: 1.5rem; align-items: start;
}
@media (min-width: 768px) {
    .kz-list-actions { grid-template-columns: auto 1fr; align-items: center; }
    .kz-list-actions-primary { display: flex; flex-wrap: wrap; gap: 0.5rem; }
    .kz-list-actions-extra { display: flex; flex-wrap: wrap; gap: 0.5rem; justify-content: flex-end; }
}
.kz-toolbar-grid { display: grid; grid-template-columns: 1fr; gap: 0.5rem; width: 100%; }
@media (min-width: 640px) { .kz-toolbar-grid { grid-template-columns: 1fr auto auto; align-items: center; } }
.kz-quick-link-btn {
    display: flex; align-items: center; justify-content: center; gap: 0.5rem;
    padding: 1rem 1.25rem; font-weight: 600; text-decoration: none; color: var(--color-text);
    background: var(--color-surface); border: 2px solid var(--color-accent); transition: background 0.15s, transform 0.15s;
}
.kz-quick-link-btn:hover { background: color-mix(in srgb, var(--color-accent) 8%, var(--color-surface)); transform: translateY(-1px); }
.kz-kbd { display: inline-block; padding: 0.15rem 0.45rem; font-family: monospace; font-size: 0.8rem; border: 1px solid var(--color-border); background: var(--color-bg); }
#btn-undo:disabled, #btn-redo:disabled { opacity: 0.4; cursor: not-allowed; }
.kz-toast-undo-link { margin-left: 0.75rem; font-weight: 600; text-decoration: underline; cursor: pointer; background: none; border: none; color: inherit; }

.kz-emp-picker-search { font-size: 0.875rem; }
.kz-cat-chip {
    display: inline-flex; align-items: center; gap: 0.35rem; padding: 0.35rem 0.65rem;
    border-radius: 999px; border: 1px solid var(--color-border); background: var(--color-surface);
    font-size: 0.75rem; cursor: pointer; transition: background 0.15s, border-color 0.15s;
}
.kz-cat-chip:hover, .kz-cat-chip.active { border-color: var(--cat-color, var(--color-accent)); background: color-mix(in srgb, var(--cat-color, var(--color-accent)) 12%, transparent); }
.kz-cat-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--cat-color, var(--color-accent)); }
.kz-cat-chip-muted { --cat-color: var(--color-muted); }
.kz-emp-picker-row.kz-filter-hidden { display: none; }
.kz-emp-select select option.kz-filter-hidden { display: none; }
.schedule-day-row .schedule-off:checked ~ .schedule-start,
.schedule-day-row .schedule-off:checked ~ span,
.schedule-day-row .schedule-off:checked ~ .schedule-end { opacity: 0.45; }
input[type="time"].kz-input, input[type="date"].kz-input { min-height: 2.5rem; }
input[type="date"]::-webkit-calendar-picker-indicator,
input[type="time"]::-webkit-calendar-picker-indicator { cursor: pointer; opacity: 0.7; }

.kz-table-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: center;
    margin-bottom: 1rem;
}

.kz-table-toolbar .kz-table-filter-input {
    max-width: 20rem;
    min-width: 12rem;
    flex: 1 1 12rem;
}

.kz-table-toolbar .kz-table-filter-select {
    max-width: 12rem;
    min-width: 9rem;
}

.kz-table-filter-count {
    font-size: 0.8125rem;
    color: var(--color-muted);
    margin-left: auto;
}

.kz-table tr.kz-table-filter-hidden {
    display: none;
}

/* Accessibility (WCAG) */
.kz-skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    z-index: 10000;
    padding: 0.75rem 1rem;
    background: var(--color-primary);
    color: #fff;
    font-weight: 600;
}
.kz-skip-link:focus {
    left: 0.5rem;
    top: 0.5rem;
    outline: 3px solid var(--color-accent);
    outline-offset: 2px;
}
:focus-visible {
    outline: 3px solid var(--color-accent);
    outline-offset: 2px;
}
.kz-btn:focus-visible,
.kz-input:focus-visible,
.kz-nav-link:focus-visible {
    outline: 3px solid var(--color-accent);
    outline-offset: 2px;
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}
@media (prefers-contrast: more) {
    :root {
        --color-text: #000;
        --color-muted: #333;
        --color-border: #000;
    }
    .kz-btn-primary { border: 2px solid #000; }
}