:root {
    --bg: #f8fafc;
    --surface: #ffffff;
    --surface-raised: #ffffff;
    --surface-muted: #f4f4f5;
    --surface-tint: #f8fafc;
    --text: #27272a;
    --text-strong: #09090b;
    --text-muted: #71717a;
    --border: #e4e4e7;
    --border-strong: #d4d4d8;
    --accent: #18181b;
    --accent-strong: #09090b;
    --accent-soft: #f4f4f5;
    --accent-glow: rgba(24,24,27,.12);
    --ring: rgba(24,24,27,.18);
    --radius: 10px;
    --shadow-xs: 0 1px 2px rgba(0,0,0,.04);
    --shadow-sm: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04);
    --shadow-lg: 0 16px 40px rgba(0,0,0,.12);
    color-scheme: light;
}

html[data-theme="dark"] {
    --bg: #09090b;
    --surface: #101012;
    --surface-raised: #18181b;
    --surface-muted: #27272a;
    --surface-tint: #131316;
    --text: #e4e4e7;
    --text-strong: #fafafa;
    --text-muted: #a1a1aa;
    --border: #27272a;
    --border-strong: #3f3f46;
    --accent: #fafafa;
    --accent-strong: #ffffff;
    --accent-soft: #27272a;
    --accent-glow: rgba(255,255,255,.09);
    --ring: rgba(250,250,250,.22);
    --shadow-xs: 0 1px 2px rgba(0,0,0,.28);
    --shadow-sm: 0 1px 3px rgba(0,0,0,.42), 0 1px 2px rgba(0,0,0,.28);
    --shadow-lg: 0 20px 50px rgba(0,0,0,.55);
    color-scheme: dark;
}

body, .workspace, .topbar, .panel, .form-section, .form-panel, input, select, textarea, .button, .icon-button, .page-action-footer, .setup-actions { transition: background-color .24s cubic-bezier(.16,1,.3,1), border-color .24s cubic-bezier(.16,1,.3,1), color .18s ease, box-shadow .24s cubic-bezier(.16,1,.3,1); }
body { background: var(--bg); color: var(--text); }
h1, h2, h3, .data-table td strong, .metric strong, .metric-card strong, .profile-header h2 { color: var(--text-strong); }
label { color: var(--text); }

.sidebar { background: #09090b; border-color: #27272a; }
.sidebar::before { background: rgba(255,255,255,.08); }
.brand-mark { background: #fafafa; color: #09090b; border: 1px solid rgba(255,255,255,.2); border-radius: var(--radius); box-shadow: var(--shadow-sm); }
.nav-link, .nav-group summary { border-radius: calc(var(--radius) - 2px); }
.nav-link.is-active { background: #fafafa; color: #09090b; box-shadow: none; }
.nav-link.is-active::before { display: none; }
.nav-group summary:hover, .nav-group[open] > summary { background: #18181b; }
.nav-sub-link.is-active { background: #27272a; color: #fafafa; }
.sidebar-footer { border-color: #27272a; background: #18181b; }

.topbar { background: color-mix(in srgb,var(--surface) 92%,transparent); border-color: var(--border); }
.workspace { background: var(--bg); background-image: radial-gradient(circle at 82% 0%,var(--accent-glow),transparent 25%); }
.workspace:has(.data-view) { padding: 0 0 100px; }
.panel.data-view { min-height: 100%; border: 0; border-radius: 0; box-shadow: none; }
.panel.data-view:hover { border-color: transparent; }
.panel, .form-section { border-color: var(--border); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow-xs); }
.panel-header, .section-heading { background: var(--surface); border-color: var(--border); }
.panel:hover { border-color: var(--border-strong); }

.icon-button, .button { border-color: var(--border); border-radius: calc(var(--radius) - 2px); background: var(--surface); color: var(--text); box-shadow: var(--shadow-xs); }
.icon-button:hover, .button:hover { border-color: var(--border-strong); background: var(--surface-muted); color: var(--text-strong); transform: translateY(-1px); }
.button:active, .icon-button:active, .status-pill:active { transform: scale(.98); }
.button.primary { border-color: var(--accent); background: var(--accent); color: var(--surface); box-shadow: var(--shadow-xs); }
html[data-theme="dark"] .button.primary { color: #18181b; }
.button.primary:hover { border-color: var(--accent-strong); background: var(--accent-strong); color: var(--surface); }
html[data-theme="dark"] .button.primary:hover { color: #09090b; }
:focus-visible { outline-color: var(--ring); }

input, select, textarea { border-color: var(--border); border-radius: calc(var(--radius) - 2px); background: var(--surface); color: var(--text-strong); box-shadow: var(--shadow-xs); }
input:hover, select:hover, textarea:hover { border-color: var(--border-strong); }
input:focus, select:focus, textarea:focus { border-color: var(--text-muted); box-shadow: 0 0 0 3px var(--ring); }
input[readonly], .linked-field { background: var(--surface-muted); color: var(--text-muted); }

.list-toolbar, .list-footer, .data-table th { border-color: var(--border); background: var(--surface-tint); color: var(--text-muted); }
.data-table td, .mobile-list-card { border-color: var(--border); }
.data-table tbody tr:hover { background: var(--surface-tint); }
.column-menu-panel, .filter-sheet { border-color: var(--border); background: var(--surface); box-shadow: var(--shadow-lg); }
.column-menu-panel label, .filter-options label { background: var(--surface-muted); color: var(--text); }
.status-pills { border-color: var(--border); background: var(--surface-muted); }
.status-pill { color: var(--text-muted); }
.status-pill.is-active { background: var(--surface); color: var(--text-strong); box-shadow: var(--shadow-xs); }
.page-button { border-color: var(--border); background: var(--surface); color: var(--text-muted); }
.page-button.is-active { border-color: var(--accent); background: var(--accent); color: var(--surface); }

.metric, .metric-card, .quick-action, .detail-grid > div, .address-card { border-color: var(--border); border-radius: var(--radius); background: var(--surface-tint); }
.metric::after, .metric-card::after, .quick-action-icon { background: var(--surface-muted); color: var(--text-strong); }
.quick-action:hover { border-color: var(--border-strong); background: var(--surface-muted); box-shadow: var(--shadow-sm); }
.dashboard-hero { background: #18181b; border-color: #27272a; }
.dashboard-hero .eyebrow { color: #a1a1aa; }
.dashboard-hero p { color: #d4d4d8; }

.profile-header { background: var(--surface); }
.profile-tabs { border-color: var(--border); background: var(--surface); }
.profile-tab.is-active { background: var(--accent); color: var(--surface); box-shadow: none; }
html[data-theme="dark"] .profile-tab.is-active { color: #18181b; }
.permission-group, .permission-group summary { border-color: var(--border); background: var(--surface); }
.permission-list, .permission-row { border-color: var(--border); }
.permission-row.is-sensitive { background: color-mix(in srgb,var(--warning-soft) 45%,var(--surface)); }
.permission-row.is-dangerous { background: color-mix(in srgb,var(--danger-soft) 45%,var(--surface)); }

.page-action-footer, .employee-profile .form-panel > .form-actions, .setup-actions { border-color: var(--border); background: color-mix(in srgb,var(--surface) 94%,transparent); box-shadow: 0 -8px 24px rgba(0,0,0,.08); }
.page-action-footer > .button:not(.primary), .employee-profile .form-panel > .form-actions > .button:not(.primary) { border-color: var(--border-strong); background: var(--surface-muted); color: var(--text-strong); font-weight: 750; box-shadow: var(--shadow-xs); }
.page-action-footer > .button:not(.primary):hover, .employee-profile .form-panel > .form-actions > .button:not(.primary):hover { border-color: var(--text-muted); background: var(--surface-raised); color: var(--text-strong); }
.page-action-footer > .page-back-button::before, .employee-profile .form-panel > .form-actions > .page-back-button::before { content: "←"; margin-right: 7px; font-size: 16px; line-height: 1; }
.auth-body { background: var(--bg); }
.auth-shell::before { background: radial-gradient(circle,var(--accent-glow),transparent 68%); }
.auth-shell::after { background: radial-gradient(circle,rgba(113,113,122,.1),transparent 68%); }
.auth-panel, .auth-body .setup-panel { border-color: var(--border); background: color-mix(in srgb,var(--surface) 96%,transparent); box-shadow: var(--shadow-lg); }
.auth-footer, .setup-heading, .setup-advanced, .setup-advanced[open] summary { border-color: var(--border); }
.setup-advanced { background: var(--surface-tint); }
.password-control button { background: var(--surface-muted); color: var(--text-strong); }
.auth-theme-toggle { margin-left: auto; }

.theme-toggle { overflow: hidden; }
.theme-icon { display: grid; place-items: center; font-size: 17px; transition: transform .25s ease, opacity .2s ease; }
.theme-icon-sun { display: none; }
html[data-theme="dark"] .theme-icon-sun { display: grid; }
html[data-theme="dark"] .theme-icon-moon { display: none; }

@keyframes dash-enter {
    from { opacity: 0; }
    to { opacity: 1; }
}
@keyframes toast-enter {
    from { opacity: 0; transform: translate3d(28px,-4px,0) scale(.96); }
    to { opacity: 1; transform: translate3d(0,0,0) scale(1); }
}
@keyframes toast-leave {
    to { opacity: 0; transform: translate3d(18px,0,0) scale(.97); }
}
@keyframes toast-progress {
    from { transform: scaleX(1); }
    to { transform: scaleX(0); }
}
@keyframes submenu-enter {
    from { opacity: 0; transform: translateY(-3px); }
    to { opacity: 1; transform: translateY(0); }
}
.workspace-inner > * { animation: dash-enter .34s cubic-bezier(.16,1,.3,1) both; }
.workspace-inner > *:nth-child(2) { animation-delay: 35ms; }
.workspace-inner > *:nth-child(3) { animation-delay: 70ms; }
.nav-group[open] .nav-submenu { animation: submenu-enter .18s ease-out both; }
.form-alert { animation: dash-enter .2s ease-out both; }

.toast-viewport { position: fixed; z-index: 100; top: 82px; right: 18px; width: min(390px,calc(100vw - 28px)); display: grid; gap: 10px; pointer-events: none; }
.toast { position: relative; display: grid; grid-template-columns: 34px minmax(0,1fr) 28px; align-items: start; gap: 11px; overflow: hidden; padding: 14px; border: 1px solid var(--border); border-radius: var(--radius); background: color-mix(in srgb,var(--surface) 96%,transparent); color: var(--text); box-shadow: var(--shadow-lg); backdrop-filter: blur(18px); pointer-events: auto; animation: toast-enter .42s cubic-bezier(.16,1,.3,1) both; }
.toast.is-leaving { animation: toast-leave .2s ease-in both; }
.toast-icon { width: 30px; height: 30px; display: grid; place-items: center; border-radius: 999px; background: #dcfce7; color: #15803d; font-size: 17px; font-weight: 900; }
.toast.is-danger .toast-icon { background: #fee2e2; color: #b91c1c; }
.toast-copy { min-width: 0; padding-top: 1px; }
.toast-title { display: block; color: var(--text-strong); font-size: 13px; font-weight: 750; line-height: 1.35; }
.toast-description { margin: 3px 0 0; color: var(--text-muted); font-size: 12px; line-height: 1.45; }
.toast-close { width: 28px; height: 28px; display: grid; place-items: center; padding: 0; border: 0; border-radius: 7px; background: transparent; color: var(--text-muted); cursor: pointer; transition: background-color .18s ease,color .18s ease,transform .18s ease; }
.toast-close:hover { background: var(--surface-muted); color: var(--text-strong); transform: scale(1.05); }
.toast-progress { position: absolute; right: 0; bottom: 0; left: 0; height: 2px; background: #22c55e; transform-origin: left; animation: toast-progress 4.6s linear both; }
.toast.is-danger .toast-progress { background: #ef4444; }
.button.is-submitting { opacity: .72; cursor: progress; }
.weekday-picker { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 10px; padding: 16px; }
.attendance-page, .attendance-register-page, .attendance-settings-grid { padding-bottom: 5.5rem; }
.attendance-metrics { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.attendance-metrics > div { display: grid; gap: .35rem; padding: 1rem 1.25rem; border-right: 1px solid var(--border); }
.attendance-metrics > div:last-child { border-right: 0; }
.attendance-metrics-expanded > div:nth-child(4n) { border-right: 0; }
.attendance-metrics-expanded > div:nth-child(-n+4) { border-bottom: 1px solid var(--border); }
.attendance-metrics small { color: var(--text-muted); font-size: .7rem; }
.attendance-metrics .status-MET { color: var(--success); }
.attendance-metrics .status-SHORT { color: var(--danger); }
.attendance-metrics .status-PENDING { color: var(--warning); }
.policy-config-section { display: grid; gap: 1rem; padding: 1.25rem; }
.form-hint { padding: .8rem 1rem; border: 1px solid var(--border); border-radius: .75rem; background: var(--surface-muted); color: var(--text-muted); font-size: .8rem; }
.attendance-metrics span { color: var(--text-muted); font-size: .75rem; text-transform: uppercase; letter-spacing: .04em; }
.event-strip { display: flex; flex-wrap: wrap; gap: .5rem; padding: 1rem 1.25rem; }
.event-pill { border: 1px solid var(--border); border-radius: 999px; padding: .45rem .75rem; background: var(--surface-muted); font-size: .8rem; }
.attendance-request-form { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)) auto; gap: .75rem; align-items: end; padding: 1rem 1.25rem; border-bottom: 1px solid var(--border); }
.attendance-request-form label, .inline-filters label { display: grid; gap: .35rem; }
.attendance-request-form label > span, .inline-filters label > span { color: var(--text-muted); font-size: .75rem; font-weight: 700; }
.inline-filters { display: flex; gap: .65rem; align-items: end; }
.decision-form { display: grid; grid-template-columns: minmax(9rem,1fr) auto auto; gap: .4rem; }
.workspace:has(.tabbed-workspace) { overflow: hidden; padding: 0; }
.tabbed-workspace { width: 100%; height: 100%; display: grid; grid-template-rows: auto minmax(0,1fr); min-height: 0; overflow: hidden; padding: 0; background: var(--surface); }
.workspace-tabs { position: relative; z-index: 8; display: flex; gap: 0; min-height: 54px; overflow-x: auto; padding: 0; border: 0; border-bottom: 1px solid var(--border); border-radius: 0; background: var(--surface-muted); scrollbar-width: none; }
.workspace-tabs::-webkit-scrollbar { display: none; }
.workspace-tab { position: relative; flex: 1 0 max-content; min-width: 8.5rem; min-height: 54px; padding: .15rem 1rem 0; border: 0; border-right: 1px solid var(--border); border-radius: 0; background: transparent; color: var(--text-muted); font: inherit; font-size: .84rem; font-weight: 650; text-align: center; cursor: pointer; transition: background-color .2s ease,color .2s ease,transform .2s cubic-bezier(.16,1,.3,1); }
.workspace-tab:last-child { border-right: 0; }
.workspace-tab::after { content: ""; position: absolute; right: 0; bottom: -1px; left: 0; height: 2px; border-radius: 2px 2px 0 0; background: var(--accent); opacity: 0; transform: scaleX(.35); transition: opacity .2s ease,transform .28s cubic-bezier(.16,1,.3,1); }
.workspace-tab:hover { color: var(--text-strong); background: color-mix(in srgb,var(--surface) 55%,var(--surface-muted)); }
.workspace-tab.is-active { color: var(--text-strong); background: var(--surface); font-weight: 750; }
.workspace-tab.is-active::after { opacity: 1; transform: scaleX(1); }
.tabbed-workspace > [data-tab-panel] { min-height: 0; overflow: auto; overscroll-behavior: contain; padding-bottom: calc(86px + env(safe-area-inset-bottom)); border-radius: 0; animation: tab-panel-enter .28s cubic-bezier(.16,1,.3,1) both; }
.js .tabbed-workspace > [data-tab-panel]:not(.is-active) { display: none; }
.tabbed-workspace > [data-tab-panel][hidden] { display: none !important; }
.tabbed-workspace > .panel[data-tab-panel], .tabbed-workspace > .form-panel[data-tab-panel] { margin: 0; border: 0; border-radius: 0; box-shadow: none; }
.tabbed-workspace .form-grid { gap: 0; padding: 0; }
.tabbed-workspace .form-grid > label { padding: 1rem; border-right: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.tabbed-workspace .form-grid > label:nth-child(2n) { border-right: 0; }
.tabbed-workspace .form-grid > .span-2, .tabbed-workspace .form-grid > .field-span { border-right: 0; }
.tabbed-workspace .panel-header .header-actions:empty { display: none; }
.tabbed-workspace .metric-grid, .tabbed-workspace .balance-grid, .tabbed-workspace .quick-actions { gap: 0; padding: 0; border-top: 1px solid var(--border); }
.tabbed-workspace .metric, .tabbed-workspace .metric-card, .tabbed-workspace .quick-action { border: 0; border-right: 1px solid var(--border); border-bottom: 1px solid var(--border); border-radius: 0; background: transparent; box-shadow: none; }
.tabbed-workspace .metric:last-child, .tabbed-workspace .metric-card:last-child, .tabbed-workspace .quick-action:last-child { border-right: 0; }
.tabbed-workspace .quick-action:hover, .tabbed-workspace .metric:hover { background: var(--surface-muted); box-shadow: none; }
.context-action { min-width: min(44vw,34rem); }
@keyframes tab-panel-enter { from { opacity: 0; transform: translateY(5px); } to { opacity: 1; transform: translateY(0); } }
.leave-page, .leave-manage-page, .leave-type-form { padding-bottom: 5.5rem; }
.balance-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(180px,1fr)); gap: .75rem; }
.metric-card { display: grid; gap: .3rem; padding: 1rem 1.25rem; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow-sm); }
.metric-card > span, .metric-card > small { color: var(--text-muted); }
.metric-card > strong { font-size: 1.8rem; color: var(--text-strong); }

.date-field { position: relative; width: 100%; }
.date-display-input { padding-right: 2.9rem; text-transform: none; }
.native-date-input { position: absolute; z-index: 2; top: 0; right: 0; width: 2.75rem; height: 100%; min-height: 0; padding: 0; border: 0; opacity: 0; cursor: pointer; }
.date-picker-icon { position: absolute; z-index: 1; top: 50%; right: .85rem; width: 1rem; height: 1rem; display: grid; place-items: center; color: var(--text-muted); pointer-events: none; transform: translateY(-50%); }
.date-picker-icon svg { width: 1rem; height: 1rem; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.date-field:focus-within .date-picker-icon { color: var(--text-strong); }

@media (prefers-reduced-motion: reduce) {
    .workspace-inner > *, .nav-group[open] .nav-submenu, .form-alert, .toast, .toast.is-leaving, .toast-progress { animation: none; }
}

@media (max-width: 860px) {
    .workspace:has(.data-view) { padding: 0 0 calc(94px + env(safe-area-inset-bottom)); }
    .data-view .list-toolbar > input[type="search"], .data-view .list-toolbar > .status-pills { width: 100%; flex-basis: 100%; }
    .toast-viewport { top: 76px; right: 12px; width: calc(100vw - 24px); }

    .workspace:has(.employee-profile) { padding: 0 0 calc(94px + env(safe-area-inset-bottom)); background-image: none; }
    .employee-profile { gap: 0; background: var(--surface); }
    .employee-profile > .profile-header { display: none; }
    .employee-profile .profile-tabs { gap: 2px; padding: 5px 8px; border: 0; border-bottom: 1px solid var(--border); border-radius: 0; box-shadow: none; }
    .employee-profile .profile-tab { flex: 0 0 auto; padding: 9px 11px; }
    .employee-profile .profile-content { padding: 0 14px 18px; border: 0; border-radius: 0; box-shadow: none; }
    .employee-profile .detail-grid { gap: 0; }
    .employee-profile .detail-grid > div { min-height: 0; grid-template-columns: minmax(105px,.8fr) minmax(0,1.2fr); align-items: center; align-content: initial; gap: 12px; padding: 13px 0; border: 0; border-bottom: 1px solid var(--border); border-radius: 0; background: transparent; }
    .employee-profile .detail-grid > div > span { line-height: 1.35; }
    .employee-profile .detail-grid > div > strong, .employee-profile .detail-grid > div > a { min-width: 0; overflow-wrap: anywhere; text-align: right; }
    .employee-profile .address-card { margin: 0; padding: 13px 0; border: 0; border-bottom: 1px solid var(--border); border-radius: 0; background: transparent; }
    .employee-profile .profile-content > h3 { margin: 20px 0 6px; }
    .employee-profile .empty-state { min-height: 90px; padding: 20px 0; }
    .weekday-picker { grid-template-columns: repeat(2,minmax(0,1fr)); padding: 14px; }
    .attendance-metrics { grid-template-columns: repeat(2,minmax(0,1fr)); }
    .attendance-metrics > div:nth-child(2n) { border-right: 0; }
    .attendance-metrics-expanded > div:nth-child(-n+6) { border-bottom: 1px solid var(--border); }
    .attendance-request-form { grid-template-columns: 1fr 1fr; padding: .75rem; }
    .attendance-request-form .span-2, .attendance-request-form button { grid-column: 1 / -1; }
    .inline-filters { display: grid; grid-template-columns: 1fr 1fr; width: 100%; }
    .inline-filters button { grid-column: 1 / -1; }
    .decision-form { grid-template-columns: 1fr 1fr; }
    .decision-form input { grid-column: 1 / -1; }
    .tabbed-workspace { padding: 0; }
    .workspace-tabs { gap: 0; margin: 0; padding: 0; border-right: 0; border-left: 0; border-radius: 0; }
    .workspace-tab { min-height: 52px; }
    .tabbed-workspace > .panel[data-tab-panel], .tabbed-workspace > .form-panel[data-tab-panel] { border-right: 0; border-left: 0; border-radius: 0; box-shadow: none; }
    .tabbed-workspace > [data-tab-panel] { padding-bottom: calc(80px + env(safe-area-inset-bottom)); }
    .tabbed-workspace .form-grid > label { padding: .9rem 1rem; border-right: 0; }
    .context-action { min-width: 0; }
    .tabbed-workspace .metric, .tabbed-workspace .metric-card, .tabbed-workspace .quick-action { border-right: 0; }
}