:root {
    --primary: #1A237E;
    --accent: #00BCD4;
    --bg: #F5F7FB;
    --text: #1A1D2E;
    --muted: #6B7280;
    --card: #FFFFFF;
    --danger: #E53935;
    --line: #E5E7EB;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: var(--bg);
    color: var(--text);
}

.offline-banner {
    position: sticky;
    top: 0;
    z-index: 30;
    background: #FFF8EE;
    border-bottom: 1px solid #F8D9A5;
    color: #B06A00;
    padding: 8px 12px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    font-size: 12px;
    font-weight: 600;
}

.offline-banner button {
    width: auto;
    margin: 0;
    background: #fff;
    color: #B06A00;
    border: 1px solid #F8D9A5;
    border-radius: 8px;
    padding: 6px 10px;
    font-size: 12px;
}

.screen {
    display: none;
    min-height: 100dvh;
}

.screen.active {
    display: block;
}

.login-shell {
    min-height: 100dvh;
    display: grid;
    place-items: center;
    padding: 24px;
    background: linear-gradient(135deg, #0D1B6E 0%, #1A237E 65%, #3F51B5 100%);
}

.login-brand {
    text-align: center;
    color: #fff;
    margin-bottom: 20px;
}

.logo-mark {
    width: 72px;
    height: 72px;
    border-radius: 16px;
    display: grid;
    place-items: center;
    background: #fff;
    color: var(--primary);
    margin: 0 auto 12px;
    font-size: 28px;
    font-weight: 700;
}

.card {
    width: min(420px, 100%);
    background: var(--card);
    border-radius: 16px;
    padding: 18px;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
}

label {
    display: block;
    margin: 10px 0 6px;
    font-size: 13px;
    font-weight: 600;
}

input,
select,
button {
    width: 100%;
    border-radius: 10px;
    border: 1px solid var(--line);
    padding: 12px;
    font: inherit;
}

button {
    margin-top: 14px;
    cursor: pointer;
    border: 0;
    color: #fff;
    background: var(--primary);
    font-weight: 600;
}

button.ghost {
    width: auto;
    background: transparent;
    color: var(--primary);
    border: 1px solid var(--primary);
    margin: 0;
    padding: 8px 12px;
}

button.danger {
    background: var(--danger);
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 5;
    background: #fff;
    border-bottom: 1px solid var(--line);
    padding: 14px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.topbar h2 {
    margin: 0;
    font-size: 18px;
}

.content {
    padding: 14px 14px 86px;
}

.panel {
    background: #fff;
    border-radius: 14px;
    border: 1px solid var(--line);
    padding: 14px;
    margin-bottom: 12px;
}

.panel h3,
.panel h4 {
    margin: 0 0 8px;
}

.summary-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    margin-top: 10px;
}

.summary-item {
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 8px;
    background: #FAFBFF;
}

.summary-item span {
    display: block;
    font-size: 11px;
    color: var(--muted);
}

.summary-item strong {
    font-size: 14px;
}

.work-metrics {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
    margin-top: 8px;
}

.metric {
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 8px;
    background: #fff;
}

.metric span {
    display: block;
    font-size: 11px;
    color: var(--muted);
}

.metric strong {
    font-size: 12px;
}

.attendance-subtabs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-bottom: 10px;
}

.attendance-subtab-btn {
    margin: 0;
    background: #fff;
    color: var(--muted);
    border: 1px solid var(--line);
    font-size: 13px;
    padding: 10px;
}

.attendance-subtab-btn.active {
    border-color: var(--primary);
    color: var(--primary);
    font-weight: 700;
    background: #F4F6FF;
}

.attendance-subtab {
    display: none;
}

.attendance-subtab.active {
    display: block;
}

.next-action-strip {
    margin-bottom: 10px;
    border: 1px solid #CFEAD5;
    background: #F3FBF6;
    border-radius: 10px;
    padding: 8px 10px;
    font-size: 13px;
    font-weight: 700;
    color: #1E7E34;
}

.next-action-strip.warning {
    border-color: #F8D9A5;
    background: #FFF8EE;
    color: #B06A00;
}

.next-action-strip.info {
    border-color: #CFE4FF;
    background: #F2F7FF;
    color: #2456A6;
}

.next-action-strip.danger {
    border-color: #F7C7C4;
    background: #FFF2F1;
    color: #B42318;
}

.qr-reader {
    width: 100%;
    min-height: 220px;
    border: 1px dashed var(--line);
    border-radius: 12px;
    overflow: hidden;
    background: #FAFBFF;
}

.scan-actions {
    display: flex;
    gap: 8px;
    margin-top: 10px;
}

.scan-actions button {
    margin-top: 0;
}

.history-date {
    font-size: 12px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 4px;
}

.history-row {
    display: block;
    font-size: 13px;
}

.history-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.history-meta {
    margin-top: 6px;
    color: var(--muted);
    font-size: 12px;
}

.status-chip {
    display: inline-block;
    border-radius: 999px;
    padding: 3px 8px;
    font-size: 11px;
    font-weight: 700;
    border: 1px solid transparent;
}

.status-chip.working {
    color: #1E7E34;
    background: #F3FBF6;
    border-color: #CFEAD5;
}

.status-chip.break {
    color: #B06A00;
    background: #FFF8EE;
    border-color: #F8D9A5;
}

.status-chip.complete {
    color: #2456A6;
    background: #F2F7FF;
    border-color: #CFE4FF;
}

.status-chip.flagged {
    color: #B42318;
    background: #FFF2F1;
    border-color: #F7C7C4;
}

.sub {
    color: var(--muted);
    font-size: 13px;
}

.list {
    margin: 0;
    padding: 0;
    list-style: none;
}

.list li {
    border-bottom: 1px solid var(--line);
    padding: 10px 0;
    font-size: 14px;
}

.timeline-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.timeline-type {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-weight: 600;
    font-size: 13px;
}

.timeline-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #64748B;
}

.timeline-type.check_in .timeline-dot { background: #16A34A; }
.timeline-type.break_start .timeline-dot { background: #D97706; }
.timeline-type.break_end .timeline-dot { background: #2563EB; }
.timeline-type.check_out .timeline-dot { background: #DC2626; }

.timeline-time {
    font-size: 12px;
    color: var(--muted);
}

.timeline-flag {
    margin-top: 4px;
    font-size: 11px;
    color: #B06A00;
}

.list li:last-child {
    border-bottom: 0;
}

.tab {
    display: none;
}

.tab.active {
    display: block;
}

.bottom-nav {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    background: #fff;
    border-top: 1px solid var(--line);
    display: grid;
    grid-template-columns: repeat(4, 1fr);
}

.nav-btn {
    background: transparent;
    border: 0;
    color: var(--muted);
    border-radius: 0;
    margin: 0;
    padding: 12px 4px;
    font-size: 12px;
}

.nav-btn.active {
    color: var(--primary);
    font-weight: 700;
}

.login-flash-banner {
    width: min(400px, 100%);
    margin: 0 auto 16px;
    padding: 12px 14px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.95);
    color: var(--text);
    font-size: 14px;
    line-height: 1.4;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
}

.login-flash-banner--error {
    background: #FFEBEE;
    color: #B71C1C;
    border: 1px solid #FFCDD2;
}

.admin-login-hint {
    display: none;
    text-align: center;
    margin-top: 20px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.88);
}

.admin-login-hint a {
    color: #fff;
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 2px;
}

@media (min-width: 768px) {
    .admin-login-hint {
        display: block;
    }
}

.error {
    color: var(--danger);
    margin: 10px 0 0;
    font-size: 13px;
}

.hidden {
    display: none !important;
}

.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    display: grid;
    place-items: center;
    z-index: 20;
    padding: 16px;
}

.modal-card {
    width: min(420px, 100%);
    background: #fff;
    border-radius: 14px;
    padding: 16px;
}

.modal-card.success {
    border: 1px solid #CFEAD5;
}

.modal-card.warning {
    border: 1px solid #F8D9A5;
}

.modal-card h4 {
    margin: 0 0 8px;
}

.modal-actions {
    display: flex;
    gap: 8px;
    margin-top: 12px;
}

.modal-actions button {
    margin: 0;
}

.kv {
    margin: 0;
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
}

.kv dt {
    color: var(--muted);
    font-size: 12px;
}

.kv dd {
    margin: 0;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--line);
}