:root {
    --bg: #f4f6fa; --panel: #ffffff; --text: #1d2939; --muted: #667085; --line: #e4e7ec;
    --accent: #2563eb; --accent-soft: #eff4ff; --ok: #12b76a; --warn: #f79009; --danger: #f04438; --yellow: #eab308;
    --nav: #101828; --nav-text: #d0d5dd;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 14px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); text-decoration: none; }
h1 { font-size: 22px; margin: 0 0 4px; }
h2 { font-size: 16px; margin: 0 0 12px; }
.muted { color: var(--muted); }
.small { font-size: 12px; }

.shell { display: flex; min-height: 100vh; }
.sidebar { width: 240px; flex-shrink: 0; background: var(--nav); color: var(--nav-text); padding: 18px 12px; position: sticky; top: 0; height: 100vh; overflow-y: auto; }
.brand { color: #fff; font-weight: 800; font-size: 17px; padding: 0 10px 16px; display: block; }
.nav-group { margin-top: 14px; padding: 0 10px 4px; font-size: 10px; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; color: #98a2b3; }
.sidebar a.nav-link { display: flex; justify-content: space-between; align-items: center; color: var(--nav-text); padding: 8px 10px; border-radius: 8px; font-weight: 600; }
.sidebar a.nav-link:hover, .sidebar a.nav-link.active { background: #1d2939; color: #fff; }
.nav-badge { background: var(--danger); color: #fff; border-radius: 999px; padding: 0 7px; font-size: 11px; font-weight: 800; }
.main { flex: 1; min-width: 0; }
.topbar { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 12px 24px; background: var(--panel); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 10; }
.topbar-right { display: flex; align-items: center; gap: 14px; }
.menu-toggle { display: none; background: none; border: 1px solid var(--line); border-radius: 8px; padding: 6px 10px; font-size: 16px; cursor: pointer; }
.bell { position: relative; font-size: 20px; color: var(--text); }
.bell .count { position: absolute; top: -6px; right: -10px; background: var(--danger); color: #fff; border-radius: 999px; font-size: 10px; font-weight: 800; padding: 0 5px; }
.content { padding: 24px; max-width: 1280px; }
.page-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; margin-bottom: 18px; flex-wrap: wrap; }

.card { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 18px; margin-bottom: 18px; }
.grid { display: grid; gap: 18px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.stat { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; }
.stat span { display: block; color: var(--muted); font-size: 11px; font-weight: 800; text-transform: uppercase; letter-spacing: .04em; }
.stat strong { font-size: 24px; }

.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; }
.field { display: flex; flex-direction: column; gap: 5px; }
.field.full { grid-column: 1 / -1; }
label, .label { font-size: 12px; font-weight: 700; color: #344054; }
input[type=text], input[type=email], input[type=password], input[type=number], input[type=date], input[type=datetime-local], input[type=file], input[type=search], select, textarea {
    width: 100%; padding: 9px 11px; border: 1px solid #d0d5dd; border-radius: 8px; font: inherit; background: #fff; color: var(--text);
}
textarea { min-height: 80px; resize: vertical; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(37, 99, 235, .12); }
.check { display: flex; align-items: center; gap: 8px; font-weight: 600; font-size: 13px; }
.error-text { color: var(--danger); font-size: 12px; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 9px 14px; border-radius: 8px; border: 1px solid transparent; background: var(--accent); color: #fff; font: inherit; font-weight: 700; cursor: pointer; white-space: nowrap; }
.btn:hover { filter: brightness(.95); }
.btn.secondary { background: #fff; color: var(--text); border-color: #d0d5dd; }
.btn.danger { background: var(--danger); }
.btn.ok { background: var(--ok); }
.btn.sm { padding: 5px 10px; font-size: 12px; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th { text-align: left; font-size: 11px; text-transform: uppercase; letter-spacing: .03em; color: var(--muted); padding: 10px 12px; border-bottom: 1px solid var(--line); white-space: nowrap; }
td { padding: 11px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
tr:last-child td { border-bottom: 0; }

.badge { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: 11px; font-weight: 800; background: #f2f4f7; color: #344054; white-space: nowrap; }
.badge.pending { background: #fffaeb; color: #b54708; }
.badge.approved, .badge.success, .badge.completed { background: #ecfdf3; color: #027a48; }
.badge.rejected, .badge.danger { background: #fef3f2; color: #b42318; }
.badge.info { background: var(--accent-soft); color: var(--accent); }
.urgency { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: 6px; vertical-align: middle; }
.urgency.green { background: var(--ok); } .urgency.yellow { background: var(--yellow); } .urgency.orange { background: var(--warn); } .urgency.red { background: var(--danger); } .urgency.done { background: #98a2b3; }
.task-row.red td:first-child { box-shadow: inset 3px 0 var(--danger); }
.task-row.orange td:first-child { box-shadow: inset 3px 0 var(--warn); }

.alert { padding: 12px 14px; border-radius: 10px; margin-bottom: 16px; border: 1px solid; }
.alert.success { background: #ecfdf3; border-color: #abefc6; color: #067647; }
.alert.error { background: #fef3f2; border-color: #fecdca; color: #b42318; }
.alert.warn { background: #fffaeb; border-color: #fedf89; color: #b54708; }
.progress { height: 8px; background: #eaecf0; border-radius: 999px; overflow: hidden; }
.progress > div { height: 100%; background: var(--ok); }
.list-plain { list-style: none; margin: 0; padding: 0; }
.list-plain li { padding: 9px 0; border-bottom: 1px solid var(--line); }
.list-plain li:last-child { border-bottom: 0; }
dl.details { display: grid; grid-template-columns: 170px 1fr; gap: 8px 14px; margin: 0; }
dl.details dt { color: var(--muted); font-weight: 600; }
dl.details dd { margin: 0; }
.pagination { display: flex; gap: 6px; flex-wrap: wrap; margin: 14px 0 0; padding: 0; list-style: none; }
.pagination li > a, .pagination li > span { display: block; padding: 5px 10px; border: 1px solid var(--line); border-radius: 6px; background: #fff; }
.pagination li.active > span { background: var(--accent); color: #fff; border-color: var(--accent); }
.pagination li.disabled > span { color: #98a2b3; }
.login-wrap { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login-card { width: 100%; max-width: 380px; }
.inline-form { display: inline; }
.kid-row { display: grid; grid-template-columns: 1fr 160px auto; gap: 8px; margin-bottom: 8px; }

/* Phone-only pieces stay out of the desktop layout. */
.tabbar, .mobile-only, .sidebar-account, .drawer-backdrop { display: none; }
.notify-prompt { width: 100%; margin-bottom: 14px; padding: 12px 14px; border: 1px dashed var(--accent); border-radius: 12px; background: var(--accent-soft); color: var(--accent); font: inherit; font-weight: 700; text-align: left; cursor: pointer; }
[hidden] { display: none !important; }

@media (max-width: 900px) {
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
    /* Stat tiles sit side by side like an app's summary row. */
    .grid-3:has(> .stat) { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
    .grid-4:has(> .stat) { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
    .stat { padding: 12px; }
    .stat span { font-size: 10px; }
    .stat strong { font-size: 20px; }

    .sidebar { position: fixed; left: -290px; width: 280px; z-index: 40; transition: left .2s; display: flex; flex-direction: column; padding-bottom: calc(18px + env(safe-area-inset-bottom)); }
    .sidebar.open { left: 0; box-shadow: 0 0 40px rgba(16, 24, 40, .35); }
    .drawer-backdrop { display: block; position: fixed; inset: 0; z-index: 35; background: rgba(16, 24, 40, .45); }
    .sidebar-account { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-top: auto; padding: 14px 10px 0; border-top: 1px solid #1d2939; color: #fff; }
    .sidebar-account .small { color: #98a2b3; }

    .menu-toggle { display: inline-block; }
    .desktop-only { display: none !important; }
    .mobile-only { display: block; }
    .topbar { padding: 10px 14px; padding-top: calc(10px + env(safe-area-inset-top)); }
    .topbar-title { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 17px; }
    .content { padding: 14px; padding-bottom: calc(86px + env(safe-area-inset-bottom)); }
    .page-head h1 { font-size: 20px; }
    .card { padding: 14px; border-radius: 14px; }

    /* Bottom tab bar, like an installed app. */
    .tabbar { display: flex; position: fixed; left: 0; right: 0; bottom: 0; z-index: 30; background: var(--panel); border-top: 1px solid var(--line); padding: 6px 4px calc(6px + env(safe-area-inset-bottom)); box-shadow: 0 -4px 16px rgba(16, 24, 40, .06); }
    .tabbar a, .tabbar button { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 2px; padding: 4px 0; background: none; border: 0; color: var(--muted); font: inherit; font-size: 11px; font-weight: 700; cursor: pointer; }
    .tabbar svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }
    .tabbar .active { color: var(--accent); }
    .tabbar .tab-primary svg { width: 44px; height: 44px; margin-top: -20px; padding: 10px; border-radius: 50%; background: var(--accent); color: #fff; stroke-width: 2.4; box-shadow: 0 6px 16px rgba(37, 99, 235, .4); }
    .tabbar .tab-primary { color: var(--accent); }
    .install-banner { bottom: calc(72px + env(safe-area-inset-bottom)); }

    /* Tables become a list of cards; JS copies each column name onto its cell. */
    .table-wrap table, .table-wrap tbody, .table-wrap tr, .table-wrap td { display: block; width: 100%; }
    .table-wrap thead { display: none; }
    .table-wrap tr { padding: 10px 0; border-bottom: 1px solid var(--line); }
    .table-wrap tr:last-child { border-bottom: 0; }
    /* Label floats left, the value (one or more lines) sits on the right. */
    .table-wrap td { padding: 3px 0; border: 0; text-align: right; }
    .table-wrap td::after { content: ""; display: table; clear: both; }
    .table-wrap td[data-label]::before { content: attr(data-label); float: left; margin-right: 12px; color: var(--muted); font-size: 11px; font-weight: 800; text-transform: uppercase; letter-spacing: .03em; text-align: left; padding-top: 2px; }
    .table-wrap td .progress { margin-left: auto; max-width: 160px; }
    /* The first cell is the card's title. */
    .table-wrap td:first-child { display: block; text-align: left; font-size: 15px; padding-bottom: 6px; }
    .table-wrap td:first-child::before { display: none; }
    .table-wrap td:empty, .table-wrap td[data-label=""] { display: none; }
    .table-wrap td:not([data-label]):not(:first-child) { text-align: left; padding-top: 6px; }
    .task-row.red td:first-child, .task-row.orange td:first-child { box-shadow: none; }
    .task-row.red { box-shadow: inset 3px 0 var(--danger); padding-left: 10px; }
    .task-row.orange { box-shadow: inset 3px 0 var(--warn); padding-left: 10px; }

    /* 16px stops iPhone zooming into fields; bigger tap targets. */
    input[type=text], input[type=email], input[type=password], input[type=number], input[type=date], input[type=datetime-local], input[type=search], select, textarea { font-size: 16px; padding: 11px 12px; }
    .btn { padding: 11px 16px; }
    .btn.sm { padding: 7px 12px; font-size: 13px; }
    .page-head > .btn, .page-head > .actions { width: 100%; }
    .page-head > .btn, .page-head > .actions > .btn, .page-head > .actions > form, .page-head > .actions > form > .btn { flex: 1; }

    dl.details { grid-template-columns: 1fr; }
    .kid-row { grid-template-columns: 1fr; }
}

.install-banner { position: fixed; left: 12px; right: 12px; bottom: 12px; z-index: 50; display: flex; align-items: center; gap: 12px; max-width: 520px; margin: 0 auto; padding: 12px 14px; background: var(--panel); border: 1px solid var(--line); border-radius: 14px; box-shadow: 0 12px 32px rgba(16, 24, 40, .18); }
.install-banner[hidden] { display: none; }
.install-banner img { border-radius: 10px; flex-shrink: 0; }
.install-text { display: flex; flex-direction: column; flex: 1; min-width: 0; font-size: 13px; }
.install-close { background: none; border: 0; font-size: 22px; line-height: 1; color: var(--muted); cursor: pointer; padding: 4px; }