:root {
  --bg: #f5f6f8; --surface: #fff; --surface-2: #f0f2f5; --text: #1b1f24; --muted: #5d6673; --line: #dde1e6;
  --accent: #2a78d6; --accent-ink: #fff; --danger: #c43434; --warn: #9a6200; --warn-bg: #fff4dc; --ok: #1f7a43; --ok-bg: #e5f5ea;
  --danger-bg: #fdeaea; --radius: 10px; --side: 232px;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121418; --surface: #1b1e24; --surface-2: #242830; --text: #e8eaee; --muted: #a0a8b4; --line: #333843;
    --accent: #3987e5; --danger: #ef6b6b; --warn: #f0b850; --warn-bg: #3a2e14; --ok: #5ccb8a; --ok-bg: #173323; --danger-bg: #3b1d1d;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text); font-size: 15px; line-height: 1.45; }
a { color: var(--accent); }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* Khung */
.shell { display: grid; grid-template-columns: var(--side) 1fr; min-height: 100vh; }
.side { background: var(--surface); border-right: 1px solid var(--line); padding: 16px 10px; position: sticky; top: 0; height: 100vh; overflow: auto; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; padding: 4px 8px 16px; }
.brand b { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 8px; background: var(--accent); color: #fff; font-size: 12px; }
.nav a { display: flex; align-items: center; gap: 10px; padding: 9px 10px; border-radius: 8px; color: var(--text); text-decoration: none; }
.nav a:hover { background: var(--surface-2); }
.nav a[aria-current="page"] { background: color-mix(in srgb, var(--accent) 14%, transparent); color: var(--accent); font-weight: 600; }
.nav .sep { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; padding: 14px 10px 4px; }
.who { margin-top: 18px; padding: 10px; border-top: 1px solid var(--line); font-size: 13px; color: var(--muted); }
.main { padding: 20px 24px 60px; min-width: 0; }
.top { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; flex-wrap: wrap; }
.top h1 { font-size: 22px; margin: 0; flex: 1; min-width: 200px; }
.btn.menu-btn { display: none; }

/* Thành phần */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; }
.card + .card { margin-top: 14px; }
.btn { display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--line); background: var(--surface); padding: 8px 14px; border-radius: 8px; cursor: pointer; text-decoration: none; color: var(--text); min-height: 38px; }
.btn:hover { background: var(--surface-2); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); font-weight: 600; }
.btn.primary:hover { filter: brightness(1.05); }
.btn.small { padding: 4px 10px; min-height: 30px; font-size: 13px; }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.filters { display: flex; flex-wrap: wrap; gap: 10px; align-items: end; margin-bottom: 14px; }
.field { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.field > span { font-size: 13px; color: var(--muted); }
.field input, .field select, .field textarea { border: 1px solid var(--line); background: var(--surface); border-radius: 8px; padding: 8px 10px; min-height: 38px; width: 100%; }
.field textarea { min-height: 70px; resize: vertical; }
.req::after { content: " *"; color: var(--danger); }
.grid { display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }
.grid .wide { grid-column: 1 / -1; }
fieldset { border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 14px 14px; margin: 0 0 14px; }
legend { font-weight: 600; padding: 0 6px; }
.items-row { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr auto; gap: 8px; align-items: end; margin-bottom: 8px; }
.note { font-size: 13px; color: var(--muted); }
.alert { padding: 10px 12px; border-radius: 8px; margin: 8px 0; font-size: 14px; }
.alert.warn { background: var(--warn-bg); color: var(--warn); }
.alert.danger { background: var(--danger-bg); color: var(--danger); }
.alert.ok { background: var(--ok-bg); color: var(--ok); }

/* Bảng */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
table { border-collapse: collapse; width: 100%; font-size: 14px; }
th, td { padding: 9px 10px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; white-space: nowrap; }
th { font-size: 12px; text-transform: uppercase; letter-spacing: .03em; color: var(--muted); background: var(--surface-2); position: sticky; top: 0; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
td.wrap { white-space: normal; min-width: 160px; }
tbody tr:hover { background: var(--surface-2); }
tbody tr[data-href] { cursor: pointer; }
.empty { padding: 30px; text-align: center; color: var(--muted); }
.muted { color: var(--muted); }
.chip { display: inline-block; font-size: 12px; padding: 2px 8px; border-radius: 99px; background: var(--surface-2); border: 1px solid var(--line); margin: 1px 2px 1px 0; }
.chip.ok { background: var(--ok-bg); color: var(--ok); border-color: transparent; }
.chip.warn { background: var(--warn-bg); color: var(--warn); border-color: transparent; }
.chip.danger { background: var(--danger-bg); color: var(--danger); border-color: transparent; }
.pager { display: flex; gap: 8px; align-items: center; justify-content: flex-end; margin-top: 10px; font-size: 14px; }
.tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 12px; }
.tabs button { border: 1px solid var(--line); background: var(--surface); padding: 6px 12px; border-radius: 99px; cursor: pointer; }
.tabs button[aria-pressed="true"] { background: var(--accent); color: #fff; border-color: var(--accent); }
dl.kv { display: grid; grid-template-columns: max-content 1fr; gap: 6px 16px; margin: 0; }
dl.kv dt { color: var(--muted); }
dl.kv dd { margin: 0; }

/* Đăng nhập */
.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login form { width: 100%; max-width: 360px; display: grid; gap: 12px; }
.login h1 { font-size: 20px; margin: 0 0 4px; }

#toast { position: fixed; left: 50%; bottom: 20px; transform: translateX(-50%); background: var(--text); color: var(--bg); padding: 10px 16px; border-radius: 8px; opacity: 0; pointer-events: none; transition: opacity .2s; max-width: calc(100% - 32px); z-index: 50; }
#toast.show { opacity: 1; }

@media (max-width: 860px) {
  .shell { grid-template-columns: 1fr; }
  .side { position: fixed; inset: 0 auto 0 0; width: 260px; z-index: 40; transform: translateX(-100%); transition: transform .2s; box-shadow: 0 0 40px rgba(0,0,0,.25); }
  .shell.open .side { transform: none; }
  .btn.menu-btn { display: inline-flex; }
  .main { padding: 14px 16px 60px; }
  .items-row { grid-template-columns: 1fr 1fr 1fr; }
  .items-row .mh { grid-column: 1 / -1; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }

/* ---------- Trang in theo mẫu công ty ---------- */
.print-bar { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; padding: 12px 16px; background: var(--surface); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 5; }
.paper { background: #fff; color: #111; width: 100%; max-width: 210mm; margin: 16px auto; padding: 14mm 14mm 18mm; box-shadow: 0 2px 16px rgba(0,0,0,.12); font-family: "Times New Roman", Times, serif; font-size: 13.5px; line-height: 1.4; }
.paper .ph-head { display: flex; gap: 14px; align-items: center; }
.paper .ph-logo { width: 96px; height: auto; }
.paper .ph-logo.small { width: 78px; }
.paper .ph-co { display: flex; flex-direction: column; flex: 1; text-align: left; }
.paper .ph-co .big { font-size: 16px; }
.paper .ph-mau { display: flex; flex-direction: column; width: 34%; font-size: 12px; }
.paper .ph-title { text-align: center; font-size: 19px; margin: 16px 0 2px; letter-spacing: .02em; }
.paper .ph-so { text-align: center; margin-bottom: 10px; }
.paper .ph-info { border-collapse: collapse; margin: 6px 0 10px; width: 100%; }
.paper .ph-info th { text-align: left; width: 140px; padding: 3px 0; font-weight: 700; white-space: nowrap; background: none; color: #111; text-transform: none; font-size: 13.5px; letter-spacing: 0; position: static; border: 0; }
.paper .ph-info td { padding: 3px 0; font-weight: 700; border: 0; white-space: normal; }
.paper .ph-grid { border-collapse: collapse; width: calc(100% - 2px); table-layout: fixed; margin: 8px 0; }
.paper .ph-grid th, .paper .ph-grid td { border: 1px solid #333; padding: 5px 6px; white-space: normal; font-size: 13px; vertical-align: middle; }
.paper .ph-grid th { background: #fff; color: #111; text-align: center; position: static; letter-spacing: 0; font-size: 12.5px; }
.paper .ph-grid .c { text-align: center; } .paper .ph-grid .r { text-align: right; font-variant-numeric: tabular-nums; }
.paper .ph-total td { background: #d9ead3; }
.paper tbody tr:hover { background: transparent; }
.paper .ph-date { text-align: right; font-style: italic; margin: 10px 0; }
.paper .ph-note, .paper .ph-line { margin: 4px 0; }
.paper .ph-sign { display: grid; grid-template-columns: 1fr 1fr; text-align: center; margin-top: 18px; min-height: 90px; }
.paper .ph-sign span { font-size: 12px; font-style: italic; }
@media print {
  @page { size: A4; margin: 10mm; }
  html, body { background: #fff !important; }
  .no-print, #toast { display: none !important; }
  .paper { box-shadow: none; margin: 0; padding: 0; max-width: none; }
}
@media (max-width: 600px) { .paper { padding: 16px 12px; font-size: 12.5px; } .paper .ph-head { flex-wrap: wrap; } .paper .ph-mau { width: 100%; } }

/* ---------- Điều vận ---------- */
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 10px; margin-bottom: 14px; }
.tiles .card + .card { margin-top: 0; }
.tile { padding: 12px 14px; }
.tile-v { font-size: 26px; font-weight: 700; font-variant-numeric: tabular-nums; }
.tile.bad .tile-v { color: var(--danger); } .tile.warn .tile-v { color: var(--warn); }
.h2 { font-size: 16px; margin: 0 0 10px; }
.group { padding: 12px; }
.group-head { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; margin-bottom: 8px; }
.pick-all { display: flex; gap: 8px; align-items: center; font-size: 16px; }
.group td { white-space: normal; }
.trip-chips { display: flex; gap: 8px; flex-wrap: wrap; }
.trip-chip { border: 1px solid var(--line); border-radius: 8px; padding: 8px 12px; text-decoration: none; color: var(--text); background: var(--surface-2); font-size: 14px; }
.dock { position: sticky; bottom: 12px; z-index: 20; display: flex; gap: 10px; align-items: center; flex-wrap: wrap; background: var(--surface); border: 1px solid var(--accent); border-radius: 12px; padding: 10px 14px; box-shadow: 0 6px 24px rgba(0,0,0,.18); margin-top: 12px; }
.dock select { border: 1px solid var(--line); border-radius: 8px; padding: 8px; min-height: 38px; background: var(--surface); }
dialog { border: 0; border-radius: 12px; padding: 0; max-width: min(720px, calc(100% - 24px)); background: var(--surface); color: var(--text); }
dialog::backdrop { background: rgba(0,0,0,.4); }
.dlg { padding: 18px; }
input[type=checkbox] { width: 20px; height: 20px; }
.dock[hidden] { display: none; }
@media (max-width: 700px) {
  .group .table-wrap { overflow: visible; border: 0; }
  .group table, .group tbody, .group tr, .group td { display: block; width: 100%; }
  .group tr { position: relative; border: 1px solid var(--line); border-radius: 10px; padding: 8px 10px 8px 40px; margin-bottom: 8px; }
  .group td { border: 0; padding: 2px 0; }
  .group td:first-child { position: absolute; left: 10px; top: 10px; width: auto; }
  .group td:last-child .btn { width: 100%; justify-content: center; margin-top: 6px; min-height: 44px; }
}

/* ---------- Kế toán ---------- */
details.ngan > summary { cursor: pointer; list-style: none; display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
details.ngan > summary::-webkit-details-marker { display: none; }
details.ngan > summary::before { content: "▸"; color: var(--muted); }
details.ngan[open] > summary::before { content: "▾"; }
details.ngan[open] > summary { margin-bottom: 10px; }
.grp { margin: 10px 0 14px; }
.grp-h { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-bottom: 6px; }
.thumbs { display: flex; gap: 8px; flex-wrap: wrap; }
.thumbs img { width: 110px; height: 110px; object-fit: cover; border-radius: 8px; border: 1px solid var(--line); }
.iform { margin-top: 10px; }
#todau .tiles { margin-bottom: 12px; }

/* ---------- Việc hôm nay ---------- */
.viec-list { display: grid; gap: 8px; }
.viec-list .card + .card { margin-top: 0; }
a.viec { display: grid; grid-template-columns: auto 1fr auto; gap: 12px; align-items: center; text-decoration: none; color: inherit; padding: 12px 14px; border-left: 4px solid var(--line); }
a.viec:hover { background: var(--surface-2); }
a.viec.do { border-left-color: var(--danger); }
a.viec.vang { border-left-color: var(--warn); }
.viec-t { display: flex; flex-direction: column; min-width: 0; }
.viec-n { font-size: 24px; font-weight: 700; font-variant-numeric: tabular-nums; }
a.viec.do .viec-n { color: var(--danger); }
@media (max-width: 560px) { a.viec { grid-template-columns: 1fr auto; } a.viec .chip { grid-column: 1 / -1; justify-self: start; } }

/* ---------- Tổng quan ---------- */
.dash { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(340px, 100%), 1fr)); gap: 14px; }
.dash > * { min-width: 0; }
.dash .card + .card { margin-top: 0; }
.dash .wide { grid-column: 1 / -1; }
@media (max-width: 400px) { .dash { grid-template-columns: 1fr; } }
svg.chart { width: 100%; height: auto; display: block; }
svg.chart .bar { fill: var(--accent); }
svg.chart .bar.neg { fill: var(--danger); }
svg.chart .bar:hover { opacity: .8; }
svg.chart .axis { stroke: var(--line); stroke-width: 1; }
svg.chart .ax { fill: var(--muted); font-size: 11px; }
.hb { display: grid; gap: 8px; }
.hb-row { display: grid; grid-template-columns: minmax(110px, 38%) 1fr; gap: 4px 10px; align-items: center; font-size: 14px; }
.hb-l { overflow: hidden; text-overflow: ellipsis; }
.hb-t { background: var(--surface-2); border-radius: 6px; height: 14px; overflow: hidden; }
.hb-b { background: var(--accent); height: 100%; border-radius: 6px; position: relative; min-width: 2px; }
.hb-r { background: var(--danger); height: 100%; border-radius: 6px 0 0 6px; }
.hb-v { grid-column: 2; font-variant-numeric: tabular-nums; font-size: 13px; }
.tile.skel { min-height: 92px; background: linear-gradient(90deg, var(--surface) 0%, var(--surface-2) 50%, var(--surface) 100%); }