/* BE Project — giao diện ưu tiên điện thoại. Màu xanh công trình + vàng băng cảnh báo. */
:root {
  color-scheme: light;
  --ground: #EEF2F4; --surface: #FFFFFF; --sunk: #F3F5F7; --line: #D5DCE1;
  --ink: #16222B; --ink2: #4E5E69; --ink3: #7C8A94;
  --accent: #0F5A6B; --accent-ink: #FFFFFF; --accent-soft: #DCEBEE;
  --tape: #E8B10C; --tape-soft: #FBF1D0; --tape-ink: #7A5A00;
  --ok: #23835A; --ok-soft: #DDF1E7; --bad: #C23B32; --bad-soft: #F8DEDB;
  --f-body: "Be Vietnam Pro", system-ui, -apple-system, "Segoe UI", sans-serif;
  --f-disp: "Barlow Condensed", "Arial Narrow", system-ui, sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, Menlo, monospace;
  --radius: 12px;
}
@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --ground: #0D1418; --surface: #152028; --sunk: #1B2831; --line: #27363F;
    --ink: #E6EDF1; --ink2: #A7B6BF; --ink3: #7B8B94;
    --accent: #4FB3C6; --accent-ink: #06222A; --accent-soft: #16343C;
    --tape: #F0C23A; --tape-soft: #3A3113; --tape-ink: #F3D47A;
    --ok: #4CC08A; --ok-soft: #133226; --bad: #EE6F66; --bad-soft: #3C1A18;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--ground); color: var(--ink); font: 15px/1.5 var(--f-body);
  padding-bottom: calc(72px + env(safe-area-inset-bottom, 0px));
  -webkit-text-size-adjust: 100%;
}
a { color: var(--accent); }
[hidden] { display: none !important; }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 3px solid var(--tape); outline-offset: 2px; }

.demo-bar { background: var(--tape); color: #3A2A00; font-size: 12px; font-weight: 600; text-align: center; padding: 4px 12px; }

/* Thanh trên */
header.top {
  position: sticky; top: 0; z-index: 5; background: var(--accent); color: var(--accent-ink);
  display: flex; align-items: center; gap: 10px;
  padding: calc(10px + env(safe-area-inset-top, 0px)) 16px 12px;
}
.titles { flex: 1; min-width: 0; }
.titles h1 { font: 700 21px/1.1 var(--f-disp); letter-spacing: .01em; margin: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.titles span { display: block; font-size: 12px; opacity: .85; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.back { background: rgba(255,255,255,.14); border: 0; color: inherit; width: 36px; height: 36px; border-radius: 10px; font-size: 24px; line-height: 1; cursor: pointer; flex: none; }
.me { position: relative; }
.me summary { list-style: none; cursor: pointer; }
.me summary::-webkit-details-marker { display: none; }
.avatar { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: var(--tape); color: #3A2A00; font: 700 14px var(--f-disp); }
.me-menu { position: absolute; right: 0; top: 42px; background: var(--surface); color: var(--ink); border: 1px solid var(--line); border-radius: 10px; padding: 12px; display: grid; gap: 8px; min-width: 200px; box-shadow: 0 8px 24px rgba(0,0,0,.18); }

main { max-width: 640px; margin: 0 auto; padding: 16px; display: flex; flex-direction: column; gap: 14px; }

/* Thanh điều hướng dưới */
.nav {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 6; background: var(--surface); border-top: 1px solid var(--line);
  display: grid; grid-template-columns: repeat(4, 1fr); padding: 6px 8px calc(6px + env(safe-area-inset-bottom, 0px));
}
.nav a { display: flex; flex-direction: column; align-items: center; gap: 2px; font-size: 11.5px; font-weight: 600; color: var(--ink3); text-decoration: none; padding: 4px 0; border-radius: 8px; }
.nav svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.nav a[aria-current="page"] { color: var(--accent); }

/* Khối chung */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; display: flex; flex-direction: column; gap: 8px; }
.stack { display: flex; flex-direction: column; gap: 10px; }
.row-between { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; }
.row-end { display: flex; justify-content: flex-end; gap: 8px; }
.grow { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.tiny { font-size: 12.5px; color: var(--ink3); }
.mono { font-family: var(--f-mono); font-size: 12px; }
.lab { font-size: 11px; letter-spacing: .07em; text-transform: uppercase; color: var(--ink3); font-weight: 600; }
.path { font-family: var(--f-mono); font-size: 12px; background: var(--sunk); border-radius: 8px; padding: 8px 10px; color: var(--ink2); word-break: break-word; }
.link { font-weight: 600; font-size: 14px; }
.warn-text { color: var(--tape-ink); }
.bad-text { color: var(--bad); }
.pad { padding: 10px 14px; margin: 0; }
p { margin: 0; }
.sec-title { font: 600 13px var(--f-disp); letter-spacing: .12em; text-transform: uppercase; color: var(--ink3); margin: 8px 0 -4px; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; border: 1px solid var(--line); background: var(--surface); font-weight: 600; padding: 10px 14px; border-radius: 10px; cursor: pointer; text-decoration: none; color: var(--ink); min-height: 42px; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.small { padding: 5px 10px; min-height: 32px; font-size: 13px; }
.btn.block { width: 100%; }
.btn:disabled { opacity: .5; cursor: default; }

.pill { display: inline-flex; align-items: center; font-size: 11.5px; font-weight: 600; padding: 2px 9px; border-radius: 99px; white-space: nowrap; }
.pill.ok { background: var(--ok-soft); color: var(--ok); }
.pill.bad { background: var(--bad-soft); color: var(--bad); }
.pill.tape { background: var(--tape-soft); color: var(--tape-ink); }
.pill.muted { background: var(--sunk); color: var(--ink2); }

.bar { height: 8px; background: var(--sunk); border-radius: 99px; overflow: hidden; }
.bar.thin { height: 4px; }
.bar i { display: block; height: 100%; background: var(--accent); border-radius: 99px; transition: width .3s; }
.bar i.money { background: var(--tape); }
.bar i.time { background: var(--ink3); }

.loading { display: flex; gap: 10px; align-items: center; justify-content: center; padding: 48px 0; color: var(--ink2); }
.spin { width: 18px; height: 18px; border: 2.5px solid var(--line); border-top-color: var(--accent); border-radius: 50%; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.empty { text-align: center; align-items: center; padding: 28px 16px; }
.error-card, .warn-card { border-color: var(--tape); background: var(--tape-soft); }

.toast { position: fixed; left: 50%; bottom: calc(84px + env(safe-area-inset-bottom, 0px)); transform: translateX(-50%); background: var(--ink); color: var(--surface); padding: 10px 16px; border-radius: 10px; font-weight: 600; font-size: 13.5px; z-index: 20; max-width: calc(100% - 32px); box-shadow: 0 6px 20px rgba(0,0,0,.25); }
.toast.error { background: var(--bad); color: #fff; }

/* Danh sách công trình */
.proj { text-decoration: none; color: inherit; }
.proj-top { display: flex; justify-content: space-between; gap: 8px; }
.code { font: 700 13px var(--f-mono); color: var(--accent); }
.proj-name { font: 700 22px/1.15 var(--f-disp); }
.proj-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; align-items: end; margin-top: 4px; }
.proj-stats .pill { grid-column: 1 / -1; justify-self: start; }
.mini { display: grid; grid-template-columns: 1fr auto; gap: 2px 8px; font-size: 12.5px; color: var(--ink2); }
.mini b { font: 700 18px var(--f-disp); color: var(--ink); }
.mini .bar { grid-column: 1 / -1; }

/* Tab trong công trình */
.tabs { display: flex; gap: 6px; overflow-x: auto; scrollbar-width: none; }
.tabs a { flex: none; padding: 7px 14px; border-radius: 99px; border: 1px solid var(--line); background: var(--surface); color: var(--ink2); text-decoration: none; font-weight: 600; font-size: 13.5px; }
.tabs a[aria-current="page"] { background: var(--ink); border-color: var(--ink); color: var(--surface); }
#tab { display: flex; flex-direction: column; gap: 12px; }

/* Bucket & task */
.bucket { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.bucket summary { display: grid; grid-template-columns: 1fr auto; gap: 6px 10px; padding: 12px 14px; cursor: pointer; list-style: none; }
.bucket summary::-webkit-details-marker { display: none; }
.b-name { font: 700 16px/1.2 var(--f-disp); letter-spacing: .02em; }
.b-count { font: 600 14px var(--f-disp); color: var(--ink3); }
.bucket summary .bar { grid-column: 1 / -1; }
.tasks { border-top: 1px solid var(--line); }
.task { display: flex; align-items: center; gap: 10px; padding: 11px 14px; border-top: 1px solid var(--line); text-decoration: none; color: var(--ink); }
.task:first-child { border-top: 0; }
.task .t-title { flex: 1; min-width: 0; }
.task.done .t-title { color: var(--ink3); }
.chk { width: 20px; height: 20px; border-radius: 50%; border: 1.8px solid var(--ink3); flex: none; display: grid; place-items: center; font-size: 12px; font-weight: 700; }
.task.done .chk { background: var(--ok); border-color: var(--ok); color: #fff; }
.chev { color: var(--ink3); font-size: 20px; line-height: 1; }

.item { display: flex; align-items: center; gap: 12px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 14px; color: var(--ink); text-decoration: none; }
.item .ic { flex: none; width: 38px; height: 38px; border-radius: 9px; display: grid; place-items: center; background: var(--tape-soft); color: var(--tape-ink); font: 700 14px var(--f-disp); }

/* Tiến độ & chi phí */
.kpis { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.kpi { gap: 2px; }
.kpi .num { font: 700 26px/1.1 var(--f-disp); font-variant-numeric: tabular-nums; }
.kpi .num small { font-size: 14px; color: var(--ink2); }
.kpi.hl { border-color: var(--tape); background: var(--tape-soft); }
.meter { display: flex; flex-direction: column; gap: 4px; padding-top: 6px; }
.meter b { font: 700 18px var(--f-disp); }
.pay { text-align: left; cursor: pointer; font: inherit; color: inherit; }
.amt { font: 700 18px var(--f-disp); font-variant-numeric: tabular-nums; }
.hist-row { display: flex; gap: 8px; align-items: center; font-size: 14px; padding-top: 4px; }

/* Form nhập */
.form label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; font-weight: 600; color: var(--ink2); }
.form label.check { flex-direction: row; align-items: center; gap: 8px; font-weight: 500; color: var(--ink); }
input:not([type=checkbox]):not([type=file]), select, textarea { width: 100%; border: 1px solid var(--line); border-radius: 9px; padding: 9px 11px; background: var(--surface); font-weight: 400; font-size: 15px; min-height: 42px; }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
@media (max-width: 420px) { .two { grid-template-columns: 1fr; } }
.select-form { display: flex; flex-direction: column; gap: 4px; font-size: 13px; font-weight: 600; color: var(--ink2); margin-top: 4px; }
.drop { display: grid; place-items: center; border: 1.5px dashed var(--ink3); border-radius: 10px; padding: 18px; background: var(--sunk); color: var(--ink2); font-weight: 600; cursor: pointer; }
.drop input, .addph input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.drop:focus-within, .addph:focus-within { outline: 3px solid var(--tape); }
.files { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; font-size: 14px; }
.files li { display: flex; gap: 8px; align-items: baseline; word-break: break-word; }
.fi { flex: none; font: 600 10px var(--f-mono); background: var(--sunk); color: var(--ink2); border-radius: 4px; padding: 1px 5px; }
.log { background: var(--sunk); border-radius: 8px; padding: 10px; font: 12px var(--f-mono); white-space: pre-wrap; margin: 0; }

/* Checklist nghiệm thu */
.sec-head { position: sticky; top: calc(62px + env(safe-area-inset-top, 0px)); background: var(--surface); z-index: 2; padding-block: 4px; margin-top: -4px; }
.ck { border-top: 1px solid var(--line); padding: 12px 0 4px; display: flex; flex-direction: column; gap: 8px; }
.ck.failed { background: linear-gradient(90deg, var(--bad-soft), transparent 70%); margin-inline: -14px; padding-inline: 14px; }
.q { display: flex; gap: 10px; }
.q .no { flex: none; width: 22px; height: 22px; border-radius: 50%; background: var(--accent-soft); color: var(--accent); font: 700 12px var(--f-disp); display: grid; place-items: center; margin-top: 1px; }
.job { display: block; font-size: 12px; color: var(--ink3); font-weight: 600; }
.seg { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }
.seg button { border: 1px solid var(--line); background: var(--sunk); color: var(--ink2); padding: 9px 4px; border-radius: 9px; font-weight: 600; font-size: 14px; cursor: pointer; min-height: 42px; }
.seg button[aria-pressed="true"][data-v="dat"] { background: var(--ok); border-color: var(--ok); color: #fff; }
.seg button[aria-pressed="true"][data-v="khong"] { background: var(--bad); border-color: var(--bad); color: #fff; }
.seg button[aria-pressed="true"][data-v="na"] { background: var(--ink2); border-color: var(--ink2); color: var(--surface); }
.ph-row, .photos { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.ph { position: relative; margin: 0; width: 72px; }
.ph img { width: 72px; height: 72px; object-fit: cover; border-radius: 8px; border: 1px solid var(--line); display: block; }
.ph figcaption { font-size: 10.5px; color: var(--ink3); text-align: center; }
.ph .rm { position: absolute; top: -6px; right: -6px; width: 24px; height: 24px; border-radius: 50%; border: 0; background: var(--ink); color: var(--surface); cursor: pointer; font-size: 15px; line-height: 1; }
.addph { position: relative; display: grid; place-items: center; width: 72px; height: 72px; border: 1.5px dashed var(--ink3); border-radius: 8px; background: var(--sunk); color: var(--ink2); font-size: 12.5px; font-weight: 600; cursor: pointer; text-align: center; }
.addph.small { width: auto; height: 32px; padding: 0 10px; }
.verdict { font-weight: 700; padding: 8px 10px; border-radius: 8px; }
.verdict.ok { background: var(--ok-soft); color: var(--ok); }
.verdict.bad { background: var(--bad-soft); color: var(--bad); }
.savebar { position: sticky; bottom: calc(70px + env(safe-area-inset-bottom, 0px)); z-index: 3; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 10px 12px; display: flex; gap: 12px; align-items: center; box-shadow: 0 6px 20px rgba(16,34,43,.12); }
.done-card { border-color: var(--ok); }
ol.lib { margin: 0; padding-left: 22px; display: grid; gap: 6px; font-size: 14px; }

@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }
.card > .pill { align-self: flex-start; }

/* Tài liệu */
.chips { display: flex; gap: 8px; overflow-x: auto; scrollbar-width: none; padding-bottom: 2px; }
.chip { flex: none; border: 1px solid var(--line); background: var(--surface); color: var(--ink2); padding: 7px 13px; border-radius: 99px; font-size: 13.5px; font-weight: 500; cursor: pointer; }
.chip[aria-pressed="true"] { background: var(--ink); border-color: var(--ink); color: var(--surface); }
.item.doc { width: 100%; text-align: left; cursor: pointer; font: inherit; }
.doc-name { overflow-wrap: anywhere; }
.item .ic.pdf { background: var(--bad-soft); color: var(--bad); }
.item .ic.doc { background: var(--accent-soft); color: var(--accent); }
.item .ic.xls { background: var(--ok-soft); color: var(--ok); }
.item .ic.ppt, .item .ic.dwg, .item .ic.img, .item .ic.other { background: var(--sunk); color: var(--ink2); }

/* Quản trị */
.admin-card { border-color: var(--tape); }
.btn.danger { color: var(--bad); border-color: var(--bad-soft); }
.item.is-hidden { opacity: .6; border-style: dashed; }
.ed-sec { gap: 10px; }
.ed-row { display: flex; gap: 8px; align-items: center; }
.ed-row input { font-weight: 600; }
.ed-item { display: grid; grid-template-columns: 22px 1fr auto; gap: 8px; align-items: start; border-top: 1px solid var(--line); padding-top: 10px; }
.ed-item .no { width: 22px; height: 22px; border-radius: 50%; background: var(--accent-soft); color: var(--accent); font: 700 12px var(--f-disp); display: grid; place-items: center; margin-top: 10px; }
.ed-fields { display: grid; gap: 6px; min-width: 0; }
.ed-fields .two { gap: 6px; }
.ed-fields input { min-height: 38px; padding: 7px 9px; font-size: 14px; }
.ed-tools { display: grid; gap: 4px; }
.ed-tools button { width: 32px; height: 30px; border: 1px solid var(--line); background: var(--sunk); border-radius: 7px; cursor: pointer; font-size: 14px; color: var(--ink2); }
.ed-tools button:disabled { opacity: .35; cursor: default; }
.ed-f { display: grid; grid-template-columns: 74px 1fr; align-items: center; gap: 6px; }
.ed-f span { font-size: 11.5px; font-weight: 600; color: var(--ink3); }
.ed-f.main input { font-weight: 600; }

/* Trạng thái mạng & hàng chờ gửi */
.net-bar { position: sticky; top: calc(58px + env(safe-area-inset-top, 0px)); z-index: 4; display: flex; flex-direction: column; gap: 4px;
  background: var(--tape-soft); color: var(--tape-ink); font-size: 13px; padding: 7px 16px; border-bottom: 1px solid var(--tape); }
.net-bar.off { background: var(--ink); color: var(--surface); border-color: var(--ink); }
.net-bar span { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.net-bar .btn.small { min-height: 28px; padding: 3px 10px; }
.done-card.queued { border-color: var(--tape); }

/* Mục Nghiệm thu: trạng thái chuyển bước */
.gate { border-width: 1.5px; }
.gate.pass { border-color: var(--ok); }
.gate.fail { border-color: var(--bad); background: linear-gradient(180deg, var(--bad-soft), var(--surface) 60%); }
.pill.big { font-size: 13.5px; padding: 4px 12px; }
.gate-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; font-size: 14px; }
.gate-list li { display: flex; gap: 8px; align-items: baseline; flex-wrap: wrap; }
.nt-form .pill { flex: none; }
.bucket .stack.pad { padding: 10px; }
.done-card.failed { border-color: var(--bad); }