/* ============================================================
   SiteTrack — ระบบติดตามงานผู้รับเหมา
   Shared design system (light + dark, responsive)
   ============================================================ */
:root {
  --bg: #f6f5f3;
  --surface: #ffffff;
  --surface-2: #efedea;
  --ink: #1c1a17;
  --ink-2: #55504a;
  --ink-3: #8a837a;
  --line: #e2ded8;
  --line-2: #d3cec6;
  --accent: #ea580c;
  --accent-soft: #fdecdf;
  --st-done: #16a34a; --st-done-bg: #e4f4e8;
  --st-prog: #2563eb; --st-prog-bg: #e5edfd;
  --st-late: #d97706; --st-late-bg: #fbeecf;
  --st-prob: #dc2626; --st-prob-bg: #fbe4e4;
  --line-green: #06c755;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(28,26,23,.05), 0 8px 24px rgba(28,26,23,.06);
  --shadow-lg: 0 12px 40px rgba(28,26,23,.14);
  --sans: system-ui, -apple-system, "Segoe UI", "Leelawadee UI", "Noto Sans Thai", "Sarabun", Tahoma, sans-serif;
  --mono: "SF Mono", "Cascadia Code", ui-monospace, monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #17150f; --surface: #211e18; --surface-2: #2b2720;
    --ink: #f3efe8; --ink-2: #beb7ab; --ink-3: #8b8377;
    --line: #363028; --line-2: #453e33;
    --accent: #fb7a3c; --accent-soft: #3a2416;
    --st-done: #4ade80; --st-done-bg: #16351f;
    --st-prog: #7aa5ff; --st-prog-bg: #1a2740;
    --st-late: #fbbf47; --st-late-bg: #3a2c10;
    --st-prob: #f87171; --st-prob-bg: #3a1c1c;
  }
}
:root[data-theme="dark"] {
  --bg: #17150f; --surface: #211e18; --surface-2: #2b2720;
  --ink: #f3efe8; --ink-2: #beb7ab; --ink-3: #8b8377;
  --line: #363028; --line-2: #453e33;
  --accent: #fb7a3c; --accent-soft: #3a2416;
  --st-done: #4ade80; --st-done-bg: #16351f;
  --st-prog: #7aa5ff; --st-prog-bg: #1a2740;
  --st-late: #fbbf47; --st-late-bg: #3a2c10;
  --st-prob: #f87171; --st-prob-bg: #3a1c1c;
}
:root[data-theme="light"] {
  --bg: #f6f5f3; --surface: #ffffff; --surface-2: #efedea;
  --ink: #1c1a17; --ink-2: #55504a; --ink-3: #8a837a;
  --line: #e2ded8; --line-2: #d3cec6;
  --accent: #ea580c; --accent-soft: #fdecdf;
  --st-done: #16a34a; --st-done-bg: #e4f4e8;
  --st-prog: #2563eb; --st-prog-bg: #e5edfd;
  --st-late: #d97706; --st-late-bg: #fbeecf;
  --st-prob: #dc2626; --st-prob-bg: #fbe4e4;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
button { font-family: inherit; cursor: pointer; }

/* ---- utility ---- */
.tabular { font-variant-numeric: tabular-nums; }
.muted { color: var(--ink-3); }
.hidden { display: none !important; }

/* ---- status pills ---- */
.status { display: inline-flex; align-items: center; gap: 5px; font-size: 12px; font-weight: 700;
  padding: 3px 9px; border-radius: 999px; white-space: nowrap; }
.status .d { width: 6px; height: 6px; border-radius: 50%; }
.s-done { background: var(--st-done-bg); color: var(--st-done); } .s-done .d { background: var(--st-done); }
.s-prog { background: var(--st-prog-bg); color: var(--st-prog); } .s-prog .d { background: var(--st-prog); }
.s-late { background: var(--st-late-bg); color: var(--st-late); } .s-late .d { background: var(--st-late); }
.s-prob { background: var(--st-prob-bg); color: var(--st-prob); } .s-prob .d { background: var(--st-prob); }

/* ---- buttons ---- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  font-weight: 700; font-size: 14px; border-radius: 10px; padding: 12px 16px; border: 1px solid transparent; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-danger  { background: var(--st-prob); color: #fff; }
.btn-line    { background: var(--line-green); color: #fff; }
.btn-ghost   { background: var(--surface); border-color: var(--line-2); color: var(--ink); }
.btn-block { width: 100%; }
.btn:active { transform: translateY(1px); }

/* ---- bars ---- */
.bar { height: 8px; border-radius: 999px; background: var(--surface-2); overflow: hidden; }
.bar > i { display: block; height: 100%; border-radius: 999px; }

/* ---- theme toggle ---- */
.theme-toggle {
  background: var(--surface); border: 1px solid var(--line-2); color: var(--ink-2);
  border-radius: 999px; width: 38px; height: 38px; font-size: 16px; display: grid; place-items: center;
}

/* ---- toast ---- */
.toast-wrap { position: fixed; left: 50%; bottom: 26px; transform: translateX(-50%); z-index: 999;
  display: flex; flex-direction: column; gap: 8px; align-items: center; }
.toast { background: var(--ink); color: var(--bg); padding: 12px 18px; border-radius: 10px;
  font-size: 14px; font-weight: 600; box-shadow: var(--shadow-lg); display: flex; align-items: center; gap: 9px;
  animation: toast-in .25s ease; max-width: 90vw; }
.toast.ok { background: var(--st-done); color: #fff; }
.toast.warn { background: var(--st-prob); color: #fff; }
@keyframes toast-in { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .toast { animation: none; } }

/* ============================================================
   DASHBOARD (desktop, responsive)
   ============================================================ */
.dash { display: grid; grid-template-columns: 210px 1fr; min-height: 100vh; }
.side { background: var(--surface-2); border-right: 1px solid var(--line); padding: 18px 12px;
  position: sticky; top: 0; height: 100vh; }
.brand { display: flex; align-items: center; gap: 9px; font-weight: 800; font-size: 16px; padding: 0 8px 18px; }
.brand .logo { width: 30px; height: 30px; border-radius: 8px; background: var(--accent);
  display: grid; place-items: center; color: #fff; font-weight: 900; }
.nav-i { display: flex; align-items: center; gap: 10px; padding: 10px; border-radius: 8px;
  color: var(--ink-2); font-weight: 600; font-size: 14px; margin-bottom: 2px; text-decoration: none; }
.nav-i.active { background: var(--accent); color: #fff; }
.nav-i .ic { width: 18px; text-align: center; }
.side .role-switch { margin-top: auto; }

.main { padding: 22px clamp(16px, 3vw, 30px); max-width: 1200px; }
.topline { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; gap: 12px; flex-wrap: wrap; }
.topline h1 { margin: 0; font-size: clamp(20px, 3vw, 26px); font-weight: 800; letter-spacing: -.01em; }
.topline .sub { color: var(--ink-3); font-size: 13.5px; }
.topline .right { display: flex; align-items: center; gap: 10px; }
.avatar { width: 34px; height: 34px; border-radius: 50%; background: var(--st-prog); color: #fff;
  display: grid; place-items: center; font-weight: 700; font-size: 13px; flex: 0 0 auto; }

.kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 18px; }
.kpi { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 16px; }
.kpi .lab { font-size: 12px; color: var(--ink-3); font-weight: 600; }
.kpi .val { font-size: 28px; font-weight: 800; letter-spacing: -.02em; margin-top: 4px; }
.kpi .val small { font-size: 14px; color: var(--ink-3); font-weight: 600; }
.kpi .trend { font-size: 12px; font-weight: 700; margin-top: 3px; }
.up { color: var(--st-done); } .down { color: var(--st-prob); }

.grid-2 { display: grid; grid-template-columns: 1.5fr 1fr; gap: 16px; }
.panel { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 18px; margin-bottom: 16px; }
.panel .ph { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; }
.panel .ph b { font-size: 15px; }
.panel .ph a { color: var(--accent); font-size: 12.5px; font-weight: 700; text-decoration: none; }

.prow { margin-bottom: 14px; cursor: default; }
.prow .l { display: flex; justify-content: space-between; font-size: 13.5px; margin-bottom: 5px; }
.prow .l b { font-weight: 600; }
.prow .l span { color: var(--ink-3); }

.issue-row { display: flex; justify-content: space-between; align-items: center; gap: 8px; padding: 9px 0;
  border-bottom: 1px dashed var(--line); }
.issue-row:last-child { border-bottom: 0; }
.issue-row .t { font-size: 13px; }
.issue-row .t b { font-weight: 700; }
.issue-row .t small { display: block; color: var(--ink-3); font-size: 11.5px; }

.feed .fi { display: flex; gap: 10px; padding: 9px 0; border-bottom: 1px dashed var(--line); }
.feed .fi:last-child { border-bottom: 0; }
.feed .fi .ava { width: 28px; height: 28px; border-radius: 50%; flex: 0 0 28px; display: grid; place-items: center;
  color: #fff; font-size: 11px; font-weight: 700; }
.feed .fi .tx { font-size: 13px; color: var(--ink-2); }
.feed .fi .tx b { color: var(--ink); }
.feed .fi .tm { font-size: 11px; color: var(--ink-3); margin-top: 2px; }

.chart { display: flex; align-items: flex-end; gap: 10px; height: 130px; padding-top: 8px; }
.chart .col { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 6px; height: 100%; justify-content: flex-end; }
.chart .col .stk { width: 62%; border-radius: 5px 5px 0 0; overflow: hidden; display: flex; flex-direction: column-reverse; }
.chart .col small { font-size: 11px; color: var(--ink-3); }

@media (max-width: 900px) { .kpis { grid-template-columns: repeat(2, 1fr); } .grid-2 { grid-template-columns: 1fr; } }
@media (max-width: 720px) {
  .dash { grid-template-columns: 1fr; }
  .side { position: static; height: auto; display: flex; align-items: center; gap: 6px; overflow-x: auto; padding: 10px; }
  .side .brand { padding: 0 8px 0 4px; }
  .side .nav-i { white-space: nowrap; margin: 0; padding: 8px 12px; }
  .side .nav-i span:not(.ic) { display: none; }
  .side .role-switch { margin: 0; }
}

/* ============================================================
   MOBILE APP (contractor)
   ============================================================ */
.app-shell { max-width: 440px; margin: 0 auto; min-height: 100vh; background: var(--surface);
  display: flex; flex-direction: column; box-shadow: var(--shadow-lg); }
.app-head { padding: 16px 18px 14px; border-bottom: 1px solid var(--line);
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  position: sticky; top: 0; background: var(--surface); z-index: 10; }
.app-head .ttl { font-weight: 800; font-size: 18px; }
.app-head .ttl small { display: block; font-size: 12px; color: var(--ink-3); font-weight: 500; }
.app-head .back { background: none; border: 0; font-size: 22px; color: var(--ink-2); padding: 0 4px 0 0; }
.app-body { padding: 16px 16px 90px; flex: 1; }
.p-label { font-size: 11px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
  color: var(--ink-3); margin: 4px 0 10px; }

.task { background: var(--surface); border: 1px solid var(--line); border-left: 4px solid var(--line-2);
  border-radius: 11px; padding: 13px 14px; margin-bottom: 11px; box-shadow: var(--shadow); width: 100%; text-align: left; }
.task.b-prog { border-left-color: var(--st-prog); }
.task.b-late { border-left-color: var(--st-late); }
.task.b-done { border-left-color: var(--st-done); }
.task.b-prob { border-left-color: var(--st-prob); }
.task .tt { display: flex; justify-content: space-between; align-items: flex-start; gap: 8px; }
.task .tt b { font-size: 14.5px; font-weight: 700; }
.task .meta { font-size: 12px; color: var(--ink-3); margin-top: 6px; display: flex; gap: 10px; flex-wrap: wrap; }
.task .pbar { height: 6px; border-radius: 999px; background: var(--surface-2); overflow: hidden; margin-top: 10px; }
.task .pbar > i { display: block; height: 100%; }

.field { margin-bottom: 14px; }
.field .fl { font-size: 12.5px; font-weight: 700; color: var(--ink-2); margin-bottom: 6px; display: block; }
.field input, .field textarea, .field select {
  width: 100%; background: var(--surface-2); border: 1px solid var(--line); border-radius: 10px;
  padding: 11px 13px; font-size: 14px; color: var(--ink); font-family: inherit; }
.field textarea { min-height: 80px; resize: vertical; }
.field input[type="range"] { padding: 0; background: transparent; }

.seg { display: flex; gap: 8px; }
.seg .s { flex: 1; text-align: center; font-size: 13px; font-weight: 700; padding: 10px 4px; border-radius: 9px;
  border: 1px solid var(--line); background: var(--surface-2); color: var(--ink-2); }
.seg .s.on { background: var(--accent); color: #fff; border-color: var(--accent); }
.seg .s.on-prob { background: var(--st-prob); color: #fff; border-color: var(--st-prob); }

.photos { display: flex; gap: 8px; flex-wrap: wrap; }
.photos .ph2 { width: 72px; height: 72px; border-radius: 10px; background: var(--surface-2);
  border: 1px dashed var(--line-2); display: grid; place-items: center; color: var(--ink-3); font-size: 22px; }
.photos .ph2.filled { background: linear-gradient(135deg, var(--st-prog-bg), var(--accent-soft)); border-style: solid; }

.big-pct { font-size: 30px; font-weight: 800; color: var(--accent); text-align: center; letter-spacing: -.02em; }

.tabbar { position: sticky; bottom: 0; display: flex; border-top: 1px solid var(--line);
  background: var(--surface); width: 100%; }
.tabbar .tb { flex: 1; text-align: center; padding: 9px 0 11px; font-size: 10.5px; font-weight: 700;
  color: var(--ink-3); background: none; border: 0; }
.tabbar .tb .i { font-size: 19px; display: block; margin-bottom: 1px; }
.tabbar .tb.on { color: var(--accent); }

.empty { text-align: center; color: var(--ink-3); padding: 40px 20px; font-size: 14px; }

/* ============================================================
   PM view extras: action rows, assign form, modal, project detail
   ============================================================ */
.act-row { border: 1px solid var(--line); border-radius: 11px; padding: 13px 14px; margin-bottom: 11px; background: var(--surface); }
.act-row .top { display: flex; justify-content: space-between; align-items: flex-start; gap: 8px; }
.act-row .top b { font-size: 14.5px; }
.act-row .sub { font-size: 12px; color: var(--ink-3); margin-top: 3px; }
.act-row .detail { font-size: 13px; color: var(--ink-2); margin-top: 8px; background: var(--surface-2);
  border-radius: 8px; padding: 9px 11px; }
.act-row .acts { display: flex; gap: 8px; margin-top: 11px; }
.act-row .acts .btn { padding: 8px 14px; font-size: 13px; flex: 0 0 auto; }

.form-grid { display: grid; gap: 12px; }
.form-grid .field { margin: 0; }

.table { width: 100%; border-collapse: collapse; font-size: 13px; }
.table th { text-align: left; color: var(--ink-3); font-weight: 600; font-size: 12px; padding: 8px 10px;
  border-bottom: 1px solid var(--line); }
.table td { padding: 10px; border-bottom: 1px solid var(--line); }
.table tr:last-child td { border-bottom: 0; }
.table .tw { overflow-x: auto; }

.modal-bg { position: fixed; inset: 0; background: rgba(20,18,14,.55); display: grid; place-items: center;
  z-index: 500; padding: 20px; }
.modal { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 22px;
  width: 100%; max-width: 440px; box-shadow: var(--shadow-lg); }
.modal h3 { margin: 0 0 4px; font-size: 18px; }
.modal .msub { color: var(--ink-3); font-size: 13px; margin-bottom: 16px; }
.modal .mfoot { display: flex; gap: 10px; margin-top: 6px; }

.detail-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 14px; flex-wrap: wrap;
  margin-bottom: 18px; }
.detail-head .big { font-size: 40px; font-weight: 800; letter-spacing: -.03em; }