:root {
  --bg: #F7F5F0; --surface: #FFFFFF; --muted: #EFECE5; --ink: #10283F; --ink2: #5B6878; --ink3: #8A95A3;
  --line: #E3E0D8; --primary: #0877E8; --primary-soft: #E5F0FD; --amber: #B86E00; --amber-soft: #FCF0DA;
  --red: #C8372D; --red-soft: #FBE6E3; --green: #2E7D4F; --green-soft: #E3F2E8; --navy: #10283F;
  --radius: 16px; --radius-lg: 22px; --shadow: 0 1px 2px rgba(16,40,63,.05), 0 6px 20px rgba(16,40,63,.05);
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0A131E; --surface: #132030; --muted: #1A2839; --ink: #EEF2F7; --ink2: #9AA8B8; --ink3: #6F7E90;
    --line: #24344A; --primary: #4DA3FF; --primary-soft: #14304F; --amber: #F2B544; --amber-soft: #3A2C12;
    --red: #FF6B5E; --red-soft: #3D1B1A; --green: #5CCB8A; --green-soft: #163324; --shadow: none;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--ink); }
body { font: 16px/1.45 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; -webkit-font-smoothing: antialiased; }
button, input, select, textarea { font: inherit; color: inherit; }
svg { width: 20px; height: 20px; flex: none; }
.chev { width: 16px; height: 16px; }
a { color: var(--primary); }
h1 { font-size: 28px; line-height: 1.15; margin: 0 0 4px; letter-spacing: -.01em; }
h2 { font-size: 20px; margin: 0; }
h3 { font-size: 17px; margin: 0; }
p { margin: 0; }
.boot { min-height: 100vh; display: grid; place-content: center; justify-items: center; gap: 12px; color: var(--ink2); }

/* Shell */
.shell { display: grid; grid-template-columns: 248px 1fr; min-height: 100vh; }
.side { position: sticky; top: 0; height: 100vh; padding: 20px 14px; border-right: 1px solid var(--line); display: flex; flex-direction: column; gap: 4px; }
.brand { display: flex; align-items: center; gap: 10px; padding: 4px 10px 18px; font-weight: 700; letter-spacing: .06em; font-size: 13px; }
.brand img { width: 28px; height: 28px; }
.nav { display: flex; align-items: center; gap: 12px; padding: 10px 12px; border-radius: 12px; color: var(--ink); text-decoration: none; font-weight: 500; }
.nav:hover { background: var(--muted); }
.nav.on { background: var(--primary-soft); color: var(--primary); font-weight: 600; }
.nav .badge { margin-left: auto; }
.nav svg { width: 20px; height: 20px; flex: none; }
.side .who { margin-top: auto; padding: 12px; font-size: 13px; color: var(--ink2); }
main { padding: 28px clamp(16px, 4vw, 40px) 120px; max-width: 1100px; width: 100%; }
.tabs { display: none; }
@media (max-width: 820px) {
  .shell { grid-template-columns: 1fr; }
  .side { display: none; }
  main { padding: 20px 16px 110px; }
  .tabs { display: flex; position: fixed; left: 10px; right: 10px; bottom: max(10px, env(safe-area-inset-bottom)); background: color-mix(in srgb, var(--surface) 92%, transparent);
    backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border: 1px solid var(--line); border-radius: 26px; padding: 6px; box-shadow: 0 8px 30px rgba(0,0,0,.12); z-index: 20; }
  .tabs a { flex: 1; display: grid; justify-items: center; gap: 2px; padding: 6px 2px; border-radius: 20px; text-decoration: none; color: var(--ink); font-size: 11px; font-weight: 600; }
  .tabs a.on { background: var(--primary-soft); color: var(--primary); }
  .tabs svg { width: 22px; height: 22px; }
}

/* Building blocks */
.head { display: flex; align-items: flex-end; gap: 12px; margin-bottom: 20px; flex-wrap: wrap; }
.head .grow { flex: 1; min-width: 200px; }
.sub { color: var(--ink2); }
.small { font-size: 13px; }
.overline { font-size: 12px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--ink2); margin: 26px 4px 10px; display: flex; align-items: center; gap: 8px; }
.overline .grow { flex: 1; }
.card { background: var(--surface); border-radius: var(--radius-lg); box-shadow: var(--shadow); border: 1px solid color-mix(in srgb, var(--line) 50%, transparent); }
.list > * + * { border-top: 1px solid var(--line); }
.row { display: flex; align-items: center; gap: 14px; padding: 14px 16px; text-decoration: none; color: inherit; min-height: 60px; width: 100%; background: none; border: 0; text-align: left; cursor: default; }
a.row, button.row { cursor: pointer; }
a.row:hover, button.row:hover { background: color-mix(in srgb, var(--muted) 55%, transparent); }
.list > .row:first-child { border-radius: var(--radius-lg) var(--radius-lg) 0 0; }
.list > .row:last-child { border-radius: 0 0 var(--radius-lg) var(--radius-lg); }
.list > .row:only-child { border-radius: var(--radius-lg); }
.row .text { flex: 1; min-width: 0; }
.row .title { font-weight: 600; }
.row .detail { color: var(--ink2); font-size: 14px; }
.row .cite { color: var(--ink3); font-size: 12px; font-weight: 600; margin-top: 2px; }
.chev { color: var(--ink3); flex: none; }
.tile { width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; flex: none; background: var(--muted); color: var(--ink); font-weight: 700; }
.tile svg { width: 20px; height: 20px; }
.avatar { width: 40px; height: 40px; border-radius: 50%; background: linear-gradient(160deg, #1d4f8c, var(--navy)); color: #fff; display: grid; place-items: center; font-weight: 700; font-size: 14px; flex: none; }
.avatar.big { width: 56px; height: 56px; font-size: 20px; }
.pill { display: inline-flex; align-items: center; gap: 6px; padding: 3px 10px 3px 9px; border-radius: 11px; font-size: 12px; font-weight: 600; white-space: nowrap; flex: none; }
.pill::before { content: ""; width: 6px; height: 6px; border-radius: 3px; background: currentColor; }
.pill.red { color: var(--red); background: var(--red-soft); } .pill.amber { color: var(--amber); background: var(--amber-soft); }
.pill.green { color: var(--green); background: var(--green-soft); } .pill.blue { color: var(--primary); background: var(--primary-soft); }
.pill.grey { color: var(--ink2); background: var(--muted); }
.badge { background: var(--red); color: #fff; border-radius: 10px; font-size: 12px; font-weight: 700; padding: 1px 7px; }
.metrics { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.metric { padding: 18px; }
.metric .n { font-size: 34px; font-weight: 700; font-feature-settings: "tnum"; margin-top: 8px; }
.metric.red .n { color: var(--red); } .metric.amber .n { color: var(--amber); } .metric.blue .n { color: var(--primary); }
.cols { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: 24px; align-items: start; }
@media (max-width: 980px) { .cols { grid-template-columns: 1fr; } }
.grid-docs { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 14px; }
.doc-card { padding: 10px; text-decoration: none; color: inherit; display: block; }
.doc-card .thumb { aspect-ratio: 4/3.2; border-radius: 12px; background: var(--muted); overflow: hidden; display: grid; place-items: center; color: var(--ink3); }
.doc-card .thumb img { width: 100%; height: 100%; object-fit: cover; }
.doc-card h3 { font-size: 15px; margin: 10px 2px 2px; }
.doc-card p { margin: 0 2px 6px; font-size: 13px; color: var(--ink2); }
.chips { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }
.chip { border: 0; background: var(--surface); padding: 8px 16px; border-radius: 18px; font-weight: 600; cursor: pointer; box-shadow: var(--shadow); }
.chip.on { background: var(--ink); color: var(--bg); }
.note { display: flex; gap: 10px; padding: 12px 14px; border-radius: 14px; background: var(--muted); color: var(--ink2); font-size: 14px; margin-top: 14px; }
.note.blue { background: var(--primary-soft); color: var(--ink); } .note.amber { background: var(--amber-soft); color: var(--ink); } .note.red { background: var(--red-soft); color: var(--ink); }
.note svg { width: 18px; height: 18px; flex: none; margin-top: 2px; }
.empty { padding: 40px 20px; text-align: center; color: var(--ink2); }
.empty h3 { color: var(--ink); margin-bottom: 6px; }

/* Buttons & forms */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: 0; border-radius: 14px; padding: 12px 18px; font-weight: 600; cursor: pointer; background: var(--primary); color: #fff; text-decoration: none; min-height: 48px; }
.btn.secondary { background: var(--primary-soft); color: var(--primary); }
.btn.plain { background: transparent; color: var(--primary); padding: 8px 10px; min-height: 0; }
.btn.danger { background: var(--red-soft); color: var(--red); }
.btn.block { width: 100%; }
.btn[disabled] { opacity: .45; cursor: not-allowed; }
.btn svg { width: 18px; height: 18px; }
.actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 20px; }
.form { display: grid; gap: 12px; }
.form .two { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 560px) { .form .two { grid-template-columns: 1fr; } }
.field { display: grid; gap: 2px; background: var(--surface); border: 1.5px solid var(--line); border-radius: 14px; padding: 8px 14px 10px; }
.field:focus-within { border-color: var(--primary); }
.field span { font-size: 12px; font-weight: 600; color: var(--ink2); }
.field input, .field select, .field textarea { border: 0; outline: 0; background: transparent; padding: 2px 0; width: 100%; font-size: 16px; }
.field textarea { resize: vertical; min-height: 60px; }
.check { display: flex; gap: 10px; align-items: center; padding: 6px 2px; }
.check input { width: 20px; height: 20px; accent-color: var(--primary); }
.seg { display: inline-flex; background: var(--muted); border-radius: 12px; padding: 3px; gap: 2px; flex: none; }
.seg button { border: 0; background: transparent; padding: 6px 14px; border-radius: 9px; font-weight: 600; font-size: 14px; cursor: pointer; color: var(--ink2); }
.seg button.on { background: var(--surface); color: var(--ink); box-shadow: 0 1px 3px rgba(0,0,0,.12); }
.seg button.on.bad { background: var(--red); color: #fff; }
.readable { max-width: 640px; }
.sig { width: 100%; height: 170px; background: var(--surface); border: 1.5px solid var(--line); border-radius: 16px; touch-action: none; display: block; }
.error { color: var(--red); font-size: 14px; }
.connect { min-height: 100vh; display: grid; place-items: center; padding: 24px 16px; }
.connect .box { width: 100%; max-width: 440px; }
.code-input { font: 600 26px ui-monospace, "SF Mono", Menlo, monospace; text-align: center; letter-spacing: .08em; text-transform: uppercase; width: 100%; padding: 16px; border-radius: 16px; border: 1.5px solid var(--line); background: var(--surface); outline: 0; }
.code-input:focus { border-color: var(--primary); }

/* Dialog */
dialog { border: 0; border-radius: 22px; padding: 0; background: var(--bg); color: var(--ink); width: min(560px, calc(100vw - 24px)); max-height: calc(100vh - 40px); box-shadow: 0 20px 60px rgba(0,0,0,.35); }
dialog::backdrop { background: rgba(10, 19, 30, .45); }
dialog .dlg { padding: 22px; display: grid; gap: 14px; }
dialog .dlg header { display: flex; align-items: center; gap: 10px; }
dialog .dlg header h2 { flex: 1; }
.viewer { width: 100%; max-height: 70vh; object-fit: contain; border-radius: 12px; background: var(--muted); }
.viewer-frame { width: 100%; height: 70vh; border: 0; border-radius: 12px; background: #fff; }
.toast { position: fixed; left: 50%; bottom: 96px; transform: translateX(-50%); background: var(--ink); color: var(--bg); padding: 12px 18px; border-radius: 16px; font-weight: 600; z-index: 50; box-shadow: 0 10px 30px rgba(0,0,0,.25); max-width: calc(100vw - 32px); }
.spinner { width: 20px; height: 20px; border: 2.5px solid color-mix(in srgb, currentColor 25%, transparent); border-top-color: currentColor; border-radius: 50%; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

/* Short-haul time records */
.duty { padding: 18px; }
.duty-head { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
.duty-head .tile { background: var(--primary-soft); color: var(--primary); }
.duty-loc { display: flex; gap: 8px; align-items: baseline; margin-bottom: 12px; }
.duty-loc svg { width: 16px; height: 16px; flex: none; }
.duty-timer { font-size: 38px; font-weight: 700; font-feature-settings: "tnum"; letter-spacing: -0.5px; }
.duty-bar { height: 10px; border-radius: 5px; background: var(--muted); overflow: hidden; margin: 10px 0 16px; }
.duty-bar > div { height: 100%; border-radius: 5px; transition: width .6s; }
.btn.navy { background: var(--ink); color: var(--bg); }
.duty-head strong { white-space: nowrap; }
.print-root { display: none; }
@media print {
  body > *:not(.print-root) { display: none !important; }
  .print-root { display: block; color: #000; font: 11px/1.4 -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; }
  .print-root h1 { font-size: 18px; margin: 0 0 4px; }
  .print-root table { width: 100%; border-collapse: collapse; margin-top: 10px; }
  .print-root th, .print-root td { border-bottom: 1px solid #ccc; padding: 4px 6px; text-align: left; vertical-align: top; }
}