/* OBTMS-RS portal — single hand-written stylesheet */
:root {
  --ink: #14202e;
  --ink-2: #3b4a5c;
  --muted: #66768a;
  --line: #d3dae3;
  --line-2: #e7ecf2;
  --bg: #f3f5f8;
  --card: #ffffff;
  --rail: #0f2740;        /* header */
  --rail-2: #173a5e;
  --accent: #f2a900;      /* signal amber */
  --primary: #1f5fa8;
  --primary-ink: #ffffff;
  --ok: #1d7f45;
  --ok-bg: #dff3e6;
  --warn: #9a6400;
  --warn-bg: #fff1cc;
  --bad: #b3261e;
  --bad-bg: #fde3e1;
  --grey-bg: #e9edf2;
  --radius: 6px;
  /* buttons (DESIGN R17): one base size for every action button, one small size for in-table / chart controls */
  --btn-h: 2.2rem;
  --btn-pad: .95rem;
  --btn-fs: .92rem;
  --btn-h-sm: 1.8rem;
  --btn-pad-sm: .6rem;
  --btn-fs-sm: .84rem;
  --mono: ui-monospace, "Cascadia Mono", Consolas, "Liberation Mono", monospace;
  --sans: "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
}
* { box-sizing: border-box; }
html { font-size: 15px; }
body { margin: 0; font-family: var(--sans); color: var(--ink); background: var(--bg); line-height: 1.45; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 1.45rem; margin: 0 0 .25rem; }
h2 { font-size: 1.15rem; margin: 1.4rem 0 .6rem; }
h3 { font-size: 1rem; margin: 1rem 0 .5rem; }
code, .mono { font-family: var(--mono); font-size: .92em; }
code { overflow-wrap: anywhere; }
small, .muted { color: var(--muted); }

/* ---------- top bar ---------- */
.topbar { background: var(--rail); color: #fff; border-bottom: 4px solid var(--accent); }
.topbar .wrap { display: flex; align-items: center; gap: 1.25rem; flex-wrap: wrap; padding: .55rem 1rem; max-width: 1400px; margin: 0 auto; }
.brand { display: flex; align-items: center; gap: .55rem; color: #fff; font-weight: 700; letter-spacing: .04em; }
.brand:hover { text-decoration: none; }
.brand .logo { width: 30px; height: 30px; border-radius: 6px; }
.login-logo { display: block; width: 56px; height: 56px; border-radius: 12px; margin-bottom: .4rem; }
.brand small { color: #b9c7d8; font-weight: 400; letter-spacing: 0; }
.nav { display: flex; gap: .15rem; flex-wrap: wrap; flex: 1; }
.nav a { color: #d9e4f0; padding: .4rem .7rem; border-radius: var(--radius); font-weight: 500; }
.nav a:hover { background: var(--rail-2); color: #fff; text-decoration: none; }
.nav a.active { background: var(--rail-2); color: #fff; box-shadow: inset 0 -3px 0 var(--accent); }
.who { display: flex; align-items: center; gap: .6rem; color: #d9e4f0; font-size: .9rem; }
.who form { margin: 0; }
.who .role { background: var(--accent); color: var(--rail); padding: .05rem .45rem; border-radius: 3px; font-weight: 700; font-size: .75rem; }
.who a { color: #d9e4f0; }
.linkbtn { background: none; border: 1px solid #4d6886; color: #fff; padding: .25rem .6rem; border-radius: var(--radius); cursor: pointer; font: inherit; }
.linkbtn:hover { background: var(--rail-2); }

main { max-width: 1400px; margin: 0 auto; padding: 1.1rem 1rem 3rem; }
.page-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 1rem; flex-wrap: wrap; margin-bottom: 1rem; }
.page-head .sub { color: var(--muted); }
.crumbs { font-size: .85rem; color: var(--muted); margin-bottom: .2rem; }

/* ---------- cards / grid ---------- */
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem 1.1rem; margin-bottom: 1rem; }
.card > h2:first-child, .card > h3:first-child { margin-top: 0; }
.grid { display: grid; gap: 1rem; }
.grid.cols-2 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 440px), 1fr)); }
.grid > * { min-width: 0; }
.grid.cols-3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1rem; margin-bottom: 1rem; }
.stat { background: var(--card); border: 1px solid var(--line); border-left: 5px solid var(--primary); border-radius: var(--radius); padding: .8rem 1rem; }
.stat .n { font-size: 2rem; font-weight: 700; line-height: 1.1; }
.stat .l { color: var(--muted); font-size: .9rem; }
.stat.amber { border-left-color: var(--accent); }
.stat.green { border-left-color: var(--ok); }

/* ---------- tabs ---------- */
.tabs { display: flex; gap: .25rem; border-bottom: 2px solid var(--line); margin-bottom: 1rem; flex-wrap: wrap; }
.tabs a { display: inline-flex; align-items: center; height: var(--btn-h); padding: 0 .9rem; color: var(--ink-2); border: 1px solid transparent; border-bottom: none; border-radius: var(--radius) var(--radius) 0 0; margin-bottom: -2px; font-weight: 500; }
.tabs a.active { background: var(--card); border-color: var(--line); border-bottom: 2px solid var(--card); color: var(--ink); }
.tabs a:hover { text-decoration: none; background: var(--line-2); }

/* ---------- tables ---------- */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; background: var(--card); }
th, td { padding: .45rem .55rem; border-bottom: 1px solid var(--line-2); text-align: left; vertical-align: middle; }
th { background: #eef2f7; color: var(--ink-2); font-weight: 600; font-size: .85rem; text-transform: uppercase; letter-spacing: .03em; border-bottom: 1px solid var(--line); white-space: nowrap; }
tbody tr:hover { background: #f8fafc; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
table.compact th, table.compact td { padding: .3rem .4rem; }
table.kv th { width: 34%; text-transform: none; letter-spacing: 0; font-size: .9rem; background: #f6f8fb; }
.empty { color: var(--muted); text-align: center; padding: 1.2rem; }

/* ---------- forms ---------- */
label { display: block; font-weight: 600; font-size: .88rem; color: var(--ink-2); margin-bottom: .2rem; }
input[type=text], input[type=number], input[type=password], input[type=date], input[type=time], input[type=tel], input[type=search], select, textarea {
  width: 100%; padding: .45rem .55rem; font: inherit; color: var(--ink); background: #fff;
  border: 1px solid #b7c3d1; border-radius: var(--radius);
}
input:focus, select:focus, textarea:focus { outline: 3px solid rgba(31, 95, 168, .25); border-color: var(--primary); }
input[type=file] { font: inherit; }
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: .8rem 1rem; }
.field { margin-bottom: .8rem; }
.field .hint { font-size: .8rem; color: var(--muted); }
.field.error input, .field.error select { border-color: var(--bad); }
.field .err { color: var(--bad); font-size: .82rem; }
.check { display: flex; align-items: center; gap: .45rem; font-weight: 500; }
.check input { width: 1.1rem; height: 1.1rem; }
.actions { margin-top: .6rem; }
.inline-form { display: inline; margin: 0; }
td input[type=text], td input[type=number], td select { padding: .3rem .4rem; }
td select { min-width: 5.5rem; }
.nowrap { white-space: nowrap; }

/* ---------- buttons: .btn = the one base (links, buttons, <summary>); .btn.sm = in-table / chart controls ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .35rem; box-sizing: border-box;
  height: var(--btn-h); min-height: var(--btn-h); padding: 0 var(--btn-pad); margin: 0; vertical-align: middle;
  font-family: inherit; font-size: var(--btn-fs); font-weight: 600; line-height: 1; border-radius: var(--radius);
  border: 1px solid var(--primary); background: var(--primary); color: var(--primary-ink); cursor: pointer;
  text-decoration: none; white-space: nowrap; -webkit-appearance: none; appearance: none; }
.btn:hover { filter: brightness(1.08); text-decoration: none; }
summary.btn { list-style: none; }
summary.btn::-webkit-details-marker { display: none; }
.btn.secondary { background: #fff; color: var(--primary); }
.btn.ghost { background: transparent; border-color: var(--line); color: var(--ink-2); }
.btn.danger { background: var(--bad); border-color: var(--bad); }
.btn.amber { background: var(--accent); border-color: #c98c00; color: var(--rail); }
.btn.sm { height: var(--btn-h-sm); min-height: var(--btn-h-sm); padding: 0 var(--btn-pad-sm); font-size: var(--btn-fs-sm); }
.btn.icon { width: var(--btn-h); padding: 0; }
.btn.sm.icon { width: var(--btn-h-sm); }
/* toolbars: a flex row of equal-height controls, same gap everywhere, wrapping on narrow screens */
.toolbar, .actions { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem; }
.toolbar > form, .actions > form, .toolbar .inline-form, .actions .inline-form { display: inline-flex; align-items: center; gap: .5rem; margin: 0; }
.toolbar select, .actions select, .toolbar input[type=text] { height: var(--btn-h); width: auto; padding-top: 0; padding-bottom: 0; font-size: var(--btn-fs); }
.toolbar select, .actions select { min-width: 9rem; padding-right: 1.6rem; }
.row-actions { gap: .35rem; flex-wrap: nowrap; }
.row-actions .btn.sm { min-width: 4.6rem; }
.page-head .actions { margin-top: 0; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }

/* ---------- flash ---------- */
.flash { padding: .65rem .9rem; border-radius: var(--radius); margin-bottom: .6rem; border: 1px solid; font-weight: 500; }
.flash.ok { background: var(--ok-bg); border-color: #9fd3b3; color: #0f4d2a; }
.flash.error { background: var(--bad-bg); border-color: #f2aaa4; color: #7d1a14; }
.flash.warn { background: var(--warn-bg); border-color: #f0cf7a; color: #5e3e00; }

/* ---------- badges ---------- */
.badge { display: inline-block; padding: .05rem .45rem; border-radius: 3px; font-size: .75rem; font-weight: 700; letter-spacing: .03em; border: 1px solid transparent; white-space: nowrap; }
.badge.ok, .badge.COMPUTED, .badge.COMPLETE, .badge.APPROVED { background: var(--ok-bg); color: var(--ok); border-color: #9fd3b3; }
.badge.warn, .badge.REVIEW, .badge.OPEN, .badge.INCOMPLETE, .badge.PENDING { background: var(--warn-bg); color: var(--warn); border-color: #f0cf7a; }
.badge.grey, .badge.DEFAULT, .badge.MANUAL { background: var(--grey-bg); color: var(--ink-2); border-color: var(--line); }
.badge.bad, .badge.ABANDONED, .badge.inactive, .badge.REJECTED { background: var(--bad-bg); color: var(--bad); border-color: #f2aaa4; }
.badge.APP, .badge.ADMIN { background: #dce9f8; color: var(--primary); border-color: #a8c5e8; }
.badge.MANAGER { background: #ece3fa; color: #5b2ea6; border-color: #cbb6ee; }
.badge.USER { background: var(--grey-bg); color: var(--ink-2); }
.end { font-family: var(--mono); font-weight: 700; background: var(--rail); color: #fff; padding: .02rem .35rem; border-radius: 3px; font-size: .82rem; }

/* ---------- progress ---------- */
.progress { background: var(--grey-bg); border-radius: 999px; height: 10px; overflow: hidden; min-width: 120px; border: 1px solid var(--line); }
.progress > span { display: block; height: 100%; background: linear-gradient(90deg, var(--ok), #2fa463); }
.progress-row { display: flex; align-items: center; gap: .6rem; }

/* ---------- run matrix ---------- */
table.matrix th, table.matrix td { text-align: center; }
table.matrix td.lbl, table.matrix th.lbl { text-align: left; white-space: nowrap; }
.cell { display: block; min-width: 92px; padding: .3rem .35rem; border-radius: 4px; font-size: .82rem; line-height: 1.25; color: var(--ink); border: 1px solid transparent; }
.cell:hover { text-decoration: none; outline: 2px solid var(--primary); }
.cell.green { background: var(--ok-bg); border-color: #9fd3b3; }
.cell.amber { background: var(--warn-bg); border-color: #f0cf7a; }
.cell.grey { background: var(--grey-bg); color: var(--muted); }
.cell .sn { font-weight: 700; font-family: var(--mono); }
.cell .re { color: var(--bad); font-weight: 700; margin-left: .2rem; }
.cell.ratelow { outline: 2px solid var(--accent); outline-offset: -2px; }
.rate-mark { color: var(--warn); font-size: .78rem; white-space: nowrap; }
.info-note { color: var(--ink-2); font-size: .85rem; margin-top: .2rem; }
.legend { display: flex; gap: 1rem; flex-wrap: wrap; font-size: .85rem; color: var(--ink-2); margin: .4rem 0 .8rem; }
.legend i { display: inline-block; width: 14px; height: 14px; border-radius: 3px; vertical-align: -2px; margin-right: .3rem; border: 1px solid var(--line); }
.legend .l { background: var(--card); border: 2px solid var(--accent); }
.nav .count { display: inline-block; min-width: 1.2rem; padding: 0 .3rem; margin-left: .25rem; border-radius: 999px; background: var(--accent); color: #0f2740; font-size: .72rem; font-weight: 800; text-align: center; line-height: 1.3; }
.legend .g { background: var(--ok-bg); } .legend .a { background: var(--warn-bg); } .legend .x { background: var(--grey-bg); }

/* ---------- wheels ---------- */
.wheel { font-size: .82rem; line-height: 1.3; }
.wheel b { font-size: .95rem; }
.chart { width: 100%; max-width: 760px; height: auto; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
/* wheel history: event badges, change vs previous, audit (soft delete / edits) */
.badge.ev-MEASURE { background: #dce9f8; color: var(--primary); border-color: #a8c5e8; }
.badge.ev-TURNING { background: var(--bad-bg); color: var(--bad); border-color: #f2aaa4; }
.badge.ev-REPLACEMENT { background: var(--ok-bg); color: var(--ok); border-color: #9fd3b3; }
.delta.down { color: var(--ink-2); }
.delta.up { color: var(--ok); font-weight: 700; }
tr.deleted > td:not(.audit), div.deleted { text-decoration: line-through; color: var(--muted); }
tr.deleted > td:not(.audit) .badge, tr.deleted > td:not(.audit) a, div.deleted .badge { opacity: .6; }
.del-note { font-size: .78rem; color: var(--bad); max-width: 22rem; }
details.edits { font-size: .78rem; }
details.edits > summary { font-weight: 400; }
details.edits ul { margin: .25rem 0 0; padding-left: 1rem; max-width: 26rem; }
details.row-action { display: inline-block; margin: 0 .2rem .2rem 0; }
details.row-action > summary { list-style: none; }
details.row-action > summary::-webkit-details-marker { display: none; }
details.row-action form { display: flex; flex-wrap: wrap; gap: .3rem; align-items: center; margin-top: .3rem; }
.edit-form label { font-size: .78rem; display: flex; flex-direction: column; }
details.log-group > summary { font-weight: 400; color: var(--ink); padding: .2rem 0 .5rem; }
table.bogie-grid td { vertical-align: top; min-width: 9rem; }
table.wheel-log td { vertical-align: top; }
a.stat { color: inherit; text-decoration: none; }
a.stat:hover { outline: 2px solid var(--primary); }

/* vibration analysis */
.adot { font-size: .75rem; line-height: 1; vertical-align: 1px; }
.adot.OK { color: var(--ok); }
.adot.PENDING { color: #9aa8b8; }
.adot.ERROR { color: var(--bad); }
.adot.UNSUPPORTED { color: var(--warn); }
.an-header { background: #f4f7fb; border: 1px solid var(--line); border-radius: var(--radius); padding: .45rem .6rem; font-size: .9rem; overflow-wrap: anywhere; }
.fft-controls { display: flex; flex-wrap: wrap; gap: .4rem 1.2rem; align-items: center; margin: .4rem 0; font-size: .85rem; }
.fft-chart { width: 100%; min-height: 420px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.an-cell { position: relative; min-width: 110px; padding: .3rem .35rem .3rem 1.5rem; border-radius: 4px; font-size: .82rem; line-height: 1.25; background: var(--grey-bg); border: 1px solid var(--line); }
.an-cell a { color: var(--ink); display: block; }
.an-cell a:hover { text-decoration: none; }
.an-cell:hover { outline: 2px solid var(--primary); }
.an-cell .pick { position: absolute; left: .3rem; top: .35rem; margin: 0; }
.an-cell .sn { font-weight: 700; font-family: var(--mono); }
.an-scale i { display: inline-block; width: 14px; height: 10px; margin-right: .25rem; border: 1px solid var(--line); }
table.speed-track tr.muted td { color: var(--muted); }
/* reading page: FFT | time domain | one revolution side by side (X/Y/Z stacked in each), all in one window height;
   each group can be maximised */
#analysis { scroll-margin-top: .3rem; }
.an-groups { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .45rem; height: calc(100vh - 4.2rem); min-height: 480px; margin: .4rem 0; }
.an-group { display: flex; flex-direction: column; min-height: 0; min-width: 0; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.an-group-head { display: flex; flex-wrap: wrap; align-items: center; gap: .25rem .9rem; padding: .2rem .5rem; border-bottom: 1px solid var(--line); background: #f8fafc; font-size: .82rem; }
.an-group-head h3 { margin: 0; font-size: .92rem; }
.an-group-head h3 small { display: block; font-weight: 400; }
.an-group-head .fft-controls { margin: 0; gap: .3rem .8rem; }
.an-group-head .an-max { margin-left: auto; }
.an-plot { flex: 1 1 auto; min-height: 0; min-width: 0; position: relative; overflow: hidden; }
.an-msg { padding: .6rem; margin: 0; }
.an-group.maximised { position: fixed; inset: 0; z-index: 1000; border-radius: 0; border: 0; }
body.an-max-open { overflow: hidden; }
.an-actions { margin-top: .8rem; }
/* wheel-harmonic list (all orders, X / Y / Z) */
.an-harm-wrap { max-height: 22rem; overflow: auto; border: 1px solid var(--line); border-radius: var(--radius); }
.an-harm-wrap table { margin: 0; }
.an-harm-wrap thead th { position: sticky; top: 0; background: #f8fafc; z-index: 1; }
.an-harm-wrap td.top { background: #fff1cc; font-weight: 600; }
.an-harm-wrap .rank { color: #9a4f00; font-weight: 700; margin-right: .2rem; }
.an-jobs { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; }
.an-jobs .sep { width: 1px; align-self: stretch; background: var(--line); }
.job-status { display: inline-flex; align-items: center; gap: .5rem; }
@media (max-width: 980px), (max-height: 560px) {
  .an-groups { display: block; height: auto; min-height: 0; }
  .an-group { margin-bottom: .5rem; }
  .an-plot { flex: none; height: 460px; }
  .an-group.maximised .an-plot { flex: 1 1 auto; height: auto; }
}

/* ---------- QR ---------- */
.qr-thumb { width: 72px; height: 72px; image-rendering: pixelated; border: 1px solid var(--line); background: #fff; }
.photo { max-width: 100%; max-height: 420px; border: 1px solid var(--line); border-radius: var(--radius); }

/* ---------- login ---------- */
.login-wrap { min-height: 100vh; display: grid; place-items: center; background: linear-gradient(160deg, var(--rail) 0%, var(--rail-2) 60%, #23527f 100%); padding: 1rem; }
.login-card { width: 100%; max-width: 380px; background: #fff; border-radius: 10px; padding: 1.6rem 1.6rem 1.2rem; border-top: 6px solid var(--accent); box-shadow: 0 18px 40px rgba(0,0,0,.35); }
.login-card h1 { font-size: 1.3rem; }
.login-card .btn { width: 100%; height: 2.6rem; margin-top: .4rem; }

details > summary { cursor: pointer; font-weight: 600; color: var(--primary); }
pre.json { background: #0f1a26; color: #d8e6f5; padding: .9rem; border-radius: var(--radius); overflow: auto; font-size: .82rem; max-height: 520px; }
.footer { color: var(--muted); font-size: .8rem; text-align: center; padding: 1rem; }
.htmx-indicator { opacity: 0; transition: opacity .2s; }
.htmx-request .htmx-indicator, .htmx-request.htmx-indicator { opacity: 1; }

@media (max-width: 760px) {
  html { font-size: 14px; }
  .topbar .wrap { gap: .5rem; }
  .nav { order: 3; width: 100%; }
  .who { margin-left: auto; }
  table.kv th { width: 130px; }
}
@media print {
  .topbar, .actions, .btn, form { display: none !important; }
  body { background: #fff; }
}

/* ---------- snapshot preview ---------- */
.spark-wrap { border: 1px solid var(--line); border-radius: var(--radius); background: #fbfcfe; padding: .3rem; margin-bottom: .25rem; }
.spark { display: block; max-height: 160px; }
.spark-ax { stroke: #1f5fa8; } .spark-ay { stroke: #1d7f45; } .spark-az { stroke: #b3261e; }
.spark-sep { stroke: var(--line-2); stroke-width: 1; }
.spark-lbl { font: 700 12px var(--mono); fill: var(--ink-2); }
.spark-rng { font: 10px var(--mono); fill: var(--muted); }
table.preview td, table.preview th { padding: .15rem .4rem; font-size: .8rem; }
table.preview tr.gap-row td { background: var(--warn-bg); }

/* ---------- attach log files ---------- */
.dropzone { border: 2px dashed var(--line); border-radius: 6px; padding: 1.2rem; text-align: center; background: var(--grey-bg); }
.dropzone.over { border-color: var(--primary); background: #eef4fb; }
.dropzone input[type=file] { margin: 0 auto .5rem; display: block; }
.cell .nofile, .legend .nofile { display: inline-block; font-size: .7rem; font-weight: 700; color: var(--warn); border: 1px dashed var(--warn); border-radius: 3px; padding: 0 .25rem; line-height: 1.3; }
/* reading whose bogie was not identified by a QR scan (DESIGN R15): small marker in the run matrix */
.cell .noqr, .legend .noqr { display: inline-block; font-size: .66rem; font-weight: 700; color: #fff; background: var(--warn); border-radius: 3px; padding: 0 .25rem; line-height: 1.35; vertical-align: 1px; }

/* ---------- capture page: Simple (default) / Advanced view ---------- */
.cap-page.view-simple .adv { display: none !important; }
.cap-page.view-advanced .simple-only { display: none !important; }
.cap-page.view-simple .an-detail { grid-template-columns: 1fr; }
.view-toggle { align-self: flex-start; }
.cap-summary .file-buttons { flex-wrap: wrap; }
.stat { min-width: 0; }
.stat-spark { grid-column: span 2; }
.stat-spark .speed-spark { display: block; width: 100%; max-width: 100%; }
@media (max-width: 640px) { .stat-spark { grid-column: auto; } }