:root {
  --green: #2e7d32;
  --green-dark: #1b5e20;
  --bg: #f4f6f4;
  --panel: #ffffff;
  --border: #d9ded9;
  --text: #1d241d;
  --muted: #6b746b;
  --red: #b23a48;
  --amber: #b7791f;
  --blue: #2c5f8a;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
}

button {
  font: inherit;
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 6px;
  padding: 6px 12px;
  cursor: pointer;
}
button:hover { background: #f0f3f0; }
button.primary {
  background: var(--green);
  border-color: var(--green-dark);
  color: #fff;
}
button.primary:hover { background: var(--green-dark); }
button.danger { color: var(--red); }
button:disabled { opacity: 0.5; cursor: default; }

input, select {
  font: inherit;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 8px;
  background: #fff;
}
input:focus, select:focus { outline: 2px solid #a5d6a7; }

.topbar {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--green-dark);
  color: #fff;
  padding: 10px 18px;
}
.topbar h1 { font-size: 16px; margin: 0; font-weight: 600; }
.topbar a { color: #c8e6c9; text-decoration: none; }
.topbar .spacer { flex: 1; }
.topbar button { background: transparent; color: #c8e6c9; border-color: #4c7a50; }
.topbar button:hover { background: rgba(255,255,255,0.08); }

/* ---- login ---- */
.login-wrap {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.login-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 36px;
  width: 340px;
  text-align: center;
  box-shadow: 0 4px 18px rgba(0,0,0,0.06);
}
.login-card h1 { color: var(--green-dark); margin-top: 0; }
.login-card input { width: 100%; margin: 12px 0; text-align: center; }
.login-card button { width: 100%; }
.login-err { color: var(--red); min-height: 1.3em; margin: 6px 0 0; }

/* ---- jobs list ---- */
.container { max-width: 960px; margin: 24px auto; padding: 0 16px; }
.dropzone {
  border: 2px dashed var(--border);
  border-radius: 12px;
  background: var(--panel);
  padding: 42px;
  text-align: center;
  color: var(--muted);
  cursor: pointer;
  transition: border-color .15s, background .15s;
}
.dropzone.drag { border-color: var(--green); background: #ecf4ec; }
.job-card {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 18px;
  margin-top: 12px;
}
.job-card .grow { flex: 1; min-width: 0; }
.job-card .name { font-weight: 600; font-size: 15px; }
.job-card a.name { color: var(--text); text-decoration: none; }
.job-card a.name:hover { color: var(--green-dark); }
.job-card .meta { color: var(--muted); font-size: 12.5px; margin-top: 2px; }
.progressbar {
  height: 6px; border-radius: 3px; background: #e3e8e3; overflow: hidden; margin-top: 8px;
}
.progressbar > div { height: 100%; background: var(--green); transition: width .5s; }

.badge {
  display: inline-block;
  font-size: 11.5px;
  padding: 2px 8px;
  border-radius: 10px;
  background: #e3e8e3;
  color: var(--muted);
  text-transform: capitalize;
}
.badge.ready { background: #dcedc8; color: var(--green-dark); }
.badge.processing { background: #fff3cd; color: var(--amber); }
.badge.error { background: #f8d7da; color: var(--red); }

/* ---- review workspace ---- */
/* Job page: viewport-locked column layout — the page itself never scrolls;
   the rail, viewer, and panel each scroll independently. */
body.job {
  height: 100dvh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
body.job .topbar { flex: 0 0 auto; }

.workspace {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr) 430px;
  flex: 1;
  height: auto;
  overflow: hidden;
}
/* min-height:0 lets each column's own overflow scrolling engage; without it a
   grid child refuses to shrink below its content and the whole page scrolls. */
.workspace > * { min-height: 0; }
.viewer { min-height: 0; }
.panel-body { min-height: 0; }
@media (max-width: 1100px) {
  .workspace { grid-template-columns: 90px minmax(0, 1fr) 320px; }
}
@media (max-width: 760px) {
  .workspace {
    grid-template-columns: 70px minmax(0, 1fr);
    grid-template-rows: minmax(0, 55%) minmax(0, 45%);
  }
  .panel { grid-column: 1 / 3; border-top: 1px solid var(--border); }
}

.rail {
  overflow-y: auto;
  background: var(--panel);
  border-right: 1px solid var(--border);
  padding: 8px;
}
.rail .pagethumb {
  position: relative;
  margin-bottom: 10px;
  cursor: pointer;
  border: 2px solid transparent;
  border-radius: 6px;
  overflow: hidden;
}
.rail .pagethumb.active { border-color: var(--green); }
.rail .pagethumb img { width: 100%; display: block; }
.rail .pagethumb .pageclass {
  position: absolute; bottom: 0; left: 0; right: 0;
  background: rgba(27, 94, 32, 0.85); color: #fff;
  font-size: 10.5px; padding: 2px 5px; text-transform: capitalize;
}
.rail .pagethumb .pageno {
  position: absolute; top: 2px; left: 4px;
  background: rgba(0,0,0,0.55); color: #fff;
  font-size: 10.5px; padding: 1px 5px; border-radius: 4px;
}

.viewer-col { display: flex; flex-direction: column; min-width: 0; }
.toolbar {
  display: flex; align-items: center; gap: 8px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  padding: 6px 10px;
  flex-wrap: wrap;
}
.toolbar .sep { width: 1px; align-self: stretch; background: var(--border); }
.toolbar .readout { color: var(--muted); font-variant-numeric: tabular-nums; }
.toolbar button.tool-active { background: var(--green); color: #fff; border-color: var(--green-dark); }

.viewer {
  position: relative;
  flex: 1;
  overflow: auto;
  background: #888;
}
.viewer .canvas-stack { position: relative; margin: 0 auto; }
.viewer canvas { display: block; }
#overlay { position: absolute; top: 0; left: 0; cursor: grab; }

.panel {
  background: var(--panel);
  border-left: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.tabs { display: flex; border-bottom: 1px solid var(--border); }
.tabs button {
  flex: 1; border: none; border-radius: 0; padding: 10px;
  background: #eef1ee; font-weight: 600; color: var(--muted);
}
.tabs button.active { background: var(--panel); color: var(--green-dark); border-bottom: 2px solid var(--green); }
.panel-body { flex: 1; overflow-y: auto; padding: 10px; }

.cat-header {
  font-weight: 700; text-transform: uppercase; font-size: 11.5px;
  color: var(--muted); margin: 14px 0 4px; letter-spacing: .04em;
}
.item-row {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
  margin-bottom: 6px;
  background: #fff;
}
.item-row.verified { border-left: 3px solid var(--green); }
.item-row.mismatch { border-left: 3px solid var(--amber); }
.item-row .toprow { display: flex; align-items: center; gap: 8px; }
.item-row .iname { font-weight: 600; flex: 1; min-width: 0; }
.item-row .iname small { color: var(--muted); font-weight: 400; }
.item-row input.qty { width: 72px; text-align: right; }
.item-row .unit { color: var(--muted); width: 30px; }
.item-row .subrow { display: flex; align-items: center; gap: 8px; margin-top: 5px; font-size: 12px; color: var(--muted); flex-wrap: wrap; }
.item-row .warn { color: var(--amber); }
.item-row .sheetlink { color: var(--blue); cursor: pointer; text-decoration: underline; }
.conf { font-size: 10.5px; padding: 1px 6px; border-radius: 8px; }
.conf.high { background: #dcedc8; color: var(--green-dark); }
.conf.medium { background: #fff3cd; color: var(--amber); }
.conf.low { background: #f8d7da; color: var(--red); }

.note-row {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
  margin-bottom: 6px;
}
.note-row.specific { border-left: 3px solid var(--red); }
.note-row.acked { opacity: 0.6; }
.note-row .impact { color: var(--red); font-size: 12.5px; margin-top: 3px; }
.note-row .subrow { display: flex; gap: 8px; margin-top: 5px; font-size: 12px; color: var(--muted); align-items: center; }

.summary-md { line-height: 1.5; }
.summary-md h2 { font-size: 15px; color: var(--green-dark); border-bottom: 1px solid var(--border); padding-bottom: 3px; }
.summary-md li { margin: 3px 0; }

.review-progress {
  padding: 8px 10px; border-top: 1px solid var(--border);
  display: flex; align-items: center; gap: 10px; font-size: 12.5px; color: var(--muted);
}
.review-progress .progressbar { flex: 1; margin: 0; }

.muted { color: var(--muted); }
.mt { margin-top: 12px; }

dialog {
  border: 1px solid var(--border); border-radius: 10px; padding: 18px;
  min-width: 320px;
}
dialog::backdrop { background: rgba(0,0,0,0.3); }
dialog .row { display: flex; gap: 8px; align-items: center; margin: 8px 0; }
dialog .row label { width: 110px; }