:root {
  --bg: #f7f8fa; --panel: #ffffff; --border: #dde1e6;
  --text: #1c2733; --muted: #66707b;
  --primary: #1463b3; --primary-dark: #0e4c8a;
  --ok: #1d7a3d; --warn: #a36a00; --bad: #b3261e;
}
* { box-sizing: border-box; }
body { margin: 0; font: 15px/1.45 system-ui, "Segoe UI", sans-serif; background: var(--bg); color: var(--text); }
.hidden { display: none !important; }
.muted { color: var(--muted); }
.error { color: var(--bad); min-height: 1.2em; }
.spacer { flex: 1; }

header { display: flex; align-items: center; gap: 12px; padding: 8px 16px;
  background: var(--panel); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 5; }
.brand { font-weight: 700; color: var(--primary-dark); margin-right: 8px; }
nav { display: flex; gap: 2px; }
.tab { border: none; background: none; padding: 8px 12px; cursor: pointer; border-radius: 6px; font-size: 14px; }
.tab.active { background: var(--primary); color: #fff; }

main { padding: 16px; max-width: 1300px; margin: 0 auto; }
h2 { margin: 4px 0 12px; } h3 { margin: 18px 0 6px; }

button { font: inherit; padding: 7px 14px; border: 1px solid var(--border);
  border-radius: 6px; background: var(--panel); cursor: pointer; }
button:hover { border-color: var(--primary); }
button.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
button.primary:disabled { opacity: .5; cursor: default; }
button.ok { background: var(--ok); border-color: var(--ok); color: #fff; }
button.bad { background: #fff; border-color: var(--bad); color: var(--bad); }
input, select, textarea { font: inherit; padding: 7px 10px; border: 1px solid var(--border);
  border-radius: 6px; background: #fff; }
textarea { width: 100%; min-height: 70px; resize: vertical; }
label { display: block; margin: 10px 0 3px; font-size: 13px; color: var(--muted); }

.login-view { display: flex; align-items: center; justify-content: center; height: 100vh; }
.login-card { background: var(--panel); border: 1px solid var(--border); border-radius: 12px;
  padding: 32px; width: 340px; display: flex; flex-direction: column; gap: 10px; }
.login-card h1 { margin: 0; font-size: 20px; }

.cards { display: flex; flex-wrap: wrap; gap: 12px; }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: 10px;
  padding: 14px 18px; min-width: 150px; }
.card .num { font-size: 26px; font-weight: 700; }
.card .flag { color: var(--warn); font-size: 13px; }

.toolbar { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; flex-wrap: wrap; }

.split { display: grid; grid-template-columns: minmax(280px, 420px) 1fr; gap: 14px; align-items: start; }
.list { background: var(--panel); border: 1px solid var(--border); border-radius: 10px;
  max-height: 75vh; overflow-y: auto; }
.row { padding: 9px 12px; border-bottom: 1px solid var(--border); cursor: pointer;
  display: flex; gap: 8px; align-items: baseline; }
.row:hover { background: #eef4fb; }
.row.sel { background: #e2edfa; }
.row .title { flex: 1; }
.row input[type=checkbox] { align-self: center; }
.badge { font-size: 11px; padding: 2px 7px; border-radius: 999px; white-space: nowrap; }
.badge.flag { background: #fff3df; color: var(--warn); }
.badge.tier { background: #e7f0fb; color: var(--primary-dark); }
.badge.status { background: #eee; color: var(--muted); }
.badge.proto { background: #fdecea; color: var(--bad); }

.editor { background: var(--panel); border: 1px solid var(--border); border-radius: 10px;
  padding: 16px; max-height: 75vh; overflow-y: auto; }
.editor .actions { display: flex; gap: 8px; margin-top: 16px; flex-wrap: wrap; }
.editor .grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
.abstract { background: #f4f6f8; border: 1px solid var(--border); border-radius: 8px;
  padding: 10px 12px; font-size: 13px; max-height: 260px; overflow-y: auto; white-space: pre-wrap; }

.picker { position: relative; }
.picker .options { position: absolute; z-index: 9; left: 0; right: 0; background: #fff;
  border: 1px solid var(--border); border-radius: 6px; max-height: 220px; overflow-y: auto; }
.picker .options div { padding: 6px 10px; cursor: pointer; }
.picker .options div:hover { background: #eef4fb; }

.result { background: #10151b; color: #c8e1ff; border-radius: 8px; padding: 12px;
  white-space: pre-wrap; font-size: 13px; }

table { border-collapse: collapse; background: var(--panel); border-radius: 8px; width: 100%; }
th, td { text-align: left; padding: 7px 10px; border-bottom: 1px solid var(--border); font-size: 14px; }

.checks { display: flex; flex-wrap: wrap; gap: 4px 14px; padding: 4px 0; }
.check { display: inline-flex; align-items: center; gap: 5px; margin: 0;
  font-size: 14px; color: var(--text); }

/* low-confidence extraction cues */
.badge.lowc { background: #fdecc8; color: #8a5a00; }
.lowfield { background: #fff8ec; border-radius: 8px; padding: 4px 8px;
  margin: 2px -8px; box-shadow: inset 3px 0 0 #e0a100; }
.lowmark { font-size: 11px; color: #8a5a00; font-weight: 600; }
.popdetail { margin: 10px 0; font-size: 13px; }
.pchip { display: inline-block; background: #eef4fb; border-radius: 999px;
  padding: 2px 9px; margin: 2px 3px; }
.pchip b { color: var(--primary-dark); font-weight: 600; }

.toast { position: fixed; bottom: 18px; left: 50%; transform: translateX(-50%);
  background: #1c2733; color: #fff; padding: 10px 18px; border-radius: 8px; z-index: 99; }
.toast.bad { background: var(--bad); }

/* ===== Mobile ===== */
@media (max-width: 820px) {
  header { flex-wrap: wrap; gap: 6px 10px; padding: 8px 10px; }
  nav { order: 3; width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .tab { white-space: nowrap; }
  #whoami { font-size: 13px; }
  main { padding: 10px; }

  /* stack the list and editor instead of side-by-side */
  .split { grid-template-columns: 1fr; }
  .list { max-height: 38vh; }
  .editor { max-height: none; }

  .grid2 { grid-template-columns: 1fr; }       /* one field per row */
  .toolbar { gap: 6px; }
  .toolbar select, .toolbar input { flex: 1 1 auto; min-width: 0; }
  .toolbar input#ingest-id { width: 100%; }

  /* finger-friendly action buttons that wrap */
  .editor .actions button, .toolbar button { padding: 10px 14px; }
  .cards .card { flex: 1 1 130px; }
  table { font-size: 13px; }
  .abstract { max-height: 200px; }
}

/* honour notches / safe areas on phones */
@supports (padding: max(0px)) {
  header { padding-left: max(10px, env(safe-area-inset-left));
           padding-right: max(10px, env(safe-area-inset-right)); }
}