/* War Era Records demo — GenomeLink design language.
   Tokens → atoms → organisms per ux-ui-ia. 8px grid, rem-authored. */

:root {
  /* primitive */
  --navy: #263856;
  --orange: #ff7c11;
  --blue: #4582c9;
  --blue-grey: #6786ac;
  --mist: #e3f6f6;
  --paper: #f9fcff;
  --pink: #ff5395;
  --amber: #fbab02;
  --white: #ffffff;
  --ink-soft: #4d4d4d;
  --line: #c9d6e4;
  /* semantic */
  --color-text: var(--navy);
  --color-text-soft: var(--ink-soft);
  --color-bg: var(--paper);
  --color-surface: var(--white);
  --color-action: var(--orange);
  --color-link: var(--blue);
  --color-border: var(--line);
  --ok: #1e7a34;
  --warn: #9a6a00;
  /* type */
  --font-display: "Lexend Deca", "SF Pro Text", -apple-system, sans-serif;
  --font-body: -apple-system, "SF Pro Text", "Segoe UI", system-ui, sans-serif;
  /* spacing scale (8px base, rem) */
  --space-1: 0.25rem;  --space-2: 0.5rem;  --space-3: 0.75rem; --space-4: 1rem;
  --space-6: 1.5rem;   --space-8: 2rem;    --space-12: 3rem;  --space-16: 4rem;
  /* shape + elevation */
  --radius-card: 12px;
  --radius-chip: 999px;
  --shadow-1: 0 0 0 1px rgba(38,56,86,.06), 0 1px 2px -1px rgba(38,56,86,.06), 0 2px 4px 0 rgba(38,56,86,.04);
  --shadow-2: 0 0 0 1px rgba(38,56,86,.08), 0 4px 12px -2px rgba(38,56,86,.12);
  /* motion */
  --ease-out: cubic-bezier(0.23,1,0.32,1);
}

* { box-sizing: border-box; }
html { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px; line-height: 1.55;
  color: var(--color-text);
  background: linear-gradient(180deg, var(--mist) 0%, var(--paper) 320px);
}
.wrap { max-width: 960px; margin: 0 auto; padding: 0 var(--space-4); }

/* ── top bar ─────────────────────────── */
.topbar {
  background: rgba(255,255,255,.8);
  backdrop-filter: blur(20px) saturate(180%);
  position: sticky; top: 0; z-index: 10;
}
.topbar-in { display: flex; align-items: center; justify-content: space-between; height: 56px; }
.brand { font-family: var(--font-display); font-weight: 600; font-size: 16px; letter-spacing: -0.01em; display: flex; align-items: center; gap: var(--space-2); }
.brand-mark { width: 16px; height: 16px; border-radius: 50%; background: radial-gradient(circle at 35% 35%, var(--pink), var(--orange) 70%); display: inline-block; }
.brand-x { color: var(--blue-grey); font-weight: 400; }

/* top navigation */
.topnav { display: flex; gap: var(--space-2); margin-left: auto; margin-right: var(--space-4); }
.topnav a {
  font: 600 14px var(--font-body); color: var(--color-text-soft); text-decoration: none;
  padding: var(--space-2) var(--space-3); border-radius: 8px; min-height: 32px;
}
.topnav a:hover { color: var(--navy); background: var(--mist); }
.topnav a[aria-current="page"] { color: var(--navy); background: var(--mist); }

/* sources page */
.src-head { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); margin-bottom: var(--space-3); }
.src-head h2 { margin: 0; }
.source p { font-size: 15px; margin: 0 0 var(--space-3); max-width: 72ch; text-wrap: pretty; }
.source .src-sub { font-size: 14px; color: var(--color-text-soft); }
.status-in { background: #e3f4e8; color: var(--ok); }
.status-ready { background: var(--mist); color: var(--navy); }
.status-partner { background: #fdf3d7; color: var(--warn); }
.status-partial { background: #f0e9f7; color: #5b3a8c; }

/* ── chips (atom) ────────────────────── */
.chip {
  font-size: 12px; font-weight: 600; font-family: var(--font-body);
  padding: var(--space-1) var(--space-3); border-radius: var(--radius-chip);
  letter-spacing: 0.02em;
}
.chip-proto { background: var(--mist); color: var(--navy); }
.chip-edition { background: var(--navy); color: var(--white); }

/* ── hero ────────────────────────────── */
.hero { padding: var(--space-12) 0 var(--space-8); }
.hero h1 {
  font-family: var(--font-display); font-weight: 700;
  font-size: 32px; letter-spacing: -0.02em; line-height: 1.2;
  margin: var(--space-3) 0 var(--space-2); text-wrap: balance;
}
.lede { font-size: 20px; color: var(--color-text-soft); max-width: 640px; margin: 0; text-wrap: pretty; }

/* ── panels (organism) ───────────────── */
.panel {
  background: var(--color-surface);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-1);
  padding: var(--space-6);
  margin-bottom: var(--space-6);
}
.panel h2 { font-family: var(--font-display); font-size: 20px; font-weight: 600; margin: 0 0 var(--space-2); letter-spacing: -0.01em; }
.hint { font-size: 14px; color: var(--color-text-soft); margin: 0; }

/* ── task panel ──────────────────────── */
.task-head { margin-bottom: var(--space-4); }
.dropzone {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: var(--space-2); text-align: center;
  min-height: 176px; padding: var(--space-6);
  border: 2px dashed var(--line); border-radius: var(--radius-card);
  background: var(--paper); cursor: pointer;
  transition: border-color 150ms var(--ease-out), background 150ms var(--ease-out);
}
.dropzone:hover, .dropzone:focus-visible { border-color: var(--blue); background: #fff; outline: none; }
.dropzone.dragover { border-color: var(--orange); background: #fff7ef; }
.dz-icon { color: var(--blue); }
.dz-main { font-family: var(--font-display); font-weight: 600; font-size: 16px; }
.dz-alt { font-size: 14px; color: var(--color-text-soft); }
.dz-alt b { color: var(--color-link); }
.dz-file { font-size: 13px; color: var(--ok); font-weight: 600; }
.btn-quiet { box-shadow: none; color: var(--blue-grey); }
.btn-quiet:hover { box-shadow: none; color: var(--navy); text-decoration: underline; }
#pastebox { margin-top: var(--space-4); }
textarea {
  width: 100%; min-height: 176px;
  font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 12px; line-height: 1.6;
  border: 1px solid var(--color-border); border-radius: 8px;
  padding: var(--space-3); background: var(--paper); color: var(--color-text);
  resize: vertical;
}
textarea:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; border-color: var(--blue); }
.task-actions { display: flex; gap: var(--space-3); margin-top: var(--space-4); }

/* ── buttons (atom) ──────────────────── */
.btn {
  font: 600 14px var(--font-body);
  min-height: 40px; padding: 0 var(--space-6);
  border-radius: 8px; border: 0; cursor: pointer;
  transition: transform 150ms var(--ease-out), box-shadow 150ms var(--ease-out);
}
.btn:active { transform: scale(0.96); }
.btn-primary { background: var(--color-action); color: #fff; box-shadow: var(--shadow-1); }
.btn-primary:hover { box-shadow: var(--shadow-2); }
.btn-ghost { background: transparent; color: var(--navy); box-shadow: inset 0 0 0 1px var(--line); }
.btn-ghost:hover { box-shadow: inset 0 0 0 1px var(--blue-grey); }

#results { scroll-margin-top: 72px; }

/* ── summary ─────────────────────────── */
.summary { display: flex; gap: var(--space-8); flex-wrap: wrap; }
.summary .num { font-family: var(--font-display); font-size: 32px; font-weight: 700; font-variant-numeric: tabular-nums; }
.summary .lbl { font-size: 12px; color: var(--color-text-soft); text-transform: uppercase; letter-spacing: 0.06em; }

/* ── group headers ───────────────────── */
.group-head {
  font-family: var(--font-display); font-size: 24px; font-weight: 600; letter-spacing: -0.01em;
  margin: var(--space-8) 0 var(--space-4);
  display: flex; align-items: baseline; gap: var(--space-3);
  scroll-margin-top: 72px;
}
.group-head .count { font-size: 14px; color: var(--color-text-soft); font-family: var(--font-body); font-weight: 400; }

/* ── tier chips (non-color meaning: icon + label) ── */
.tier { font-size: 12px; font-weight: 600; padding: var(--space-1) var(--space-3); border-radius: var(--radius-chip); white-space: nowrap; }
.tier.t1 { background: #e3f4e8; color: var(--ok); }
.tier.t2 { background: #fdf3d7; color: var(--warn); }

/* ── evidence card (organism) ────────── */
.person-name { font-family: var(--font-display); font-size: 20px; font-weight: 600; margin: 0; }
.person-sub { font-size: 14px; color: var(--color-text-soft); margin: var(--space-1) 0 0; }
.evidence { display: grid; grid-template-columns: minmax(0, 300px) 1fr; gap: var(--space-6); margin-top: var(--space-4); }
@media (max-width: 720px) { .evidence { grid-template-columns: 1fr; } }

.doc {
  position: relative; border-radius: 8px; overflow: hidden;
  outline: 1px solid rgba(0,0,0,0.1); outline-offset: -1px;
  background: #eceae4;
}
.doc img { display: block; width: 100%; }
.doc .hl, .zoom-doc .hl {
  position: absolute; border-radius: 4px;
  border: 2px solid var(--orange); background: rgba(255,124,17,.12);
  opacity: 0; transition: opacity 160ms var(--ease-out);
  pointer-events: none;
}
.doc.show-all .hl, .doc .hl.on { opacity: 1; }
.zoom-doc { position: relative; display: inline-block; line-height: 0; }
.zoom-doc .hl { opacity: 1; border-color: var(--pink); background: rgba(255,83,149,.10); pointer-events: auto; cursor: pointer; transition: opacity 160ms var(--ease-out), background 120ms var(--ease-out); }
.zoom-doc .hl:hover { background: rgba(255,83,149,.22); }
.zl-tag {
  position: absolute; z-index: 5; transform: translateY(-100%);
  background: var(--navy); color: #fff;
  font: 600 12px/1.4 var(--font-body); letter-spacing: 0;
  padding: var(--space-2) var(--space-3); border-radius: 8px;
  white-space: nowrap; pointer-events: none;
  box-shadow: var(--shadow-2);
  animation: tipIn 160ms var(--ease-out);
}
.zl-tag .zl-k { color: #b9c8dd; font-weight: 500; }
.doc-toggle { margin-top: var(--space-2); background: none; border: 0; color: var(--color-link); font: 600 12px var(--font-body); cursor: pointer; padding: var(--space-1) 0; min-height: 24px; }

/* field table (molecule) */
.fields { width: 100%; border-collapse: collapse; }
.fields td { padding: var(--space-2) var(--space-2); font-size: 14px; border-bottom: 1px solid var(--mist); vertical-align: top; }
.fields tr { transition: background 120ms var(--ease-out); border-radius: 4px; }
.fields tr:hover, .fields tr:focus-visible { background: var(--mist); cursor: default; outline: none; }
.fields td.k { color: var(--color-text-soft); width: 40%; }
.fields td.v { font-weight: 500; font-variant-numeric: tabular-nums; }

/* match/differ icon chips — the differ is the signal, so it is the loud one */
.vwrap { display: inline-flex; align-items: center; gap: var(--space-2); }
.m {
  display: inline-flex; align-items: center; justify-content: center;
  flex: 0 0 auto;
  width: 20px; height: 20px; border-radius: 50%;
  font-size: 12px; font-weight: 700; line-height: 1; padding: 0;
  position: relative;
}
.m-yes { background: #e3f4e8; color: var(--ok); }
.m-no { background: var(--amber); color: var(--navy); box-shadow: 0 0 0 2px rgba(251,171,2,.35); }

/* CSS tooltips (hover + keyboard focus) */
[data-tip] { position: relative; }
@media (hover: hover) and (pointer: fine) {
  [data-tip]:hover::after, [data-tip]:focus-visible::after {
    content: attr(data-tip);
    position: absolute; bottom: calc(100% + 8px); left: 50%; transform: translateX(-50%);
    background: var(--navy); color: #fff; font: 500 12px/1.4 var(--font-body);
    padding: var(--space-2) var(--space-3); border-radius: 8px;
    width: max-content; max-width: 260px; white-space: normal; text-align: center;
    z-index: 20; pointer-events: none;
    animation: tipIn 160ms var(--ease-out);
  }
}
@keyframes tipIn { from { opacity: 0; transform: translateX(-50%) translateY(4px); } to { opacity: 1; transform: translateX(-50%) translateY(0); } }

/* summary as navigation */
.summary .sum { text-decoration: none; color: inherit; border-radius: 8px; padding: var(--space-2) var(--space-3); }
.summary .sum:hover, .summary .sum:focus-visible { background: var(--mist); outline: none; }
.demo-note { font-size: 12px; color: var(--blue-grey); margin: calc(-1 * var(--space-4)) 0 var(--space-6); }

/* zoom dialog */
#zoomdlg { border: 0; border-radius: var(--radius-card); padding: var(--space-4); max-width: 92vw; max-height: 92vh; background: var(--paper); }
#zoomdlg::backdrop { background: rgba(38,56,86,.5); backdrop-filter: blur(4px); }
#zoomdlg img { max-width: 86vw; max-height: 80vh; display: block; border-radius: 8px; }
.zoom-hint { font-size: 12px; color: var(--color-text-soft); text-align: center; margin: var(--space-2) 0 0; }
.src-link { font-size: 12px; margin-top: var(--space-3); }
.src-link a { color: var(--color-link); }

/* ── not-found group ─────────────────── */
.notfound .nf-item { padding: var(--space-2) 0; font-size: 14px; display: flex; justify-content: space-between; gap: var(--space-4); border-bottom: 1px dashed var(--line); }
.notfound .nf-item:last-child { border-bottom: 0; }
.nf-tag { font-size: 12px; color: var(--color-text-soft); font-style: italic; }
.nf-caveat { font-size: 13px; color: var(--color-text-soft); margin-top: var(--space-4); }

/* ── note + footer ───────────────────── */
.note-list { margin: 0; padding-left: var(--space-6); }
.note-list li { font-size: 14px; color: var(--color-text-soft); margin-bottom: var(--space-2); }
.note-list b { color: var(--color-text); }
.foot { padding: var(--space-4) 0 var(--space-16); }
.foot p { font-size: 12px; color: var(--blue-grey); max-width: 720px; line-height: 1.6; }

.empty { color: var(--color-text-soft); font-size: 14px; font-style: italic; }

@media (prefers-reduced-motion: reduce) {
  .btn, .doc .hl, .fields tr { transition: none; }
}