:root {
  --bg: #f6f5f1;
  --surface: #ffffff;
  --ink: #1c1a17;
  --ink-soft: #5d574e;
  --line: #e2ded4;
  --accent: #2b6cb0;
  --accent-ink: #ffffff;
  --good: #2f7d4f;
  --warn: #9a6b12;
  --radius: 10px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #171614;
    --surface: #211f1c;
    --ink: #f0ede7;
    --ink-soft: #a8a196;
    --line: #35322d;
    --accent: #6ea8dd;
    --accent-ink: #10222f;
    --good: #7bc396;
    --warn: #d8ad5a;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.wrap { width: 100%; max-width: 860px; margin: 0 auto; padding: 0 20px; }

.topbar { border-bottom: 1px solid var(--line); background: var(--surface); padding: 28px 0 24px; }
.topbar h1 { margin: 0 0 6px; font-size: 24px; letter-spacing: -0.01em; }
.tagline { margin: 0; color: var(--ink-soft); font-size: 15px; max-width: 62ch; }

main { padding: 28px 0 8px; }

/* Dropzone */
.dropzone {
  border: 2px dashed var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 42px 20px;
  text-align: center;
  cursor: pointer;
  transition: border-color .15s, background .15s;
}
.dropzone:hover, .dropzone:focus-visible { border-color: var(--accent); outline: none; }
.dropzone.is-over { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 8%, var(--surface)); }
.dz-icon { display: block; font-size: 26px; color: var(--ink-soft); margin-bottom: 8px; }
.dz-title { margin: 0 0 4px; font-weight: 600; }
.dz-sub { margin: 0; color: var(--ink-soft); font-size: 14px; }
.link { color: var(--accent); text-decoration: underline; }

.status { min-height: 22px; margin: 14px 0 0; font-size: 14px; color: var(--ink-soft); }
.status.error { color: #b3261e; font-weight: 600; }
@media (prefers-color-scheme: dark) { .status.error { color: #f2a29c; } }

/* Results */
.results { margin-top: 22px; }

.filebar {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  flex-wrap: wrap; margin-bottom: 14px;
}
.filename { font-weight: 600; word-break: break-all; }
.pill {
  display: inline-block; margin-left: 8px; padding: 2px 9px; border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 15%, transparent);
  color: var(--accent); font-size: 12px; font-weight: 600; letter-spacing: .02em;
  vertical-align: middle;
}

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; }
.stat {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 14px 16px;
}
.stat .n { display: block; font-size: 26px; font-weight: 700; letter-spacing: -0.02em; line-height: 1.2; }
.stat .l { display: block; font-size: 13px; color: var(--ink-soft); margin-top: 2px; }
.stat.kept .n { color: var(--good); }
.stat.noemail .n { color: var(--warn); }

.actions { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin: 20px 0 4px; }
.btn {
  background: var(--accent); color: var(--accent-ink); border: 0;
  padding: 11px 20px; border-radius: var(--radius); font-size: 15px; font-weight: 600;
  cursor: pointer;
}
.btn:hover { filter: brightness(1.08); }
.btn:disabled { opacity: .45; cursor: not-allowed; filter: none; }
.btn-ghost {
  background: transparent; border: 1px solid var(--line); color: var(--ink-soft);
  padding: 7px 14px; border-radius: var(--radius); font-size: 14px; cursor: pointer;
}
.btn-ghost:hover { color: var(--ink); border-color: var(--ink-soft); }
.outname { font-size: 13px; color: var(--ink-soft); word-break: break-all; }

/* Panels */
.panel {
  margin-top: 16px; background: var(--surface);
  border: 1px solid var(--line); border-radius: var(--radius); padding: 0;
}
.panel > summary {
  cursor: pointer; padding: 13px 16px; font-weight: 600; font-size: 15px; list-style: none;
}
.panel > summary::-webkit-details-marker { display: none; }
.panel > summary::before { content: "\25B8"; display: inline-block; margin-right: 8px; color: var(--ink-soft); transition: transform .15s; }
.panel[open] > summary::before { transform: rotate(90deg); }
.panel .count { color: var(--ink-soft); font-weight: 400; font-size: 13px; }
.panel-note { margin: 0 16px 12px; font-size: 13.5px; color: var(--ink-soft); max-width: 70ch; }

.tablewrap { overflow-x: auto; border-top: 1px solid var(--line); max-height: 420px; overflow-y: auto; }
table { border-collapse: collapse; width: 100%; font-size: 13px; }
th, td {
  text-align: left; padding: 7px 12px; border-bottom: 1px solid var(--line);
  white-space: nowrap; max-width: 320px; overflow: hidden; text-overflow: ellipsis;
}
thead th { position: sticky; top: 0; background: var(--surface); font-weight: 600; z-index: 1; }
tbody tr:last-child td { border-bottom: 0; }
td.num { text-align: right; color: var(--ink-soft); font-variant-numeric: tabular-nums; }
.more { padding: 9px 12px; font-size: 13px; color: var(--ink-soft); }

/* Rules */
.rules { margin: 38px 0 10px; padding-top: 26px; border-top: 1px solid var(--line); }
.rules h2 { font-size: 17px; margin: 0 0 14px; }
.rulegrid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 12px; }
.rulecard { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; }
.rulecard h3 { margin: 0 0 6px; font-size: 14px; }
.rulecard p { margin: 0; font-size: 14px; color: var(--ink-soft); }
.rules-note { font-size: 13.5px; color: var(--ink-soft); margin: 14px 0 0; max-width: 72ch; }

.foot { padding: 30px 20px 40px; color: var(--ink-soft); font-size: 13px; }
.foot p { margin: 0; }