:root {
  --bg: #f6f7f9;
  --card: #ffffff;
  --text: #16181d;
  --muted: #5d6573;
  --line: #e2e5ea;
  --accent: #ff5a1f;
  --accent-ink: #ffffff;
  --accent-soft: #fff1ea;
  --warn-bg: #fff7e0;
  --warn-line: #f1c95a;
  --err-bg: #fdecec;
  --err-line: #e5a0a0;
  --ok: #1a8a4a;
  --danger: #c62828;
  --shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 4px 16px rgba(16, 24, 40, .06);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111317;
    --card: #1a1d23;
    --text: #eceef2;
    --muted: #9aa3b2;
    --line: #2c313a;
    --accent: #ff7a45;
    --accent-ink: #1a0d06;
    --accent-soft: #2d1d15;
    --warn-bg: #2b2412;
    --warn-line: #7a6320;
    --err-bg: #2d1717;
    --err-line: #7a3434;
    --ok: #4cc987;
    --danger: #e5484d;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--accent); }
.wrap { max-width: 1120px; margin: 0 auto; padding-inline: 20px; }
.muted { color: var(--muted); }

.topbar { background: var(--card); border-bottom: 1px solid var(--line); }
.topbar-inner { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-block: 12px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 650; }
.brand-mark { font-size: 1.4rem; }
.lang { display: flex; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; flex-shrink: 0; }
.lang button { border: 0; background: transparent; color: var(--muted); padding: 6px 12px; font: inherit; font-size: .85rem; cursor: pointer; }
.lang button[aria-pressed="true"] { background: var(--accent); color: var(--accent-ink); font-weight: 600; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; box-shadow: var(--shadow); }
main { padding-block: 24px 8px; display: grid; gap: 24px; }

.hero { padding: 28px; }
.hero h1 { margin: 0 0 8px; font-size: clamp(1.5rem, 3vw, 2rem); line-height: 1.2; }
.lead { margin: 0 0 10px; font-size: 1.05rem; color: var(--muted); max-width: 70ch; }
.privacy { margin: 0 0 16px; font-size: .92rem; color: var(--muted); }
.warning { background: var(--warn-bg); border: 1px solid var(--warn-line); border-radius: 10px; padding: 10px 14px; margin-bottom: 16px; }
.warning strong { display: block; }
.steps { margin: 0 0 20px; padding-left: 1.3em; }
.steps li { margin: 4px 0; }

.actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border-radius: 10px; padding: 11px 18px; font: inherit; font-weight: 600;
  cursor: pointer; border: 1px solid var(--line); background: var(--card); color: var(--text);
  text-decoration: none;
}
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.primary:hover { filter: brightness(1.05); }
.btn.ghost:hover { border-color: var(--accent); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn.small { padding: 6px 12px; font-size: .88rem; }
.btn:focus-visible, .lang button:focus-visible, .run:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

.note { margin: 12px 0 0; font-size: .92rem; color: var(--muted); }
.hint { font-size: .85rem; }

.status { margin-top: 18px; }
.status-line { font-weight: 600; margin-bottom: 8px; }
.bar { height: 8px; background: var(--line); border-radius: 99px; overflow: hidden; }
#bar-fill { height: 100%; width: 0; background: var(--accent); transition: width .2s; }
.bar.indeterminate #bar-fill { width: 35%; animation: slide 1.1s ease-in-out infinite; }
@keyframes slide { from { transform: translateX(-100%); } to { transform: translateX(300%); } }
.error { margin-top: 16px; background: var(--err-bg); border: 1px solid var(--err-line); border-radius: 10px; padding: 12px 14px; }
.error p { margin: 4px 0; }
.report { font-size: .92rem; }
.report a { font-weight: 600; }
.logs-toggle { margin-top: 14px; }
.linklike { background: none; border: 0; padding: 0; font: inherit; font-size: .88rem; color: var(--accent); text-decoration: underline; cursor: pointer; }
.logs { margin-top: 10px; }
.logs-actions { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin: 8px 0; }
#logs-text {
  margin: 0; max-height: 360px; overflow: auto; padding: 12px; border-radius: 10px;
  background: var(--bg); border: 1px solid var(--line);
  font: 12px/1.45 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; white-space: pre;
}

.results-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; }
.results-head h2 { margin: 0; }
.results-actions { display: flex; flex-wrap: wrap; gap: 10px; }
#verify-note { margin-top: 6px; }
#verify-note.ok { color: var(--ok); }

.layout { display: grid; grid-template-columns: minmax(0, 380px) minmax(0, 1fr); gap: 20px; margin-top: 16px; align-items: start; }
.runs { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.run {
  background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px;
  cursor: pointer; box-shadow: var(--shadow);
}
.run[aria-selected="true"] { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-soft), var(--shadow); }
.run-date { font-weight: 650; }
.run-time { color: var(--muted); font-size: .9rem; }
.stats { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px 12px; margin: 10px 0; }
.stat span { display: block; font-size: .75rem; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.stat b { font-size: 1.05rem; font-variant-numeric: tabular-nums; }
.badges { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 8px; }
.badge { font-size: .75rem; padding: 2px 8px; border-radius: 99px; background: var(--accent-soft); color: var(--text); border: 1px solid var(--line); }
.run-actions { display: flex; flex-wrap: wrap; gap: 8px; }

.detail { overflow: hidden; position: sticky; top: 16px; }
.map { height: 420px; background: var(--line); }
.map-empty { margin: 0; padding: 40px 20px; text-align: center; color: var(--muted); }
.chart-wrap { padding: 14px 16px 16px; border-top: 1px solid var(--line); }
.chart-head { display: flex; justify-content: space-between; gap: 12px; font-weight: 600; font-size: .92rem; margin-bottom: 6px; }
#chart { width: 100%; display: block; }

.erase { margin-top: 24px; padding: 20px 24px; border-color: var(--err-line); }
.erase h3 { margin: 0 0 6px; color: var(--danger); }
.erase p { margin: 0 0 8px; }
.erase-steps { margin: 12px 0 0; padding-left: 1.3em; display: grid; gap: 12px; }
.erase-steps li > * { vertical-align: middle; }
.erase-steps input { margin-left: 6px; padding: 7px 10px; border-radius: 8px; border: 1px solid var(--line); background: var(--bg); color: var(--text); font: inherit; width: 12ch; }
.btn.danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn.danger:disabled { background: var(--card); color: var(--muted); border-color: var(--line); }
.ok-text { color: var(--ok); font-weight: 600; font-size: .9rem; margin-left: 6px; }
.erase-status { margin-top: 14px; padding: 12px 14px; border-radius: 10px; border: 1px solid var(--line); background: var(--bg); }
.erase-status.ok { border-color: var(--ok); }
.erase-status.bad { background: var(--err-bg); border-color: var(--err-line); }
.erase-status p { margin: 4px 0; }

.tools { padding: 20px 24px; }
.tools h2 { margin: 0 0 4px; font-size: 1.2rem; }
.tools .note { margin: 0 0 12px; }
.tools-info { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 10px 20px; margin: 14px 0 0; }
.tools-info dt { font-size: .75rem; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.tools-info dd { margin: 2px 0 0; font-weight: 600; font-variant-numeric: tabular-nums; }
#tools-drift { margin-top: 10px; }
#tools-drift.bad { color: var(--danger); font-weight: 600; }
.tools-status { margin-top: 12px; padding: 10px 14px; border-radius: 10px; border: 1px solid var(--line); background: var(--bg); }
.tools-status.ok { border-color: var(--ok); }
.tools-status.bad { background: var(--err-bg); border-color: var(--err-line); }
.tools-status p { margin: 4px 0; }

.faq { padding: 20px 24px; }
.faq h2 { margin: 0 0 8px; font-size: 1.2rem; }
.faq details { border-top: 1px solid var(--line); padding: 10px 0; }
.faq summary { cursor: pointer; font-weight: 600; }
.faq p { margin: 8px 0 0; color: var(--muted); }

.footer { padding-block: 16px 32px; color: var(--muted); font-size: .88rem; }

.dropzone {
  position: fixed; inset: 0; z-index: 2000; display: grid; place-items: center;
  background: rgba(255, 90, 31, .15); border: 4px dashed var(--accent);
  font-size: 1.4rem; font-weight: 700; color: var(--text);
}

@media (max-width: 820px) {
  .layout { grid-template-columns: minmax(0, 1fr); }
  .detail { position: static; order: -1; }
  .map { height: 300px; }
  .hero { padding: 20px; }
}