:root {
  --ink: #1b2430;
  --ink-soft: #4c5866;
  --paper: #f6f4ef;
  --panel: #ffffff;
  --line: #dcd7cc;
  --navy: #26456f;
  --navy-deep: #1a3252;
  --signal: #d9531e;
  --signal-soft: #fbe6db;
  --good: #2f7a4f;
  --good-soft: #e5f3ea;
  --bad: #b23a2e;
  --bad-soft: #fbe9e6;
  --radius: 10px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 56px 24px 80px;
}

/* ---------- Hero ---------- */

.hero {
  text-align: left;
  margin-bottom: 40px;
  border-bottom: 3px solid var(--navy);
  padding-bottom: 28px;
}

.hero-mark {
  color: var(--signal);
  margin-bottom: 12px;
}

.hero h1 {
  margin: 0 0 10px;
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--navy-deep);
}

.hero-sub {
  margin: 0;
  max-width: 56ch;
  color: var(--ink-soft);
  font-size: 15px;
}

/* ---------- Dropzone ---------- */

.dropzone {
  background: var(--panel);
  border: 2px dashed var(--line);
  border-radius: var(--radius);
  padding: 48px 24px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.dropzone:hover,
.dropzone:focus-visible {
  border-color: var(--navy);
  background: #fbfaf7;
  outline: none;
}

.dropzone.dragover {
  border-color: var(--signal);
  background: var(--signal-soft);
}

.dz-icon {
  color: var(--navy);
  margin-bottom: 8px;
}

.dz-title {
  margin: 4px 0 6px;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
}

.dz-link {
  color: var(--navy);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.dz-hint {
  margin: 0;
  font-size: 13px;
  color: var(--ink-soft);
}

/* ---------- Results ---------- */

.results {
  margin-top: 28px;
}

.results h2 {
  font-size: 14px;
  text-transform: none;
  letter-spacing: 0;
  color: var(--ink-soft);
  font-weight: 600;
  margin: 0 0 12px;
}

.results-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.result-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 18px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.result-status {
  flex: none;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 700;
  margin-top: 2px;
}

.result-status.ok { background: var(--good-soft); color: var(--good); }
.result-status.error { background: var(--bad-soft); color: var(--bad); }
.result-status.empty { background: #eee; color: var(--ink-soft); }

.result-body { flex: 1; min-width: 0; }

.result-name {
  font-weight: 600;
  word-break: break-word;
  margin: 0 0 4px;
}

.result-detail {
  margin: 0;
  font-size: 13.5px;
  color: var(--ink-soft);
}

.result-warnings {
  margin: 8px 0 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: #92600f;
}
.result-warnings li::before {
  content: "\2022";
  margin-right: 6px;
  color: #d99a2b;
}

.result-download {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 10px;
  padding: 8px 14px;
  background: var(--navy);
  color: #fff;
  text-decoration: none;
  border-radius: 6px;
  font-size: 13.5px;
  font-weight: 600;
}
.result-download:hover { background: var(--navy-deep); }

/* ---------- Empty note ---------- */

.empty-note {
  margin-top: 28px;
  color: var(--ink-soft);
  font-size: 14px;
}

.results[hidden] + .empty-note { display: block; }
.results:not([hidden]) + .empty-note { display: none; }

/* ---------- Footer / details ---------- */

.foot {
  margin-top: 56px;
  border-top: 1px solid var(--line);
  padding-top: 20px;
}

.foot details summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--navy);
  font-size: 14px;
}

.foot ul {
  margin: 14px 0 0;
  padding-left: 20px;
  color: var(--ink-soft);
  font-size: 13.5px;
  line-height: 1.6;
}

.foot code {
  background: #efece3;
  padding: 1px 5px;
  border-radius: 4px;
  font-size: 12.5px;
}

@media (max-width: 480px) {
  .wrap { padding: 36px 16px 60px; }
  .hero h1 { font-size: 23px; }
  .dropzone { padding: 36px 16px; }
}