:root {
  --blue-700: #1d4ed8;
  --blue-600: #2563eb;
  --blue-500: #3b82f6;
  --blue-200: #bfdbfe;
  --blue-100: #dbeafe;
  --blue-50: #eff6ff;
  --ink: #0f172a;
  --text: #1e293b;
  --muted: #64748b;
  --line: #e2e8f0;
  --bg: #f4f7fd;
  --card: #ffffff;
  --ok: #0f766e;
  --ok-bg: #ccfbf1;
  --warn: #b45309;
  --warn-bg: #fef3c7;
  --error: #b91c1c;
  --error-bg: #fee2e2;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(15, 23, 42, 0.04), 0 4px 16px rgba(37, 99, 235, 0.06);
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

body {
  margin: 0;
  font-family: "Inter", -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  font-weight: 400;
  font-size: 15px;
  line-height: 1.55;
  color: var(--text);
  background: var(--bg);
}

.wrap { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

.topbar {
  background: linear-gradient(90deg, var(--blue-700), var(--blue-500));
  color: #fff;
}
.topbar-inner { display: flex; align-items: center; justify-content: space-between; height: 56px; }
.brand { font-weight: 600; letter-spacing: 0.2px; display: flex; align-items: center; gap: 10px; }
.brand-mark { width: 14px; height: 14px; border-radius: 4px; background: #fff; opacity: 0.9; transform: rotate(45deg); }
.model { font-size: 13px; font-weight: 300; opacity: 0.9; }

.intro { padding: 32px 0 20px; }
.intro h1 { margin: 0 0 8px; font-size: 26px; font-weight: 600; color: var(--ink); letter-spacing: -0.3px; }
.intro p { margin: 0; max-width: 820px; color: var(--muted); font-weight: 300; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  animation: fade-in 0.25s ease-out;
}
.card-title { font-weight: 600; color: var(--ink); font-size: 15px; }
.card-head { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.card-head .card-title { flex: 1; }
.muted { color: var(--muted); font-weight: 300; font-size: 14px; }

.start { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

.dropzone {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  min-height: 230px; text-align: center; cursor: pointer;
  border: 2px dashed var(--blue-200); background: var(--blue-50);
  transition: background 0.2s, border-color 0.2s, transform 0.2s;
}
.dropzone:hover, .dropzone:focus-visible { border-color: var(--blue-500); background: var(--blue-100); outline: none; }
.dropzone.dragover { border-color: var(--blue-600); background: var(--blue-100); transform: scale(1.01); }
.drop-plus {
  width: 56px; height: 56px; border-radius: 50%; margin-bottom: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 32px; font-weight: 300; color: #fff; background: var(--blue-600);
}
.drop-title { font-weight: 500; color: var(--ink); }
.drop-hint { color: var(--muted); font-size: 13px; font-weight: 300; margin-top: 4px; }

.examples-list { display: grid; gap: 10px; margin-top: 12px; }
.example {
  display: flex; align-items: center; gap: 12px; width: 100%; text-align: left;
  padding: 12px 14px; border: 1px solid var(--line); border-radius: 10px; background: #fff;
  cursor: pointer; font: inherit; color: inherit; transition: border-color 0.2s, background 0.2s;
}
.example:hover { border-color: var(--blue-500); background: var(--blue-50); }
.example-text { flex: 1; }
.example-title { font-weight: 500; color: var(--ink); }
.example-note { font-size: 13px; color: var(--muted); font-weight: 300; }
.example-link { font-size: 13px; color: var(--blue-600); text-decoration: none; white-space: nowrap; }
.example-link:hover { text-decoration: underline; }

.format { margin-top: 14px; font-size: 13px; color: var(--muted); }
.format summary { cursor: pointer; color: var(--blue-600); }
.format pre {
  background: var(--blue-50); border-radius: 8px; padding: 12px; overflow-x: auto;
  font-size: 12px; color: var(--text); margin: 10px 0 6px;
}

.notice {
  margin-top: 20px; padding: 12px 16px; border-radius: 10px;
  background: var(--error-bg); color: var(--error); animation: fade-in 0.2s ease-out;
}

.parse { margin-top: 20px; }
.parse .card-head { margin-bottom: 10px; }
.tabs { display: flex; flex-wrap: wrap; gap: 8px; }
.tab {
  display: flex; align-items: center; gap: 8px; padding: 8px 12px;
  border: 1px solid var(--line); border-radius: 999px; background: #fff;
  font: inherit; font-size: 14px; color: var(--text); cursor: pointer; transition: border-color 0.2s, background 0.2s;
}
.tab:hover { border-color: var(--blue-500); }
.tab.active { border-color: var(--blue-600); background: var(--blue-50); color: var(--blue-700); }
.tab-error { cursor: default; color: var(--error); background: var(--error-bg); border-color: transparent; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--line); flex: none; }
.dot.loading { background: var(--blue-500); animation: pulse 1s infinite ease-in-out; }
.dot.ok { background: var(--ok); }
.dot.needs_review { background: var(--warn); }
.dot.error { background: var(--error); }

#result { margin-top: 20px; }
.result-head { display: flex; align-items: center; flex-wrap: wrap; gap: 16px; }
.result-name { font-weight: 600; font-size: 18px; color: var(--ink); flex: 1; min-width: 240px; }
.pill { padding: 4px 10px; border-radius: 999px; font-size: 13px; font-weight: 500; }
.pill.ok { color: var(--ok); background: var(--ok-bg); }
.pill.needs_review { color: var(--warn); background: var(--warn-bg); }
.progress { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--muted); }
.bar { width: 120px; height: 6px; border-radius: 3px; background: var(--blue-100); overflow: hidden; }
.bar-fill { height: 100%; background: var(--blue-600); border-radius: 3px; transition: width 0.4s ease; }

.loading { display: flex; align-items: center; gap: 16px; margin-top: 16px; }
.spinner {
  width: 28px; height: 28px; border-radius: 50%; flex: none;
  border: 3px solid var(--blue-100); border-top-color: var(--blue-600);
  animation: spin 0.8s linear infinite;
}
.error-card { margin-top: 16px; color: var(--error); background: var(--error-bg); border-color: transparent; }

.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 16px; align-items: start; }
.col { display: grid; gap: 20px; }

.counter { font-size: 13px; color: var(--muted); font-weight: 300; }
.counter.bad { color: var(--error); font-weight: 500; }
.seo-title { margin: 0; font-size: 18px; font-weight: 500; color: var(--ink); }
.seo-description p { margin: 0 0 10px; font-weight: 300; color: var(--text); }
.seo-description p:last-child { margin-bottom: 0; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { padding: 6px 12px; border-radius: 999px; background: var(--blue-50); color: var(--blue-700); font-size: 14px; }

button { font: inherit; cursor: pointer; border-radius: 8px; transition: background 0.2s, border-color 0.2s, color 0.2s; }
button.ghost { border: 1px solid var(--line); background: #fff; color: var(--blue-600); padding: 4px 10px; font-size: 13px; }
button.ghost:hover { border-color: var(--blue-500); background: var(--blue-50); }
button.ghost.done { color: var(--ok); border-color: var(--ok-bg); background: var(--ok-bg); }
.downloads { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 12px; }
button.primary { border: none; background: var(--blue-600); color: #fff; padding: 9px 16px; font-weight: 500; }
button.primary:hover { background: var(--blue-700); }
button.secondary { border: 1px solid var(--blue-200); background: var(--blue-50); color: var(--blue-700); padding: 9px 16px; font-weight: 500; }
button.secondary:hover { background: var(--blue-100); }

.legend { display: flex; gap: 6px; flex-wrap: wrap; }
.source { font-size: 12px; padding: 2px 8px; border-radius: 999px; white-space: nowrap; }
.source-specs { background: var(--blue-50); color: var(--blue-700); }
.source-description { background: var(--warn-bg); color: var(--warn); }
.source-none { background: #f1f5f9; color: var(--muted); }

.specs { width: 100%; border-collapse: collapse; font-size: 14px; }
.specs td { padding: 8px 6px; border-top: 1px solid var(--line); vertical-align: top; }
.specs tr:first-child td { border-top: none; }
.specs td.spec-name { color: var(--muted); width: 40%; }
.specs td.spec-name .source { display: inline-block; margin-top: 4px; font-size: 11px; }
.specs td.spec-value { color: var(--ink); }
.specs td.spec-value.empty { color: var(--muted); font-style: italic; font-weight: 300; }

.manager { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 8px; }
.manager h4 { margin: 0 0 6px; font-size: 13px; font-weight: 500; color: var(--blue-700); text-transform: uppercase; letter-spacing: 0.4px; }
.manager ul, .review { margin: 0; padding-left: 18px; }
.manager li, .review li { margin: 4px 0; font-weight: 300; }

.review-card { border-left: 4px solid var(--warn); }
.review li.important { font-weight: 500; color: var(--warn); }
.review li.ok-line { list-style: none; margin-left: -18px; color: var(--ok); }
.review { margin-top: 8px; }

.footer { padding: 32px 24px 40px; color: var(--muted); font-size: 13px; font-weight: 300; }

@keyframes fade-in { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.3; } }

@media (max-width: 900px) {
  .start, .grid, .manager { grid-template-columns: 1fr; }
  .intro h1 { font-size: 22px; }
}

@media (max-width: 600px) {
  .wrap { padding: 0 16px; }
  .card-head { flex-wrap: wrap; }
  .parse .card-head { flex-direction: column; align-items: flex-start; gap: 4px; }
  .specs td.spec-name { width: 45%; }
}