/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ── Variables ── */
:root {
  --bg: #f5f6f8;
  --surface: #ffffff;
  --border: #e2e5ea;
  --text: #1a1d23;
  --text-muted: #6b7280;
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --pass: #059669;
  --pass-bg: #ecfdf5;
  --fail: #dc2626;
  --fail-bg: #fef2f2;
  --error: #d97706;
  --error-bg: #fffbeb;
  --skip: #6b7280;
  --skip-bg: #f3f4f6;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
}

/* ── Nav ── */
nav {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: .75rem 0;
}
.nav-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text);
  text-decoration: none;
}
.nav-links a {
  margin-left: 1.5rem;
  color: var(--text-muted);
  text-decoration: none;
  font-size: .9rem;
  font-weight: 500;
}
.nav-links a:hover { color: var(--primary); }

/* ── Main ── */
main {
  max-width: 960px;
  margin: 2rem auto;
  padding: 0 1.5rem;
}

/* ── Card ── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
}

h1 { font-size: 1.5rem; font-weight: 700; margin-bottom: .25rem; }
h2 { font-size: 1.15rem; font-weight: 600; margin: 1.75rem 0 .75rem; }
.subtitle { color: var(--text-muted); margin-bottom: 1.5rem; font-size: .95rem; }

/* ── Form ── */
.form-group { margin-bottom: 1rem; }
.form-group label {
  display: block;
  font-weight: 500;
  font-size: .85rem;
  margin-bottom: .35rem;
  color: var(--text-muted);
}
.form-group input[type="text"] {
  width: 100%;
  max-width: 320px;
  padding: .5rem .75rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: .95rem;
}
.form-group input[type="file"] {
  font-size: .9rem;
}
.file-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
@media (max-width: 600px) {
  .file-row { grid-template-columns: 1fr; }
}

.btn {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  border: none;
  padding: .6rem 1.5rem;
  border-radius: 6px;
  font-size: .95rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: background .15s;
}
.btn:hover { background: var(--primary-hover); }

/* ── Alert ── */
.alert { padding: .75rem 1rem; border-radius: 6px; margin-bottom: 1rem; font-size: .9rem; }
.alert-error { background: var(--fail-bg); color: var(--fail); border: 1px solid #fecaca; }

/* ── Summary grid ── */
.summary-grid {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-bottom: 1rem;
}
.summary-item {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: .5rem 1rem;
  min-width: 120px;
  text-align: center;
}
.summary-label {
  display: block;
  font-size: .75rem;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--text-muted);
  margin-bottom: .15rem;
}
.summary-value { font-size: 1.3rem; font-weight: 700; }

/* ── Result blocks ── */
.result-block {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: .75rem 1rem;
  margin-bottom: .5rem;
}
.result-block.status-pass { border-left: 4px solid var(--pass); }
.result-block.status-fail { border-left: 4px solid var(--fail); }
.result-block.status-error { border-left: 4px solid var(--error); }
.result-block.status-skip { border-left: 4px solid var(--skip); }

.result-header {
  display: flex;
  align-items: center;
  gap: .75rem;
  font-weight: 600;
}
.utac { font-family: monospace; }
.reasons { font-size: .85rem; color: var(--text-muted); margin-top: .35rem; }

details { margin-top: .5rem; }
details summary {
  cursor: pointer;
  font-size: .85rem;
  color: var(--primary);
  font-weight: 500;
}
details pre {
  margin-top: .5rem;
  background: var(--bg);
  padding: .75rem;
  border-radius: 6px;
  font-size: .8rem;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-all;
}

/* ── Badges ── */
.badge {
  display: inline-block;
  padding: .15rem .55rem;
  border-radius: 4px;
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .03em;
}
.badge-pass { background: var(--pass-bg); color: var(--pass); }
.badge-fail { background: var(--fail-bg); color: var(--fail); }
.badge-warn { background: #fff3cd; color: #856404; }
.warn-icon { color: #b8860b; font-size: .95rem; margin-left: .3rem; cursor: default; }
.badge-error { background: var(--error-bg); color: var(--error); }
.badge-skip { background: var(--skip-bg); color: var(--skip); }

/* ── Tables ── */
.table-wrap { overflow-x: auto; }
table {
  width: 100%;
  border-collapse: collapse;
  font-size: .85rem;
}
th, td {
  text-align: left;
  padding: .5rem .75rem;
  border-bottom: 1px solid var(--border);
}
th {
  font-weight: 600;
  color: var(--text-muted);
  font-size: .75rem;
  text-transform: uppercase;
  letter-spacing: .04em;
}
tr.status-fail { background: var(--fail-bg); }
tr.status-error { background: var(--error-bg); }
.mono { font-family: monospace; }
.empty { color: var(--text-muted); font-style: italic; }

/* ── Event types ── */
.event-type {
  display: inline-block;
  padding: .1rem .4rem;
  border-radius: 3px;
  font-size: .75rem;
  font-weight: 600;
  font-family: monospace;
  background: var(--bg);
  border: 1px solid var(--border);
}
.reasons-cell { font-size: .8rem; color: var(--text-muted); max-width: 200px; word-break: break-word; }
.mirror-col { color: var(--primary); font-style: italic; }

/* ── Mirror match card (full-width, outside the grid) ── */
.mirror-match-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: .75rem 1rem;
  margin: .75rem 0;
}
.mirror-match-card h4 {
  font-size: .7rem;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--text-muted);
  margin: 0 0 .5rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: .25rem;
}

/* ── Characteristics section ── */
.chars-section {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: .75rem;
  margin: .75rem 0;
}
.chars-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: .6rem .8rem;
}
.chars-card h4 {
  font-size: .7rem;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--text-muted);
  margin-bottom: .4rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: .25rem;
}
.chars-table { width: 100%; border-collapse: collapse; }
.chars-table td {
  padding: .15rem 0;
  font-size: .82rem;
  border: none;
}
.chars-table td:first-child { color: var(--text-muted); padding-right: .5rem; }
.chars-table td:last-child { text-align: right; }

/* ── Key-value grid (test level) ── */
.kv-grid {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem .75rem;
  margin: .5rem 0;
}
.kv { font-size: .85rem; }
.kv-k { color: var(--text-muted); margin-right: .3rem; }
.kv-v { font-weight: 600; font-family: monospace; }
.warn-text { color: #856404; }
.pass-text { color: var(--pass); font-weight: 600; }
.fail-text { color: var(--fail); font-weight: 600; }

/* ── Filter bar ── */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  align-items: center;
  margin-bottom: .75rem;
  padding: .5rem .75rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
}
.filter-bar label {
  font-size: .8rem;
  font-weight: 500;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: .35rem;
}
.filter-bar select, .filter-bar input[type="text"] {
  padding: .3rem .5rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: .82rem;
  background: var(--surface);
}

/* ── Check pills ── */
.checks-cell { display: flex; flex-wrap: wrap; gap: .25rem; }
.check-pill {
  display: inline-block;
  padding: .1rem .4rem;
  border-radius: 3px;
  font-size: .7rem;
  font-family: monospace;
  white-space: nowrap;
}
.check-pass { background: var(--pass-bg); color: var(--pass); border: 1px solid #a7f3d0; }
.check-fail { background: var(--fail-bg); color: var(--fail); border: 1px solid #fecaca; }

/* ── Clickable rows ── */
.clickable-row:hover { background: #eef2ff; }

/* ── Loading spinner ── */
.spinner {
  display: none;
  margin-left: .75rem;
  width: 18px; height: 18px;
  border: 2px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin .6s linear infinite;
  vertical-align: middle;
}
@keyframes spin { to { transform: rotate(360deg); } }
.btn-row { display: flex; align-items: center; }
.btn-row .spinner.active { display: inline-block; }