:root {
  --bg: #f6f8fa;
  --surface: #ffffff;
  --border: #d0d7de;
  --border-muted: #e1e4e8;
  --text: #2c3e50;
  --muted: #57606a;
  --green: #1a7f37;
  --red: #cf222e;
  --yellow: #9a6700;
  --accent: #2196f3;
  --accent-hover: #1976d2;
  --shadow: 0 18px 42px rgba(44, 62, 80, 0.08);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

a { text-decoration: none; }
code {
  font-family: 'SFMono-Regular', Consolas, monospace;
  background: #f3f4f6;
  padding: 0.1rem 0.35rem;
  border-radius: 6px;
}

.shell {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 24px 32px;
}

.topbar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  margin-bottom: 24px;
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 20px;
  padding-bottom: 20px;
}

.eyebrow, .hero-kicker {
  margin: 0 0 6px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-kicker {
  color: var(--accent);
}

.brand-title, .hero-card h2, .panel-head h3 {
  margin: 0;
}

.ghost-link,
.primary-button,
.goto-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 44px;
  border-radius: 12px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
}

.ghost-link {
  background: var(--surface);
  color: var(--text);
  border-color: var(--border);
  padding: 0 16px;
}

.primary-button {
  background: var(--accent);
  color: #fff;
  padding: 0 18px;
}

.primary-button:hover { background: var(--accent-hover); }

.hero-card,
.panel,
.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow);
}

.hero-card {
  padding: 28px;
  margin-bottom: 20px;
  background: linear-gradient(135deg, rgba(33, 150, 243, 0.08), rgba(33, 150, 243, 0.02));
}

.hero-copy,
.panel-copy {
  color: var(--muted);
  line-height: 1.6;
}

.panel,
.result-panel {
  padding: 24px;
}

.panel-head,
.result-head,
.panel-header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 16px;
}

.upload-form {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  gap: 16px;
  margin-top: 18px;
}

.file-field {
  display: grid;
  gap: 8px;
  flex: 1 1 320px;
  color: var(--muted);
  font-weight: 500;
}

.file-field input {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px;
  background: #fff;
}

.result-slot {
  margin-top: 24px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin: 20px 0;
}

.stat-card {
  padding: 18px;
}

.stat-label {
  display: block;
  color: var(--muted);
  margin-bottom: 10px;
  font-size: 14px;
}

.accent-number { color: var(--accent); font-size: 28px; }
.success-number { color: var(--green); font-size: 28px; }
.danger-number { color: var(--red); font-size: 28px; }
.warning-number { color: var(--yellow); font-size: 28px; }

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 0.72rem;
  font-weight: 600;
}
.badge.pass { background: rgba(26,127,55,.1); color: var(--green); border: 1px solid rgba(26,127,55,.2); }
.badge.fail { background: rgba(207,34,46,.1); color: var(--red); border: 1px solid rgba(207,34,46,.2); }
.badge.warning { background: rgba(154,103,0,.1); color: var(--yellow); border: 1px solid rgba(154,103,0,.2); }
.badge.info { background: rgba(33,150,243,.1); color: var(--accent); border: 1px solid rgba(33,150,243,.2); }

.workspace {
  display: flex;
  gap: 0;
  height: 76vh;
  min-height: 560px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.panel-report,
.panel-results {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.panel-report { flex: 1; }
.panel-results { width: 380px; flex-shrink: 0; }
.panel-divider {
  width: 1px;
  background: var(--border);
  flex-shrink: 0;
}

.panel-header {
  padding: 10px 16px;
  border-bottom: 1px solid var(--border-muted);
  background: var(--bg);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--muted);
  flex-shrink: 0;
}

.report-iframe {
  flex: 1;
  border: none;
  width: 100%;
  background: #f6f8fa;
}

.violations-list {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
}

.no-violations {
  padding: 24px 16px;
  text-align: center;
  color: var(--green);
  font-size: 0.875rem;
  font-weight: 500;
}

.result-item {
  border: 1px solid var(--border-muted);
  border-radius: 6px;
  padding: 10px 12px;
  margin-bottom: 8px;
  font-size: 0.8rem;
}

.result-item.passed { border-left: 3px solid var(--green); background: rgba(26,127,55,.06); }
.result-item.failed { border-left: 3px solid var(--red); background: rgba(207,34,46,.07); }
.result-item.warning { border-left: 3px solid var(--yellow); background: rgba(154,103,0,.08); }
.result-item.neutral { border-left: 3px solid var(--muted); background: rgba(87, 96, 106, .08); }
.result-item.active { border-color: var(--accent); background: rgba(33,150,243,.08); }
.result-item-collapsed {
  padding: 0;
}

.result-collapsed-summary {
  display: flex;
  align-items: center;
  padding: 10px 12px;
  cursor: pointer;
  list-style: none;
}

.result-collapsed-summary::-webkit-details-marker {
  display: none;
}

.result-collapsed-body {
  padding: 0 12px 10px;
}

.result-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.rule-name-line {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
}
.result-item.passed .rule-name-line { color: var(--green); }
.result-item.failed .rule-name-line { color: var(--red); }
.result-item.warning .rule-name-line { color: var(--yellow); }
.result-item.neutral .rule-name-line { color: var(--muted); }

.result-status { flex-shrink: 0; }
.rule-id {
  font-family: monospace;
  font-size: 0.75rem;
  background: var(--bg);
  border: 1px solid var(--border-muted);
  border-radius: 4px;
  padding: 1px 5px;
  color: var(--muted);
}
.rule-name { font-weight: 600; color: var(--text); }
.rule-status-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  border: 1px solid transparent;
}
.rule-status-badge.passed { background: rgba(26,127,55,.1); color: var(--green); border-color: rgba(26,127,55,.2); }
.rule-status-badge.failed { background: rgba(207,34,46,.1); color: var(--red); border-color: rgba(207,34,46,.2); }
.rule-status-badge.warning { background: rgba(154,103,0,.1); color: var(--yellow); border-color: rgba(154,103,0,.2); }
.rule-status-badge.neutral { background: rgba(87,96,106,.1); color: var(--muted); border-color: rgba(87,96,106,.2); }
.result-message {
  margin-top: 8px;
  color: var(--muted);
  line-height: 1.4;
}
.rule-fields {
  margin-top: 10px;
}
.rule-fields-title {
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 6px;
}
.rule-field-links {
  margin: 0;
  padding-left: 18px;
}
.rule-field-links li + li {
  margin-top: 6px;
}
.field-link {
  padding: 0;
  border: none;
  background: transparent;
  color: var(--accent);
  text-align: left;
  cursor: pointer;
  font: inherit;
}
.field-link:hover {
  text-decoration: underline;
}

.inline-error {
  display: block;
  margin-top: 24px;
  color: var(--red);
  font-size: 0.875rem;
  padding: 12px 14px;
  background: rgba(207,34,46,.06);
  border: 1px solid rgba(207,34,46,.25);
  border-radius: 10px;
}

.htmx-indicator { display: none; }
.htmx-request .htmx-indicator,
.htmx-request.htmx-indicator { display: inline; }
.htmx-request.primary-button { opacity: 0.85; }

@media (max-width: 1100px) {
  .workspace {
    flex-direction: column;
    height: auto;
    min-height: 0;
  }

  .panel-results {
    width: auto;
    min-height: 320px;
  }

  .panel-divider {
    width: 100%;
    height: 1px;
  }

  .report-iframe {
    min-height: 720px;
  }
}

.rule-details {
  margin-top: 10px;
  border-top: 1px solid var(--border-muted);
  padding-top: 10px;
}

.rule-details summary {
  cursor: pointer;
  color: var(--accent);
  font-weight: 600;
  list-style: none;
}

.rule-details summary::-webkit-details-marker {
  display: none;
}

.rule-details-group + .rule-details-group {
  margin-top: 14px;
}

.rule-details-group h5 {
  margin: 0 0 6px;
  font-size: 0.8rem;
  color: var(--text);
}

.rule-help-text,
.rule-details-note {
  color: var(--muted);
  line-height: 1.45;
}

.rule-details-list {
  margin: 0;
  padding-left: 18px;
  color: var(--text);
}

.rule-details-list li + li {
  margin-top: 8px;
}

.rule-evidence-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.78rem;
}

.rule-evidence-table th,
.rule-evidence-table td {
  border: 1px solid var(--border-muted);
  padding: 8px 10px;
  text-align: left;
  vertical-align: top;
}

.rule-evidence-table th {
  background: var(--bg);
  color: var(--muted);
  font-weight: 700;
}

.showcase-anchor-marker {
  display: inline-block;
  width: 0;
  height: 0;
  scroll-margin: 60px;
}

.showcase-field-focus {
  outline: 3px solid var(--accent) !important;
  background: rgba(33, 150, 243, 0.12) !important;
  scroll-margin: 60px;
}