/* ThemeMedic Public Scanner — Styles
 * Minimal, fast-loading, distinctive without being precious. */

:root {
  --ink:        #0f172a;
  --ink-soft:   #475569;
  --paper:      #ffffff;
  --paper-soft: #f8fafc;
  --line:       #e2e8f0;
  --accent:     #0ea5e9;
  --accent-deep:#0369a1;
  --warn:       #d97706;
  --danger:     #dc2626;
  --success:    #16a34a;
  --mono:       'JetBrains Mono', 'SF Mono', Menlo, Consolas, monospace;
  --sans:       -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.55;
}

.container {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ───── Site header ───── */
.site-header {
  border-bottom: 1px solid var(--line);
  padding: 1.5rem 0;
  background: var(--paper);
}
.site-header .container {
  display: flex;
  align-items: baseline;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.site-logo {
  font-weight: 700;
  font-size: 1.25rem;
  text-decoration: none;
  color: var(--ink);
  letter-spacing: -0.02em;
}
.site-tagline {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

/* ───── Hero / scan form ───── */
.hero {
  padding: 4rem 0 3rem;
  text-align: center;
}
.hero h1 {
  font-size: 2.25rem;
  line-height: 1.15;
  letter-spacing: -0.025em;
  margin: 0 0 1rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}
.hero-sub {
  font-size: 1.125rem;
  color: var(--ink-soft);
  margin: 0 0 2rem;
}

.scan-form {
  display: flex;
  gap: 0.5rem;
  max-width: 540px;
  margin: 0 auto;
}
.scan-form input[type="text"] {
  flex: 1;
  padding: 0.875rem 1rem;
  font-size: 1rem;
  font-family: var(--mono);
  border: 1.5px solid var(--line);
  border-radius: 0.5rem;
  background: var(--paper);
  color: var(--ink);
  transition: border-color 0.15s;
}
.scan-form input[type="text"]:focus {
  outline: none;
  border-color: var(--accent);
}
.scan-form button {
  padding: 0.875rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  background: var(--ink);
  color: var(--paper);
  border: none;
  border-radius: 0.5rem;
  cursor: pointer;
  transition: background 0.15s;
  white-space: nowrap;
}
.scan-form button:hover { background: var(--accent-deep); }

/* ───── Alerts ───── */
.alert {
  margin-top: 1.5rem;
  padding: 1rem 1.25rem;
  border-radius: 0.5rem;
  text-align: left;
  font-size: 0.95rem;
}
.alert-error { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }
.alert-info  { background: #f0f9ff; color: #075985; border: 1px solid #bae6fd; }
.alert-clean { background: #f0fdf4; color: #14532d; border: 1px solid #bbf7d0; }

/* ───── Results ───── */
.results { padding: 1rem 0 3rem; }
.results-summary { padding: 2rem 0 1rem; border-bottom: 1px solid var(--line); margin-bottom: 1.5rem; }
.results-summary h2 {
  font-size: 1.5rem;
  margin: 0 0 0.5rem;
  letter-spacing: -0.02em;
}
.results-summary .meta {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.findings { display: flex; flex-direction: column; gap: 1rem; margin-top: 1.5rem; }

.app-card {
  border: 1px solid var(--line);
  border-left: 4px solid var(--line);
  border-radius: 0.5rem;
  padding: 1.25rem 1.5rem;
  background: var(--paper);
}
.app-card--high   { border-left-color: var(--danger); }
.app-card--medium { border-left-color: var(--warn); }
.app-card--low    { border-left-color: var(--ink-soft); }

.app-card__header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
}
.app-card__header h3 {
  margin: 0;
  font-size: 1.125rem;
  letter-spacing: -0.015em;
  flex: 1;
}
.confidence-badge {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.confidence-high   { background: #fee2e2; color: #991b1b; }
.confidence-medium { background: #fef3c7; color: #92400e; }
.confidence-low    { background: #e2e8f0; color: #334155; }

.finding-count {
  color: var(--ink-soft);
  font-size: 0.85rem;
}

.finding-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.finding-list li {
  padding: 0.6rem 0.75rem;
  background: var(--paper-soft);
  border-radius: 0.375rem;
  font-size: 0.875rem;
}

.sig-type {
  display: inline-block;
  background: var(--ink);
  color: var(--paper);
  padding: 0.1rem 0.4rem;
  border-radius: 0.25rem;
  font-size: 0.75rem;
  font-family: var(--mono);
  margin-right: 0.5rem;
}
.sig-pattern {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--ink);
  word-break: break-all;
}
.match-count {
  margin-left: 0.5rem;
  color: var(--ink-soft);
  font-size: 0.85rem;
}
.match-context {
  margin-top: 0.5rem;
  padding: 0.5rem 0.75rem;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 0.25rem;
  overflow-x: auto;
}
.match-context code {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--ink-soft);
  white-space: pre;
}

/* ───── CTA ───── */
.cta {
  margin-top: 2.5rem;
  padding: 2rem;
  background: var(--ink);
  color: var(--paper);
  border-radius: 0.75rem;
  text-align: center;
}
.cta h2 {
  margin: 0 0 0.75rem;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
}
.cta p {
  margin: 0 0 1rem;
  color: #cbd5e1;
}
.btn {
  display: inline-block;
  padding: 0.875rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 0.5rem;
  transition: background 0.15s, transform 0.05s;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); color: var(--paper); }
.btn-primary:hover { background: var(--accent-deep); }

/* ───── How it works ───── */
.how-it-works { padding: 3rem 0; }
.how-it-works h2 { font-size: 1.75rem; letter-spacing: -0.02em; margin: 0 0 2rem; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.step h3 { margin: 0.5rem 0 0.5rem; font-size: 1.1rem; }
.step p  { margin: 0; color: var(--ink-soft); font-size: 0.95rem; }
.step-num {
  display: inline-flex;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: var(--ink);
  color: var(--paper);
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.875rem;
}

/* ───── FAQ ───── */
.faq { padding: 2rem 0 4rem; border-top: 1px solid var(--line); }
.faq h2 { font-size: 1.75rem; letter-spacing: -0.02em; margin: 0 0 1.5rem; }
.faq details {
  border-bottom: 1px solid var(--line);
  padding: 1rem 0;
}
.faq summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 1.05rem;
  list-style: none;
  position: relative;
  padding-right: 2rem;
}
.faq summary::after {
  content: '+';
  position: absolute;
  right: 0;
  top: 0;
  font-size: 1.5rem;
  color: var(--ink-soft);
}
.faq details[open] summary::after { content: '−'; }
.faq details p { margin: 0.75rem 0 0; color: var(--ink-soft); }

/* ───── Footer ───── */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 2rem 0;
  color: var(--ink-soft);
  font-size: 0.85rem;
}
.site-footer a { color: var(--ink-soft); }

/* ───── Responsive ───── */
@media (max-width: 640px) {
  .hero h1 { font-size: 1.75rem; }
  .scan-form { flex-direction: column; }
  .scan-form button { width: 100%; }
  .steps { grid-template-columns: 1fr; gap: 1.5rem; }
  .app-card__header { flex-direction: column; align-items: flex-start; }
}