:root {
  color-scheme: dark;
  --bg-primary: #111217;
  --bg-elevated: #1b1c25;
  --accent: #5fb0ff;
  --accent-muted: rgba(95, 176, 255, 0.15);
  --text-primary: #f5f7fb;
  --text-muted: #a5adc6;
  --border: #2b2d3a;
  --danger: #ff6f6f;
  --success: #4caf50;
  font-family: "Inter", "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at top, rgba(95, 176, 255, 0.12), transparent 60%), var(--bg-primary);
  color: var(--text-primary);
  display: flex;
  flex-direction: column;
}

main {
  flex: 1 0 auto;
  width: min(720px, 92vw);
  margin: 0 auto;
  padding: 2rem 0 3rem;
}

.site-header,
.site-footer {
  text-align: center;
  padding: 1.5rem;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
}

.site-footer {
  border-top: 1px solid var(--border);
  border-bottom: none;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-note {
  margin: 0;
}

.site-header h1 {
  margin: 0;
  font-size: clamp(1.8rem, 4vw, 2.4rem);
}

.tagline {
  margin: 0.35rem 0 0;
  color: var(--text-muted);
}

.lookup-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
  box-shadow: 0 18px 45px rgba(8, 10, 18, 0.42);
}

.lookup-card h2 {
  margin: 0 0 1.5rem;
  font-size: clamp(1.6rem, 4vw, 2rem);
}

.lookup-form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.lookup-form label {
  font-weight: 600;
  letter-spacing: 0.02em;
}

.input-group {
  display: flex;
  gap: 0.75rem;
}

.input-group input {
  flex: 1;
  padding: 0.85rem 1rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #0d0f14;
  color: inherit;
}

.input-group input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-muted);
}

.input-group button {
  padding: 0.85rem 1.5rem;
  border-radius: 12px;
  border: none;
  background: linear-gradient(135deg, var(--accent), #987fff);
  color: #090b12;
  font-weight: 600;
  cursor: pointer;
  transition: transform 120ms ease, box-shadow 120ms ease;
}

.input-group button:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 22px rgba(95, 176, 255, 0.35);
}

.notice {
  margin-top: 1.5rem;
  padding: 0.9rem 1rem;
  border-radius: 12px;
  background: rgba(95, 176, 255, 0.08);
  border: 1px solid var(--accent-muted);
}

.notice.warning {
  background: rgba(255, 111, 111, 0.08);
  border-color: rgba(255, 111, 111, 0.18);
}

.notice.muted {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.08);
}

.result {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.result dl {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem;
}

.result dt {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

.result dd {
  margin: 0.35rem 0 0;
  font-size: 1rem;
}

.category-summary {
  margin-top: 1.5rem;
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.category-card {
  padding: 1rem 1.1rem;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.04);
  box-shadow: 0 14px 30px rgba(8, 10, 18, 0.22);
  transition: transform 120ms ease, border-color 120ms ease;
}

.category-card h4 {
  margin: 0 0 0.35rem;
  font-size: 1rem;
}

.category-card p {
  margin: 0;
  color: var(--text-muted);
}

.category-card.category-found {
  border-color: rgba(255, 111, 111, 0.35);
  background: rgba(255, 111, 111, 0.12);
}

.category-card.category-found p {
  color: var(--danger);
  font-weight: 600;
}

.category-card.category-clear {
  border-color: rgba(76, 175, 80, 0.3);
  background: rgba(76, 175, 80, 0.12);
}

.category-card.category-clear p {
  color: var(--success);
  font-weight: 600;
}

.status-blocked {
  color: var(--danger);
}

.status-clear {
  color: var(--success);
}

.sources {
  margin-top: 1.5rem;
}

.sources ul {
  list-style: none;
  padding: 0;
  margin: 0.75rem 0 0;
  display: grid;
  gap: 0.5rem;
}

.sources li {
  padding: 0.5rem 0.75rem;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

@media (max-width: 640px) {
  .input-group {
    flex-direction: column;
  }

  .input-group button {
    width: 100%;
  }
}