*,
*::before,
*::after {
  box-sizing: border-box;
}

:root {
  --bg: #0f1419;
  --surface: #1a2332;
  --border: #2d3a4f;
  --text: #e7ecf3;
  --muted: #8b9cb3;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --warning-bg: #422006;
  --warning-border: #b45309;
  --warning-text: #fcd34d;
  --error: #f87171;
  --radius: 10px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem 1.25rem 3rem;
}

.header h1 {
  margin: 0 0 0.5rem;
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.subtitle {
  margin: 0;
  color: var(--muted);
  max-width: 52rem;
  font-size: 0.95rem;
}

.form {
  margin-top: 2rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.form-row {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.form-row input {
  flex: 1;
  min-width: 220px;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  font-size: 1rem;
}

.form-row input:focus {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.form-row button {
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: var(--radius);
  background: var(--accent);
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}

.form-row button:hover:not(:disabled) {
  background: var(--accent-hover);
}

.form-row button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.error-message {
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  background: rgba(248, 113, 113, 0.12);
  border: 1px solid var(--error);
  color: var(--error);
  font-size: 0.9rem;
}

.loading {
  margin-top: 2rem;
  text-align: center;
  color: var(--muted);
}

.spinner {
  width: 40px;
  height: 40px;
  margin: 0 auto 1rem;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.loading-hint {
  font-size: 0.85rem;
  margin-top: 0.25rem;
}

.hint-banner {
  margin-top: 1.5rem;
  padding: 1rem 1.25rem;
  border-radius: var(--radius);
  background: var(--warning-bg);
  border: 1px solid var(--warning-border);
  color: var(--warning-text);
  font-size: 0.95rem;
}

.results {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-top: 1.5rem;
}

@media (max-width: 900px) {
  .results {
    grid-template-columns: 1fr;
  }
}

.result-column {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.result-header {
  padding: 0.875rem 1rem;
  border-bottom: 1px solid var(--border);
  font-weight: 600;
  font-size: 1rem;
}

.screenshot-wrap {
  background: #000;
  line-height: 0;
}

.screenshot-wrap img {
  width: 100%;
  height: auto;
  display: block;
}

.meta-card {
  padding: 1rem;
  display: grid;
  gap: 0.65rem;
  font-size: 0.875rem;
}

.meta-row {
  display: grid;
  grid-template-columns: 7rem 1fr;
  gap: 0.5rem;
}

.meta-row dt {
  margin: 0;
  color: var(--muted);
  font-weight: 500;
}

.meta-row dd {
  margin: 0;
  word-break: break-all;
}

.meta-row dd a {
  color: var(--accent);
}