:root {
  --bg: #0b0d17;
  --bg-soft: #131627;
  --card: #171a2e;
  --border: #262a45;
  --text: #eef0fb;
  --text-dim: #a3a7c2;
  --accent: #7c5cff;
  --accent-2: #22d3ee;
  --available: #34d399;
  --taken: #f87171;
  --unknown: #9ca3af;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.hero {
  background: radial-gradient(circle at 20% -10%, #2a1f5c 0%, var(--bg) 55%);
  padding: 24px 24px 64px;
}

.nav {
  max-width: 880px;
  margin: 0 auto 48px;
}

.brand {
  font-weight: 700;
  font-size: 1.1rem;
}

.hero-content {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}

.hero-content h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  margin: 0 0 16px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.subtitle {
  color: var(--text-dim);
  font-size: 1.05rem;
  line-height: 1.6;
  margin: 0 auto 32px;
  max-width: 560px;
}

.idea-form {
  display: flex;
  gap: 10px;
  max-width: 560px;
  margin: 0 auto;
}

#idea-input {
  flex: 1;
  padding: 14px 16px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg-soft);
  color: var(--text);
  font-size: 1rem;
}

#idea-input:focus {
  outline: 2px solid var(--accent);
}

#generate-btn {
  padding: 14px 22px;
  border-radius: 10px;
  border: none;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  color: #10111c;
  font-weight: 700;
  cursor: pointer;
  font-size: 1rem;
}

#generate-btn:disabled {
  opacity: 0.6;
  cursor: progress;
}

.options {
  max-width: 560px;
  margin: 20px auto 0;
  color: var(--text-dim);
  text-align: left;
}

.options summary {
  cursor: pointer;
  text-align: center;
  color: var(--text-dim);
}

.options-grid {
  margin-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.field-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
}

.field-label .hint {
  font-weight: 400;
  color: var(--text-dim);
}

#gemini-key {
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg-soft);
  color: var(--text);
}

.key-hint {
  margin: -4px 0 0;
  font-size: 0.8rem;
  color: var(--text-dim);
}

.tld-picker {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  max-height: 120px;
  overflow-y: auto;
}

.tld-chip {
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-soft);
  cursor: pointer;
  font-size: 0.85rem;
  user-select: none;
}

.tld-chip.selected {
  background: var(--accent);
  border-color: var(--accent);
  color: #10111c;
  font-weight: 600;
}

.results {
  max-width: 960px;
  margin: -32px auto 60px;
  padding: 0 24px;
}

.source-banner {
  display: inline-block;
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 20px;
}

.source-banner.ai {
  background: rgba(124, 92, 255, 0.15);
  color: var(--accent);
  border: 1px solid rgba(124, 92, 255, 0.4);
}

.source-banner.combo {
  background: rgba(156, 163, 175, 0.12);
  color: var(--unknown);
  border: 1px solid var(--border);
}

.name-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px;
}

.name-card {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
}

.name-card-title {
  margin: 0 0 6px;
  font-size: 1.1rem;
}

.name-card-tagline {
  margin: 0 0 8px;
  color: var(--text-dim);
  font-size: 0.9rem;
}

.name-card-validation {
  margin: 0 0 12px;
  color: var(--accent-2);
  font-size: 0.8rem;
  line-height: 1.4;
}

.domain-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.domain-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  padding: 6px 8px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.02);
}

.domain-text {
  flex: 1;
  font-family: "SFMono-Regular", Consolas, monospace;
}

.domain-status {
  font-size: 0.75rem;
  font-weight: 700;
}

.domain-status.available {
  color: var(--available);
}

.domain-status.taken {
  color: var(--taken);
}

.domain-status.unknown {
  color: var(--unknown);
}

.domain-status.checking {
  color: var(--text-dim);
}

.buy-btn {
  display: none;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--available);
  color: #08201a;
  font-weight: 700;
  font-size: 0.75rem;
  text-decoration: none;
}

.buy-btn.visible {
  display: inline-block;
}

.error-msg {
  color: var(--taken);
  font-size: 0.9rem;
  margin: 0 0 20px;
}

.empty-state {
  text-align: center;
  color: var(--text-dim);
  margin: 40px auto;
}