/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0a0a0f;
  --surface: #111118;
  --surface-2: #18181f;
  --surface-3: #1e1e28;
  --border: rgba(255,255,255,0.07);
  --border-hover: rgba(255,255,255,0.14);
  --text: #f0f0f5;
  --text-2: #9090a8;
  --text-3: #5a5a72;
  --green: #1DB954;
  --green-dim: rgba(29,185,84,0.15);
  --green-glow: rgba(29,185,84,0.3);
  --blue: #4f8ef7;
  --orange: #f7934f;
  --red: #f74f4f;
  --purple: #9b59f7;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 48px rgba(0,0,0,0.6);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ── Background orbs ── */
.bg-orbs {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.18;
}
.orb-1 { width: 500px; height: 500px; background: var(--green); top: -150px; left: -100px; }
.orb-2 { width: 400px; height: 400px; background: var(--purple); bottom: -100px; right: -80px; }
.orb-3 { width: 300px; height: 300px; background: var(--blue); top: 40%; left: 50%; transform: translate(-50%,-50%); }

/* ── Header ── */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10,10,15,0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 24px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text);
  text-decoration: none;
}
.nav { display: flex; gap: 4px; }
.nav-link {
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-2);
  text-decoration: none;
  transition: all 0.2s;
  cursor: pointer;
}
.nav-link:hover { color: var(--text); background: var(--surface-2); }
.nav-link.active { color: var(--text); background: var(--surface-3); }

/* ── Main ── */
.main {
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin: 0 auto;
  padding: 48px 24px 80px;
}

/* ── Pages ── */
.page { display: none; }
.page.active { display: block; }

/* ── Hero ── */
.hero { text-align: center; margin-bottom: 40px; }
.hero-title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, #fff 0%, #9090a8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 10px;
}
.hero-sub { color: var(--text-2); font-size: 1rem; }

/* ── Search card ── */
.search-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 20px;
  box-shadow: var(--shadow);
}
.input-row {
  display: flex;
  gap: 12px;
  align-items: stretch;
}
.input-wrap {
  flex: 1;
  position: relative;
  display: flex;
  align-items: center;
}
.input-icon {
  position: absolute;
  left: 14px;
  color: var(--text-3);
  pointer-events: none;
  flex-shrink: 0;
}
.track-input {
  width: 100%;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 44px 12px 42px;
  font-size: 0.9rem;
  color: var(--text);
  font-family: inherit;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}
.track-input::placeholder { color: var(--text-3); }
.track-input:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px var(--green-dim);
}
.paste-btn {
  position: absolute;
  right: 10px;
  background: none;
  border: none;
  color: var(--text-3);
  cursor: pointer;
  padding: 4px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  transition: color 0.2s;
}
.paste-btn:hover { color: var(--text-2); }
.check-btn {
  background: var(--green);
  color: #000;
  border: none;
  border-radius: var(--radius-sm);
  padding: 12px 24px;
  font-size: 0.9rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.1s;
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  flex-shrink: 0;
}
.check-btn:hover { opacity: 0.9; }
.check-btn:active { transform: scale(0.98); }
.check-btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(0,0,0,0.3);
  border-top-color: #000;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.input-hints {
  margin-top: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  font-size: 0.8rem;
  color: var(--text-3);
}
.hint-chip {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 3px 10px;
  font-size: 0.78rem;
  color: var(--text-2);
  cursor: pointer;
  font-family: monospace;
  transition: border-color 0.2s, color 0.2s;
}
.hint-chip:hover { border-color: var(--green); color: var(--green); }

/* ── Error banner ── */
.error-banner {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(247,79,79,0.1);
  border: 1px solid rgba(247,79,79,0.3);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: #f74f4f;
  font-size: 0.875rem;
  margin-bottom: 20px;
}

/* ── Result card ── */
.result-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  animation: fadeUp 0.3s ease;
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.result-header {
  display: flex;
  gap: 20px;
  padding: 24px;
  border-bottom: 1px solid var(--border);
  background: var(--surface-2);
  align-items: flex-start;
}
.result-art {
  width: 90px;
  height: 90px;
  border-radius: 10px;
  object-fit: cover;
  flex-shrink: 0;
  background: var(--surface-3);
}
.result-meta { flex: 1; min-width: 0; }
.result-distributor-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--green-dim);
  border: 1px solid var(--green-glow);
  border-radius: 20px;
  padding: 3px 12px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--green);
  margin-bottom: 8px;
}
.result-distributor-badge.unknown {
  background: rgba(144,144,168,0.1);
  border-color: rgba(144,144,168,0.2);
  color: var(--text-3);
}
.result-track-name {
  font-size: 1.15rem;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 4px;
}
.result-artists { color: var(--text-2); font-size: 0.875rem; margin-bottom: 2px; }
.result-album { color: var(--text-3); font-size: 0.8rem; }

.result-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1px;
  background: var(--border);
}
.result-item {
  background: var(--surface);
  padding: 14px 18px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.result-label {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-3);
}
.result-value {
  font-size: 0.875rem;
  color: var(--text);
  word-break: break-all;
}
.result-value.mono { font-family: 'SF Mono', 'Fira Code', monospace; font-size: 0.8rem; }
.result-value.small { font-size: 0.72rem; }

.result-actions {
  display: flex;
  gap: 10px;
  padding: 16px 20px;
  border-top: 1px solid var(--border);
  background: var(--surface-2);
}
.action-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  text-decoration: none;
  transition: opacity 0.2s, transform 0.1s;
  border: none;
}
.action-btn:active { transform: scale(0.97); }
.action-btn.primary { background: var(--green); color: #000; }
.action-btn.primary:hover { opacity: 0.9; }
.action-btn.secondary {
  background: var(--surface-3);
  color: var(--text-2);
  border: 1px solid var(--border);
}
.action-btn.secondary:hover { border-color: var(--border-hover); color: var(--text); }

/* ── Confidence badges ── */
.conf-high   { color: var(--green); }
.conf-medium { color: var(--orange); }
.conf-low    { color: var(--red); }
.conf-none   { color: var(--text-3); }

/* ── Database page ── */
.db-toolbar {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.db-search-wrap {
  flex: 1;
  min-width: 200px;
  position: relative;
  display: flex;
  align-items: center;
}
.db-search-wrap svg {
  position: absolute;
  left: 12px;
  color: var(--text-3);
  pointer-events: none;
}
.db-search-input {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 14px 10px 38px;
  font-size: 0.875rem;
  color: var(--text);
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s;
}
.db-search-input::placeholder { color: var(--text-3); }
.db-search-input:focus { border-color: var(--green); }
.db-count {
  font-size: 0.8rem;
  color: var(--text-3);
  white-space: nowrap;
}

.db-table-wrap {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.db-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}
.db-table thead tr {
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
}
.db-table th {
  padding: 12px 16px;
  text-align: left;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-3);
}
.db-table td {
  padding: 11px 16px;
  border-bottom: 1px solid var(--border);
  color: var(--text-2);
  vertical-align: middle;
}
.db-table tr:last-child td { border-bottom: none; }
.db-table tbody tr:hover td { background: var(--surface-2); }
.db-table td:first-child { color: var(--text-3); font-size: 0.78rem; width: 48px; }
.db-table td:nth-child(2) { color: var(--text); font-weight: 500; }
.db-table td:nth-child(3) { font-family: 'SF Mono', 'Fira Code', monospace; font-size: 0.78rem; }
.db-loading { text-align: center; color: var(--text-3); padding: 32px !important; }

.source-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.72rem;
  font-weight: 600;
}
.source-badge.csv { background: var(--green-dim); color: var(--green); }
.source-badge.fallback { background: rgba(79,142,247,0.1); color: var(--blue); }

/* ── Footer ── */
.footer {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 24px;
  color: var(--text-3);
  font-size: 0.78rem;
  border-top: 1px solid var(--border);
}

/* ── Utilities ── */
.hidden { display: none !important; }

/* ── Responsive ── */
@media (max-width: 600px) {
  .input-row { flex-direction: column; }
  .check-btn { width: 100%; justify-content: center; }
  .result-header { flex-direction: column; }
  .result-art { width: 70px; height: 70px; }
  .result-actions { flex-direction: column; }
  .action-btn { justify-content: center; }
}