:root {
  color-scheme: dark;
  --bg: #0b0f14;
  --panel: #121821;
  --panel-2: #161f2b;
  --text: #e6edf3;
  --muted: #9fb0c3;
  --accent: #5cc8ff;
  --accent-2: #8b5cff;
  --border: #243041;
  --success: #27d39b;
  --warning: #ffb454;
  --danger: #ff6b6b;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Inter', system-ui, sans-serif;
  background: radial-gradient(circle at top, #0f1722 0%, #0b0f14 45%);
  color: var(--text);
  line-height: 1.6;
}

a {
  color: var(--accent);
  text-decoration: none;
}

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 8vw;
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  background: rgba(11, 15, 20, 0.9);
  z-index: 10;
}

.brand {
  display: flex;
  align-items: center;
  gap: 16px;
}

.logo {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: grid;
  place-items: center;
  font-weight: 700;
  letter-spacing: 1px;
}

.brand h1 {
  margin: 0;
  font-size: 1.1rem;
}

.brand p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.nav {
  display: flex;
  gap: 24px;
  font-weight: 500;
}

.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  padding: 48px 8vw 32px;
}

.hero h2 {
  font-size: 2.1rem;
  margin-bottom: 16px;
}

.hero p {
  color: var(--muted);
  max-width: 520px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-top: 24px;
}

.hero-stats {
  margin-top: 24px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 18px;
}

.hero-stats div {
  padding: 12px 16px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.stat-label {
  display: block;
  font-size: 0.8rem;
  color: var(--muted);
}

.stat-value {
  font-weight: 600;
}

.hero-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 24px;
  display: grid;
  gap: 16px;
}

.hero-card audio {
  width: 100%;
}

.listen-meta {
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-size: 0.9rem;
}

.section {
  padding: 32px 8vw;
}

.section-header {
  margin-bottom: 24px;
}

.section-header h2 {
  margin: 0 0 8px;
}

.section-header p {
  color: var(--muted);
  max-width: 620px;
}

.grid.two {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  margin-bottom: 20px;
}

.card {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  display: grid;
  gap: 12px;
}

.card h3 {
  margin: 0;
}

label {
  display: grid;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--muted);
}

input, select {
  background: #0b1118;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  color: var(--text);
}

.btn {
  border: 1px solid transparent;
  border-radius: 10px;
  padding: 10px 16px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #0b0f14;
}

.btn.ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 20px rgba(0, 0, 0, 0.3);
}

.form-status {
  font-size: 0.85rem;
  color: var(--muted);
}

.notice {
  color: var(--warning);
  font-size: 0.85rem;
}

.library-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-bottom: 20px;
}

.track-list {
  display: grid;
  gap: 14px;
}

.track {
  display: grid;
  gap: 8px;
  padding: 16px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
}

.track h4 {
  margin: 0;
}

.track-meta {
  color: var(--muted);
  font-size: 0.85rem;
}

.track-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.site-footer {
  padding: 24px 8vw 40px;
  color: var(--muted);
  border-top: 1px solid var(--border);
  text-align: center;
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(5, 7, 10, 0.8);
  display: grid;
  place-items: center;
  z-index: 30;
}

.modal.hidden {
  display: none;
}

.card.hidden {
  display: none;
}

.modal-content {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 24px;
  max-width: 480px;
  text-align: center;
}

.modal-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-top: 16px;
}

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

  .site-header {
    flex-direction: column;
    gap: 12px;
  }
}