:root {
  --bg: #020617;
  --bg-panel: #020617;
  --bg-panel-alt: #020617;
  --accent: #38bdf8;
  --accent-soft: rgba(56, 189, 248, 0.16);
  --accent-strong: rgba(56, 189, 248, 0.35);
  --text: #e5e7eb;
  --text-muted: #9ca3af;
  --border: #1f2937;
  --danger: #f97373;
  --radius: 10px;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
}

body {
  background:
    radial-gradient(circle at 0% 0%, rgba(56, 189, 248, 0.18), transparent 55%),
    radial-gradient(circle at 100% 0%, rgba(129, 140, 248, 0.18), transparent 55%),
    #020617;
  color: var(--text);
  font-family: var(--font-sans);
}

/* Header */

.app-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1.8rem;
  border-bottom: 1px solid rgba(15, 23, 42, 0.9);
  background: linear-gradient(
    to right,
    rgba(15, 23, 42, 0.96),
    rgba(15, 23, 42, 0.9),
    rgba(15, 23, 42, 0.96)
  );
  backdrop-filter: blur(14px);
}

.brand h1 {
  margin: 0;
  font-size: 1.05rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
}

.brand-sub {
  display: block;
  margin-top: 0.15rem;
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

#search {
  min-width: 320px;
  max-width: 420px;
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(15, 23, 42, 0.95);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

#search::placeholder {
  color: #4b5563;
}

#search:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent-soft);
}

/* Main */

main#app {
  padding: 1.4rem 1.8rem 2.2rem;
}

/* Footer */

.app-footer {
  padding: 0.6rem 1.8rem 1rem;
  border-top: 1px solid rgba(15, 23, 42, 0.9);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  text-align: right;
}

/* Panel */

.panel {
  background:
    radial-gradient(circle at top left, rgba(56, 189, 248, 0.16), transparent 55%),
    radial-gradient(circle at bottom right, rgba(129, 140, 248, 0.12), transparent 55%),
    rgba(15, 23, 42, 0.96);
  border-radius: 18px;
  border: 1px solid rgba(31, 41, 55, 0.9);
  box-shadow:
    0 24px 60px rgba(0, 0, 0, 0.85),
    0 0 0 1px rgba(15, 23, 42, 0.9);
  overflow: hidden;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1.4rem;
  border-bottom: 1px solid rgba(31, 41, 55, 0.9);
}

.panel-header h2 {
  margin: 0;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--text-muted);
}

.panel-header .meta {
  margin: 0.2rem 0 0;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.panel-body {
  padding: 0.9rem 1.4rem 1.2rem;
}

/* Table */

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8rem;
}

.data-table thead {
  background: rgba(15, 23, 42, 0.98);
}

.data-table th,
.data-table td {
  padding: 0.55rem 0.8rem;
  border-bottom: 1px solid rgba(31, 41, 55, 0.9);
}

.data-table th {
  text-align: left;
  font-weight: 500;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--text-muted);
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
}

.data-table th .sort-indicator {
  opacity: 0.7;
  margin-left: 0.25rem;
  font-size: 0.65rem;
}

.data-table tbody tr {
  transition: background 0.12s ease, transform 0.08s ease, box-shadow 0.12s ease;
  cursor: pointer;
}

.data-table tbody tr:hover {
  background: rgba(15, 23, 42, 0.96);
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.7);
}

.data-table tbody tr td {
  color: var(--text);
}

.data-table tbody tr td:first-child {
  font-family: var(--font-mono);
  color: var(--accent);
}

/* Detail */

.detail-layout {
  display: grid;
  grid-template-columns: minmax(0, 2.1fr) minmax(0, 1.4fr);
  gap: 1.4rem;
}

@media (max-width: 960px) {
  .detail-layout {
    grid-template-columns: minmax(0, 1fr);
  }
}

.detail-header-main h2 {
  margin: 0.1rem 0 0.2rem;
  font-size: 1.05rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.detail-header-main .meta-line {
  margin: 0;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.back-btn {
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  cursor: pointer;
  padding: 0;
  margin-bottom: 0.25rem;
}

.back-btn:hover {
  color: var(--accent);
}

.view-toggle {
  display: inline-flex;
  padding: 0.18rem;
  border-radius: 999px;
  border: 1px solid rgba(31, 41, 55, 0.9);
  background: rgba(15, 23, 42, 0.96);
}

.toggle-btn {
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  padding: 0.32rem 0.9rem;
  border-radius: 999px;
  cursor: pointer;
}

.toggle-btn.active {
  background: var(--accent-soft);
  color: var(--accent);
}

/* Meta grid */

.meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 0.75rem 1.4rem;
  margin-top: 0.6rem;
}

.meta-grid dt {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--text-muted);
}

.meta-grid dd {
  margin: 0.12rem 0 0;
  font-size: 0.86rem;
  font-family: var(--font-mono);
}

/* Tags / Genres / Userfields */

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: 0.35rem;
}

.chip {
  border-radius: 999px;
  border: 1px solid rgba(31, 41, 55, 0.9);
  padding: 0.12rem 0.55rem;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.chip-accent {
  border-color: var(--accent-strong);
  background: var(--accent-soft);
  color: var(--accent);
}

/* Cover */

.cover-card {
  border-radius: 14px;
  border: 1px solid rgba(31, 41, 55, 0.9);
  background: radial-gradient(circle at top, rgba(15, 23, 42, 0.9), rgba(15, 23, 42, 0.98));
  padding: 0.8rem;
}

.cover-image {
  width: 100%;
  border-radius: 10px;
  border: 1px solid rgba(31, 41, 55, 0.9);
  background: #020617;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.cover-meta {
  margin-top: 0.6rem;
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Detail views */

.detail-view {
  margin-top: 0.9rem;
}

.detail-view.hidden {
  display: none;
}

/* Track table */

.track-table td:first-child {
  font-family: var(--font-mono);
  color: var(--text-muted);
}

/* Loading */

.loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3rem 0;
  color: var(--text-muted);
  gap: 0.8rem;
}

.spinner {
  width: 26px;
  height: 26px;
  border-radius: 999px;
  border: 2px solid rgba(55, 65, 81, 0.9);
  border-top-color: var(--accent);
  animation: spin 0.7s linear infinite;
}

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

/* Empty / info */

.empty-state {
  padding: 1.2rem 0.4rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Utility */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  border-radius: 999px;
  border: 1px solid rgba(31, 41, 55, 0.9);
  padding: 0.12rem 0.55rem;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
}