:root {
  --background: 222 47% 6%;
  --foreground: 210 40% 96%;
  --card: 222 47% 9%;
  --card-foreground: 210 40% 96%;
  --primary: 199 89% 48%;
  --primary-foreground: 222 47% 6%;
  --secondary: 217 33% 14%;
  --secondary-foreground: 210 40% 96%;
  --muted: 217 33% 14%;
  --muted-foreground: 215 20% 55%;
  --accent: 217 33% 17%;
  --destructive: 0 72% 51%;
  --destructive-foreground: 210 40% 98%;
  --border: 217 33% 17%;
  --input: 217 33% 17%;
  --ring: 199 89% 48%;
  --sidebar: 222 47% 7%;
  --sidebar-foreground: 210 40% 90%;
  --sidebar-accent: 217 33% 14%;
  --success: 142 71% 45%;
  --warning: 38 92% 50%;
  --radius: 0.5rem;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, hsl(var(--primary) / 0.12), transparent),
    hsl(var(--background));
  color: hsl(var(--foreground));
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}

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

a:hover {
  text-decoration: underline;
}

:focus-visible {
  outline: 2px solid hsl(var(--ring));
  outline-offset: 2px;
}

.muted {
  color: hsl(var(--muted-foreground));
}

* {
  scrollbar-width: thin;
  scrollbar-color: hsl(var(--border)) transparent;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.5rem;
}

.hero {
  padding: 2.5rem 0 1.5rem;
  text-align: center;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.brand-mark {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--radius);
  background: hsl(var(--primary) / 0.15);
  border: 1px solid hsl(var(--primary) / 0.35);
  display: grid;
  place-items: center;
  color: hsl(var(--primary));
}

.brand-name {
  font-size: 1.875rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.2;
  margin: 0;
}

.hero-sub {
  margin: 0.5rem auto 0;
  max-width: 36rem;
  color: hsl(var(--muted-foreground));
  font-size: 0.95rem;
}

.card {
  background: hsl(var(--card));
  border: 1px solid hsl(var(--border));
  border-radius: var(--radius);
  box-shadow: 0 1px 2px rgb(0 0 0 / 0.3);
  padding: 1.5rem;
}

.card + .card {
  margin-top: 1.5rem;
}

.card-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin: 0 0 0.25rem;
}

.card-desc {
  color: hsl(var(--muted-foreground));
  font-size: 0.875rem;
  margin: 0 0 1rem;
}

.stack {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: flex-end;
}

.field {
  flex: 1;
  min-width: 12rem;
}

.field.grow {
  flex: 2;
  min-width: 16rem;
}

label {
  display: block;
  font-size: 0.875rem;
  margin-bottom: 0.375rem;
  color: hsl(var(--muted-foreground));
}

.input,
input[type="text"],
input[type="url"],
input[type="file"],
select,
textarea {
  width: 100%;
  height: 2.25rem;
  padding: 0 0.75rem;
  background: hsl(var(--secondary) / 0.5);
  border: 1px solid hsl(var(--input));
  border-radius: calc(var(--radius) - 2px);
  color: hsl(var(--foreground));
  font-size: 0.875rem;
  font-family: inherit;
}

input[type="file"] {
  padding: 0.35rem 0.75rem;
  height: auto;
}

.input::placeholder,
input::placeholder {
  color: hsl(var(--muted-foreground));
}

.input:focus,
input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: hsl(var(--ring));
  box-shadow: 0 0 0 2px hsl(var(--ring) / 0.4);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  height: 2.25rem;
  padding: 0 1rem;
  border-radius: calc(var(--radius) - 2px);
  font-size: 0.875rem;
  font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color 0.15s, color 0.15s, border-color 0.15s;
  font-family: inherit;
  white-space: nowrap;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background: hsl(var(--primary));
  color: hsl(var(--primary-foreground));
}

.btn-primary:hover:not(:disabled) {
  background: hsl(var(--primary) / 0.9);
}

.btn-outline {
  background: transparent;
  border-color: hsl(var(--border));
  color: hsl(var(--foreground));
}

.btn-outline:hover:not(:disabled) {
  background: hsl(var(--accent));
}

.btn-ghost {
  background: transparent;
  color: hsl(var(--foreground));
}

.btn-ghost:hover:not(:disabled) {
  background: hsl(var(--accent));
}

.btn-danger {
  background: hsl(var(--destructive));
  color: hsl(var(--destructive-foreground));
}

.btn-sm {
  height: 1.875rem;
  padding: 0 0.75rem;
  font-size: 0.8125rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.125rem 0.625rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-primary {
  background: hsl(var(--primary) / 0.2);
  color: hsl(var(--primary));
}

.badge-success {
  background: hsl(var(--success) / 0.2);
  color: hsl(var(--success));
}

.badge-warning {
  background: hsl(var(--warning) / 0.2);
  color: hsl(var(--warning));
}

.badge-danger {
  background: hsl(var(--destructive) / 0.2);
  color: hsl(var(--destructive));
}

.seg {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  padding: 0.25rem;
  background: hsl(var(--secondary) / 0.6);
  border: 1px solid hsl(var(--border));
  border-radius: calc(var(--radius) - 2px);
}

.seg-btn {
  height: 2rem;
  padding: 0 0.85rem;
  border: none;
  border-radius: calc(var(--radius) - 4px);
  background: transparent;
  color: hsl(var(--muted-foreground));
  font-size: 0.8125rem;
  font-weight: 500;
  cursor: pointer;
  font-family: inherit;
}

.seg-btn.active {
  background: hsl(var(--primary) / 0.15);
  color: hsl(var(--primary));
}

.seg-btn:hover:not(.active) {
  background: hsl(var(--accent));
  color: hsl(var(--foreground));
}

.meta-panel {
  display: none;
  gap: 1.25rem;
  align-items: flex-start;
}

.meta-panel.visible {
  display: flex;
}

.meta-thumb {
  width: 11rem;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: calc(var(--radius) - 2px);
  border: 1px solid hsl(var(--border));
  background: hsl(var(--muted));
  flex-shrink: 0;
}

.meta-body {
  flex: 1;
  min-width: 0;
}

.meta-title {
  margin: 0 0 0.35rem;
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.meta-line {
  margin: 0;
  font-size: 0.875rem;
  color: hsl(var(--muted-foreground));
}

.playlist {
  margin-top: 1rem;
  max-height: 16rem;
  overflow: auto;
  border: 1px solid hsl(var(--border));
  border-radius: calc(var(--radius) - 2px);
}

.playlist-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 0.85rem;
  border-bottom: 1px solid hsl(var(--border));
  font-size: 0.875rem;
}

.playlist-item:last-child {
  border-bottom: none;
}

.playlist-item:hover {
  background: hsl(var(--accent) / 0.5);
}

.playlist-item input {
  width: auto;
  height: auto;
}

.playlist-item .title {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  justify-content: space-between;
  margin-top: 1rem;
}

.status-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  justify-content: center;
  margin-top: 1rem;
}

.table-wrap {
  overflow-x: auto;
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.table th,
.table td {
  text-align: left;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid hsl(var(--border));
  vertical-align: middle;
}

.table th {
  color: hsl(var(--muted-foreground));
  font-weight: 500;
}

.table tr:hover td {
  background: hsl(var(--accent) / 0.5);
}

.progress {
  height: 0.375rem;
  background: hsl(var(--muted));
  border-radius: 9999px;
  overflow: hidden;
  min-width: 6rem;
}

.progress > span {
  display: block;
  height: 100%;
  background: hsl(var(--primary));
  border-radius: 9999px;
  transition: width 0.2s ease;
}

.progress-meta {
  margin-top: 0.25rem;
  font-size: 0.75rem;
  color: hsl(var(--muted-foreground));
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.empty {
  padding: 1.5rem;
  text-align: center;
  color: hsl(var(--muted-foreground));
  font-size: 0.875rem;
}

.alert {
  display: none;
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  border-radius: calc(var(--radius) - 2px);
  font-size: 0.875rem;
  border: 1px solid hsl(var(--destructive) / 0.4);
  background: hsl(var(--destructive) / 0.12);
  color: hsl(var(--destructive-foreground));
}

.alert.visible {
  display: block;
}

.alert-warn {
  border-color: hsl(var(--warning) / 0.4);
  background: hsl(var(--warning) / 0.12);
  color: hsl(var(--warning));
}

.footer-note {
  margin: 2rem 0 1rem;
  text-align: center;
  font-size: 0.8125rem;
  color: hsl(var(--muted-foreground));
}

@media (max-width: 700px) {
  .meta-panel.visible {
    flex-direction: column;
  }

  .meta-thumb {
    width: 100%;
  }

  .hero {
    padding-top: 1.5rem;
  }

  .brand-name {
    font-size: 1.5rem;
  }
}