:root {
  --sidebar-width: 220px;
}

.sidebar-toggle {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 1001;
  width: auto;
  padding: 0.4rem 0.7rem;
  font-size: 1.25rem;
  line-height: 1;
  background: var(--pico-card-background-color);
  border: 1px solid var(--pico-muted-border-color);
  border-radius: var(--pico-border-radius);
  cursor: pointer;
}

.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  overflow-y: auto;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  padding: 3.75rem 1rem 1rem;
  background: var(--pico-card-background-color);
  border-right: 1px solid var(--pico-muted-border-color);
  z-index: 1000;
  transition: transform 0.2s ease;
}
html.sidebar-collapsed .sidebar { transform: translateX(-100%); }

.sidebar-brand a {
  text-decoration: none;
  font-weight: 700;
  font-size: 1.1rem;
  color: inherit;
}
.sidebar .signed-in-as {
  color: var(--pico-muted-color);
  font-size: 0.8rem;
  margin: 0.5rem 0 1.5rem;
}
.sidebar nav { display: flex; flex-direction: column; flex: 1; }
.sidebar nav ul { list-style: none; padding: 0; margin: 0; }
.sidebar nav li { margin-bottom: 0.3rem; }
.sidebar nav a {
  display: block;
  padding: 0.5rem 0.6rem;
  border-radius: var(--pico-border-radius);
  text-decoration: none;
  color: var(--pico-color);
}
.sidebar nav a:hover { background: var(--pico-primary); color: var(--pico-primary-inverse); }
.sidebar-footer { margin-top: auto; padding-top: 1rem; border-top: 1px solid var(--pico-muted-border-color); }

.sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 999;
}

main.with-sidebar { margin-left: calc(var(--sidebar-width) + 2rem); margin-top: 1.5rem; }
html.sidebar-collapsed main.with-sidebar { margin-left: 2rem; }

@media (max-width: 768px) {
  main.with-sidebar,
  html.sidebar-collapsed main.with-sidebar {
    margin-left: 1rem;
    margin-right: 1rem;
    margin-top: 3.75rem;
  }
  .sidebar-backdrop { display: none; }
  html:not(.sidebar-collapsed) .sidebar-backdrop { display: block; }
}

.flash {
  background: color-mix(in srgb, var(--pico-primary) 15%, var(--pico-background-color));
  border-left: 4px solid var(--pico-primary);
  padding: 0.75rem 1rem;
  border-radius: var(--pico-border-radius);
  margin-bottom: 1.25rem;
}

.mode-choices {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
@media (max-width: 600px) {
  .mode-choices { grid-template-columns: 1fr; }
}
.mode-btn {
  display: block;
  text-decoration: none;
  color: inherit;
  background: var(--pico-card-background-color);
  border: 1px solid var(--pico-muted-border-color);
  border-radius: var(--pico-border-radius);
  padding: 2.5rem 1.5rem;
  text-align: center;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.mode-btn:hover {
  border-color: var(--pico-primary);
  transform: translateY(-3px);
}
.mode-btn h2 { margin-bottom: 0.5rem; }
.mode-btn p { color: var(--pico-muted-color); margin: 0; }

.song-list, .queue-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.song-list li, .queue-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--pico-muted-border-color);
}
.song-list li:last-child, .queue-list li:last-child { border-bottom: none; }
.song-list button {
  width: auto;
  margin: 0;
  padding: 0.35rem 1rem;
  font-size: 0.9rem;
}
.queue-list .status { color: var(--pico-muted-color); font-size: 0.85em; }
.empty-hint { color: var(--pico-muted-color); font-style: italic; }

.now-playing {
  text-align: center;
  padding: 3rem 1.5rem;
}
.now-playing h1 {
  font-size: clamp(1.75rem, 5vw, 3rem);
  color: var(--pico-primary);
  margin-bottom: 0.5rem;
}
.now-playing p { color: var(--pico-muted-color); font-size: 1.15rem; margin: 0 0 1.25rem; }

.player-video {
  width: 100%;
  max-width: 720px;
  border-radius: var(--pico-border-radius);
  background: #000;
}
.player-controls { margin-top: 1rem; }
.player-controls button { width: auto; padding: 0.5rem 1.5rem; margin: 0; }

.stats-row {
  display: flex;
  gap: 2rem;
  justify-content: space-around;
  text-align: center;
}
.stats-row strong {
  display: block;
  font-size: 2.25rem;
  color: var(--pico-primary);
  line-height: 1.2;
}
.stats-row span { color: var(--pico-muted-color); }

.inline-form {
  display: inline-flex;
  gap: 0.5rem;
  margin: 0 0.5rem 0 0;
  vertical-align: middle;
}
.inline-form input { width: auto; margin: 0; padding: 0.4rem 0.6rem; }
td form { display: inline-block; margin: 0 0.35rem 0 0; }
td form button { width: auto; padding: 0.4rem 0.9rem; margin: 0; }

.upload-progress-wrap {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1rem;
}
.upload-progress-wrap progress { flex: 1; }
.upload-progress-wrap span { color: var(--pico-muted-color); font-size: 0.85rem; white-space: nowrap; }

.upload-note {
  color: var(--pico-muted-color);
  font-size: 0.85rem;
  border-top: 1px solid var(--pico-muted-border-color);
  padding-top: 0.85rem;
  margin-top: 1rem;
}
.upload-note code { font-size: 0.85em; }