feat(player): add explicit detection, inline audio preview, seeking scrubber, and stream endpoint

app/static/style.css

@@ -420,3 +420,191 @@ input[type="text"]:focus {
   color: var(--accent-color);
   text-decoration: none;
 }
+
+/* Explicit & Clean Badges */
+.badge-explicit {
+  background-color: #ef4444;
+  color: #ffffff;
+  font-weight: 700;
+  font-size: 0.72rem;
+  padding: 0.15rem 0.45rem;
+  border-radius: 4px;
+  display: inline-flex;
+  align-items: center;
+  gap: 0.2rem;
+  letter-spacing: 0.02em;
+}
+
+.badge-clean {
+  background-color: #eab308;
+  color: #0f172a;
+  font-weight: 700;
+  font-size: 0.72rem;
+  padding: 0.15rem 0.45rem;
+  border-radius: 4px;
+  display: inline-flex;
+  align-items: center;
+  gap: 0.2rem;
+}
+
+.badge-version {
+  background-color: #334155;
+  color: #cbd5e1;
+  font-size: 0.72rem;
+  padding: 0.15rem 0.45rem;
+  border-radius: 4px;
+}
+
+/* Play Preview Button */
+.btn-play-preview {
+  background-color: #10b981;
+  color: white;
+  border: none;
+  font-size: 0.78rem;
+  font-weight: 600;
+  padding: 0.35rem 0.65rem;
+  border-radius: 6px;
+  cursor: pointer;
+  display: inline-flex;
+  align-items: center;
+  gap: 0.3rem;
+  transition: all 0.15s ease;
+}
+
+.btn-play-preview:hover {
+  background-color: #059669;
+  transform: translateY(-1px);
+}
+
+.btn-play-preview.is-playing {
+  background-color: #f59e0b;
+  color: #0f172a;
+}
+
+/* Floating Audio Player Bar */
+.audio-player-bar {
+  position: fixed;
+  bottom: 0;
+  left: 0;
+  right: 0;
+  background-color: rgba(15, 23, 42, 0.96);
+  backdrop-filter: blur(12px);
+  border-top: 1px solid var(--border-color);
+  box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.6);
+  padding: 0.75rem 1.5rem;
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: 1.25rem;
+  z-index: 1000;
+  animation: slideUp 0.25s ease-out;
+}
+
+@keyframes slideUp {
+  from { transform: translateY(100%); }
+  to { transform: translateY(0); }
+}
+
+.player-track-info {
+  display: flex;
+  align-items: center;
+  gap: 0.75rem;
+  min-width: 220px;
+  max-width: 320px;
+}
+
+.player-cover {
+  width: 48px;
+  height: 48px;
+  border-radius: 6px;
+  object-fit: cover;
+  background-color: #334155;
+  flex-shrink: 0;
+}
+
+.player-meta {
+  display: flex;
+  flex-direction: column;
+  gap: 0.15rem;
+  overflow: hidden;
+}
+
+.player-title-row {
+  display: flex;
+  align-items: center;
+  gap: 0.4rem;
+  overflow: hidden;
+}
+
+.player-title {
+  font-size: 0.88rem;
+  font-weight: 600;
+  white-space: nowrap;
+  overflow: hidden;
+  text-overflow: ellipsis;
+}
+
+.player-artist {
+  font-size: 0.75rem;
+  color: var(--text-secondary);
+  white-space: nowrap;
+  overflow: hidden;
+  text-overflow: ellipsis;
+}
+
+.player-controls-container {
+  flex: 1;
+  max-width: 640px;
+  display: flex;
+  align-items: center;
+}
+
+.player-controls-container audio {
+  width: 100%;
+  height: 38px;
+  outline: none;
+}
+
+.player-actions {
+  display: flex;
+  align-items: center;
+  gap: 0.5rem;
+  flex-shrink: 0;
+}
+
+.btn-player-close {
+  background: none;
+  border: none;
+  color: var(--text-secondary);
+  font-size: 1.4rem;
+  line-height: 1;
+  cursor: pointer;
+  padding: 0.2rem 0.4rem;
+  border-radius: 4px;
+  margin-left: 0.3rem;
+}
+
+.btn-player-close:hover {
+  color: #fff;
+  background-color: rgba(255, 255, 255, 0.1);
+}
+
+@media (max-width: 820px) {
+  .audio-player-bar {
+    flex-direction: column;
+    padding: 0.75rem 1rem;
+    gap: 0.6rem;
+  }
+  .player-track-info {
+    max-width: 100%;
+    width: 100%;
+  }
+  .player-controls-container {
+    width: 100%;
+    max-width: 100%;
+  }
+  .player-actions {
+    width: 100%;
+    justify-content: flex-end;
+  }
+}