feat: dodano pasek postępu odtwarzania w czasie rzeczywistym w panelu webowym

static/style.css

@@ -438,6 +438,50 @@ body {
     transform: scale(1.05);
 }
 
+/* Progress Bar styling */
+.track-progress-container {
+    display: flex;
+    align-items: center;
+    gap: 12px;
+    width: 100%;
+    margin-bottom: 20px;
+    padding: 0 10px;
+    box-sizing: border-box;
+}
+
+.time-text {
+    font-size: 0.8rem;
+    font-weight: 600;
+    color: var(--text-muted);
+    min-width: 40px;
+    text-align: center;
+}
+
+.progress-bar-bg {
+    flex-grow: 1;
+    height: 6px;
+    background: rgba(255, 255, 255, 0.08);
+    border-radius: 4px;
+    position: relative;
+    overflow: hidden;
+    transition: var(--transition-smooth);
+    border: 1px solid rgba(255, 255, 255, 0.03);
+}
+
+.progress-bar-bg:hover {
+    height: 8px;
+    background: rgba(255, 255, 255, 0.15);
+}
+
+.progress-bar-fill {
+    height: 100%;
+    background: linear-gradient(90deg, var(--primary) 0%, var(--secondary) 100%);
+    border-radius: 4px;
+    width: 0%;
+    box-shadow: 0 0 10px var(--primary-glow);
+    transition: width 0.2s linear;
+}
+
 .playback-state-bar {
     display: flex;
     justify-content: center;