Update style.css

style.css

@@ -1,28 +1,465 @@
+/* ============ CSS Variables ============ */
+:root {
+  --bg-primary: #0f0f13;
+  --bg-secondary: #1a1a23;
+  --bg-tertiary: #252532;
+  --accent: #6366f1;
+  --accent-hover: #818cf8;
+  --text-primary: #f4f4f5;
+  --text-secondary: #a1a1aa;
+  --text-muted: #71717a;
+  --border: #2e2e3a;
+  --success: #22c55e;
+  --warning: #f59e0b;
+  --error: #ef4444;
+  --radius: 12px;
+  --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
+}
+
+/* ============ Reset & Base ============ */
+*, *::before, *::after {
+  box-sizing: border-box;
+  margin: 0;
+  padding: 0;
+}
+
 body {
-	padding: 2rem;
-	font-family: -apple-system, BlinkMacSystemFont, "Arial", sans-serif;
+  font-family: 'Inter', system-ui, -apple-system, sans-serif;
+  background: var(--bg-primary);
+  color: var(--text-primary);
+  min-height: 100vh;
+  line-height: 1.6;
+  -webkit-font-smoothing: antialiased;
+}
+
+/* ============ Layout ============ */
+.container {
+  max-width: 1000px;
+  margin: 0 auto;
+  padding: 2rem 1.5rem;
+  display: flex;
+  flex-direction: column;
+  gap: 2rem;
+  min-height: 100vh;
+}
+
+.main-content {
+  display: grid;
+  grid-template-columns: 1fr 320px;
+  gap: 1.5rem;
+  align-items: start;
+}
+
+/* ============ Header ============ */
+.header {
+  text-align: center;
+}
+
+.title {
+  font-size: 2rem;
+  font-weight: 700;
+  letter-spacing: -0.02em;
+  margin-bottom: 0.5rem;
+}
+
+.accent {
+  background: linear-gradient(135deg, var(--accent), #a855f7);
+  -webkit-background-clip: text;
+  -webkit-text-fill-color: transparent;
+  background-clip: text;
+}
+
+.subtitle {
+  color: var(--text-secondary);
+  font-size: 0.95rem;
+}
+
+/* ============ Video Section ============ */
+.video-section {
+  display: flex;
+  justify-content: center;
+}
+
+.video-container {
+  position: relative;
+  width: 100%;
+  aspect-ratio: 1;
+  background: var(--bg-secondary);
+  border-radius: var(--radius);
+  overflow: hidden;
+  border: 1px solid var(--border);
+  box-shadow: var(--shadow);
+}
+
+#video, #canvas {
+  position: absolute;
+  top: 0;
+  left: 0;
+  width: 100%;
+  height: 100%;
+  object-fit: cover;
+}
+
+#canvas {
+  z-index: 10;
+  pointer-events: none;
+}
+
+/* ============ Loader Overlay ============ */
+.loader-overlay {
+  position: absolute;
+  inset: 0;
+  z-index: 20;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  background: rgba(15, 15, 19, 0.95);
+  opacity: 0;
+  visibility: hidden;
+  transition: opacity 0.3s, visibility 0.3s;
+}
+
+.loader-overlay.visible {
+  opacity: 1;
+  visibility: visible;
+}
+
+.spinner {
+  width: 32px;
+  height: 32px;
+  border: 3px solid var(--border);
+  border-top-color: var(--accent);
+  border-radius: 50%;
+  animation: spin 0.8s linear infinite;
+  margin-bottom: 1rem;
 }
 
-h1 {
-	font-size: 16px;
-	margin-top: 0;
+@keyframes spin {
+  to { transform: rotate(360deg); }
 }
 
-p {
-	color: rgb(107, 114, 128);
-	font-size: 15px;
-	margin-bottom: 10px;
-	margin-top: 5px;
+.loader-overlay p {
+  color: var(--text-secondary);
+  font-size: 0.9rem;
 }
 
-.card {
-	max-width: 620px;
-	margin: 0 auto;
-	padding: 16px;
-	border: 1px solid lightgray;
-	border-radius: 16px;
+/* ============ Status & FPS Badges ============ */
+.status-badge, .fps-badge {
+  position: absolute;
+  top: 1rem;
+  z-index: 15;
+  display: flex;
+  align-items: center;
+  gap: 0.5rem;
+  padding: 0.4rem 0.75rem;
+  background: rgba(0, 0, 0, 0.6);
+  backdrop-filter: blur(8px);
+  border-radius: 20px;
+  font-size: 0.75rem;
+  font-weight: 500;
+  border: 1px solid rgba(255, 255, 255, 0.1);
 }
 
-.card p:last-child {
-	margin-bottom: 0;
+.status-badge {
+  left: 1rem;
+}
+
+.fps-badge {
+  right: 1rem;
+  font-family: 'SF Mono', 'Fira Code', monospace;
+  color: var(--text-secondary);
+}
+
+.fps-badge #fps {
+  color: var(--accent);
+  font-weight: 600;
+}
+
+.status-dot {
+  width: 8px;
+  height: 8px;
+  border-radius: 50%;
+  background: var(--text-muted);
+}
+
+.status-dot.loading {
+  background: var(--warning);
+  animation: pulse 1.5s infinite;
+}
+
+.status-dot.ready {
+  background: var(--success);
+}
+
+.status-dot.running {
+  background: var(--success);
+  animation: pulse 1.5s infinite;
+}
+
+.status-dot.error {
+  background: var(--error);
+}
+
+@keyframes pulse {
+  0%, 100% { opacity: 1; }
+  50% { opacity: 0.5; }
+}
+
+/* ============ Controls ============ */
+.controls {
+  display: flex;
+  flex-direction: column;
+  gap: 1.25rem;
+  background: var(--bg-secondary);
+  padding: 1.5rem;
+  border-radius: var(--radius);
+  border: 1px solid var(--border);
+}
+
+.control-group {
+  display: flex;
+  flex-direction: column;
+  gap: 0.5rem;
+}
+
+.control-group label {
+  font-size: 0.85rem;
+  font-weight: 500;
+  color: var(--text-secondary);
+}
+
+/* Select */
+select {
+  appearance: none;
+  background: var(--bg-tertiary);
+  border: 1px solid var(--border);
+  color: var(--text-primary);
+  padding: 0.75rem 1rem;
+  border-radius: 8px;
+  font-size: 0.9rem;
+  cursor: pointer;
+  transition: border-color 0.2s;
+  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%23a1a1aa' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
+  background-repeat: no-repeat;
+  background-position: right 0.75rem center;
+}
+
+select:hover {
+  border-color: var(--accent);
+}
+
+select:focus {
+  outline: none;
+  border-color: var(--accent);
+  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
+}
+
+/* Toggle Group */
+.toggle-group {
+  display: flex;
+  gap: 1.5rem;
+}
+
+.toggle {
+  display: flex;
+  align-items: center;
+  gap: 0.75rem;
+  cursor: pointer;
+  user-select: none;
+}
+
+.toggle input {
+  display: none;
+}
+
+.toggle-slider {
+  width: 44px;
+  height: 24px;
+  background: var(--bg-tertiary);
+  border-radius: 12px;
+  position: relative;
+  transition: background 0.2s;
+  border: 1px solid var(--border);
+}
+
+.toggle-slider::after {
+  content: '';
+  position: absolute;
+  top: 2px;
+  left: 2px;
+  width: 18px;
+  height: 18px;
+  background: var(--text-secondary);
+  border-radius: 50%;
+  transition: transform 0.2s, background 0.2s;
+}
+
+.toggle input:checked + .toggle-slider {
+  background: var(--accent);
+  border-color: var(--accent);
+}
+
+.toggle input:checked + .toggle-slider::after {
+  transform: translateX(20px);
+  background: white;
+}
+
+.toggle-label {
+  font-size: 0.9rem;
+  color: var(--text-primary);
+}
+
+/* Threshold Range */
+.threshold-control label {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+}
+
+.threshold-control #threshold-value {
+  background: var(--bg-tertiary);
+  padding: 0.25rem 0.5rem;
+  border-radius: 4px;
+  font-family: 'SF Mono', 'Fira Code', monospace;
+  font-size: 0.8rem;
+  color: var(--accent);
+}
+
+input[type="range"] {
+  -webkit-appearance: none;
+  appearance: none;
+  width: 100%;
+  height: 6px;
+  background: var(--bg-tertiary);
+  border-radius: 3px;
+  cursor: pointer;
+}
+
+input[type="range"]::-webkit-slider-thumb {
+  -webkit-appearance: none;
+  width: 18px;
+  height: 18px;
+  background: var(--accent);
+  border-radius: 50%;
+  cursor: pointer;
+  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.4);
+  transition: transform 0.2s;
+}
+
+input[type="range"]::-webkit-slider-thumb:hover {
+  transform: scale(1.1);
+}
+
+input[type="range"]::-moz-range-thumb {
+  width: 18px;
+  height: 18px;
+  background: var(--accent);
+  border: none;
+  border-radius: 50%;
+  cursor: pointer;
+}
+
+/* Primary Button */
+.btn-primary {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  gap: 0.75rem;
+  padding: 0.875rem 1.5rem;
+  background: var(--accent);
+  color: white;
+  border: none;
+  border-radius: 8px;
+  font-size: 0.95rem;
+  font-weight: 600;
+  cursor: pointer;
+  transition: background 0.2s, transform 0.1s, box-shadow 0.2s;
+  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
+}
+
+.btn-primary:hover:not(:disabled) {
+  background: var(--accent-hover);
+  transform: translateY(-1px);
+  box-shadow: 0 6px 16px rgba(99, 102, 241, 0.4);
+}
+
+.btn-primary:active:not(:disabled) {
+  transform: translateY(0);
+}
+
+.btn-primary:disabled {
+  opacity: 0.5;
+  cursor: not-allowed;
+}
+
+.btn-primary.running {
+  background: var(--error);
+  box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
+}
+
+.btn-primary.running:hover:not(:disabled) {
+  background: #f87171;
+  box-shadow: 0 6px 16px rgba(239, 68, 68, 0.4);
+}
+
+#btn-icon {
+  font-size: 0.8rem;
+}
+
+/* ============ Footer ============ */
+.footer {
+  text-align: center;
+  margin-top: auto;
+  padding-top: 1rem;
+}
+
+.footer p {
+  font-size: 0.85rem;
+  color: var(--text-muted);
+}
+
+.footer a {
+  color: var(--accent);
+  text-decoration: none;
+  transition: color 0.2s;
+}
+
+.footer a:hover {
+  color: var(--accent-hover);
+}
+
+/* ============ Responsive ============ */
+@media (max-width: 768px) {
+  .main-content {
+    grid-template-columns: 1fr;
+  }
+
+  .controls {
+    order: 1;
+  }
+
+  .video-section {
+    order: 0;
+  }
+}
+
+@media (max-width: 480px) {
+  .container {
+    padding: 1.5rem 1rem;
+    gap: 1.5rem;
+  }
+
+  .title {
+    font-size: 1.5rem;
+  }
+
+  .toggle-group {
+    flex-direction: column;
+    gap: 1rem;
+  }
+
+  .controls {
+    padding: 1.25rem;
+  }
 }