:root {
  /* Light Theme Colors (Reference Image 2) */
  --bg-body-light: #f4f6fa;
  --bg-gradient-light: linear-gradient(135deg, #e8f5e9 0%, #e0f2f1 100%);
  --bg-card-light: #ffffff;
  --text-primary-light: #1e293b;
  --text-secondary-light: #64748b;
  --border-color-light: #e2e8f0;
  --nav-bg-light: #ffffff;
  --nav-text-light: #64748b;
  --nav-active-light: #0d6efd;

  /* Dark Theme Colors (Reference Image 1) */
  --bg-body-dark: #0b1120;
  --bg-gradient-dark: none;
  --bg-card-dark: #0f172a;
  --text-primary-dark: #f8fafc;
  --text-secondary-dark: #94a3b8;
  --border-color-dark: #1e293b;
  --nav-bg-dark: #1e293b;
  --nav-text-dark: #94a3b8;
  --nav-active-dark: #38bdf8;
}

[data-theme="light"] {
  --bg-body: var(--bg-body-light);
  --bg-gradient: var(--bg-gradient-light);
  --bg-card: var(--bg-card-light);
  --text-primary: var(--text-primary-light);
  --text-secondary: var(--text-secondary-light);
  --border-color: var(--border-color-light);
  --nav-bg: var(--nav-bg-light);
  --nav-text: var(--nav-text-light);
  --nav-active: var(--nav-active-light);
}

[data-theme="dark"] {
  --bg-body: var(--bg-body-dark);
  --bg-gradient: var(--bg-gradient-dark);
  --bg-card: var(--bg-card-dark);
  --text-primary: var(--text-primary-dark);
  --text-secondary: var(--text-secondary-dark);
  --border-color: var(--border-color-dark);
  --nav-bg: var(--nav-bg-dark);
  --nav-text: var(--nav-text-dark);
  --nav-active: var(--nav-active-dark);
}

body {
  font-family: "Outfit", "Inter", sans-serif;
  background-color: var(--bg-body);
  background-image: var(--bg-gradient);
  color: var(--text-primary);
  transition: background-color 0.3s ease, color 0.3s ease;
  min-height: 100vh;
  padding-bottom: 100px; /* Space for bottom nav */
}

/* Bottom Navigation Bar */
.bottom-nav {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--nav-bg);
  border-radius: 30px;
  display: flex;
  align-items: center;
  padding: 10px 20px;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.2), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  z-index: 1000;
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid var(--border-color);
}

.bottom-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--nav-text);
  text-decoration: none;
  padding: 5px 15px;
  font-size: 0.75rem;
  font-weight: 600;
  transition: color 0.3s ease;
  min-width: 80px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.bottom-nav-item i {
  font-size: 1.25rem;
  margin-bottom: 5px;
}

.bottom-nav-item:hover,
.bottom-nav-item.active {
  color: var(--nav-active);
}

.theme-toggle-btn {
  background: none;
  border: none;
  color: var(--nav-text);
  font-size: 1.25rem;
  cursor: pointer;
  padding: 5px 15px;
  transition: color 0.3s ease;
  border-left: 1px solid var(--border-color);
  margin-left: 5px;
}

.theme-toggle-btn:hover {
  color: var(--text-primary);
}

.main-content {
  padding: 30px 15px;
  max-width: 1200px;
  margin: 0 auto;
}

/* Base Card Overrides */
.card {
  background-color: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

.text-muted {
  color: var(--text-secondary) !important;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--text-primary);
}

/* Glowing text classes for specific elements */
.text-glow-primary {
  color: #38bdf8;
  text-shadow: 0 0 10px rgba(56, 189, 248, 0.3);
}
.text-glow-purple {
  color: #c084fc;
  text-shadow: 0 0 10px rgba(192, 132, 252, 0.3);
}
.text-glow-success {
  color: #4ade80;
  text-shadow: 0 0 10px rgba(74, 222, 128, 0.3);
}

.stat-card {
  border: none;
  border-radius: 12px;
  box-shadow: 0 0.15rem 1.75rem 0 rgba(58, 59, 69, 0.15);
  transition: transform 0.2s;
}

.stat-card:hover {
  transform: translateY(-5px);
}

.video-container {
  background-color: #1a1a1a;
  border-radius: 12px;
  overflow: hidden;
  position: relative;
  width: 100%;
  aspect-ratio: 4/3;
  box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

#videoElement {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scaleX(-1); /* Mirror webcam */
}

/* Canvas for drawing bounding boxes overlaying the video */
#canvasElement {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  transform: scaleX(-1);
}

.pulse {
  animation: pulse-animation 2s infinite;
}

@keyframes pulse-animation {
  0% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(78, 115, 223, 0.7);
  }
  70% {
    transform: scale(1);
    box-shadow: 0 0 0 10px rgba(78, 115, 223, 0);
  }
  100% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(78, 115, 223, 0);
  }
}