:root {
  --glass-opacity: 0.5;
  --glass-blur: 20px;
  /* Use a very faint white or fully transparent base as requested "no white" */
  --glass-bg: rgba(255, 255, 255, var(--glass-opacity)); 
  --glass-border: rgba(255, 255, 255, 0.2);
  --text-primary: #1f2937;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, sans-serif;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  overflow: hidden;
}

#bg-video {
  position: fixed;
  right: 0;
  bottom: 0;
  min-width: 100%;
  min-height: 100%;
  width: auto;
  height: auto;
  z-index: -1000;
  object-fit: cover;
}

/* Top Controls */
.top-controls {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 20px;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-radius: 30px;
  border: 1px solid var(--glass-border);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
}

.top-controls:hover {
  background: rgba(255, 255, 255, 0.2);
  box-shadow: 0 8px 12px rgba(0, 0, 0, 0.1);
}

.control-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.control-icon {
  font-size: 16px;
  opacity: 0.7;
}

input[type=range] {
  -webkit-appearance: none;
  width: 80px; 
  background: transparent;
}

input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none;
  height: 14px;
  width: 14px;
  border-radius: 50%;
  background: var(--text-primary);
  cursor: pointer;
  margin-top: -5px; 
}

input[type=range]::-webkit-slider-runnable-track {
  width: 100%;
  height: 4px;
  cursor: pointer;
  background: rgba(0,0,0,0.1);
  border-radius: 2px;
}

.control-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 18px;
  padding: 4px;
  border-radius: 50%;
  transition: transform 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
}

.control-btn:hover {
  transform: scale(1.1);
}

/* Main Container (Glass Panel) */
.container {
  width: 100%;
  max-width: 600px;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-radius: 32px;
  border: 1px solid var(--glass-border);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  transition: background 0.3s ease, backdrop-filter 0.3s ease;
  padding: 40px;
}


/* Header */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 40px;
}

.header-title {
  font-size: 24px;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}

/* Status */
.status {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 100px;
  background: rgba(0, 0, 0, 0.05);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.status.connected .status-dot {
  background: #10b981;
  box-shadow: 0 0 8px #10b981;
}

.status.disconnected .status-dot {
  background: #ef4444;
}

/* Main Content */
.main-content {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* Input Section */
.input-section {
  display: flex;
  flex-direction: column;
  gap: 16px;
  width: 100%;
  max-width: 320px;
  margin-bottom: 30px;
}

.glass-input {
  width: 100%;
  padding: 16px 20px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.2);
  color: var(--text-primary);
  font-size: 16px;
  outline: none;
  transition: all 0.3s ease;
  text-align: center;
}

.glass-input::placeholder {
  color: #6b7280;
}

.glass-input:focus {
  background: rgba(255, 255, 255, 0.4);
  border-color: rgba(255, 255, 255, 0.6);
  box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.1);
}

.primary-btn {
  width: 100%;
  padding: 16px;
  border-radius: 16px;
  border: none;
  background: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
  color: white;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.primary-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(99, 102, 241, 0.4);
}

.primary-btn:active {
  transform: translateY(0);
}

/* Frog Animation */
.frog-container {
  margin-bottom: 30px;
  position: relative;
}

.frog {
  width: 160px;
  height: 160px;
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  filter: drop-shadow(0 10px 20px rgba(0,0,0,0.1));
}

.frog.jumping {
  animation: jump 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes jump {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-40px) scale(1.1); }
}

/* Message */
.message {
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 40px;
  min-height: 24px;
  font-weight: 500;
}

/* Debug Controls */
.debug-controls {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.debug-btn {
  padding: 10px 24px;
  border: 1px solid rgba(0,0,0,0.08);
  background: rgba(255,255,255,0.5);
  border-radius: 12px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.debug-btn:hover {
  background: rgba(255,255,255,0.9);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.debug-btn:active {
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 600px) {
  .top-controls {
    top: 16px;
    right: 16px;
    padding: 8px 16px;
  }
  
  .container {
    padding: 24px;
    border-radius: 24px;
  }

  .header-title {
    font-size: 20px;
  }
  
  .frog {
    width: 120px;
    height: 120px;
  }
}