:root {
  --primary-color: #ff5722; /* Vibrant Orange */
  --primary-light: #ffccbc;
  --secondary-color: #2196f3; /* Blue */
  --accent-color: #ffc107; /* Amber */
  --success-color: #4caf50;
  --danger-color: #f44336;

  --background-base: #f5f7fa;
  --text-main: #2d3748;
  --text-secondary: #718096;

  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.8);
  --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.1);

  --card-bg: rgba(255, 255, 255, 0.85);
}

body {
  font-family: "Inter", sans-serif;
  background-color: var(--background-base);
  color: var(--text-main);
  margin: 0;
  padding: 0;
  overflow-x: hidden;
  background-image: radial-gradient(
      at 0% 0%,
      rgba(255, 87, 34, 0.1) 0px,
      transparent 50%
    ),
    radial-gradient(at 100% 0%, rgba(33, 150, 243, 0.1) 0px, transparent 50%),
    radial-gradient(at 100% 100%, rgba(76, 175, 80, 0.1) 0px, transparent 50%),
    radial-gradient(at 0% 100%, rgba(255, 193, 7, 0.1) 0px, transparent 50%);
  background-attachment: fixed;
}

/* Tech Background Pattern */
.bg-pattern {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  opacity: 0.4;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%239C92AC' fill-opacity='0.15'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.glass-panel {
  background: var(--card-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  box-shadow: var(--glass-shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.glass-panel:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px 0 rgba(31, 38, 135, 0.15);
}

/* Animations */
@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translate3d(0, -20px, 0);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translate3d(0, 20px, 0);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

@keyframes pulse-soft {
  0% {
    box-shadow: 0 0 0 0 rgba(255, 87, 34, 0.4);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(255, 87, 34, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(255, 87, 34, 0);
  }
}

.animate-fade-in-down {
  animation: fadeInDown 0.8s ease-out forwards;
}

.animate-fade-in-up {
  animation: fadeInUp 0.8s ease-out forwards;
  opacity: 0; /* Start hidden */
}

.delay-100 {
  animation-delay: 0.1s;
}
.delay-200 {
  animation-delay: 0.2s;
}
.delay-300 {
  animation-delay: 0.3s;
}

/* Buttons & Controls */
.control-btn {
  background: white;
  border: 1px solid #e2e8f0;
  color: var(--text-main);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
  transition: all 0.2s ease;
}

.control-btn:hover {
  background: #f8fafc;
  border-color: #cbd5e0;
  transform: translateY(-1px);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.control-btn:active {
  transform: translateY(0);
  box-shadow: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color), #ff8a65);
  color: white;
  border: none;
  box-shadow: 0 4px 14px rgba(255, 87, 34, 0.3);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(255, 87, 34, 0.4);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
  background: #cbd5e0;
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: #a0aec0;
}

/* Range Slider Styling */
input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  background: transparent;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  height: 20px;
  width: 20px;
  border-radius: 50%;
  background: var(--primary-color);
  cursor: pointer;
  margin-top: -8px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

input[type="range"]::-webkit-slider-runnable-track {
  width: 100%;
  height: 4px;
  cursor: pointer;
  background: #e2e8f0;
  border-radius: 2px;
}