frontend/src/index.css

@import url('https://fonts.googleapis.com/css2?family=Fira+Code:wght@400;500;600&family=Inter:wght@300;400;500;600;700&display=swap');

@import "tailwindcss";

@theme {
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'Fira Code', 'Courier New', monospace;

  --color-border: hsl(var(--border));
  --color-input: hsl(var(--input));
  --color-ring: hsl(var(--ring));
  --color-background: hsl(var(--background));
  --color-foreground: hsl(var(--foreground));

  --color-primary: hsl(var(--primary));
  --color-primary-foreground: hsl(var(--primary-foreground));

  --color-secondary: hsl(var(--secondary));
  --color-secondary-foreground: hsl(var(--secondary-foreground));

  --color-muted: hsl(var(--muted));
  --color-muted-foreground: hsl(var(--muted-foreground));

  --color-accent: hsl(var(--accent));
  --color-accent-foreground: hsl(var(--accent-foreground));

  --color-popover: hsl(var(--popover));
  --color-popover-foreground: hsl(var(--popover-foreground));

  --color-card: hsl(var(--card));
  --color-card-foreground: hsl(var(--card-foreground));
  
  --radius-lg: var(--radius);
  --radius-md: calc(var(--radius) - 2px);
  --radius-sm: calc(var(--radius) - 4px);
}

:root {
  /* High Fidelity Deep Purple Reference Theme */
  --background: 250 33% 5%;       /* #090810 */
  --foreground: 250 20% 98%;      /* #eae9fc */

  --muted: 250 15% 12%;           /* #1a1829 */
  --muted-foreground: 250 12% 65%;/* #9c97b5 */

  --popover: 250 33% 5%;          /* #090810 */
  --popover-foreground: 250 20% 98%;

  --card: 250 32% 10%;            /* #131121 */
  --card-foreground: 250 20% 98%;

  --border: 247 25% 15%;          /* #1d1b2e */
  --input: 247 25% 15%;

  --primary: 252 65% 55%;         /* #6344d5 - Violet Accent */
  --primary-foreground: 0 0% 100%;

  --secondary: 250 28% 18%;       /* #2b1854 - Soft active capsule/bubble background */
  --secondary-foreground: 250 20% 98%;

  --accent: 252 50% 20%;          /* #251b47 */
  --accent-foreground: 250 20% 98%;

  --destructive: 0 85% 60%;
  --destructive-foreground: 0 0% 100%;

  --ring: 252 65% 55%;

  --radius: 0.75rem;
}

.light {
  /* Light fallback matching the scale */
  --background: 0 0% 100%;
  --foreground: 224 71% 4%;

  --muted: 220 14% 96%;
  --muted-foreground: 220 9% 46%;

  --popover: 0 0% 100%;
  --popover-foreground: 224 71% 4%;

  --card: 0 0% 99%;
  --card-foreground: 224 71% 4%;

  --border: 220 13% 91%;
  --input: 220 13% 91%;

  --primary: 252 65% 45%;
  --primary-foreground: 0 0% 100%;

  --secondary: 220 14% 96%;
  --secondary-foreground: 224 71% 4%;

  --accent: 252 40% 94%;
  --accent-foreground: 252 65% 45%;
}

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

body {
  font-family: var(--font-sans);
  font-size: 14px;
  background-color: hsl(var(--background));
  color: hsl(var(--foreground));
  overflow: hidden;
  transition: background-color 0.2s ease, color 0.2s ease;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* Custom Scrollbars */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: hsl(var(--border));
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: hsl(var(--muted-foreground));
}

/* Shimmer Loader Effect */
@keyframes shimmer {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

.animate-shimmer {
  background: linear-gradient(
    90deg,
    hsl(var(--card)) 25%,
    color-mix(in srgb, hsl(var(--muted)) 60%, transparent) 50%,
    hsl(var(--card)) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite linear;
}

/* Custom interactive outline ring */
.focus-ring {
  outline: none;
  transition: box-shadow 0.2s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.focus-ring:focus-visible {
  box-shadow: 0 0 0 2px hsl(var(--background)), 0 0 0 4px hsl(var(--primary));
  border-color: hsl(var(--primary));
}

/* Glassmorphic Blur panel */
.glass-panel {
  background: color-mix(in srgb, hsl(var(--card)) 70%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

/* Subtle Glowing Borders & Accents */
.glow-primary {
  box-shadow: 0 0 15px -3px color-mix(in srgb, hsl(var(--primary)) 40%, transparent);
}

.border-glow-hover:hover {
  border-color: color-mix(in srgb, hsl(var(--primary)) 50%, transparent);
  box-shadow: 0 0 12px -5px color-mix(in srgb, hsl(var(--primary)) 30%, transparent);
}

/* Premium Selection Colors */
::selection {
  background-color: color-mix(in srgb, hsl(var(--primary)) 30%, transparent);
  color: hsl(var(--foreground));
}

/* Micro Animations */
@keyframes pulse-glow {
  0%, 100% {
    opacity: 0.15;
    transform: scale(1);
  }
  50% {
    opacity: 0.35;
    transform: scale(1.05);
  }
}

.animate-pulse-glow {
  animation: pulse-glow 4s ease-in-out infinite;
}

/* Custom buttons */
.btn-primary {
  background-color: hsl(var(--primary));
  color: hsl(var(--primary-foreground));
  border-radius: var(--radius);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px color-mix(in srgb, hsl(var(--primary)) 40%, transparent);
}

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