@import "tailwindcss";
@import "tw-animate-css";

/* Dark variant helper */
@custom-variant dark (&:is(.dark *));

@theme inline {
  --color-background: var(--background);
  --color-foreground: var(--foreground);
  --color-card: var(--card);
  --color-card-foreground: var(--card-foreground);
  --color-popover: var(--popover);
  --color-popover-foreground: var(--popover-foreground);
  --color-primary: var(--primary);
  --color-primary-foreground: var(--primary-foreground);
  --color-secondary: var(--secondary);
  --color-secondary-foreground: var(--secondary-foreground);
  --color-muted: var(--muted);
  --color-muted-foreground: var(--muted-foreground);
  --color-accent: var(--accent);
  --color-accent-foreground: var(--accent-foreground);
  --color-destructive: var(--destructive);
  --color-border: var(--border);
  --color-input: var(--input);
  --color-ring: var(--ring);

  --radius-sm: calc(var(--radius) - 4px);
  --radius-md: calc(var(--radius) - 2px);
  --radius-lg: var(--radius);
  --radius-xl: calc(var(--radius) + 4px);
  --radius-2xl: calc(var(--radius) + 8px);
  --radius-3xl: calc(var(--radius) + 12px);
  --radius-4xl: calc(var(--radius) + 16px);
}

/* Root variables (light theme) */
:root {
  --radius: 0.75rem;
  --background: oklch(1 0 0);
  --foreground: oklch(0.145 0 0);
  --card: oklch(1 0 0);
  --card-foreground: oklch(0.145 0 0);
  --popover: oklch(1 0 0);
  --popover-foreground: oklch(0.145 0 0);
  --primary: oklch(0.205 0 0);
  --primary-foreground: oklch(0.985 0 0);
  --secondary: oklch(0.97 0 0);
  --secondary-foreground: oklch(0.205 0 0);
  --muted: oklch(0.97 0 0);
  --muted-foreground: oklch(0.556 0 0);
  --accent: oklch(0.97 0 0);
  --accent-foreground: oklch(0.205 0 0);
  --destructive: oklch(0.577 0.245 27.325);
  --border: oklch(0.922 0 0);
  --input: oklch(0.922 0 0);
  --ring: oklch(0.708 0 0);
}

/* Dark theme variables */
.dark {
  --background: rgb(9, 9, 12);
  --foreground: rgb(245, 245, 245);

  --card: rgb(14, 14, 19);
  --card-foreground: rgb(245, 245, 245);

  --popover: rgb(14, 14, 19);
  --popover-foreground: rgb(245, 245, 245);

  /* Signature purple */
  --primary: rgb(201, 133, 255);
  --primary-foreground: rgb(9, 9, 12);

  --secondary: rgb(27, 27, 34);
  --secondary-foreground: rgb(217, 217, 217);

  --muted: rgb(34, 34, 43);
  --muted-foreground: rgb(134, 134, 147);

  --accent: rgb(201, 133, 255);
  --accent-foreground: rgb(9, 9, 12);

  --destructive: rgb(222, 45, 45);
  --destructive-foreground: rgb(250, 250, 250);

  --border: rgb(41, 41, 51);
  --input: rgb(41, 41, 51);

  --ring: rgb(201, 133, 255);

  /* Custom DevRun tokens */
  --glow-primary: rgb(201, 133, 255);
  --glow-gold: rgb(249, 196, 47);
  --glow-silver: rgb(191, 191, 191);
  --glow-bronze: rgb(217, 140, 38);

  --success: rgb(28, 201, 97);
  --warning: rgb(249, 196, 47);

  /* Gradients */
  --gradient-purple: linear-gradient(135deg,
      rgb(201, 133, 255) 0%,
      rgb(176, 82, 236) 100%);

  --gradient-card: linear-gradient(180deg,
      rgb(18, 18, 25) 0%,
      rgb(11, 11, 16) 100%);

  --gradient-hero: radial-gradient(ellipse at top,
      rgba(201, 133, 255, 0.15) 0%,
      transparent 60%);

}

/* Base layer */
@layer base {
  * {
    @apply border-border outline-ring/50;
  }

  body {
    @apply bg-background text-foreground antialiased;
    font-family: 'Space Grotesk', sans-serif;
  }

  h1,
  h2,
  h3,
  h4,
  h5,
  h6 {
    font-family: 'Space Grotesk', sans-serif;
    @apply font-bold tracking-tight;
  }

  .font-mono {
    font-family: 'JetBrains Mono', monospace;
  }
}

/* Components layer */
@layer components {
  .glow-purple {
    box-shadow: 0 0 20px var(--primary)/0.3, 0 0 40px var(--primary)/0.1;
  }

  .glow-purple-intense {
    box-shadow: 0 0 30px var(--primary)/0.5, 0 0 60px var(--primary)/0.2;
  }

  .hover-underline {
    @apply relative;
  }

  .hover-underline::after {
    content: "";
    @apply absolute bottom-0 left-0 w-0 h-[2px] bg-primary transition-all duration-300;
  }

  .hover-underline:hover::after {
    @apply w-full;
  }
}

@layer components {

  /* ===== Glow effects ===== */
  .glow-purple {
    box-shadow:
      0 0 20px color-mix(in oklch, var(--primary) 30%, transparent),
      0 0 40px color-mix(in oklch, var(--primary) 10%, transparent);
  }

  .glow-purple-intense {
    box-shadow:
      0 0 30px color-mix(in oklch, var(--primary) 50%, transparent),
      0 0 60px color-mix(in oklch, var(--primary) 20%, transparent);
  }

  .glow-gold {
    box-shadow: 0 0 20px color-mix(in oklch, var(--chart-4) 40%, transparent);
  }

  .glow-silver {
    box-shadow: 0 0 20px color-mix(in oklch, var(--foreground) 30%, transparent);
  }

  .glow-bronze {
    box-shadow: 0 0 20px color-mix(in oklch, var(--chart-5) 30%, transparent);
  }

  /* ===== Text glow ===== */
  .text-glow {
    text-shadow: 0 0 20px color-mix(in oklch, var(--primary) 50%, transparent);
  }

  /* ===== Hover underline ===== */
  .hover-underline {
    @apply relative;
  }

  .hover-underline::after {
    content: "";
    @apply absolute left-0 bottom-0 h-[2px] w-0 bg-primary transition-all duration-300;
  }

  .hover-underline:hover::after {
    @apply w-full;
  }

  /* ===== Card hover ===== */
  .card-hover {
    @apply transition-all duration-300 ease-out;
  }

  .card-hover:hover {
    @apply -translate-y-1;
    box-shadow: 0 10px 40px color-mix(in oklch, var(--primary) 15%, transparent);
  }

  /* ===== Timer / mono UI ===== */
  .timer-display {
    font-family: var(--font-geist-mono);
    @apply text-6xl font-bold tracking-wider;
    text-shadow: 0 0 30px color-mix(in oklch, var(--primary) 60%, transparent);
  }

  .split-time {
    font-family: var(--font-geist-mono);
    @apply text-sm tracking-wide;
  }

  /* ===== Rank badges ===== */
  .rank-gold {
    @apply bg-gradient-to-r from-yellow-500 to-amber-400 text-black;
  }

  .rank-silver {
    @apply bg-gradient-to-r from-gray-300 to-gray-400 text-black;
  }

  .rank-bronze {
    @apply bg-gradient-to-r from-orange-600 to-amber-700 text-white;
  }

  /* ===== Difficulty badges ===== */
  .diff-easy {
    @apply bg-emerald-500/20 text-emerald-400 border border-emerald-500/30;
  }

  .diff-medium {
    @apply bg-amber-500/20 text-amber-400 border border-amber-500/30;
  }

  .diff-hard {
    @apply bg-red-500/20 text-red-400 border border-red-500/30;
  }

  /* ===== Animations ===== */
  .pulse-live {
    animation: pulse-glow 2s ease-in-out infinite;
  }

  .animate-fade-in {
    animation: fade-in 0.5s ease-out both;
  }

  /* ===== Stagger delays ===== */
  .stagger-1 {
    animation-delay: 0.1s;
  }

  .stagger-2 {
    animation-delay: 0.2s;
  }

  .stagger-3 {
    animation-delay: 0.3s;
  }

  .stagger-4 {
    animation-delay: 0.4s;
  }

  .stagger-5 {
    animation-delay: 0.5s;
  }
}

@layer utilities {
  @keyframes pulse-glow {

    0%,
    100% {
      opacity: 1;
    }

    50% {
      opacity: 0.7;
    }
  }

  @keyframes fade-in {
    from {
      opacity: 0;
      transform: translateY(10px);
    }

    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
}