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

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

/* ============================================
   LIGHT MODE — "Innocent / LOL" surface
   Bubbly pastels, cotton candy, friendly SaaS
   ============================================ */
:root {
  --background: oklch(0.97 0.01 80);
  --foreground: oklch(0.25 0.02 260);

  --card: oklch(0.99 0.005 80);
  --card-foreground: oklch(0.25 0.02 260);

  --popover: oklch(0.99 0.005 80);
  --popover-foreground: oklch(0.25 0.02 260);

  /* Sky blue / cornflower */
  --primary: oklch(0.65 0.18 240);
  --primary-foreground: oklch(0.98 0.005 80);

  /* Soft lavender */
  --secondary: oklch(0.75 0.12 300);
  --secondary-foreground: oklch(0.25 0.02 260);

  --muted: oklch(0.92 0.02 240);
  --muted-foreground: oklch(0.55 0.02 260);

  /* Peachy coral */
  --accent: oklch(0.75 0.15 25);
  --accent-foreground: oklch(0.25 0.02 260);

  /* Warm red for danger data */
  --destructive: oklch(0.60 0.25 25);
  --destructive-foreground: oklch(0.98 0.005 80);

  --border: oklch(0.88 0.02 260);
  --input: oklch(0.88 0.02 260);
  --ring: oklch(0.65 0.18 240);

  /* Chart colors */
  --chart-1: oklch(0.65 0.18 240);
  --chart-2: oklch(0.60 0.25 25);
  --chart-3: oklch(0.75 0.12 300);
  --chart-4: oklch(0.70 0.15 160);
  --chart-5: oklch(0.75 0.15 25);

  --radius: 1rem;

  /* Glitch colors */
  --glitch-1: oklch(0.65 0.18 240);
  --glitch-2: oklch(0.75 0.15 25);
  --glitch-3: oklch(0.75 0.12 300);

  /* Scroll depth (set by JS) */
  --scroll-depth: 0;
}

/* ============================================
   DARK MODE — "Cyberpunk / Fight Club" reveal
   Terminal green, neon, CRT scanlines
   ============================================ */
.dark {
  --background: oklch(0.10 0.04 160);
  --foreground: oklch(0.90 0.20 145);

  --card: oklch(0.14 0.04 160);
  --card-foreground: oklch(0.90 0.20 145);

  --popover: oklch(0.14 0.04 160);
  --popover-foreground: oklch(0.90 0.20 145);

  /* Neon cyan */
  --primary: oklch(0.80 0.25 190);
  --primary-foreground: oklch(0.10 0.04 160);

  /* Hot magenta */
  --secondary: oklch(0.70 0.30 330);
  --secondary-foreground: oklch(0.10 0.04 160);

  --muted: oklch(0.25 0.04 160);
  --muted-foreground: oklch(0.60 0.10 145);

  /* Warning amber */
  --accent: oklch(0.80 0.25 85);
  --accent-foreground: oklch(0.10 0.04 160);

  --destructive: oklch(0.65 0.30 25);
  --destructive-foreground: oklch(0.98 0.005 80);

  --border: oklch(0.30 0.06 160);
  --input: oklch(0.25 0.04 160);
  --ring: oklch(0.80 0.25 190);

  --chart-1: oklch(0.80 0.25 190);
  --chart-2: oklch(0.65 0.30 25);
  --chart-3: oklch(0.70 0.30 330);
  --chart-4: oklch(0.80 0.25 85);
  --chart-5: oklch(0.75 0.20 145);

  --glitch-1: oklch(0.80 0.25 190);
  --glitch-2: oklch(0.70 0.30 330);
  --glitch-3: oklch(0.80 0.25 85);
}

@theme inline {
  --font-sans: "Nunito", "Nunito Fallback", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", "Fira Code", monospace;
  --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-destructive-foreground: var(--destructive-foreground);
  --color-border: var(--border);
  --color-input: var(--input);
  --color-ring: var(--ring);
  --color-chart-1: var(--chart-1);
  --color-chart-2: var(--chart-2);
  --color-chart-3: var(--chart-3);
  --color-chart-4: var(--chart-4);
  --color-chart-5: var(--chart-5);
  --radius-sm: calc(var(--radius) - 4px);
  --radius-md: calc(var(--radius) - 2px);
  --radius-lg: var(--radius);
  --radius-xl: calc(var(--radius) + 4px);
}

@layer base {
  * {
    @apply border-border outline-ring/50;
  }
  body {
    @apply bg-background text-foreground;
  }

  h1, h2, h3, h4, h5, h6 {
    @apply text-balance;
  }

  p {
    @apply text-pretty;
  }
}

/* ============================================
   GLITCH EFFECTS — Pure CSS
   ============================================ */

/* Glitch skew */
@keyframes glitch-skew {
  0%, 100% { transform: skew(0deg); }
  10% { transform: skew(-2deg); }
  20% { transform: skew(0.5deg); }
  30% { transform: skew(-0.3deg); }
  40% { transform: skew(0.8deg); }
  50% { transform: skew(0deg); }
}

/* Glitch clip + shift for ::before pseudo */
@keyframes glitch-before {
  0%, 100% {
    clip-path: inset(0 0 0 0);
    transform: translate(0);
  }
  5% {
    clip-path: inset(20% 0 60% 0);
    transform: translate(-3px, 1px);
  }
  10% {
    clip-path: inset(50% 0 30% 0);
    transform: translate(3px, -1px);
  }
  15% {
    clip-path: inset(0 0 0 0);
    transform: translate(0);
  }
}

/* Glitch clip + shift for ::after pseudo */
@keyframes glitch-after {
  0%, 100% {
    clip-path: inset(0 0 0 0);
    transform: translate(0);
  }
  5% {
    clip-path: inset(70% 0 10% 0);
    transform: translate(2px, 2px);
  }
  10% {
    clip-path: inset(10% 0 80% 0);
    transform: translate(-2px, -1px);
  }
  15% {
    clip-path: inset(0 0 0 0);
    transform: translate(0);
  }
}

/* Color channel split */
@keyframes glitch-color {
  0%, 100% { text-shadow: none; }
  25% { text-shadow: -2px 0 var(--glitch-1), 2px 0 var(--glitch-2); }
  50% { text-shadow: 2px 0 var(--glitch-3), -2px 0 var(--glitch-1); }
  75% { text-shadow: -1px 0 var(--glitch-2), 1px 0 var(--glitch-3); }
}

/* The glitch text component classes */
.glitch-text {
  position: relative;
  display: inline-block;
}

.glitch-text::before,
.glitch-text::after {
  content: attr(data-text);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0;
}

/* Hover trigger (light mode default) */
.glitch-text:hover::before,
.glitch-text[data-active="true"]::before {
  opacity: 0.8;
  animation: glitch-before 0.6s steps(2) infinite;
  color: var(--glitch-1);
}

.glitch-text:hover::after,
.glitch-text[data-active="true"]::after {
  opacity: 0.8;
  animation: glitch-after 0.6s steps(2) infinite reverse;
  color: var(--glitch-2);
}

.glitch-text:hover,
.glitch-text[data-active="true"] {
  animation: glitch-skew 0.5s steps(2) infinite, glitch-color 0.3s steps(2) infinite;
}

/* Dark mode: always active at low intensity */
:is(.dark *) .glitch-text::before {
  opacity: 0.3;
  animation: glitch-before 4s steps(2) infinite;
  color: var(--glitch-1);
}

:is(.dark *) .glitch-text::after {
  opacity: 0.3;
  animation: glitch-after 4s steps(2) infinite reverse;
  color: var(--glitch-2);
}

:is(.dark *) .glitch-text {
  animation: glitch-color 6s steps(2) infinite;
}

:is(.dark *) .glitch-text:hover::before {
  opacity: 0.8;
  animation-duration: 0.4s;
}

:is(.dark *) .glitch-text:hover::after {
  opacity: 0.8;
  animation-duration: 0.4s;
}

/* ============================================
   FLOATING ANIMATIONS
   ============================================ */

@keyframes float-gentle {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  25% { transform: translateY(-15px) rotate(2deg); }
  50% { transform: translateY(-5px) rotate(-1deg); }
  75% { transform: translateY(-20px) rotate(1deg); }
}

@keyframes float-drift {
  0%, 100% { transform: translateY(0px) translateX(0px); }
  25% { transform: translateY(-20px) translateX(10px); }
  50% { transform: translateY(0px) translateX(20px); }
  75% { transform: translateY(20px) translateX(10px); }
}

@keyframes float-bob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

/* ============================================
   SVG DRAW ANIMATION
   ============================================ */

@keyframes draw-line {
  to {
    stroke-dashoffset: 0;
  }
}

.draw-path {
  stroke-dasharray: 1000;
  stroke-dashoffset: 1000;
}

.draw-path[data-visible="true"] {
  animation: draw-line 2s ease-out forwards;
}

/* ============================================
   SCANLINE OVERLAY
   ============================================ */

.scanlines::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 10;
  background: repeating-linear-gradient(
    transparent,
    transparent 1px,
    oklch(0.50 0.20 145 / 0.03) 1px,
    oklch(0.50 0.20 145 / 0.03) 2px
  );
  opacity: 0;
  transition: opacity 0.5s ease;
}

:is(.dark *) .scanlines::after {
  opacity: 1;
}

.scanlines[data-in-view="true"]::after {
  opacity: 0.5;
}

:is(.dark *) .scanlines[data-in-view="true"]::after {
  opacity: 1;
}

/* ============================================
   CRT GLOW (dark mode SVG charts)
   ============================================ */

:is(.dark *) .crt-glow {
  filter: drop-shadow(0 0 4px var(--primary)) drop-shadow(0 0 8px var(--primary));
}

/* ============================================
   MODE SWITCH FLASH
   ============================================ */

@keyframes theme-glitch-flash {
  0% { opacity: 0; }
  10% { opacity: 1; clip-path: inset(30% 0 50% 0); }
  20% { opacity: 0; }
  30% { opacity: 1; clip-path: inset(60% 0 20% 0); }
  40% { opacity: 0; }
  50% { opacity: 1; clip-path: inset(10% 0 70% 0); }
  60% { opacity: 0; }
  100% { opacity: 0; }
}

.theme-flash {
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  background: linear-gradient(
    135deg,
    oklch(0.80 0.25 190 / 0.4),
    oklch(0.70 0.30 330 / 0.4),
    oklch(0.80 0.25 85 / 0.4)
  );
  animation: theme-glitch-flash 0.3s steps(3) forwards;
}

/* ============================================
   RESPONSIVE GLITCH REDUCTION
   ============================================ */

@media (prefers-reduced-motion: reduce) {
  .glitch-text::before,
  .glitch-text::after,
  .glitch-text,
  .draw-path[data-visible="true"],
  .float-element {
    animation: none !important;
  }

  .draw-path[data-visible="true"] {
    stroke-dashoffset: 0;
  }
}

/* ============================================
   DARK MODE FONT SWITCH
   In dark mode, headings use monospace
   ============================================ */

:is(.dark *) h1,
:is(.dark *) h2,
:is(.dark *) h3 {
  font-family: var(--font-mono);
  letter-spacing: -0.02em;
}