paint-ui/app/globals.css

@import "tailwindcss";

/* Source directives - scan components for Tailwind classes */
@source "../components/**/*.{js,ts,jsx,tsx}";
@source "*.{js,ts,jsx,tsx}";

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

/* CSS Variables for theming */
@layer base {
  :root {
    /* Light mode colors using OKLCH - creative palette for design tools */
    --background: oklch(98% 0.02 220);
    --foreground: oklch(18% 0.08 270);

    --card: oklch(99% 0.01 220);
    --card-foreground: oklch(18% 0.08 270);

    --popover: oklch(99% 0.01 220);
    --popover-foreground: oklch(18% 0.08 270);

    --primary: oklch(56% 0.25 265);
    --primary-foreground: oklch(99% 0.01 220);

    --secondary: oklch(92% 0.06 240);
    --secondary-foreground: oklch(22% 0.12 270);

    --muted: oklch(94% 0.04 230);
    --muted-foreground: oklch(42% 0.10 260);

    --accent: oklch(88% 0.10 200);
    --accent-foreground: oklch(22% 0.15 270);

    --destructive: oklch(58% 0.26 25);
    --destructive-foreground: oklch(99% 0.01 220);

    --border: oklch(86% 0.06 230);
    --input: oklch(92% 0.05 230);
    --ring: oklch(56% 0.25 265);

    --radius: 0.5rem;

    --success: oklch(58% 0.22 150);
    --success-foreground: oklch(99% 0.01 220);

    --warning: oklch(68% 0.22 80);
    --warning-foreground: oklch(18% 0.08 270);

    --info: oklch(60% 0.22 240);
    --info-foreground: oklch(99% 0.01 220);

    /* Canvas-specific colors */
    --canvas-bg: oklch(96% 0.01 220);
    --canvas-grid: oklch(88% 0.03 230);
    --canvas-selection: oklch(56% 0.25 265 / 0.3);
    --canvas-selection-border: oklch(56% 0.25 265);
    --ruler-bg: oklch(94% 0.03 220);
    --ruler-fg: oklch(40% 0.08 260);
  }

  .dark {
    /* Dark mode colors using OKLCH - professional design tool palette */
    --background: oklch(16% 0.015 270);
    --foreground: oklch(92% 0.02 220);

    --card: oklch(19% 0.02 275);
    --card-foreground: oklch(92% 0.02 220);

    --popover: oklch(19% 0.02 275);
    --popover-foreground: oklch(92% 0.02 220);

    --primary: oklch(72% 0.22 270);
    --primary-foreground: oklch(19% 0.02 275);

    --secondary: oklch(23% 0.03 280);
    --secondary-foreground: oklch(85% 0.12 220);

    --muted: oklch(21% 0.02 275);
    --muted-foreground: oklch(64% 0.08 240);

    --accent: oklch(26% 0.03 285);
    --accent-foreground: oklch(82% 0.18 260);

    --destructive: oklch(62% 0.24 25);
    --destructive-foreground: oklch(92% 0.02 220);

    --border: oklch(32% 0.04 280);
    --input: oklch(23% 0.03 280);
    --ring: oklch(72% 0.22 270);

    --success: oklch(68% 0.20 150);
    --success-foreground: oklch(19% 0.02 275);

    --warning: oklch(72% 0.20 80);
    --warning-foreground: oklch(19% 0.02 275);

    --info: oklch(68% 0.20 240);
    --info-foreground: oklch(19% 0.02 275);

    /* Canvas-specific colors */
    --canvas-bg: oklch(14% 0.015 270);
    --canvas-grid: oklch(28% 0.03 280);
    --canvas-selection: oklch(72% 0.22 270 / 0.25);
    --canvas-selection-border: oklch(72% 0.22 270);
    --ruler-bg: oklch(18% 0.02 275);
    --ruler-fg: oklch(68% 0.08 240);
  }
}

/* Theme inline - map CSS variables to Tailwind colors */
@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-destructive-foreground: var(--destructive-foreground);
  --color-border: var(--border);
  --color-input: var(--input);
  --color-ring: var(--ring);
  --color-success: var(--success);
  --color-success-foreground: var(--success-foreground);
  --color-warning: var(--warning);
  --color-warning-foreground: var(--warning-foreground);
  --color-info: var(--info);
  --color-info-foreground: var(--info-foreground);
  --color-canvas-bg: var(--canvas-bg);
  --color-canvas-grid: var(--canvas-grid);
  --color-canvas-selection: var(--canvas-selection);
  --color-canvas-selection-border: var(--canvas-selection-border);
  --color-ruler-bg: var(--ruler-bg);
  --color-ruler-fg: var(--ruler-fg);

  --radius: var(--radius);
}

/* Global styles */
@layer base {
  * {
    @apply border-border;
  }

  body {
    @apply bg-background text-foreground;
    font-feature-settings: "rlig" 1, "calt" 1;
  }

  /* Apply custom scrollbar globally */
  * {
    scrollbar-width: thin;
  }

  *::-webkit-scrollbar {
    width: 10px;
    height: 10px;
  }

  *::-webkit-scrollbar-track {
    background: var(--muted);
    border-radius: 5px;
  }

  *::-webkit-scrollbar-thumb {
    background: color-mix(in oklch, var(--muted-foreground) 30%, transparent);
    border-radius: 5px;
    border: 2px solid var(--muted);
    transition: background 0.2s ease;
  }

  *::-webkit-scrollbar-thumb:hover {
    background: color-mix(in oklch, var(--muted-foreground) 50%, transparent);
  }

  *::-webkit-scrollbar-thumb:active {
    background: color-mix(in oklch, var(--muted-foreground) 70%, transparent);
  }

  /* Scrollbar corners */
  *::-webkit-scrollbar-corner {
    background: var(--muted);
  }
}

/* Custom animations */
@layer utilities {
  @keyframes fadeIn {
    from {
      opacity: 0;
    }
    to {
      opacity: 1;
    }
  }

  @keyframes slideInFromRight {
    from {
      transform: translateX(100%);
      opacity: 0;
    }
    to {
      transform: translateX(0);
      opacity: 1;
    }
  }

  @keyframes slideDown {
    from {
      transform: translateY(-10px);
      opacity: 0;
    }
    to {
      transform: translateY(0);
      opacity: 1;
    }
  }

  @keyframes slideUp {
    from {
      transform: translateY(10px);
      opacity: 0;
    }
    to {
      transform: translateY(0);
      opacity: 1;
    }
  }

  @keyframes scaleIn {
    from {
      transform: scale(0.95);
      opacity: 0;
    }
    to {
      transform: scale(1);
      opacity: 1;
    }
  }

  @keyframes pulseSubtle {
    0%, 100% {
      opacity: 1;
    }
    50% {
      opacity: 0.8;
    }
  }

  @keyframes shimmer {
    0% {
      background-position: -1000px 0;
    }
    100% {
      background-position: 1000px 0;
    }
  }

  @keyframes spin {
    from {
      transform: rotate(0deg);
    }
    to {
      transform: rotate(360deg);
    }
  }

  .animate-fadeIn {
    animation: fadeIn 0.2s ease-out;
  }

  .animate-slideInFromRight {
    animation: slideInFromRight 0.3s ease-out;
  }

  .animate-slideDown {
    animation: slideDown 0.3s ease-out;
  }

  .animate-slideUp {
    animation: slideUp 0.3s ease-out;
  }

  .animate-scaleIn {
    animation: scaleIn 0.2s ease-out;
  }

  .animate-pulseSubtle {
    animation: pulseSubtle 2s ease-in-out infinite;
  }

  .animate-shimmer {
    animation: shimmer 2s linear infinite;
  }

  .animate-spin {
    animation: spin 1s linear infinite;
  }
}

/* Canvas-specific utilities */
@layer utilities {
  .checkerboard {
    background-image:
      linear-gradient(45deg, oklch(86% 0.01 220) 25%, transparent 25%),
      linear-gradient(-45deg, oklch(86% 0.01 220) 25%, transparent 25%),
      linear-gradient(45deg, transparent 75%, oklch(86% 0.01 220) 75%),
      linear-gradient(-45deg, transparent 75%, oklch(86% 0.01 220) 75%);
    background-size: 20px 20px;
    background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
  }

  .dark .checkerboard {
    background-image:
      linear-gradient(45deg, oklch(22% 0.02 270) 25%, transparent 25%),
      linear-gradient(-45deg, oklch(22% 0.02 270) 25%, transparent 25%),
      linear-gradient(45deg, transparent 75%, oklch(22% 0.02 270) 75%),
      linear-gradient(-45deg, transparent 75%, oklch(22% 0.02 270) 75%);
    background-size: 20px 20px;
    background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
  }
}