Maybe/app/assets/tailwind/maybe-design-system.css

/* 
  This file contains all of the Figma design tokens, components, etc. that 
  are used globally across the app. 

  One-off styling (3rd party overrides, etc.) should be done in the application.css file.
*/

@custom-variant theme-dark (&:where([data-theme=dark], [data-theme=dark] *));

@theme {
  /* Font families */
  --font-sans: 'Geist', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'Geist Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Base colors */
  --color-white: #ffffff;
  --color-black: #0B0B0B;
  --color-success: var(--color-green-600);
  --color-warning: var(--color-yellow-600);
  --color-destructive: var(--color-red-600);

  /* Gray scale */
  --color-gray-25: #FAFAFA;
  --color-gray-50: #F7F7F7;
  --color-gray-100: #F0F0F0;
  --color-gray-200: #E7E7E7;
  --color-gray-300: #CFCFCF;
  --color-gray-400: #9E9E9E;
  --color-gray-500: #737373;
  --color-gray-600: #5C5C5C;
  --color-gray-700: #363636;
  --color-gray-800: #242424;
  --color-gray-900: #171717;
  --color-gray: var(--color-gray-500);
  --color-gray-tint-5: --alpha(var(--color-gray-500) / 5%);
  --color-gray-tint-10: --alpha(var(--color-gray-500) / 10%);

  /* Alpha colors */
  --color-alpha-white-25: --alpha(var(--color-white) / 3%);
  --color-alpha-white-50: --alpha(var(--color-white) / 5%);
  --color-alpha-white-100: --alpha(var(--color-white) / 8%);
  --color-alpha-white-200: --alpha(var(--color-white) / 10%);
  --color-alpha-white-300: --alpha(var(--color-white) / 15%);
  --color-alpha-white-400: --alpha(var(--color-white) / 20%);
  --color-alpha-white-500: --alpha(var(--color-white) / 30%);
  --color-alpha-white-600: --alpha(var(--color-white) / 40%);
  --color-alpha-white-700: --alpha(var(--color-white) / 50%);
  --color-alpha-white-800: --alpha(var(--color-white) / 70%);
  --color-alpha-white-900: --alpha(var(--color-white) / 85%);

  --color-alpha-black-25: --alpha(var(--color-black) / 3%);
  --color-alpha-black-50: --alpha(var(--color-black) / 5%);
  --color-alpha-black-100: --alpha(var(--color-black) / 8%);
  --color-alpha-black-200: --alpha(var(--color-black) / 10%);
  --color-alpha-black-300: --alpha(var(--color-black) / 15%);
  --color-alpha-black-400: --alpha(var(--color-black) / 20%);
  --color-alpha-black-500: --alpha(var(--color-black) / 30%);
  --color-alpha-black-600: --alpha(var(--color-black) / 40%);
  --color-alpha-black-700: --alpha(var(--color-black) / 50%);
  --color-alpha-black-800: --alpha(var(--color-black) / 70%);
  --color-alpha-black-900: --alpha(var(--color-black) / 85%);

  /* Red scale */
  --color-red-25: #FFFBFB;
  --color-red-50: #FFF1F0;
  --color-red-100: #FFDEDB;
  --color-red-200: #FEB9B3;
  --color-red-300: #F88C86;
  --color-red-400: #ED4E4E;
  --color-red-500: #F13636;
  --color-red-600: #EC2222;
  --color-red-700: #C91313;
  --color-red-800: #A40E0E;
  --color-red-900: #7E0707;
  --color-red-tint-5: --alpha(var(--color-red-500) / 5%);
  --color-red-tint-10: --alpha(var(--color-red-500) / 10%);

  /* Green scale */
  --color-green-25: #F6FEF9;
  --color-green-50: #ECFDF3;
  --color-green-100: #D1FADF;
  --color-green-200: #A6F4C5;
  --color-green-300: #6CE9A6;
  --color-green-400: #32D583;
  --color-green-500: #12B76A;
  --color-green-600: #10A861;
  --color-green-700: #078C52;
  --color-green-800: #05603A;
  --color-green-900: #054F31;
  --color-green-tint-5: --alpha(var(--color-green-500) / 5%);
  --color-green-tint-10: --alpha(var(--color-green-500) / 10%);

  /* Yellow scale */
  --color-yellow-25: #FFFCF5;
  --color-yellow-50: #FFFAEB;
  --color-yellow-100: #FEF0C7;
  --color-yellow-200: #FEDF89;
  --color-yellow-300: #FEC84B;
  --color-yellow-400: #FDB022;
  --color-yellow-500: #F79009;
  --color-yellow-600: #DC6803;
  --color-yellow-700: #B54708;
  --color-yellow-800: #93370D;
  --color-yellow-900: #7A2E0E;
  --color-yellow-tint-5: --alpha(var(--color-yellow-500) / 5%);
  --color-yellow-tint-10: --alpha(var(--color-yellow-500) / 10%);

  /* Cyan scale */
  --color-cyan-25: #F5FEFF;
  --color-cyan-50: #ECFDFF;
  --color-cyan-100: #CFF9FE;
  --color-cyan-200: #A5F0FC;
  --color-cyan-300: #67E3F9;
  --color-cyan-400: #22CCEE;
  --color-cyan-500: #06AED4;
  --color-cyan-600: #088AB2;
  --color-cyan-700: #0E7090;
  --color-cyan-800: #155B75;
  --color-cyan-900: #155B75;
  --color-cyan-tint-5: --alpha(var(--color-cyan-500) / 5%);
  --color-cyan-tint-10: --alpha(var(--color-cyan-500) / 10%);

  /* Blue scale */
  --color-blue-25: #F5FAFF;
  --color-blue-50: #EFF8FF;
  --color-blue-100: #D1E9FF;
  --color-blue-200: #B2DDFF;
  --color-blue-300: #84CAFF;
  --color-blue-400: #53B1FD;
  --color-blue-500: #2E90FA;
  --color-blue-600: #1570EF;
  --color-blue-700: #175CD3;
  --color-blue-800: #1849A9;
  --color-blue-900: #194185;
  --color-blue-tint-5: --alpha(var(--color-blue-500) / 5%);
  --color-blue-tint-10: --alpha(var(--color-blue-500) / 10%);

  /* Indigo scale */
  --color-indigo-25: #F5F8FF;
  --color-indigo-50: #EFF4FF;
  --color-indigo-100: #E0EAFF;
  --color-indigo-200: #C7D7FE;
  --color-indigo-300: #A4BCFD;
  --color-indigo-400: #8098F9;
  --color-indigo-500: #6172F3;
  --color-indigo-600: #444CE7;
  --color-indigo-700: #3538CD;
  --color-indigo-800: #2D31A6;
  --color-indigo-900: #2D3282;
  --color-indigo-tint-5: --alpha(var(--color-indigo-500) / 5%);
  --color-indigo-tint-10: --alpha(var(--color-indigo-500) / 10%);

  /* Violet scale */
  --color-violet-25: #FBFAFF;
  --color-violet-50: #F5F3FF;
  --color-violet-100: #ECE9FE;
  --color-violet-200: #DDD6FE;
  --color-violet-300: #C3B5FD;
  --color-violet-400: #A48AFB;
  --color-violet-500: #875BF7;
  --color-violet-600: #7839EE;
  --color-violet-700: #6927DA;
  --color-violet-tint-5: --alpha(var(--color-violet-500) / 5%);
  --color-violet-tint-10: --alpha(var(--color-violet-500) / 10%);

  /* Fuchsia scale */
  --color-fuchsia-25: #FEFAFF;
  --color-fuchsia-50: #FDF4FF;
  --color-fuchsia-100: #FBE8FF;
  --color-fuchsia-200: #F6D0FE;
  --color-fuchsia-300: #EEAAFD;
  --color-fuchsia-400: #E478FA;
  --color-fuchsia-500: #D444F1;
  --color-fuchsia-600: #BA24D5;
  --color-fuchsia-700: #9F1AB1;
  --color-fuchsia-800: #821890;
  --color-fuchsia-900: #6F1877;
  --color-fuchsia-tint-5: --alpha(var(--color-fuchsia-500) / 5%);
  --color-fuchsia-tint-10: --alpha(var(--color-fuchsia-500) / 10%);

  /* Pink scale */
  --color-pink-25: #FFFAFC;
  --color-pink-50: #FEF0F7;
  --color-pink-100: #FFD1E2;
  --color-pink-200: #FFB1CE;
  --color-pink-300: #FD8FBA;
  --color-pink-400: #F86BA7;
  --color-pink-500: #F23E94;
  --color-pink-600: #D5327F;
  --color-pink-700: #BA256B;
  --color-pink-800: #9E1958;
  --color-pink-900: #840B45;
  --color-pink-tint-5: --alpha(var(--color-pink-500) / 5%);
  --color-pink-tint-10: --alpha(var(--color-pink-500) / 10%);

  /* Orange scale */
  --color-orange-25: #FFF9F5;
  --color-orange-50: #FFF4ED;
  --color-orange-100: #FFE6D5;
  --color-orange-200: #FFD6AE;
  --color-orange-300: #FF9C66;
  --color-orange-400: #FF692E;
  --color-orange-500: #FF4405;
  --color-orange-600: #E62E05;
  --color-orange-700: #BC1B06;
  --color-orange-800: #97180C;
  --color-orange-900: #771A0D;
  --color-orange-tint-5: --alpha(var(--color-orange-500) / 5%);
  --color-orange-tint-10: --alpha(var(--color-orange-500) / 10%);

  /* Border radius overrides */
  --border-radius-md: 8px;
  --border-radius-lg: 10px;

  --shadow-xs: 0px 1px 2px 0px --alpha(var(--color-black) / 6%);
  --shadow-sm: 0px 1px 6px 0px --alpha(var(--color-black) / 6%);
  --shadow-md: 0px 4px 8px -2px --alpha(var(--color-black) / 6%);
  --shadow-lg: 0px 12px 16px -4px --alpha(var(--color-black) / 6%);
  --shadow-xl: 0px 20px 24px -4px --alpha(var(--color-black) / 6%);
}

/* Custom shadow borders used for surfaces / containers  */
@utility shadow-border-xs {
  box-shadow: var(--shadow-xs), 0px 0px 0px 1px var(--color-alpha-black-50);
}

@utility shadow-border-sm {
  box-shadow: var(--shadow-sm), 0px 0px 0px 1px var(--color-alpha-black-50);
}

@utility shadow-border-md {
  box-shadow: var(--shadow-md), 0px 0px 0px 1px var(--color-alpha-black-50);
}

@utility shadow-border-lg {
  box-shadow: var(--shadow-lg), 0px 0px 0px 1px var(--color-alpha-black-50);
}

@utility shadow-border-xl {
  box-shadow: var(--shadow-xl), 0px 0px 0px 1px var(--color-alpha-black-50);
}

/* Design system color utilities */
@utility text-primary {
  @apply text-gray-900;

  @variant theme-dark {
   @apply text-white;
  }
}

@utility text-secondary {
  @apply text-gray-500;

  @variant theme-dark {
    @apply text-gray-400;
  }
}

@utility text-subdued {
  @apply text-gray-400;

  @variant theme-dark {
    @apply text-gray-600;
  }
}

@utility text-link {
  @apply text-blue-600;

  @variant theme-dark {
    @apply text-blue-500;
  }
}

@utility bg-surface {
  @apply bg-gray-50;

  @variant theme-dark {
    @apply bg-black;
  }
}

@utility bg-surface-hover {
  @apply bg-gray-100;

  @variant theme-dark {
    @apply bg-gray-800;
  }
}

@utility bg-surface-inset {
  @apply bg-gray-100;

  @variant theme-dark {
    @apply bg-gray-900;
  }
}

@utility bg-surface-inset-hover {
  @apply bg-gray-200;

  @variant theme-dark {
    @apply bg-gray-800;
  }
}

@utility bg-container {
  @apply bg-white;

  @variant theme-dark {
    @apply bg-gray-900;
  }
}

@utility bg-container-hover {
  @apply bg-gray-50;

  @variant theme-dark {
    @apply bg-gray-800;
  }
}

@utility bg-container-inset {
  @apply bg-gray-50;

  @variant theme-dark {
    @apply bg-gray-800;
  }
}

@utility bg-container-inset-hover {
  @apply bg-gray-100;

  @variant theme-dark {
    @apply bg-gray-700;
  }
}

@utility bg-inverse {
  @apply bg-gray-800;

  @variant theme-dark {
    @apply bg-white;
  }
}

@utility bg-inverse-hover {
  @apply bg-gray-700;

  @variant theme-dark {
    @apply bg-gray-100;
  }
}

@utility bg-overlay {
  background-color: rgba(var(--color-gray-100), 0.5);

  @variant theme-dark {
    background-color: var(--color-alpha-black-900);
  }
}

@utility border-primary {
  @apply border-alpha-black-300;

  @variant theme-dark {
    @apply border-alpha-white-400;
  }
}

@utility border-secondary {
  @apply border-alpha-black-200;

  @variant theme-dark {
    @apply border-alpha-white-300;
  }
}

@utility border-tertiary {
  @apply border-alpha-black-100;

  @variant theme-dark {
    @apply border-alpha-white-200;
  }
}

@utility border-subdued {
  @apply border-alpha-black-50;

  @variant theme-dark {
    @apply border-alpha-white-100;
  }
}

@utility border-solid {
  @apply border-black;

  @variant theme-dark {
    @apply border-white;
  }
}

@utility border-destructive {
  @apply border-red-500;

  @variant theme-dark {
    @apply border-red-400;
  }
}

/* Foreground Colors */
@utility fg-gray {
  @apply text-gray-500;

  @variant theme-dark {
    @apply text-gray-400;
  }
}

@utility fg-contrast {
  @apply text-gray-400;

  @variant theme-dark {
    @apply text-gray-500;
  }
}

@utility fg-inverse {
  @apply text-white;

  @variant theme-dark {
    @apply text-gray-900;
  }
}

@utility fg-primary {
  @apply text-gray-900;

  @variant theme-dark {
    @apply text-white;
  }
}

@utility fg-primary-variant {
  @apply text-gray-800;

  @variant theme-dark {
    @apply text-gray-50;
  }
}

@utility fg-secondary {
  @apply text-gray-50;

  @variant theme-dark {
    @apply text-gray-700;
  }
}

@utility fg-secondary-variant {
  @apply text-gray-100;

  @variant theme-dark {
    @apply text-gray-600;
  }
}

@utility fg-subdued {
  @apply text-gray-400;

  @variant theme-dark {
    @apply text-gray-500;
  }
}

@layer base {
  button {
    @apply cursor-pointer focus-visible:outline-gray-900;
  }

  hr {
    @apply text-gray-200;
  }

  details>summary::-webkit-details-marker {
    @apply hidden;
  }
  
  details>summary {
    @apply list-none;
  }

  input[type='radio'] {
    @apply border-gray-300 text-indigo-600 focus:ring-indigo-600; /* Default light mode */
    
    @variant theme-dark {
      /* Dark mode radio button base and checked styles */
      @apply border-gray-600 bg-gray-700 checked:bg-blue-500 focus:ring-blue-500 focus:ring-offset-gray-800;
    }
  }
}

@layer components {
  /* Buttons */
  .btn {
    @apply px-3 py-2 rounded-lg text-sm font-medium cursor-pointer disabled:cursor-not-allowed focus:outline-gray-500;
    @apply transition-all duration-300;
  }

  .btn--primary {
    @apply button-bg-primary text-white disabled:text-gray-400;
    @apply hover:button-bg-primary-hover;
    @apply disabled:button-bg-disabled disabled:hover:button-bg-disabled;

    @variant theme-dark {
      @apply button-bg-primary fg-primary;
      @apply hover:button-bg-primary-hover;
      @apply disabled:button-bg-disabled disabled:hover:button-bg-disabled;
    }
  }
  
  .btn--secondary {
    @apply button-bg-secondary text-primary;
    @apply hover:button-bg-secondary-hover;

    @variant theme-dark {
      @apply button-bg-secondary text-white;
      @apply hover:button-bg-secondary-hover;
    }
  }
  
  .btn--outline {
    @apply border border-alpha-black-200 text-primary disabled:button-bg-disabled disabled:hover:button-bg-disabled disabled:text-gray-400;
    @apply hover:button-bg-outline-hover;

    @variant theme-dark {
      @apply border-alpha-white-300 text-white disabled:button-bg-disabled disabled:hover:button-bg-disabled disabled:text-gray-600;
      @apply hover:button-bg-outline-hover;
    }
  }
  
  .btn--ghost {
    @apply border border-transparent text-primary hover:button-bg-ghost-hover;

    @variant theme-dark {
      @apply fg-primary hover:button-bg-ghost-hover;
    }
  }

  .btn--destructive {
    @apply button-bg-destructive text-white hover:button-bg-destructive-hover disabled:button-bg-disabled disabled:hover:button-bg-disabled disabled:text-red-400;

    @variant theme-dark {
      @apply button-bg-destructive text-white hover:button-bg-destructive-hover disabled:button-bg-disabled disabled:hover:button-bg-disabled;
    }
  }

  /* Forms */
  .form-field {
    @apply flex flex-col gap-1 relative px-3 py-2 rounded-md border bg-container border-secondary shadow-xs w-full;
    @apply focus-within:border-secondary focus-within:shadow-none focus-within:ring-4 focus-within:ring-alpha-black-200;
    @apply transition-all duration-300;
    
    @variant theme-dark {
      @apply focus-within:ring-alpha-white-300;
    }

    /* Add styles for multiple select within form fields */
    select[multiple] {
      @apply py-2 pr-2 space-y-0.5 overflow-y-auto;
      
      option {
        @apply py-2 rounded-md;
      }
      
      option:checked {
        @apply after:content-['\2713'] bg-container-inset after:text-gray-500 after:ml-2;
      }
      
      option:active,
      option:focus {
        @apply bg-container-inset;
      }
    }
  }
  
  .form-field__label {
    @apply block text-xs text-secondary peer-disabled:text-subdued;
  }

  .form-field__input {
    @apply border-none bg-transparent text-sm opacity-100 w-full p-0;
    @apply focus:opacity-100 focus:outline-hidden focus:ring-0;
    @apply placeholder-shown:opacity-50;
    @apply disabled:text-subdued;
    @apply text-ellipsis overflow-hidden whitespace-nowrap;
    @apply transition-opacity duration-300;
  
    &select {
      @apply pr-8;
    }
  }
  
  .form-field__radio {
    @apply text-primary;
  }
  
  .form-field__submit {
    @apply cursor-pointer rounded-lg bg-surface p-3 text-center text-white hover:bg-surface-hover;
  }

  /* Checkboxes */
  .checkbox {
    &[type='checkbox'] {
      @apply rounded-sm;
      @apply transition-colors duration-300;
    }
  }

  .checkbox--light {
    &[type='checkbox'] {
      @apply border-alpha-black-200 checked:bg-gray-900 checked:ring-gray-900 focus:ring-gray-900 focus-visible:ring-gray-900 checked:hover:bg-gray-500;
    }
  
    &[type='checkbox']:disabled {
      @apply cursor-not-allowed opacity-80 bg-gray-50 border-gray-200 checked:bg-gray-400 checked:ring-gray-400;
    }
  }
  
  .checkbox--dark {
    &[type='checkbox'] {
      @apply ring-gray-900 checked:text-white;
    }
  
    &[type='checkbox']:disabled {
      @apply cursor-not-allowed opacity-80 ring-gray-600;
    }
  
    &[type='checkbox']:checked {
      background-image: url("data:image/svg+xml,%3csvg viewBox='0 0 16 16' fill='111827' xmlns='http://www.w3.org/2000/svg'%3e%3cpath d='M12.207 4.793a1 1 0 010 1.414l-5 5a1 1 0 01-1.414 0l-2-2a1 1 0 011.414-1.414L6.5 9.086l4.293-4.293a1 1 0 011.414 0z'/%3e%3c/svg%3e");
    }
  }

  /* Switches */
  .switch {
    @apply block bg-gray-100 w-9 h-5 rounded-full cursor-pointer;
    @apply after:content-[''] after:block after:absolute after:top-0.5 after:left-0.5 after:bg-white after:w-4 after:h-4 after:rounded-full;
    @apply after:transition-transform after:duration-300 after:ease-in-out;
    @apply peer-checked:bg-green-600 peer-checked:after:translate-x-4;
    @apply transition-colors duration-300;
  }

  /* Tooltips */
  .tooltip {
    @apply hidden absolute;
  }
}

@layer utilities {
  /* Specific override for strong tags in prose under dark mode */
  .prose:where([data-theme=dark], [data-theme=dark] *) strong {
    color: theme(colors.white) !important; 
  }
}

/* Button Backgrounds */
@utility button-bg-primary {
  @apply bg-gray-900; /* Maps to fg-primary light */

  @variant theme-dark {
    @apply bg-white; /* Maps to fg-primary dark */
  }
}

@utility button-bg-primary-hover {
  @apply bg-gray-800; /* Maps to fg-primary-variant light */

  @variant theme-dark {
    @apply bg-gray-50; /* Maps to fg-primary-variant dark */
  }
}

@utility button-bg-secondary {
  @apply bg-gray-50; /* Maps to fg-secondary light */

  @variant theme-dark {
    @apply bg-gray-700; /* Maps to fg-secondary dark */
  }
}

@utility button-bg-secondary-hover {
  @apply bg-gray-100; /* Maps to fg-secondary-variant light */

  @variant theme-dark {
    @apply bg-gray-600; /* Maps to fg-secondary-variant dark */
  }
}

@utility button-bg-disabled {
  @apply bg-gray-50;

  @variant theme-dark {
    @apply bg-gray-700;
  }
}

@utility button-bg-destructive {
  @apply bg-red-500;

  @variant theme-dark {
    @apply bg-red-400;
  }
}

@utility button-bg-destructive-hover {
  @apply bg-red-600;

  @variant theme-dark {
    @apply bg-red-500;
  }
}

@utility button-bg-ghost-hover {
  @apply bg-gray-50;

  @variant theme-dark {
    @apply bg-gray-800;
  }
}

@utility button-bg-outline-hover {
  @apply bg-gray-100;

  @variant theme-dark {
    @apply bg-gray-700;
  }
}

/* Tab Styles */
@utility tab-item-active {
  @apply bg-white;

  @variant theme-dark {
    @apply bg-gray-700;
  }
}

@utility tab-item-hover {
  @apply bg-gray-200;

  @variant theme-dark {
    @apply bg-gray-800;
  }
}

@utility tab-bg-group {
  @apply bg-gray-50;

  @variant theme-dark {
    @apply bg-alpha-black-700;
  }
}

@utility bg-nav-indicator {
  @apply bg-black;

  @variant theme-dark {
    @apply bg-white;
  }
}