/*
 * Button Component Styles
 * Pop Art Design System - Bold, comic book-inspired buttons
 *
 * Reference from TSX:
 * .btn-comic { box-shadow: 4px 4px 0 var(--shadow-color); transition: all 0.15s ease; }
 * .btn-comic:hover { transform: translate(2px, 2px); box-shadow: 2px 2px 0 var(--shadow-color); }
 * .btn-comic:active { transform: translate(4px, 4px); box-shadow: 0 0 0 var(--shadow-color); }
 * All buttons: border-4 border-black, font-bold uppercase
 */

@layer components {
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background-color: var(--color-surface);
    color: var(--color-ink);
    border: 4px solid var(--color-comic-border);
    font-size: var(--text-base);
    font-weight: var(--font-bold);
    text-transform: uppercase;
    cursor: pointer;
    text-decoration: none;
    box-shadow: 4px 4px 0 var(--comic-shadow-color);
    transition: all 0.15s ease;

    /* Press down effect on hover */
    &:hover {
      transform: translate(2px, 2px);
      box-shadow: 2px 2px 0 var(--comic-shadow-color);
      text-decoration: none;
    }

    /* Active state - fully pressed */
    &:active {
      transform: translate(4px, 4px);
      box-shadow: 0 0 0 var(--comic-shadow-color);
    }

    &:focus-visible {
      outline: 3px solid var(--color-focus);
      outline-offset: 2px;
    }

    &:disabled {
      opacity: 0.5;
      cursor: not-allowed;
      pointer-events: none;
      box-shadow: 4px 4px 0 #9ca3af;
      border-color: #9ca3af;
      background-color: #d1d5db;
      color: #6b7280;
    }

    /* Icon animations */
    & .btn-icon {
      transition: transform 0.15s ease;
    }

    & .btn-icon-right {
      transition: transform 0.15s ease;
    }

    &:hover .btn-icon {
      transform: scale(1.15);
    }

    &:hover .btn-icon-right {
      transform: translateX(3px);
    }
  }

  /* ==========================================================================
     Standard Variants - matching TSX color classes
     ========================================================================== */

  /* Primary = red-500 in TSX */
  .btn-primary {
    background-color: #ef4444;
    color: white;

    &:hover {
      background-color: #dc2626;
    }
  }

  /* Secondary = blue-500 in TSX */
  .btn-secondary {
    background-color: #3b82f6;
    color: white;

    &:hover {
      background-color: #2563eb;
    }
  }

  /* Danger */
  .btn-danger {
    background-color: #ef4444;
    color: white;

    &:hover {
      background-color: #dc2626;
    }
  }

  /* Positive/Success = green-500 */
  .btn-positive {
    background-color: #22c55e;
    color: white;

    &:hover {
      background-color: #16a34a;
    }
  }

  /* Outline variant - matches TSX "Outline" button */
  .btn-outline {
    background-color: var(--color-surface);
    color: var(--color-ink);

    &:hover {
      background-color: light-dark(#f3f4f6, #374151);
    }
  }

  /* Ghost - no border, no shadow */
  .btn-ghost {
    background-color: transparent;
    border-color: transparent;
    color: var(--color-ink-muted);
    box-shadow: none;

    &:hover {
      color: var(--color-link);
      background-color: light-dark(#f3f4f6, #374151);
      transform: none;
      box-shadow: none;
    }

    &:active {
      transform: none;
    }

    /* Ghost + small modifier - ensure no shadow/transform */
    &.btn-sm {
      box-shadow: none;

      &:hover {
        transform: none;
        box-shadow: none;
      }

      &:active {
        transform: none;
        box-shadow: none;
      }
    }
  }

  /* Link style */
  .btn-link {
    background-color: transparent;
    border-color: transparent;
    color: var(--color-link);
    box-shadow: none;
    padding: 0;
    text-decoration: underline;
    text-decoration-thickness: 2px;
    text-underline-offset: 2px;
    border-width: 0;

    &:hover {
      color: var(--color-link-hover);
      transform: none;
    }

    &:active {
      transform: none;
    }
  }

  /* ==========================================================================
     Pop Art Color Variants - matching TSX exactly
     ========================================================================== */

  /* POW! Red = red-500 (#EF4444) */
  .btn-pow {
    background-color: #ef4444;
    color: white;

    &:hover {
      background-color: #dc2626;
    }
  }

  /* WHAM! Blue = blue-500 (#3B82F6) */
  .btn-wham {
    background-color: #3b82f6;
    color: white;

    &:hover {
      background-color: #2563eb;
    }
  }

  /* ZAP! Yellow = yellow-400 (#FBBF24) */
  .btn-zap {
    background-color: #fbbf24;
    color: #111827;

    &:hover {
      background-color: #f59e0b;
    }
  }

  /* KAPOW! Pink = pink-500 (#EC4899) */
  .btn-kapow {
    background-color: #ec4899;
    color: white;

    &:hover {
      background-color: #db2777;
    }
  }

  /* BOOM! Green = green-500 (#22C55E) */
  .btn-boom {
    background-color: #22c55e;
    color: white;

    &:hover {
      background-color: #16a34a;
    }
  }

  /* WHOOSH! Orange = orange-500 (#F97316) */
  .btn-whoosh {
    background-color: #f97316;
    color: white;

    &:hover {
      background-color: #ea580c;
    }
  }

  /* ==========================================================================
     Size Variants - matching TSX
     ========================================================================== */

  /* Small: border-3, shadow 3px, smaller translate */
  .btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: var(--text-sm);
    border-width: 3px;
    box-shadow: 3px 3px 0 var(--comic-shadow-color);

    &:hover {
      transform: translate(1.5px, 1.5px);
      box-shadow: 1.5px 1.5px 0 var(--comic-shadow-color);
    }

    &:active {
      transform: translate(3px, 3px);
      box-shadow: 0 0 0 var(--comic-shadow-color);
    }
  }

  /* Large */
  .btn-lg {
    padding: var(--space-3) var(--space-6);
    font-size: var(--text-lg);
  }

  .btn-block {
    inline-size: 100%;
  }

  /* ==========================================================================
     Icon-Only Button - rotate on hover
     Reference: .btn-icon-only:hover { transform: translate(1px, 1px) rotate(8deg); }
     ========================================================================== */

  .btn-icon {
    padding: var(--space-2);
    box-shadow: 3px 3px 0 var(--comic-shadow-color);

    &:hover {
      transform: translate(1px, 1px) rotate(8deg);
      box-shadow: 2px 2px 0 var(--comic-shadow-color);
    }

    &:active {
      transform: translate(2px, 2px) rotate(8deg);
      box-shadow: 0 0 0 var(--comic-shadow-color);
    }
  }
}