// =============================================================
// Atoms — Eyebrow, Tag, Button, StageDot, Stamp, IconBtn
// =============================================================

function Eyebrow({ children, style }) {
  return (
    <span style={{
      font: '500 11px/1.2 var(--ff-mono)',
      letterSpacing: '0.08em',
      textTransform: 'uppercase',
      color: 'var(--fg-3)',
      ...style,
    }}>{children}</span>
  );
}

function Tag({ children, active, draft, style }) {
  const base = {
    font: '500 10px/1 var(--ff-mono)',
    letterSpacing: '0.1em',
    textTransform: 'uppercase',
    padding: '5px 10px',
    borderRadius: 'var(--r-pill)',
    border: '1px solid var(--border)',
    color: 'var(--fg-2)',
    background: 'var(--paper)',
    display: 'inline-block',
  };
  if (active) Object.assign(base, { background: 'var(--ink)', color: 'var(--paper)', borderColor: 'var(--ink)' });
  if (draft) Object.assign(base, { background: 'var(--hi)', color: 'var(--hi-ink)', borderColor: 'transparent' });
  return <span style={{ ...base, ...style }}>{children}</span>;
}

function Button({ children, variant = 'secondary', onClick, style, icon }) {
  const base = {
    font: '500 13px var(--ff-sans)',
    letterSpacing: '-0.005em',
    padding: '9px 14px',
    borderRadius: 'var(--r-2)',
    border: '1px solid var(--border)',
    background: 'var(--paper)',
    color: 'var(--ink)',
    cursor: 'pointer',
    display: 'inline-flex',
    alignItems: 'center',
    gap: 8,
    whiteSpace: 'nowrap',
    transition: 'background 120ms ease, border-color 120ms ease',
  };
  if (variant === 'primary') Object.assign(base, { background: 'var(--ink)', color: 'var(--paper)', borderColor: 'var(--ink)' });
  if (variant === 'ghost') Object.assign(base, { background: 'transparent', borderColor: 'transparent', padding: '7px 10px' });
  return (
    <button onClick={onClick} style={{ ...base, ...style }}>
      {icon && <i data-lucide={icon} style={{ width: 14, height: 14, strokeWidth: 1.5 }}></i>}
      {children}
    </button>
  );
}

const STAGE_COLORS = {
  S0: '#B5B5B3', S1: '#8A8A8A', S2: '#5C5C5C', S3: '#0A0A0A', S4: '#FFD400',
};

function StageDot({ level = 'S2', label, style }) {
  return (
    <span style={{
      font: '500 10px/1 var(--ff-mono)',
      letterSpacing: '0.1em',
      textTransform: 'uppercase',
      color: 'var(--fg-2)',
      display: 'inline-flex',
      alignItems: 'center',
      gap: 6,
      ...style,
    }}>
      <span style={{ width: 8, height: 8, borderRadius: 999, background: STAGE_COLORS[level] }}></span>
      {label || level}
    </span>
  );
}

function Stamp({ children, style }) {
  return (
    <span style={{
      display: 'inline-block',
      background: 'var(--hi)',
      color: 'var(--hi-ink)',
      padding: '5px 10px 3px',
      font: '500 10px/1 var(--ff-mono)',
      letterSpacing: '0.12em',
      textTransform: 'uppercase',
      transform: 'rotate(-1.5deg)',
      ...style,
    }}>{children}</span>
  );
}

function Icon({ name, size = 16, style }) {
  return <i data-lucide={name} style={{ width: size, height: size, strokeWidth: 1.5, ...style }}></i>;
}

Object.assign(window, { Eyebrow, Tag, Button, StageDot, Stamp, Icon, STAGE_COLORS });