@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Manrope:wght@500;600;700;800&display=swap");

@layer reset, base, components, utilities;

/* ============================================================
   RESET
   ============================================================ */
@layer reset {
  *,
  *::before,
  *::after {
    box-sizing: border-box;
  }

  body {
    margin: 0;
  }

  h1, h2, h3, h4, p {
    margin: 0;
  }

  ul, ol {
    list-style: none;
    margin: 0;
    padding: 0;
  }

  [hidden] {
    display: none !important;
  }

  button {
    background: none;
    border: none;
    cursor: pointer;
    font: inherit;
    color: inherit;
  }

  img, svg {
    display: block;
  }
}

/* ============================================================
   BASE — Design Tokens & Foundations
   ============================================================ */
@layer base {
  :root {
    /* --- Palette --- */
    --color-ink: oklch(0.28 0.018 220);
    --color-ink-secondary: oklch(0.50 0.015 220);
    --color-ink-tertiary: oklch(0.47 0.035 280);

    --color-surface: oklch(1.0 0 0);
    --color-surface-raised: oklch(0.985 0.003 260);
    --color-surface-muted: oklch(0.975 0.004 260);
    --color-surface-sunken: oklch(0.978 0.003 250);

    --color-border: oklch(0.90 0.008 260);
    --color-border-strong: oklch(0.82 0.012 260);

    --color-accent: oklch(0.44 0.17 258);
    --color-accent-hover: oklch(0.39 0.175 265);
    --color-accent-subtle: oklch(0.95 0.04 258);
    --color-accent-border: oklch(0.85 0.06 258);
    --color-accent-vivid: oklch(0.55 0.12 258);
    --color-accent-vivid-hover: oklch(0.50 0.14 258);
    --color-accent-vivid-border: oklch(0.50 0.14 258 / 0.3);
    --color-on-accent: oklch(1 0 0 / 0.85);
    --color-on-accent-strong: oklch(1 0 0 / 0.95);
    --shadow-clock: 0 2px 12px oklch(0.44 0.17 258 / 0.25);

    --color-positive: oklch(0.52 0.10 170);
    --color-positive-hover: oklch(0.46 0.10 170);
    --color-positive-subtle: oklch(0.94 0.03 170);
    --color-positive-border: oklch(0.85 0.05 170);

    --color-warning: oklch(0.68 0.16 75);
    --color-warning-hover: oklch(0.60 0.16 75);
    --color-warning-subtle: oklch(0.95 0.06 75);
    --color-warning-text: oklch(0.45 0.12 75);
    --color-warning-border: oklch(0.85 0.08 75);

    --color-negative: oklch(0.52 0.12 25);
    --color-negative-hover: oklch(0.46 0.12 25);
    --color-negative-subtle: oklch(0.95 0.03 25);
    --color-negative-border: oklch(0.85 0.05 25);

    --color-other: oklch(0.52 0.16 300);
    --color-other-subtle: oklch(0.95 0.04 300);
    --color-other-border: oklch(0.85 0.06 300);

    /* --- Typography --- */
    --font-sans: "Inter", system-ui, -apple-system, sans-serif;
    --font-display: "Manrope", system-ui, -apple-system, sans-serif;
    --font-mono: "Inter", ui-monospace, "Cascadia Code", monospace;

    --text-xs: 0.75rem;
    --text-sm: 0.8125rem;
    --text-base: 0.9375rem;
    --text-md: 1.0625rem;
    --text-lg: 1.25rem;
    --text-xl: 1.5rem;
    --text-2xl: 2rem;
    --text-3xl: 2.5rem;

    --leading-tight: 1.2;
    --leading-normal: 1.5;
    --leading-relaxed: 1.65;

    --tracking-tight: -0.02em;
    --tracking-normal: 0;
    --tracking-wide: 0.04em;

    /* --- Spacing --- */
    --space-0: 0;
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;

    /* --- Layout --- */
    --container-sm: 32rem;
    --container-md: 48rem;
    --container-lg: 72rem;

    /* --- Borders & Radius --- */
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.625rem;
    --radius-full: 9999px;

    /* --- Shadows --- */
    --shadow-xs: 0 1px 2px oklch(0.18 0.01 260 / 0.05);
    --shadow-sm: 0 1px 3px oklch(0.18 0.01 260 / 0.08), 0 1px 2px oklch(0.18 0.01 260 / 0.04);
    --shadow-md: 0 4px 6px oklch(0.18 0.01 260 / 0.06), 0 2px 4px oklch(0.18 0.01 260 / 0.04);

    /* --- Dark surface (used for inverted/dark popovers) --- */
    --color-surface-dark: oklch(0.18 0.012 260);
    --color-on-dark-primary: oklch(1 0 0 / 0.9);
    --color-on-dark-secondary: oklch(1 0 0 / 0.6);
    --color-on-dark-tertiary: oklch(1 0 0 / 0.4);
    --color-on-dark-muted: oklch(1 0 0 / 0.5);
    --color-on-dark-icon: oklch(1 0 0 / 0.7);
    --color-on-dark-icon-bg: oklch(1 0 0 / 0.08);
    --color-on-dark-border: oklch(1 0 0 / 0.08);
    --shadow-dark-popover: 0 8px 24px oklch(0.18 0.01 260 / 0.25);

    /* --- Overlays --- */
    --color-overlay: oklch(0.18 0.01 260 / 0.6);

    /* --- Transitions --- */
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --duration-fast: 120ms;
    --duration-normal: 200ms;
  }

  html {
    font-family: var(--font-sans);
    font-size: 16px;
    color: var(--color-ink);
    background: var(--color-surface-sunken);
    line-height: var(--leading-normal);
    letter-spacing: var(--tracking-normal);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }

  a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color var(--duration-fast) var(--ease-out);
  }

  a:hover {
    color: var(--color-accent-hover);
  }

  h1 {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: 700;
    line-height: var(--leading-tight);
    letter-spacing: var(--tracking-tight);
  }

  h2 {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 600;
    line-height: var(--leading-tight);
    letter-spacing: var(--tracking-tight);
  }

  h3 {
    font-family: var(--font-display);
    font-size: var(--text-md);
    font-weight: 600;
    line-height: var(--leading-tight);
  }

  ::selection {
    background: var(--color-accent-subtle);
    color: var(--color-accent);
  }

  /* Icon base */
  .icon {
    display: inline-block;
    vertical-align: middle;
    flex-shrink: 0;
  }
}

/* ============================================================
   COMPONENTS
   ============================================================ */
@layer components {

  /* --- Container --- */
  .container { max-width: var(--container-lg); margin-inline: auto; padding-inline: var(--space-6); }
  .container--sm { max-width: var(--container-sm); }
  .container--md { max-width: var(--container-md); }

  /* --- Navigation --- */
  .nav { background: var(--color-surface); border-bottom: 1px solid var(--color-border); padding: 0; }
  .nav__inner { display: flex; align-items: center; justify-content: space-between; gap: var(--space-6); height: 3.5rem; }
  .nav__brand { display: flex; align-items: center; gap: var(--space-3); flex-shrink: 0; }
  .nav__logo { font-size: var(--text-md); font-weight: 700; color: var(--color-ink); text-decoration: none; letter-spacing: var(--tracking-tight); }
  .nav__logo:hover { color: var(--color-ink); }
  .nav__account { font-size: var(--text-sm); color: var(--color-ink-tertiary); padding-left: var(--space-3); border-left: 1px solid var(--color-border); }
  .nav__links { display: flex; align-items: center; gap: var(--space-1); height: 100%; }
  .nav__link { display: inline-flex; align-items: center; gap: var(--space-2); height: 100%; padding: 0 var(--space-3); font-size: var(--text-sm); color: var(--color-ink-tertiary); text-decoration: none; border-bottom: 2px solid transparent; transition: color var(--duration-fast) var(--ease-out), border-color var(--duration-fast) var(--ease-out), background var(--duration-fast) var(--ease-out); }
  .nav__link:hover { color: var(--color-ink); background: var(--color-surface-raised); }
  .nav__link--active { color: var(--color-ink); font-weight: 500; border-bottom-color: var(--color-accent); }
  .nav__user-menu { position: relative; flex-shrink: 0; }
  .nav__user-toggle { display: inline-flex; align-items: center; gap: var(--space-2); padding: var(--space-1) var(--space-2); border-radius: var(--radius-md); font-size: var(--text-sm); color: var(--color-ink-secondary); transition: background var(--duration-fast) var(--ease-out); }
  .nav__user-toggle:hover { background: var(--color-surface-raised); }
  .nav__dropdown { display: none; position: absolute; top: calc(100% + var(--space-2)); right: 0; min-width: 12rem; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md); box-shadow: var(--shadow-md); padding: var(--space-1); z-index: 50; }
  .nav__dropdown--open { display: flex; flex-direction: column; }
  .nav__dropdown-item { display: flex; align-items: center; gap: var(--space-2); width: 100%; padding: var(--space-2) var(--space-3); border-radius: var(--radius-sm); font-size: var(--text-sm); color: var(--color-ink-secondary); text-decoration: none; text-align: left; transition: background var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out); }
  .nav__dropdown-item:hover { background: var(--color-surface-raised); color: var(--color-ink); }
  .nav__dropdown-item--danger { color: var(--color-negative); }
  .nav__dropdown-item--danger:hover { background: var(--color-negative-subtle); color: var(--color-negative); }
  .nav__dropdown-form { width: 100%; }
  .nav__dropdown-divider { border: none; border-top: 1px solid var(--color-border); margin: var(--space-1) 0; }
  .nav__dropdown-section { padding: var(--space-2) var(--space-3) var(--space-1); font-size: var(--text-xs); font-weight: 600; color: var(--color-ink-tertiary); text-transform: uppercase; letter-spacing: var(--tracking-wide); }
  /* --- Account (company) dropdown --- */
  .nav__account-menu { position: relative; flex-shrink: 0; padding-left: var(--space-3); border-left: 1px solid var(--color-border); }
  .nav__account-toggle { display: inline-flex; align-items: center; gap: var(--space-2); min-height: 2.75rem; /* 44px — minimum touch target (WCAG 2.5.8) */ padding: var(--space-1) var(--space-2); border-radius: var(--radius-md); font-size: var(--text-sm); color: var(--color-ink-secondary); transition: background var(--duration-fast) var(--ease-out); }
  .nav__account-toggle:hover { background: var(--color-surface-raised); }
  .nav__account-toggle:focus-visible, .nav__user-toggle:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
  .nav__account-name { max-width: 12rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .nav__account-dropdown { left: 0; right: auto; min-width: max-content; }

  /* --- Clock Form --- */
  .clock-form { text-align: center; padding: var(--space-4) 0; }

  /* --- Buttons --- */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    font-weight: 500;
    line-height: var(--leading-tight);
    cursor: pointer;
    text-decoration: none;
    white-space: nowrap;
    transition:
      background var(--duration-fast) var(--ease-out),
      color var(--duration-fast) var(--ease-out),
      border-color var(--duration-fast) var(--ease-out),
      box-shadow var(--duration-fast) var(--ease-out);
  }
  .btn:hover { text-decoration: none; }
  .btn:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
  .btn:disabled { opacity: 0.5; cursor: not-allowed; }
  .btn--primary { background: var(--color-accent); color: white; box-shadow: var(--shadow-xs); }
  .btn--primary:hover { background: var(--color-accent-hover); }
  .btn--secondary { background: var(--color-surface); border-color: var(--color-border-strong); color: var(--color-ink); box-shadow: var(--shadow-xs); }
  .btn--secondary:hover { background: var(--color-surface-raised); border-color: var(--color-ink-tertiary); }
  .btn--ghost { background: transparent; color: var(--color-ink-secondary); }
  .btn--ghost:hover { background: var(--color-surface-sunken); color: var(--color-ink); }
  .btn--text { background: transparent; padding: var(--space-1) var(--space-2); color: var(--color-ink-secondary); font-size: var(--text-sm); }
  .btn--text:hover { color: var(--color-ink); }
  .btn--danger { background: var(--color-negative); color: white; }
  .btn--danger:hover { background: var(--color-negative-hover); }
  .btn--positive { background: var(--color-positive); color: white; box-shadow: var(--shadow-xs); }
  .btn--positive:hover { background: var(--color-positive-hover); }
  .btn--xs { padding: 0.125rem var(--space-1); font-size: var(--text-xs); line-height: 1; }
  .btn--sm { padding: var(--space-1) var(--space-3); font-size: var(--text-xs); }
  .btn--lg { padding: var(--space-3) var(--space-6); font-size: var(--text-base); }
  .btn--xl { padding: var(--space-4) var(--space-8); font-size: var(--text-md); font-weight: 600; border-radius: var(--radius-lg); }
  .btn--block { width: 100%; }
  .btn--icon { padding: var(--space-2); }
  /* WCAG 2.5.5: minimum 44×44px touch target for interactive elements */
  .btn--touch {
    min-width: 44px;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  /* --- Cards --- */
  .card { background: var(--color-surface); border-radius: var(--radius-lg); padding: var(--space-6); box-shadow: var(--shadow-sm); }
  .card--flat { box-shadow: var(--shadow-sm); }
  .card--warning { background: var(--color-warning-subtle); border: 1px solid var(--color-warning-border); box-shadow: none; }
  .card__header { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); margin-bottom: var(--space-4); }
  .card__title { font-size: var(--text-md); font-weight: 600; }
  .card__body { color: var(--color-ink-secondary); font-size: var(--text-base); line-height: var(--leading-relaxed); }
  .card__footer { margin-top: var(--space-4); padding-top: var(--space-4); border-top: 1px solid var(--color-border); }

  /* --- Forms --- */
  .form { display: flex; flex-direction: column; gap: var(--space-5); }

  .form-group { display: flex; flex-direction: column; gap: var(--space-1); }
  .form-group label { font-size: var(--text-sm); font-weight: 500; color: var(--color-ink); }
  .form-group input[type="text"],
  .form-group input[type="email"],
  .form-group input[type="password"],
  .form-group input[type="number"],
  .form-group input[type="date"],
  .form-group input[type="time"],
  .form-group input[type="datetime-local"],
  .form-group input[type="search"],
  .form-group textarea,
  .form-group select {
    width: 100%;
    padding: var(--space-2) var(--space-3);
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    font-family: var(--font-sans);
    font-size: var(--text-base);
    color: var(--color-ink);
    background: var(--color-surface-raised);
    transition: border-color var(--duration-fast) var(--ease-out),
                box-shadow var(--duration-fast) var(--ease-out);
  }
  .form-group input::placeholder,
  .form-group textarea::placeholder { color: var(--color-ink-tertiary); }
  .form-group input:hover,
  .form-group textarea:hover,
  .form-group select:hover { border-color: var(--color-border); }
  .form-group input:focus,
  .form-group textarea:focus,
  .form-group select:focus { outline: none; border-color: oklch(0.44 0.17 258 / 0.3); box-shadow: 0 0 0 2px oklch(0.44 0.17 258 / 0.15); }
  .form-group textarea { resize: vertical; min-height: 5rem; }
  .form-group__label { font-size: var(--text-sm); font-weight: 500; color: var(--color-ink); padding: 0; border: 0; }
  fieldset.form-group { border: none; margin: 0; padding: 0; gap: var(--space-2); }
  .form-checkbox { display: inline-flex; align-items: center; gap: var(--space-2); font-size: var(--text-sm); color: var(--color-ink); cursor: pointer; user-select: none; }
  .form-checkbox input[type="checkbox"] { width: 1rem; height: 1rem; accent-color: var(--color-accent); cursor: pointer; }

  /* --- Day Picker (working-days toggle pills) --- */
  .day-picker { display: flex; gap: var(--space-1); }
  .day-picker__day { position: relative; }
  .day-picker__day input { position: absolute; opacity: 0; width: 0; height: 0; }
  .day-picker__label {
    display: flex; align-items: center; justify-content: center;
    width: 2.25rem; height: 2.25rem; border-radius: var(--radius-sm);
    font-size: var(--text-xs); font-weight: 600; letter-spacing: 0.02em; /* no --tracking token matches 0.02em */
    color: var(--color-ink-tertiary); background: var(--color-surface);
    border: 1px solid var(--color-border);
    cursor: pointer; user-select: none;
    transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
  }
  .day-picker__label:hover { border-color: var(--color-positive-border); color: var(--color-ink-secondary); }
  .day-picker__day input:checked + .day-picker__label {
    background: var(--color-positive-subtle); color: var(--color-positive);
    border-color: var(--color-positive-border); font-weight: 700;
  }
  .day-picker__day input:focus-visible + .day-picker__label {
    outline: 2px solid var(--color-accent); outline-offset: 2px;
  }
  .form-group--grow { flex: 1; }
  .form-hint { font-size: var(--text-xs); color: var(--color-ink-tertiary); }
  .form-error { font-size: var(--text-xs); color: var(--color-negative); }

  /* --- Flash Messages --- */
  .flash { display: flex; align-items: flex-start; gap: var(--space-3); padding: var(--space-3) var(--space-4); border-radius: var(--radius-md); font-size: var(--text-sm); margin-bottom: var(--space-4); }
  .flash--notice { background: var(--color-positive-subtle); color: var(--color-positive); border: 1px solid var(--color-positive-border); }
  .flash--alert { background: var(--color-negative-subtle); color: var(--color-negative); border: 1px solid var(--color-negative-border); }
  .flash--warning { background: var(--color-warning-subtle); color: var(--color-warning-text); border: 1px solid var(--color-warning-border); }
  .flash--info { background: var(--color-accent-subtle); color: var(--color-accent); border: 1px solid var(--color-accent-border); }

  /* --- Auth Page (layout wrapper for sessions, registrations, passwords, invitations) --- */
  .auth-page { min-height: 100vh; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: var(--space-6); }
  .auth-page > #flash { width: 100%; max-width: var(--container-sm); }
  .auth-wordmark { font-size: var(--text-xl); font-weight: 700; letter-spacing: var(--tracking-tight); color: var(--color-ink); margin-bottom: var(--space-6); text-decoration: none; }

  /* --- Auth Container (login, register, password reset) --- */
  .auth-container { width: 100%; max-width: var(--container-sm); padding: var(--space-8); background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); }
  .auth-container h1 { margin-bottom: var(--space-2); }
  .auth-container .text-muted { margin-top: var(--space-5); text-align: center; }
  .auth-container .btn--block { margin-top: var(--space-2); }

  /* --- Account Selection --- */
  .account-list { display: flex; flex-direction: column; gap: var(--space-2); margin-top: var(--space-4); }
  .account-list__item { width: 100%; text-align: left; padding: var(--space-4); border-radius: var(--radius-md); font-weight: 500; }

  /* --- Tables --- */
  .table { width: 100%; border-collapse: collapse; font-size: var(--text-sm); }
  .table th { text-align: left; font-weight: 500; color: var(--color-ink-tertiary); font-size: var(--text-xs); text-transform: uppercase; letter-spacing: var(--tracking-wide); padding: var(--space-2) var(--space-3); border-bottom: 1px solid var(--color-border-strong); }
  .table td { padding: var(--space-3); border-bottom: 1px solid var(--color-border); color: var(--color-ink-secondary); }
  /* WHY: display:contents collapses the <form> wrapper Rails generates for button_to so the
     inner <button> inherits the td's flex layout without a wrapping block element. */
  .table td .button_to { display: contents; }
  .table + .card__footer { border-top: none; }
  .table tr:hover td { background: var(--color-surface-raised); }
  .table__cell--employee { display: flex; align-items: center; gap: var(--space-2); }

  /* --- Inactive membership row (dados de baja) --- */
  .membership--inactive td { opacity: 0.6; }

  /* --- Badges --- */
  .badge { display: inline-flex; align-items: center; gap: var(--space-1); padding: 0.125rem var(--space-2); border-radius: var(--radius-full); font-size: var(--text-xs); font-weight: 500; line-height: var(--leading-normal); }
  .badge--default { background: var(--color-surface-sunken); color: var(--color-ink-secondary); }
  .badge--positive { background: var(--color-positive-subtle); color: var(--color-positive); }
  .badge--negative { background: var(--color-negative-subtle); color: var(--color-negative); }
  .badge--warning { background: var(--color-warning-subtle); color: var(--color-warning-text); }
  .badge--accent { background: var(--color-accent-subtle); color: var(--color-accent); }
  a.badge:focus-visible,
  .badge:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
  }

  /* --- Empty State --- */
  .empty-state { text-align: center; padding: var(--space-12) var(--space-4); color: var(--color-ink-tertiary); }
  .empty-state > .icon { margin-bottom: var(--space-3); opacity: 0.4; } /* Direct child only — excludes icons inside nested buttons */
  .empty-state__title { font-size: var(--text-md); font-weight: 600; color: var(--color-ink-secondary); margin-bottom: var(--space-2); }
  .empty-state__description { font-size: var(--text-sm); max-width: 24rem; margin: 0 auto var(--space-4); }

  /* --- Stat / KPI Card --- */
  .stat { display: flex; flex-direction: column; gap: var(--space-1); }
  .stat__value { font-family: var(--font-sans); font-variant-numeric: tabular-nums; font-size: var(--text-2xl); font-weight: 500; letter-spacing: var(--tracking-tight); color: var(--color-ink); }
  .stat__label { font-size: var(--text-xs); color: var(--color-ink-tertiary); }

  /* --- Clock Button (main CTA for clocking in/out) --- */
  .clock-btn { display: flex; align-items: center; justify-content: center; gap: var(--space-3); width: 100%; padding: var(--space-5) var(--space-8); border: none; border-radius: var(--radius-lg); font-family: var(--font-sans); font-size: var(--text-lg); font-weight: 600; cursor: pointer; transition: background var(--duration-normal) var(--ease-out), transform var(--duration-fast) var(--ease-out), box-shadow var(--duration-normal) var(--ease-out); }
  .clock-btn:active { opacity: 0.9; }
  .clock-btn--in { background: linear-gradient(135deg, var(--color-accent), var(--color-accent-hover)); color: white; box-shadow: 0 2px 12px oklch(0.44 0.17 258 / 0.3); }
  .clock-btn--in:hover { background: linear-gradient(135deg, var(--color-accent-hover), oklch(0.36 0.18 265)); box-shadow: 0 4px 20px oklch(0.44 0.17 258 / 0.4); }
  .clock-btn--out { background: var(--color-ink-secondary); color: white; box-shadow: 0 2px 12px oklch(0.50 0.015 220 / 0.3); }
  .clock-btn--out:hover { background: var(--color-ink); box-shadow: 0 4px 20px oklch(0.50 0.015 220 / 0.4); }
  .clock-btn--compact { width: auto; min-width: 14rem; padding: var(--space-3) var(--space-6); font-size: var(--text-base); }

  @media (max-width: 640px) {
    .clock-btn--compact { width: 100%; }
  }

  /* --- Avatar --- */
  .avatar { display: inline-flex; align-items: center; justify-content: center; width: 2rem; height: 2rem; border-radius: var(--radius-full); background: var(--color-accent-subtle); color: var(--color-accent); font-size: var(--text-xs); font-weight: 600; flex-shrink: 0; }
  .avatar--sm { width: 1.5rem; height: 1.5rem; font-size: 0.625rem; }
  .avatar--lg { width: 2.5rem; height: 2.5rem; font-size: var(--text-sm); }
  .avatar--xl { width: 3.5rem; height: 3.5rem; font-size: var(--text-lg); }

  /* --- Divider --- */
  .divider { border: none; border-top: 1px solid var(--color-border); margin: var(--space-6) 0; }

  /* --- Stack (vertical spacing) --- */
  .stack { display: flex; flex-direction: column; }
  .stack--1 { gap: var(--space-1); }
  .stack--2 { gap: var(--space-2); }
  .stack--3 { gap: var(--space-3); }
  .stack--4 { gap: var(--space-4); }
  .stack--6 { gap: var(--space-6); }
  .stack--8 { gap: var(--space-8); }

  /* --- Row (horizontal layout) --- */
  .row { display: flex; align-items: center; }
  .row--between { justify-content: space-between; }
  .row--wrap { flex-wrap: wrap; }
  .row--1 { gap: var(--space-1); }
  .row--2 { gap: var(--space-2); }
  .row--3 { gap: var(--space-3); }
  .row--4 { gap: var(--space-4); }

  /* --- Grid --- */
  .grid { display: grid; gap: var(--space-4); }
  .grid--2 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(3, 1fr); }
  .grid--4 { grid-template-columns: repeat(4, 1fr); }

  @media (max-width: 640px) {
    .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
  }

  /* --- Page Header --- */
  .page-header { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); padding: var(--space-6) 0; }
  .page-header__title { font-size: var(--text-xl); font-weight: 700; letter-spacing: var(--tracking-tight); }
  .page-header__subtitle { font-size: var(--text-sm); color: var(--color-ink-tertiary); margin-top: var(--space-1); }
  @media (max-width: 640px) {
    .page-header { flex-wrap: wrap; }
  }

  /* --- Member Header (profile detail) --- */
  .member-header {
    padding: var(--space-6) 0 var(--space-4);
  }

  .member-header__breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
    font-size: var(--text-sm);
  }

  .member-header__back {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    color: var(--color-ink-tertiary);
    text-decoration: none;
    transition: color var(--duration-fast) var(--ease-out);
  }

  .member-header__back:hover {
    color: var(--color-ink);
  }

  .member-header__separator {
    color: var(--color-border-strong);
  }

  .member-header__current {
    color: var(--color-ink-secondary);
    font-weight: 500;
  }

  .member-header__profile {
    display: flex;
    align-items: center;
    gap: var(--space-4);
  }

  .member-header__info {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    min-width: 0;
  }

  .member-header__name {
    font-size: var(--text-xl);
    font-weight: 700;
    letter-spacing: var(--tracking-tight);
    line-height: var(--leading-tight);
  }

  .member-header__meta {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-wrap: wrap;
  }

  .member-header__schedule {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    font-size: var(--text-sm);
    color: var(--color-ink-secondary);
  }

  .member-header__email {
    font-size: var(--text-sm);
  }

  @media (max-width: 480px) {
    .member-header__profile {
      gap: var(--space-3);
    }

    .member-header__email {
      display: none;
    }
  }

  /* --- Month Navigation --- */
  .month-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    padding: var(--space-4) 0;
  }

  .month-nav__label {
    font-size: var(--text-md);
    font-weight: 600;
    min-width: 10rem;
    text-align: center;
  }

  .month-nav__arrow {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border-radius: var(--radius-md);
    color: var(--color-ink-secondary);
    text-decoration: none;
    transition: background var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out);
  }

  .month-nav__arrow:hover {
    background: var(--color-surface-raised);
    color: var(--color-ink);
  }

  .month-nav__arrow--disabled {
    opacity: 0.3;
    pointer-events: none;
  }

  /* --- Stats Grid --- */
  .stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-4);
    text-align: center;
  }
  /* Variant: 1 hero (wider) + 3 regular stats */
  .stats-grid--hero { grid-template-columns: 1.6fr repeat(3, 1fr); }
  .stat--hero .stat__value { font-size: var(--text-3xl); }

  @media (max-width: 640px) {
    .stats-grid,
    .stats-grid--hero {
      grid-template-columns: repeat(2, 1fr);
    }
  }

  @media (max-width: 480px) {
    .stats-grid,
    .stats-grid--hero {
      grid-template-columns: 1fr;
      gap: var(--space-3);
      text-align: left;
    }

    .stats-grid .stat,
    .stats-grid--hero .stat {
      flex-direction: row;
      align-items: baseline;
      gap: var(--space-2);
    }

    .stats-grid .stat__value,
    .stats-grid--hero .stat__value {
      font-size: var(--text-xl);
    }
  }

  /* --- Month Summary --- */
  .month-summary {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-4);
    margin-block: var(--space-4);
  }

  .month-summary .stat {
    text-align: center;
  }

  @media (max-width: 640px) {
    .month-summary {
      grid-template-columns: repeat(2, 1fr);
    }
  }

  @media (max-width: 480px) {
    .month-summary {
      grid-template-columns: 1fr;
    }
  }

  /* --- Team KPIs --- */
  .team-kpis {
    display: flex;
    align-items: flex-start;
    gap: var(--space-6);
    padding: var(--space-4) 0;
  }

  .team-kpis__stat {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    text-align: center;
    flex-shrink: 0;
  }

  .team-kpis__absent {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    padding-left: var(--space-6);
    border-left: 1px solid var(--color-border);
    min-width: 0;
  }

  .team-kpis__absent-label {
    font-size: var(--text-xs);
    color: var(--color-ink-tertiary);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    font-weight: 500;
  }

  .team-kpis__absent-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-1);
  }

  @media (max-width: 480px) {
    .team-kpis {
      flex-direction: column;
      gap: var(--space-4);
    }

    .team-kpis__absent {
      padding-left: 0;
      border-left: none;
      padding-top: var(--space-3);
      border-top: 1px solid var(--color-border);
    }
  }

  /* --- Progress Bar --- */
  .progress-bar {
    margin-top: var(--space-1);
  }

  .progress-bar__track {
    height: 0.25rem;
    background: var(--color-surface-sunken);
    border-radius: var(--radius-full);
    overflow: hidden;
  }

  .progress-bar__fill {
    height: 100%;
    background: var(--color-accent);
    border-radius: var(--radius-full);
    transition: width var(--duration-normal) var(--ease-out);
    min-width: 0;
  }


  /* --- Day List --- */
  .day-list {
    display: flex;
    flex-direction: column;
  }

  .day-list__item {
    padding: var(--space-3) 0;
    border-bottom: 1px solid var(--color-border);
  }

  .day-list__item:last-child {
    border-bottom: none;
  }

  .day-list__item--nonworking {
    background: var(--color-surface-muted);
    border-radius: var(--radius-sm);
    overflow: hidden;
    padding-left: var(--space-3);
    padding-right: var(--space-3);
  }

  .day-list__item--nonworking .day-list__date {
    color: var(--color-ink-tertiary);
  }

  .day-list__header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: var(--space-4);
  }

  .day-list__date {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-ink);
  }

  .day-list__summary {
    display: flex;
    align-items: baseline;
    gap: var(--space-1);
    flex-shrink: 0;
    font-size: var(--text-sm);
    color: var(--color-ink-secondary);
  }

  .day-list__summary .icon {
    align-self: center;
    color: var(--color-ink-tertiary);
  }

  .day-list__worked {
    color: var(--color-ink);
  }

  .day-list__balance::before {
    content: "·";
    margin-right: var(--space-1);
    color: var(--color-ink-tertiary);
  }

  .day-list__entries {
    margin-top: var(--space-1);
    font-size: var(--text-sm);
    font-family: var(--font-mono);
    color: var(--color-ink-tertiary);
  }

  .day-list__entry {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-1) 0;
  }

  .day-list__entry-range {
    font-family: var(--font-mono);
  }

  .day-list__entry-notes {
    font-family: var(--font-sans);
    color: var(--color-ink-tertiary);
    font-style: italic;
  }

  .day-list__entry-actions {
    margin-left: auto;
    display: flex;
    gap: var(--space-1);
    opacity: 0.4;
  }

  .day-list__entry:hover .day-list__entry-actions {
    opacity: 1;
  }

  .day-list__add {
    margin-top: var(--space-1);
  }

  /* --- Clock Entry Form --- */
  .clock-entry-form {
    width: 100%;
  }

  .clock-entry-form__fields {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3);
  }

  .clock-entry-form__fields .form-group:last-child {
    grid-column: 1 / -1;
  }

  .clock-entry-form__actions {
    display: flex;
    gap: var(--space-2);
    margin-top: var(--space-4);
  }

  /* --- Status Dot --- */
  .status-dot { display: inline-block; width: 0.5rem; height: 0.5rem; border-radius: var(--radius-full); flex-shrink: 0; }
  .status-dot--active { background: var(--color-positive); box-shadow: 0 0 0 3px var(--color-positive-subtle); }
  .status-dot--inactive { background: var(--color-border-strong); }

  /* --- Modal --- */
  .modal {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
  }

  .modal__backdrop {
    position: absolute;
    inset: 0;
    background: var(--color-overlay);
    cursor: pointer;
  }

  .modal__content {
    position: relative;
    z-index: 1;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    width: 100%;
    max-width: 32rem;
    max-height: calc(100vh - var(--space-8));
    overflow-y: auto;
    padding: var(--space-6);
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
  }

  .modal__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
  }

  .modal__title {
    font-size: var(--text-lg);
    font-weight: 600;
    letter-spacing: var(--tracking-tight);
  }

  .modal__employee-select-all {
    padding-bottom: var(--space-2);
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--space-2);
  }

  .modal__employee-list {
    max-height: 14rem;
    overflow-y: auto;
    padding-right: var(--space-1);
  }

  .modal__actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-3);
    margin-top: var(--space-6);
    padding-top: var(--space-5);
    border-top: 1px solid var(--color-border);
  }

  /* --- Absence Chip (radio button pills for type selection) --- */
  .absence-chip { display: inline-flex; cursor: pointer; user-select: none; }
  .absence-chip__input { position: absolute; opacity: 0; width: 0; height: 0; }
  .absence-chip__label {
    display: inline-flex;
    align-items: center;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-ink-secondary);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    transition: background var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out), border-color var(--duration-fast) var(--ease-out);
  }
  .absence-chip__label:hover { border-color: var(--color-accent-border); color: var(--color-ink); }
  .absence-chip__input:checked + .absence-chip__label {
    background: var(--color-accent-subtle);
    color: var(--color-accent);
    border-color: var(--color-accent-border);
    font-weight: 600;
  }
  .absence-chip__input:focus-visible + .absence-chip__label {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
  }

  /* --- Absence Request Card (pending approval item) --- */
  .absence-request {
    padding: var(--space-4);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
  }

  /* --- Nav Badge (pending count) --- */
  .nav__badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 1.25rem;
    height: 1.25rem;
    padding: 0 var(--space-1);
    border-radius: var(--radius-full);
    font-size: 0.625rem;
    font-weight: 700;
    background: var(--color-warning-subtle);
    color: var(--color-warning-text);
  }

  /* --- Absence Calendar --- */
  .absence-calendar-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .absence-calendar {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--text-xs);
    table-layout: fixed;
  }

  .absence-calendar__name-col {
    width: 8rem;
    min-width: 8rem;
    text-align: left;
    position: sticky;
    left: 0;
    background: var(--color-surface);
    z-index: 1;
  }

  .absence-calendar th {
    padding: var(--space-1);
    font-weight: 500;
    color: var(--color-ink-tertiary);
    text-align: center;
    border-bottom: 1px solid var(--color-border);
  }

  .absence-calendar__day-header {
    min-width: 2rem;
  }

  .absence-calendar__day-header--weekend {
    background: var(--color-surface-sunken);
  }

  .absence-calendar__day-header--holiday {
    color: var(--color-warning-text);
  }

  .absence-calendar__day-name {
    display: block;
    font-size: 0.625rem;
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
  }

  .absence-calendar__day-num {
    display: block;
    font-family: var(--font-mono);
    font-size: var(--text-xs);
  }

  .absence-calendar__member-name {
    padding: var(--space-2);
    font-weight: 500;
    color: var(--color-ink);
    text-align: left;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    position: sticky;
    left: 0;
    background: var(--color-surface);
    z-index: 1;
    border-bottom: 1px solid var(--color-border);
  }

  .absence-calendar__cell {
    padding: var(--space-1);
    border-bottom: 1px solid var(--color-border);
    min-height: 1.5rem;
    height: 1.5rem;
  }

  .absence-calendar__cell--weekend {
    background: var(--color-surface-sunken);
  }

  .absence-calendar__cell--holiday {
    background: var(--color-surface-sunken);
  }

  .absence-calendar__cell--vacation { background: var(--color-accent-subtle); }
  .absence-calendar__cell--sick { background: var(--color-warning-subtle); }
  .absence-calendar__cell--legal { background: var(--color-positive-subtle); }
  .absence-calendar__cell--other { background: var(--color-other-subtle); }

  .absence-calendar__cell--pending { opacity: 0.5; }

  .absence-calendar__cell-btn {
    all: unset;
    display: block;
    width: 100%;
    height: 100%;
    min-height: var(--space-8);
    cursor: pointer;
    text-align: center;
    font-size: var(--text-xs);
    color: inherit;
  }

  .absence-calendar__cell-btn:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: -2px;
    border-radius: var(--radius-sm);
  }

  .absence-calendar__legend {
    display: inline-block;
    width: 0.75rem;
    height: 0.75rem;
    border-radius: var(--radius-sm);
  }

  .absence-calendar__legend--vacation { background: var(--color-accent-subtle); border: 1px solid var(--color-accent-border); }
  .absence-calendar__legend--sick { background: var(--color-warning-subtle); border: 1px solid var(--color-warning-border); }
  .absence-calendar__legend--legal { background: var(--color-positive-subtle); border: 1px solid var(--color-positive-border); }
  .absence-calendar__legend--other { background: var(--color-other-subtle); border: 1px solid var(--color-other-border); }

  /* --- Dialog (native <dialog> modal) --- */
  .dialog {
    border: none;
    border-radius: var(--radius-lg);
    padding: 0;
    max-width: min(36rem, calc(100vw - var(--space-8)));
    width: 100%;
    box-shadow: var(--shadow-md);
    background: var(--color-surface);
  }

  .dialog::backdrop {
    background: var(--color-overlay);
  }

  .dialog__content {
    padding: var(--space-6);
  }

  .dialog__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-4);
  }

  .dialog__title {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--color-ink);
    margin-bottom: var(--space-6);
  }

  /* --- Card header clickable (for <details>/<summary>) --- */
  .card__header--clickable {
    cursor: pointer;
    user-select: none;
    list-style: none;
  }

  .card__header--clickable::-webkit-details-marker {
    display: none;
  }

  .card__header--clickable .details-chevron {
    transition: transform var(--duration-fast) var(--ease-out);
  }

  details[open] > .card__header--clickable .details-chevron {
    transform: rotate(180deg);
  }

  /* --- Field List (read-only label/value pairs) --- */
  .field-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
  }

  @media (max-width: 640px) {
    .field-list { grid-template-columns: 1fr; }
  }

  .field-list__item {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
  }

  .field-list__label {
    font-size: var(--text-xs);
    font-weight: 500;
    color: var(--color-ink-tertiary);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
  }

  .field-list__value {
    font-size: var(--text-base);
    color: var(--color-ink);
  }

  /* --- Clock Button Composite (button + work-mode chip as one unit) --- */
  .clock-btn-composite {
    display: inline-flex;
    flex-direction: column;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-clock);
  }

  .clock-btn-composite .clock-form {
    padding: 0;
  }

  .clock-btn-composite .clock-btn {
    border-radius: 0;
  }

  .clock-btn-composite .clock-btn--in,
  .clock-btn-composite .clock-btn--out {
    box-shadow: none;
  }

  /* --- Work Mode --- */
  .work-mode__chip {
    display: flex;
    width: 100%;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    font-family: var(--font-sans);
    font-size: var(--text-xs);
    color: var(--color-on-accent);
    background: var(--color-accent-vivid);
    border: none;
    border-top: 1px solid var(--color-accent-vivid-border);
    cursor: pointer;
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    transition: background var(--duration-fast) var(--ease-out);
  }

  .work-mode__chip:hover {
    background: var(--color-accent-vivid-hover);
    color: var(--color-on-accent-strong);
  }

  .work-mode__chip:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
  }

  .work-mode__panel {
    display: flex;
    border-top: 1px solid var(--color-accent-vivid-border);
    background: var(--color-accent-vivid);
  }

  .work-mode__panel .btn--ghost {
    flex: 1;
    justify-content: center;
    border-radius: 0;
    color: var(--color-on-accent);
  }

  .work-mode__panel .btn--ghost:hover {
    background: var(--color-accent-vivid-hover);
    color: var(--color-on-accent-strong);
  }

  /* --- Audit Timeline (popover oscuro estilo Factorial) --- */
  .audit-timeline {
    background: var(--color-surface-dark);
    border-radius: var(--radius-md);
    padding: var(--space-3);
    min-width: 18rem;
    max-width: 24rem;
  }

  .audit-timeline--empty {
    padding: var(--space-3) var(--space-4);
  }

  .audit-timeline__title {
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--color-on-dark-muted);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    margin-bottom: var(--space-3);
  }

  .audit-timeline__empty {
    font-size: var(--text-xs);
    color: var(--color-on-dark-tertiary);
    text-align: center;
    padding: var(--space-2) 0;
  }

  .audit-timeline__event {
    display: flex;
    align-items: flex-start;
    gap: var(--space-2);
    padding: var(--space-2) 0;
    border-top: 1px solid var(--color-on-dark-border);
  }

  .audit-timeline__event:first-of-type {
    border-top: none;
  }

  .audit-timeline__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: var(--space-6);
    height: var(--space-6);
    border-radius: var(--radius-sm);
    background: var(--color-on-dark-icon-bg);
    color: var(--color-on-dark-icon);
    margin-top: var(--space-1);
  }

  .audit-timeline__content {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    min-width: 0;
  }

  .audit-timeline__description {
    font-size: var(--text-xs);
    color: var(--color-on-dark-primary);
    font-weight: 500;
    line-height: var(--leading-normal);
  }

  .audit-timeline__reason {
    font-size: var(--text-xs);
    color: var(--color-on-dark-secondary);
    font-style: italic;
    line-height: var(--leading-normal);
  }

  .audit-timeline__meta {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    font-size: var(--text-xs);
    color: var(--color-on-dark-tertiary);
    font-variant-numeric: tabular-nums;
  }

  /* --- Audit History Trigger (in day-list entry row) --- */
  .audit-history-trigger {
    position: relative;
    display: inline-flex;
    align-items: center;
    /* WHY: padding-bottom bridges the gap between icon and popover so the mouse
       can travel from the icon into the popover without the hover state dropping. */
    padding-bottom: var(--space-2);
    margin-bottom: calc(-1 * var(--space-2));
  }

  .audit-history-trigger:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
  }

  .audit-history-trigger__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: var(--space-5);
    height: var(--space-5);
    color: var(--color-ink-tertiary);
    cursor: help;
  }

  .audit-history-trigger:hover > .audit-history-trigger__icon {
    color: var(--color-ink-secondary);
  }

  .audit-history-trigger__popover {
    display: none;
    position: absolute;
    bottom: 100%;
    right: 0;
    z-index: 60;
    box-shadow: var(--shadow-dark-popover);
    border-radius: var(--radius-md);
    max-width: calc(100vw - var(--space-8));
  }

  .audit-history-trigger:hover > .audit-history-trigger__popover,
  .audit-history-trigger:focus-within > .audit-history-trigger__popover {
    display: block;
  }

  /* --- Radio Group --- */
  .radio-group {
    display: flex;
    gap: var(--space-4);
  }

  .radio-group__option {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    font-size: var(--text-sm);
    cursor: pointer;
  }
}

/* ============================================================
   UTILITIES
   ============================================================ */
@layer utilities {
  /* --- Colors --- */
  .text-muted { color: var(--color-ink-tertiary); }
  .text-secondary { color: var(--color-ink-secondary); }
  .text-accent { color: var(--color-accent); }
  .text-positive { color: var(--color-positive); }
  .text-negative { color: var(--color-negative); }
  .text-warning { color: var(--color-warning-text); }

  /* --- Typography --- */
  .text-xs { font-size: var(--text-xs); }
  .text-sm { font-size: var(--text-sm); }
  .text-base { font-size: var(--text-base); }
  .text-lg { font-size: var(--text-lg); }
  .text-xl { font-size: var(--text-xl); }

  .font-mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
  .font-medium { font-weight: 500; }
  .font-semibold { font-weight: 600; }
  .font-bold { font-weight: 700; }

  .text-center { text-align: center; }
  .text-right { text-align: right; }

  .tracking-tight { letter-spacing: var(--tracking-tight); }
  .tracking-wide { letter-spacing: var(--tracking-wide); }
  .uppercase { text-transform: uppercase; }

  /* --- Spacing --- */
  .mt-2 { margin-top: var(--space-2); }
  .mt-4 { margin-top: var(--space-4); }
  .mt-6 { margin-top: var(--space-6); }
  .mt-8 { margin-top: var(--space-8); }
  .mb-2 { margin-bottom: var(--space-2); }
  .mb-4 { margin-bottom: var(--space-4); }
  .mb-6 { margin-bottom: var(--space-6); }
  .pt-4 { padding-top: var(--space-4); }
  .pb-4 { padding-bottom: var(--space-4); }

  /* --- Display --- */
  .hidden { display: none; }
  .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

  /* --- Responsive --- */
  @media (max-width: 640px) {
    .hide-mobile { display: none; }
  }
  @media (min-width: 641px) {
    .hide-desktop { display: none; }
  }
}