@layer reset, tokens, base, layout, components, utilities;

@layer reset {
  *, *::before, *::after { box-sizing: border-box; }
  html { min-height: 100%; }
  body { min-height: 100vh; margin: 0; }
  img, svg { display: block; max-width: 100%; }
  button, input, select, textarea { font: inherit; }
  button, select { cursor: pointer; }
  h1, h2, h3, p, figure, dl, dd { margin: 0; }
  ul, ol { margin: 0; padding: 0; }
}

@layer tokens {
  :root {
    color-scheme: light;
    --color-canvas: #f4f7f5;
    --color-surface: #ffffff;
    --color-surface-soft: #edf4f0;
    --color-surface-strong: #dceae3;
    --color-ink: #12211c;
    --color-muted: #52635c;
    --color-line: #d2ddd7;
    --color-line-strong: #aabbb2;
    --color-brand: #0d624a;
    --color-brand-strong: #084936;
    --color-brand-soft: #e2f3eb;
    --color-info: #175d8f;
    --color-info-soft: #e8f3fb;
    --color-success: #257044;
    --color-success-soft: #e8f6ed;
    --color-warning: #82550e;
    --color-warning-soft: #fff4d5;
    --color-danger: #a73333;
    --color-danger-strong: #842626;
    --color-danger-soft: #fff0ef;
    --color-focus: #1769aa;
    --shadow-sm: 0 1px 2px rgb(18 33 28 / 6%);
    --shadow-md: 0 10px 30px rgb(18 33 28 / 8%);
    --radius-sm: .5rem;
    --radius-md: .75rem;
    --radius-lg: 1rem;
    --space-1: .25rem;
    --space-2: .5rem;
    --space-3: .75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --touch: 3rem;
    --header-height: 4.5rem;
    --nav-height: 4.75rem;
    --content-width: 92rem;
  }
}

@layer base {
  body {
    background: var(--color-canvas);
    color: var(--color-ink);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 1rem;
    line-height: 1.55;
    text-rendering: optimizeLegibility;
  }

  h1, h2, h3 { line-height: 1.18; letter-spacing: -.025em; }
  h1 { font-size: clamp(1.8rem, 4vw, 2.55rem); font-weight: 760; }
  h2 { font-size: clamp(1.2rem, 2vw, 1.5rem); font-weight: 720; }
  h3 { font-size: 1.05rem; }
  a { color: var(--color-brand); text-underline-offset: .2em; }
  strong { font-weight: 700; }
  small { font-size: .84rem; }

  :focus-visible {
    outline: .2rem solid var(--color-focus);
    outline-offset: .18rem;
  }

  ::selection { background: var(--color-surface-strong); }
}

@layer layout {
  .app-header {
    position: sticky;
    z-index: 30;
    top: 0;
    display: flex;
    min-height: var(--header-height);
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    padding: var(--space-3) clamp(1rem, 3vw, 2rem);
    border-bottom: 1px solid var(--color-line);
    background: rgb(255 255 255 / 96%);
  }

  .app-main {
    width: min(100%, var(--content-width));
    margin-inline: auto;
    padding: clamp(1.25rem, 3vw, 2.25rem) clamp(1rem, 3vw, 2rem) calc(var(--nav-height) + 2rem);
  }

  .primary-nav {
    position: fixed;
    z-index: 40;
    right: 0;
    bottom: 0;
    left: 0;
    display: flex;
    min-height: var(--nav-height);
    align-items: stretch;
    overflow-x: auto;
    border-top: 1px solid var(--color-line);
    background: rgb(255 255 255 / 98%);
    box-shadow: 0 -6px 20px rgb(18 33 28 / 7%);
    overscroll-behavior-x: contain;
  }

  .primary-nav a {
    display: flex;
    min-width: 6rem;
    flex: 1 0 auto;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3);
    border-top: .2rem solid transparent;
    color: var(--color-muted);
    font-size: .86rem;
    font-weight: 650;
    text-decoration: none;
    white-space: nowrap;
  }

  .primary-nav a > span:first-child { font-size: 1.15rem; line-height: 1; }
  .primary-nav a[aria-current="page"] { border-color: var(--color-brand); background: var(--color-brand-soft); color: var(--color-brand-strong); }

  .page-heading { display: grid; gap: var(--space-2); margin-bottom: var(--space-8); }
  .page-heading--actions { grid-template-columns: minmax(0, 1fr) auto; align-items: end; gap: var(--space-6); }
  .page-heading__subtitle { max-width: 52rem; margin-top: var(--space-2); color: var(--color-muted); font-size: 1.04rem; }

  .dashboard-grid, .detail-layout, .work-layout { display: grid; gap: var(--space-6); }
  .dashboard-grid { margin-top: var(--space-6); }
  .stack { display: grid; align-content: start; gap: var(--space-5); }
  .narrow-page { width: min(100%, 48rem); margin-inline: auto; }

  .metric-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 11rem), 1fr));
    gap: var(--space-4);
    margin-bottom: var(--space-6);
  }

  .catalog-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 20rem), 1fr)); gap: var(--space-5); }
  .card-list { display: grid; gap: var(--space-4); }

  @media (min-width: 54rem) {
    .primary-nav {
      position: sticky;
      top: var(--header-height);
      justify-content: center;
      min-height: 3.6rem;
      border-top: 0;
      border-bottom: 1px solid var(--color-line);
      box-shadow: var(--shadow-sm);
    }
    .primary-nav a { min-width: auto; flex: 0 1 auto; padding: var(--space-3) var(--space-5); border-top: 0; border-bottom: .2rem solid transparent; }
    .app-main { padding-bottom: var(--space-10); }
  }

  @media (min-width: 70rem) {
    .dashboard-grid { grid-template-columns: minmax(0, 1.65fr) minmax(18rem, .8fr); }
    .detail-layout { grid-template-columns: minmax(0, 1.7fr) minmax(20rem, .75fr); }
    .work-layout { grid-template-columns: minmax(0, 1.4fr) minmax(23rem, .8fr); align-items: start; }
    .quality-panel { position: sticky; top: 9rem; }
  }
}

@layer components {
  .skip-link {
    position: fixed;
    z-index: 100;
    top: var(--space-3);
    left: var(--space-3);
    translate: 0 -200%;
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-sm);
    background: var(--color-ink);
    color: #fff;
  }
  .skip-link:focus { translate: 0; }

  .brand, .auth-brand { display: inline-flex; align-items: center; gap: var(--space-3); color: var(--color-ink); text-decoration: none; }
  .brand__mark {
    display: inline-grid;
    width: 2.65rem;
    height: 2.65rem;
    flex: 0 0 auto;
    place-items: center;
    border-radius: .7rem;
    background: var(--color-brand);
    color: #fff;
    font-size: 1.25rem;
    font-weight: 800;
  }
  .brand strong, .brand small, .auth-brand strong, .auth-brand small { display: block; line-height: 1.2; }
  .brand small, .auth-brand small { color: var(--color-muted); font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; }

  .user-summary { display: flex; align-items: center; gap: var(--space-4); }
  .user-summary__identity { display: none; text-align: right; }
  .user-summary__identity strong, .user-summary__identity small { display: block; line-height: 1.3; }
  .user-summary__identity small { color: var(--color-muted); }

  .eyebrow { color: var(--color-brand); font-size: .75rem; font-weight: 800; letter-spacing: .11em; text-transform: uppercase; }
  .muted { color: var(--color-muted); }
  .text-link { font-weight: 700; white-space: nowrap; }

  .panel, .instruction-card, .catalog-card {
    border: 1px solid var(--color-line);
    border-radius: var(--radius-lg);
    background: var(--color-surface);
    box-shadow: var(--shadow-sm);
  }
  .panel { padding: clamp(1.15rem, 3vw, 1.75rem); }
  .panel--accent { border-color: #acd2c2; background: linear-gradient(145deg, #fff 58%, var(--color-brand-soft)); }
  .panel--soft { background: var(--color-surface-soft); }
  .panel__header { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--space-4); margin-bottom: var(--space-5); }
  .panel__header h2 { margin-top: var(--space-1); }
  .panel__actions { display: flex; justify-content: flex-end; margin-top: var(--space-6); padding-top: var(--space-5); border-top: 1px solid var(--color-line); }

  .button {
    display: inline-flex;
    min-height: var(--touch);
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: .68rem 1rem;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    font-weight: 720;
    line-height: 1.15;
    text-align: center;
    text-decoration: none;
  }
  .button--primary { border-color: var(--color-brand); background: var(--color-brand); color: #fff; }
  .button--primary:hover { border-color: var(--color-brand-strong); background: var(--color-brand-strong); }
  .button--secondary { border-color: var(--color-line-strong); background: var(--color-surface); color: var(--color-ink); }
  .button--secondary:hover { border-color: var(--color-brand); color: var(--color-brand); }
  .button--quiet { background: transparent; color: var(--color-muted); }
  .button--quiet:hover { background: var(--color-surface-soft); color: var(--color-ink); }
  .button--danger { border-color: var(--color-danger); background: var(--color-danger); color: #fff; }
  .button--danger:hover { background: var(--color-danger-strong); }
  .button--danger-quiet { border-color: #e5b5b5; background: var(--color-danger-soft); color: var(--color-danger); }
  .button--small { min-height: 2.55rem; padding: .5rem .8rem; font-size: .88rem; }
  .button--large { min-height: 3.35rem; padding-inline: 1.35rem; }
  .button--full { width: 100%; }

  .metric-card { min-height: 7rem; padding: var(--space-5); border: 1px solid var(--color-line); border-radius: var(--radius-md); background: var(--color-surface); box-shadow: var(--shadow-sm); }
  .metric-card span { display: block; color: var(--color-muted); font-size: .88rem; font-weight: 650; }
  .metric-card strong { display: block; margin-top: var(--space-2); font-size: 2rem; line-height: 1; }
  .metric-card--danger { border-left: .3rem solid var(--color-danger); }
  .metric-card--warning { border-left: .3rem solid var(--color-warning); }
  .metric-card--success { border-left: .3rem solid var(--color-success); }

  .status { display: inline-flex; min-height: 1.9rem; align-items: center; gap: .4rem; padding: .25rem .55rem; border-radius: 99rem; background: #edf1ef; color: #405049; font-size: .77rem; font-weight: 750; line-height: 1.1; white-space: nowrap; }
  .status__dot { width: .45rem; height: .45rem; flex: 0 0 auto; border-radius: 50%; background: currentColor; }
  .status--in_progress, .status--active { background: var(--color-info-soft); color: var(--color-info); }
  .status--blocked { background: var(--color-danger-soft); color: var(--color-danger); }
  .status--awaiting_approval, .status--review { background: var(--color-warning-soft); color: var(--color-warning); }
  .status--completed, .status--done, .status--approved, .status--ready, .status--in_service { background: var(--color-success-soft); color: var(--color-success); }
  .status--cancelled, .status--retired, .status--scrapped, .status--skipped { background: #ecefed; color: #5d6964; }
  .status--draft, .status--planned, .status--pending, .status--open { background: #edf1ef; color: #405049; }

  progress { width: 100%; height: .7rem; overflow: hidden; border: 0; border-radius: 99rem; background: var(--color-surface-strong); }
  progress::-webkit-progress-bar { background: var(--color-surface-strong); }
  progress::-webkit-progress-value { border-radius: 99rem; background: var(--color-brand); }
  progress::-moz-progress-bar { border-radius: 99rem; background: var(--color-brand); }
  .progress-block { display: grid; gap: var(--space-2); }
  .progress-block__labels { display: flex; justify-content: space-between; gap: var(--space-4); color: var(--color-muted); font-size: .88rem; }
  .progress-block__labels strong { color: var(--color-ink); }

  .active-build { display: grid; gap: var(--space-6); }
  .active-build > div:first-child { display: grid; gap: var(--space-1); }
  .active-build__name { font-size: clamp(1.3rem, 3vw, 1.8rem); }
  .active-build > div:first-child span { color: var(--color-muted); }

  .compact-list, .row-list { list-style: none; }
  .compact-list li, .row-list li { border-top: 1px solid var(--color-line); }
  .compact-list li:first-child, .row-list li:first-child { border-top: 0; }
  .compact-list li, .compact-list a { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); }
  .compact-list li { min-height: 3.7rem; padding-block: var(--space-2); }
  .compact-list a { width: 100%; color: var(--color-ink); text-decoration: none; }
  .compact-list span, .compact-list strong, .compact-list small { display: block; }
  .compact-list small { color: var(--color-muted); }
  .row-list li { display: flex; min-height: 4.5rem; align-items: center; justify-content: space-between; gap: var(--space-4); padding-block: var(--space-3); }
  .row-list li > div, .row-list li > a > div { display: grid; gap: .15rem; }
  .row-list span { color: var(--color-muted); font-size: .9rem; }
  .row-list--interactive li { display: block; padding: 0; }
  .row-list--interactive a { display: flex; min-height: 4.5rem; align-items: center; justify-content: space-between; gap: var(--space-4); padding-block: var(--space-3); color: var(--color-ink); text-decoration: none; }
  .numbered-list { display: grid; gap: var(--space-4); margin-top: var(--space-5); padding-left: 1.35rem; }

  .notice-stack { display: grid; gap: var(--space-2); margin-bottom: var(--space-5); }
  .notice { padding: var(--space-3) var(--space-4); border: 1px solid #a9c7b9; border-radius: var(--radius-sm); background: var(--color-brand-soft); color: var(--color-brand-strong); font-weight: 600; }
  .notice--error { border-color: #e4b1b1; background: var(--color-danger-soft); color: var(--color-danger-strong); }
  .notice--warning { border-color: #e7cb82; background: var(--color-warning-soft); color: var(--color-warning); }
  .notice--success { border-color: #acd6bb; background: var(--color-success-soft); color: var(--color-success); }

  .filter-bar { display: flex; flex-wrap: wrap; align-items: end; gap: var(--space-3); margin-bottom: var(--space-6); padding: var(--space-4); border: 1px solid var(--color-line); border-radius: var(--radius-md); background: var(--color-surface); }
  .filter-bar .field { min-width: 12rem; margin: 0; }
  .filter-bar .field--search { min-width: min(100%, 18rem); flex: 1 1 22rem; }
  .filter-bar--compact { max-width: 50rem; }

  .field { display: grid; gap: .4rem; }
  .field label { font-size: .88rem; font-weight: 700; }
  .field input:not([type="checkbox"]):not([type="radio"]), .field select, .field textarea, .inline-form input {
    width: 100%;
    min-height: var(--touch);
    padding: .68rem .8rem;
    border: 1px solid var(--color-line-strong);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    color: var(--color-ink);
  }
  .field textarea { min-height: 8rem; resize: vertical; }
  .field input[type="file"] { padding: .55rem; }
  .field input:focus, .field select:focus, .field textarea:focus, .inline-form input:focus { border-color: var(--color-focus); outline: .18rem solid rgb(23 105 170 / 20%); }
  .field__help { color: var(--color-muted); font-size: .82rem; }
  .field__errors, .errorlist { list-style: none; color: var(--color-danger); font-size: .86rem; font-weight: 650; }
  .field--error input, .field--error select, .field--error textarea { border-color: var(--color-danger); }
  .required { color: var(--color-danger); }
  .form-stack { display: grid; gap: var(--space-5); }
  .form-actions { display: flex; flex-wrap: wrap; align-items: center; justify-content: flex-end; gap: var(--space-3); padding-top: var(--space-3); }
  .check-filter { display: flex; min-height: var(--touch); align-items: center; gap: var(--space-2); padding-inline: var(--space-2); font-weight: 650; }
  .check-filter input { width: 1.25rem; height: 1.25rem; accent-color: var(--color-brand); }
  .inline-form { display: flex; min-width: min(100%, 30rem); flex-wrap: wrap; gap: var(--space-3); }
  .inline-form input { flex: 1 1 15rem; }

  .table-wrap { overflow: hidden; border: 1px solid var(--color-line); border-radius: var(--radius-lg); background: var(--color-surface); box-shadow: var(--shadow-sm); }
  .data-table { width: 100%; border-collapse: collapse; }
  .data-table th { padding: .8rem 1rem; background: var(--color-surface-soft); color: var(--color-muted); font-size: .76rem; font-weight: 800; letter-spacing: .06em; text-align: left; text-transform: uppercase; }
  .data-table td { padding: .9rem 1rem; border-top: 1px solid var(--color-line); vertical-align: middle; }
  .data-table td strong, .data-table td small { display: block; }
  .data-table td small { margin-top: .12rem; color: var(--color-muted); }
  .data-table tbody tr:hover { background: #f9fbfa; }
  .data-table .row--danger { background: var(--color-danger-soft); }
  .data-table .row--warning { background: var(--color-warning-soft); }
  .table-action { text-align: right; }
  .pagination { display: flex; align-items: center; justify-content: center; gap: var(--space-4); margin-top: var(--space-5); color: var(--color-muted); }

  .breadcrumbs { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2); margin-bottom: var(--space-5); color: var(--color-muted); font-size: .9rem; }
  .breadcrumbs a { font-weight: 650; }

  .callout { display: flex; align-items: center; justify-content: space-between; gap: var(--space-5); margin-bottom: var(--space-6); padding: var(--space-5); border: 1px solid var(--color-line); border-radius: var(--radius-md); background: var(--color-surface); }
  .callout--danger { border-left: .35rem solid var(--color-danger); background: var(--color-danger-soft); }
  .callout p { margin-top: var(--space-1); }
  .callout small { display: block; margin-top: var(--space-2); color: var(--color-muted); }

  .definition-list { display: grid; margin-top: var(--space-4); }
  .definition-list > div { display: grid; grid-template-columns: minmax(6rem, .8fr) 1.2fr; gap: var(--space-3); padding-block: .65rem; border-top: 1px solid var(--color-line); }
  .definition-list dt { color: var(--color-muted); }
  .definition-list dd { font-weight: 650; overflow-wrap: anywhere; }
  .definition-list--compact { font-size: .9rem; }

  .step-list { display: grid; margin-top: var(--space-5); list-style: none; }
  .step-list__item { position: relative; display: grid; grid-template-columns: 2.25rem minmax(0, 1fr) auto; align-items: center; gap: var(--space-3); min-height: 4.25rem; padding: var(--space-2) 0; }
  .step-list__item:not(:last-child)::after { position: absolute; top: 3.25rem; bottom: -.9rem; left: 1.08rem; width: 2px; background: var(--color-line); content: ""; }
  .step-list__index { position: relative; z-index: 1; display: grid; width: 2.25rem; height: 2.25rem; place-items: center; border: 2px solid var(--color-line-strong); border-radius: 50%; background: var(--color-surface); color: var(--color-muted); font-weight: 800; }
  .step-list__item--done .step-list__index { border-color: var(--color-success); background: var(--color-success); color: #fff; }
  .step-list__item--active .step-list__index { border-color: var(--color-brand); color: var(--color-brand); }
  .step-list__item--blocked .step-list__index { border-color: var(--color-danger); color: var(--color-danger); }
  .step-list__item div { display: grid; gap: .1rem; }
  .step-list__item small { color: var(--color-muted); }

  .work-header { display: grid; gap: var(--space-3); margin-bottom: var(--space-5); }
  .work-header__progress { display: flex; justify-content: space-between; color: var(--color-muted); font-size: .88rem; }
  .work-header__progress strong { color: var(--color-brand); }
  .work-header__title { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--space-4); margin-top: var(--space-3); }
  .work-header__title h1 { margin-top: var(--space-1); }
  .instruction-card { overflow: hidden; }
  .instruction-visual { display: grid; min-height: 14rem; max-height: 34rem; place-items: center; overflow: hidden; border-bottom: 1px solid var(--color-line); background: #e7eeea; }
  .instruction-visual img { width: 100%; height: 100%; object-fit: contain; }
  .instruction-copy { padding: clamp(1.2rem, 3vw, 2rem); font-size: 1.08rem; }
  .instruction-copy p + p { margin-top: var(--space-4); }
  .parts-strip { padding: var(--space-5); border-top: 1px solid var(--color-line); background: var(--color-surface-soft); }
  .parts-strip h2 { margin-bottom: var(--space-4); font-size: 1rem; }
  .parts-strip ul { display: grid; grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr)); gap: var(--space-3); list-style: none; }
  .parts-strip li { display: grid; padding: var(--space-3); border: 1px solid var(--color-line); border-radius: var(--radius-sm); background: var(--color-surface); }
  .parts-strip small { color: var(--color-muted); }
  .quality-panel { overflow: visible; }
  .work-actions { position: sticky; z-index: 20; bottom: calc(var(--nav-height) + .5rem); display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--space-3); margin: var(--space-3) calc(var(--space-4) * -1) calc(var(--space-4) * -1); padding: var(--space-4); border-top: 1px solid var(--color-line); border-radius: 0 0 var(--radius-lg) var(--radius-lg); background: rgb(255 255 255 / 96%); box-shadow: 0 -8px 20px rgb(18 33 28 / 6%); }
  .work-actions > div { display: flex; flex-wrap: wrap; gap: var(--space-2); }

  .context-card { display: grid; gap: .15rem; margin-bottom: var(--space-4); padding: var(--space-4); border-left: .3rem solid var(--color-brand); border-radius: var(--radius-sm); background: var(--color-brand-soft); }
  .context-card span { color: var(--color-brand); font-size: .8rem; font-weight: 750; text-transform: uppercase; }

  .build-actions { flex-wrap: wrap; align-items: end; justify-content: space-between; gap: var(--space-4); }
  .action-form { display: flex; flex: 1 1 24rem; flex-wrap: wrap; align-items: end; justify-content: flex-end; gap: var(--space-3); }
  .action-form .field { min-width: min(100%, 17rem); flex: 1 1 17rem; }
  .ready-callout { display: flex; align-items: center; gap: var(--space-3); color: var(--color-success); }
  .ready-callout > span { display: grid; width: 2.25rem; height: 2.25rem; flex: 0 0 auto; place-items: center; border-radius: 50%; background: var(--color-success-soft); font-weight: 800; }
  .ready-callout strong, .ready-callout small { display: block; }
  .ready-callout small { color: var(--color-muted); }

  .blockage-summary { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--space-5); margin-bottom: var(--space-5); padding: var(--space-5); border: 1px solid #e4b1b1; border-left: .35rem solid var(--color-danger); border-radius: var(--radius-md); background: var(--color-danger-soft); }
  .blockage-summary h2 { margin-top: var(--space-3); }
  .blockage-summary p, .blockage-summary small { display: block; margin-top: var(--space-2); color: var(--color-muted); }
  .evidence-link { flex: 0 0 auto; font-weight: 700; }

  .approval-list { display: grid; gap: var(--space-4); }
  .approval-card { padding: var(--space-5); border: 1px solid var(--color-line); border-left: .3rem solid var(--color-warning); border-radius: var(--radius-lg); background: var(--color-surface); box-shadow: var(--shadow-sm); }
  .approval-card > header, .approval-card > footer { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--space-4); }
  .approval-card > header h2 { margin-top: var(--space-1); }
  .approval-card > footer { margin-top: var(--space-4); padding-top: var(--space-4); border-top: 1px solid var(--color-line); }

  .production-board { display: grid; grid-auto-columns: minmax(16rem, 1fr); grid-auto-flow: column; gap: var(--space-4); overflow-x: auto; padding-bottom: var(--space-3); scroll-snap-type: x proximity; }
  .production-column { min-height: 28rem; padding: var(--space-3); border: 1px solid var(--color-line); border-radius: var(--radius-lg); background: #eaf0ed; scroll-snap-align: start; }
  .production-column > header { display: flex; align-items: center; justify-content: space-between; padding: var(--space-2) var(--space-1) var(--space-3); }
  .production-column > header h2 { font-size: 1rem; }
  .production-column > header > span { display: grid; min-width: 1.7rem; height: 1.7rem; place-items: center; border-radius: 50%; background: var(--color-surface); font-size: .8rem; font-weight: 750; }
  .production-column__items { display: grid; align-content: start; gap: var(--space-3); }
  .production-card { display: grid; gap: .28rem; padding: var(--space-4); border: 1px solid var(--color-line); border-left: .25rem solid var(--color-line-strong); border-radius: var(--radius-md); background: var(--color-surface); color: var(--color-ink); box-shadow: var(--shadow-sm); text-decoration: none; }
  .production-card--in_progress { border-left-color: var(--color-info); }
  .production-card--blocked { border-left-color: var(--color-danger); }
  .production-card--awaiting_approval { border-left-color: var(--color-warning); }
  .production-card--completed { border-left-color: var(--color-success); }
  .production-card__top { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--space-2); }
  .production-card__name { margin-top: var(--space-2); font-weight: 680; }
  .production-card__meta { color: var(--color-muted); font-size: .84rem; }
  .production-card__step { margin-top: var(--space-2); padding-top: var(--space-2); border-top: 1px solid var(--color-line); color: var(--color-brand); font-size: .82rem; font-weight: 650; }
  .production-column__empty { padding: var(--space-5) var(--space-2); color: var(--color-muted); text-align: center; }

  .task-card { display: grid; grid-template-columns: 8rem minmax(0, 1fr) auto; align-items: center; gap: var(--space-5); padding: var(--space-5); border: 1px solid var(--color-line); border-left: .3rem solid var(--color-line-strong); border-radius: var(--radius-md); background: var(--color-surface); }
  .task-card--danger { border-left-color: var(--color-danger); }
  .task-card--warning { border-left-color: var(--color-warning); }
  .task-card__date { display: grid; gap: .15rem; }
  .task-card__date span { color: var(--color-muted); font-size: .78rem; font-weight: 750; text-transform: uppercase; }
  .task-card__body { display: grid; gap: .2rem; }
  .task-card__body h2 { font-size: 1.12rem; }
  .task-card__body > p:last-child { color: var(--color-muted); font-size: .9rem; }
  .task-card__meta { display: grid; justify-items: end; gap: var(--space-2); color: var(--color-muted); font-size: .82rem; }

  .tabs { display: flex; gap: var(--space-2); margin-bottom: var(--space-5); border-bottom: 1px solid var(--color-line); }
  .tabs a { min-height: var(--touch); padding: .75rem 1rem; border-bottom: .2rem solid transparent; color: var(--color-muted); font-weight: 700; text-decoration: none; }
  .tabs a[aria-current="page"] { border-color: var(--color-brand); color: var(--color-brand); }
  .catalog-card { display: grid; align-content: start; gap: var(--space-3); padding: var(--space-5); }
  .catalog-card__header { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); }
  .catalog-card > p { color: var(--color-muted); }
  .code-chip { display: inline-block; width: fit-content; padding: .2rem .5rem; border-radius: .3rem; background: var(--color-surface-soft); color: var(--color-brand-strong); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: .78rem; font-weight: 750; }
  .chip-list { display: flex; flex-wrap: wrap; gap: var(--space-2); padding-top: var(--space-2); border-top: 1px solid var(--color-line); }
  .chip-list span { padding: .25rem .55rem; border-radius: 99rem; background: var(--color-surface-soft); color: var(--color-muted); font-size: .78rem; }

  .empty-state { display: grid; justify-items: center; gap: var(--space-2); max-width: 34rem; margin-inline: auto; padding: var(--space-8) var(--space-4); color: var(--color-muted); text-align: center; }
  .empty-state h2 { color: var(--color-ink); }
  .empty-state__icon { display: grid; width: 3rem; height: 3rem; place-items: center; margin-bottom: var(--space-2); border-radius: 50%; background: var(--color-surface-strong); color: var(--color-brand); font-size: 1.3rem; font-weight: 800; }

  .auth-body { background: linear-gradient(145deg, var(--color-surface-soft), var(--color-canvas) 45%, #dcebe4); }
  .auth-body .app-main { width: 100%; min-height: 100vh; padding: var(--space-5); }
  .auth-shell { display: grid; min-height: calc(100vh - 2.5rem); place-items: center; }
  .auth-card { width: min(100%, 28rem); padding: clamp(1.5rem, 6vw, 2.5rem); border: 1px solid var(--color-line); border-radius: var(--radius-lg); background: var(--color-surface); box-shadow: var(--shadow-md); }
  .auth-card__heading { display: grid; gap: var(--space-2); margin: var(--space-8) 0 var(--space-6); }
  .auth-card__heading p:last-child { color: var(--color-muted); }

  @media (min-width: 34rem) { .user-summary__identity { display: inline; } }

  @media (min-width: 54rem) {
    .work-actions { bottom: var(--space-4); }
  }

  @media (max-width: 46rem) {
    .page-heading--actions { grid-template-columns: 1fr; align-items: start; }
    .page-heading--actions > .button { width: 100%; }
    .filter-bar > .button { flex: 1 1 auto; }
    .table-wrap { overflow: visible; border: 0; border-radius: 0; background: transparent; box-shadow: none; }
    .responsive-table, .responsive-table tbody, .responsive-table tr, .responsive-table td { display: block; width: 100%; }
    .responsive-table thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap; }
    .responsive-table tbody { display: grid; gap: var(--space-3); }
    .responsive-table tr { padding: var(--space-3); border: 1px solid var(--color-line); border-radius: var(--radius-md); background: var(--color-surface); }
    .responsive-table td { display: grid; grid-template-columns: minmax(6rem, .7fr) 1.3fr; gap: var(--space-3); padding: .55rem 0; border-top: 1px solid var(--color-line); text-align: right; }
    .responsive-table td:first-child { border-top: 0; }
    .responsive-table td::before { color: var(--color-muted); content: attr(data-label); font-size: .78rem; font-weight: 750; text-align: left; text-transform: uppercase; }
    .responsive-table .table-action { display: block; }
    .responsive-table .table-action::before { display: none; }
    .responsive-table .table-action .button { width: 100%; margin-top: var(--space-2); }
    .callout { align-items: stretch; flex-direction: column; }
    .blockage-summary { flex-direction: column; }
    .inline-form { min-width: 0; }
    .task-card { grid-template-columns: 1fr; gap: var(--space-3); }
    .task-card__meta { justify-items: start; }
    .work-header__title { align-items: flex-start; flex-direction: column; }
    .work-actions { align-items: stretch; flex-direction: column-reverse; }
    .work-actions > div { display: grid; grid-template-columns: 1fr 1fr; }
    .work-actions > .button { width: 100%; }
    .form-actions { align-items: stretch; flex-direction: column-reverse; }
    .form-actions .button { width: 100%; }
  }
}

@layer utilities {
  .sr-only {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}