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

@layer reset {
  *, *::before, *::after { box-sizing: border-box; }
  html { -webkit-text-size-adjust: 100%; }
  body, h1, h2, p, ul, ol, dl, dd, blockquote { margin: 0; }
  ul, ol { padding: 0; }
  button, input, select, textarea { font: inherit; }
  img, svg { display: block; max-inline-size: 100%; }
}

@layer tokens {
  :root {
    color-scheme: light dark;
    --canvas: oklch(97.6% 0.009 258);
    --surface: oklch(100% 0 0);
    --surface-subtle: oklch(95.4% 0.014 258);
    --surface-raised: oklch(99.2% 0.006 258);
    --text: oklch(24% 0.025 258);
    --text-muted: oklch(45% 0.025 258);
    --border: oklch(86% 0.019 258);
    --border-strong: oklch(72% 0.03 258);
    --accent: oklch(52% 0.19 262);
    --accent-hover: oklch(44% 0.18 262);
    --accent-soft: oklch(92% 0.045 262);
    --success: oklch(45% 0.11 153);
    --success-soft: oklch(93% 0.045 153);
    --warning: oklch(48% 0.105 76);
    --warning-soft: oklch(94% 0.06 86);
    --danger: oklch(48% 0.17 28);
    --danger-soft: oklch(94% 0.045 28);
    --shadow: 0 1px 2px oklch(20% 0.02 258 / 0.06), 0 12px 30px oklch(20% 0.02 258 / 0.07);
    --radius-sm: 0.55rem;
    --radius-md: 0.85rem;
    --radius-lg: 1.2rem;
    --content: 78rem;
  }

  @media (prefers-color-scheme: dark) {
    :root {
      --canvas: oklch(18% 0.02 258);
      --surface: oklch(23% 0.023 258);
      --surface-subtle: oklch(27% 0.025 258);
      --surface-raised: oklch(25% 0.023 258);
      --text: oklch(94% 0.012 258);
      --text-muted: oklch(74% 0.022 258);
      --border: oklch(34% 0.028 258);
      --border-strong: oklch(48% 0.035 258);
      --accent: oklch(72% 0.15 258);
      --accent-hover: oklch(80% 0.12 258);
      --accent-soft: oklch(31% 0.07 258);
      --success: oklch(75% 0.12 153);
      --success-soft: oklch(29% 0.055 153);
      --warning: oklch(79% 0.13 86);
      --warning-soft: oklch(30% 0.05 86);
      --danger: oklch(72% 0.15 28);
      --danger-soft: oklch(30% 0.07 28);
      --shadow: 0 1px 2px oklch(5% 0.01 258 / 0.2), 0 16px 36px oklch(5% 0.01 258 / 0.24);
    }
  }
}

@layer base {
  html { font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; line-height: 1.5; }
  body { min-block-size: 100vh; background: var(--canvas); color: var(--text); }
  h1, h2, strong { text-wrap: balance; }
  h1 { font-size: clamp(1.65rem, 1.3rem + 1.4vw, 2.45rem); line-height: 1.13; letter-spacing: -0.025em; }
  h2 { font-size: clamp(1.05rem, 0.98rem + 0.3vw, 1.3rem); line-height: 1.25; }
  p, li, dd { text-wrap: pretty; }
  a { color: var(--accent); text-decoration-thickness: 0.08em; text-underline-offset: 0.18em; }
  a:hover { color: var(--accent-hover); }
  button, input, select, textarea, summary, a { -webkit-tap-highlight-color: transparent; }
  button, input, select, textarea { min-block-size: 2.75rem; }
  input, select, textarea {
    inline-size: 100%;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    background: var(--surface);
    color: var(--text);
    padding: 0.65rem 0.75rem;
  }
  input::placeholder, textarea::placeholder { color: var(--text-muted); opacity: 1; }
  textarea { resize: vertical; }
  :where(a, button, input, select, textarea, summary):focus-visible {
    outline: 3px solid var(--accent);
    outline-offset: 3px;
  }
  code { font-family: ui-monospace, "Cascadia Code", Consolas, monospace; font-size: 0.88em; overflow-wrap: anywhere; }
  time, .metric strong, .result-count, .unread, .product-price { font-variant-numeric: tabular-nums; }
}

@layer layout {
  .app-header { background: var(--surface); border-block-end: 1px solid var(--border); }
  .brand-row, .primary-nav, .page, .footer {
    inline-size: min(100% - 2rem, var(--content));
    margin-inline: auto;
  }
  .brand-row { min-block-size: 4.5rem; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
  .brand { display: inline-flex; align-items: center; gap: 0.7rem; min-block-size: 2.75rem; color: var(--text); text-decoration: none; }
  .brand > span, .login-brand { display: grid; place-items: center; background: var(--accent); color: white; font-weight: 800; border-radius: 0.65rem; }
  .brand > span { inline-size: 2.25rem; block-size: 2.25rem; }
  .account { display: flex; align-items: center; gap: 0.75rem; }
  .account__name { color: var(--text-muted); max-inline-size: 13rem; overflow-wrap: anywhere; }
  .primary-nav { display: flex; gap: 0.25rem; overflow-x: auto; scrollbar-width: thin; padding-block-end: 0.65rem; }
  .primary-nav a { flex: 0 0 auto; display: grid; place-items: center; min-block-size: 2.75rem; padding-inline: 0.85rem; border-radius: var(--radius-sm); color: var(--text-muted); text-decoration: none; }
  .primary-nav a:hover { background: var(--surface-subtle); color: var(--text); }
  .primary-nav a[aria-current="page"] { background: var(--accent-soft); color: var(--accent-hover); font-weight: 700; }
  .page { min-block-size: calc(100vh - 10rem); padding-block: clamp(1.5rem, 3vw, 3rem); }
  .page-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 1rem; margin-block-end: 1.5rem; }
  .snapshot-time { color: var(--text-muted); font-size: 0.9rem; text-align: end; }
  .footer { color: var(--text-muted); font-size: 0.86rem; padding-block: 1.5rem 2rem; border-block-start: 1px solid var(--border); }
  .metrics { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem; margin-block-end: 1rem; }
  .dashboard-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
  .two-column { display: grid; grid-template-columns: minmax(15rem, 0.75fr) minmax(0, 1.25fr); gap: 1rem; }
  .card-list { display: grid; gap: 0.85rem; }
  .product-grid, .component-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
}

@layer components {
  .skip-link { position: fixed; inset-block-start: 0.5rem; inset-inline-start: 0.5rem; z-index: 20; transform: translateY(-150%); background: var(--text); color: var(--surface); padding: 0.7rem 1rem; border-radius: var(--radius-sm); }
  .skip-link:focus { transform: translateY(0); }
  .eyebrow { margin-block-end: 0.3rem; color: var(--accent); font-size: 0.72rem; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase; }
  .lede { color: var(--text-muted); margin-block-start: 0.75rem; }
  .panel, .metric, .record-card, .product-card, .component-card {
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--surface);
    box-shadow: var(--shadow);
  }
  .panel, .record-card, .product-card, .component-card { padding: clamp(1rem, 2.4vw, 1.4rem); }
  .metric { padding: 1.15rem; min-inline-size: 0; }
  .metric p { color: var(--text-muted); font-size: 0.86rem; }
  .metric strong { display: block; margin-block: 0.25rem; font-size: clamp(1.35rem, 1.15rem + 0.75vw, 2rem); line-height: 1.2; overflow-wrap: anywhere; }
  .metric span { color: var(--text-muted); font-size: 0.78rem; }
  .section-heading, .record-card__top, .service-summary { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; }
  .section-heading { margin-block-end: 1rem; }
  .section-heading > a { min-block-size: 2.75rem; display: inline-flex; align-items: center; margin-block: -0.65rem; }
  .button {
    min-block-size: 2.75rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    padding: 0.62rem 1rem;
    font-weight: 700;
    cursor: pointer;
    text-decoration: none;
  }
  .button--primary { inline-size: 100%; background: var(--accent); color: white; }
  .button--primary:hover { background: var(--accent-hover); color: white; }
  .button--secondary { background: var(--surface); border-color: var(--border-strong); color: var(--text); }
  .button--secondary:hover, .button--quiet:hover { background: var(--surface-subtle); color: var(--text); }
  .button--quiet { background: transparent; color: var(--text); }
  .badge { display: inline-flex; align-items: center; justify-content: center; min-block-size: 1.75rem; border-radius: 999px; padding-inline: 0.65rem; background: var(--surface-subtle); color: var(--text-muted); font-size: 0.75rem; font-weight: 800; white-space: nowrap; }
  .badge--healthy, .badge--delivered, .badge--completed, .badge--resolved, .badge--success, .badge--info, .badge--ready { background: var(--success-soft); color: var(--success); }
  .badge--degraded, .badge--warning, .badge--processing, .badge--awaiting_confirmation, .badge--waiting, .badge--paid, .badge--open, .badge--stale, .badge--backfilling { background: var(--warning-soft); color: var(--warning); }
  .badge--unavailable, .badge--error, .badge--cancelled, .badge--refunded, .badge--failed, .badge--denied { background: var(--danger-soft); color: var(--danger); }
  .status-list, .compact-list { list-style: none; }
  .status-list li, .compact-list li { min-block-size: 3.5rem; display: flex; align-items: center; gap: 0.75rem; padding-block: 0.75rem; border-block-end: 1px solid var(--border); }
  .status-list li:last-child, .compact-list li:last-child { border-block-end: 0; }
  .status-list li > div, .compact-list li > div { min-inline-size: 0; flex: 1; }
  .status-list strong, .status-list span:not(.status-dot, .badge), .compact-list strong, .compact-list span { display: block; overflow-wrap: anywhere; }
  .status-list div span, .compact-list div span { color: var(--text-muted); font-size: 0.84rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .status-dot { inline-size: 0.65rem; block-size: 0.65rem; flex: 0 0 auto; border-radius: 50%; background: var(--text-muted); }
  .status-dot--healthy { background: var(--success); }
  .status-dot--degraded { background: var(--warning); }
  .status-dot--unavailable { background: var(--danger); }
  .text-link { display: inline-flex; align-items: center; min-block-size: 2.75rem; margin-block-end: -0.75rem; }
  .unread { min-inline-size: 1.75rem; block-size: 1.75rem; display: grid; place-items: center; border-radius: 999px; background: var(--accent); color: white; font-size: 0.78rem; font-weight: 800; }
  .filters { display: grid; grid-template-columns: minmax(12rem, 1fr) minmax(10rem, 0.45fr) auto; align-items: end; gap: 0.8rem; }
  .filters--search { grid-template-columns: minmax(12rem, 1fr) auto; }
  .filters--compact { grid-template-columns: minmax(10rem, 18rem) auto; justify-content: start; }
  .field { display: grid; gap: 0.35rem; }
  .field label { font-size: 0.84rem; font-weight: 700; }
  .field-hint { color: var(--text-muted); font-size: 0.78rem; }
  .result-count { margin-block: 1rem; color: var(--text-muted); font-size: 0.9rem; }
  .record-ref { color: var(--text-muted); font-family: ui-monospace, "Cascadia Code", monospace; font-size: 0.78rem; overflow-wrap: anywhere; }
  .badge-stack { display: flex; align-items: center; justify-content: flex-end; flex-wrap: wrap; gap: 0.4rem; }
  .record-card h2, .product-card h2 { margin-block-start: 0.25rem; }
  .details { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0.75rem; margin-block-start: 1rem; }
  .details > div { min-inline-size: 0; }
  .details dt { color: var(--text-muted); font-size: 0.74rem; }
  .details dd { margin-block-start: 0.15rem; font-weight: 650; overflow-wrap: anywhere; }
  details { margin-block-start: 1rem; border-block-start: 1px solid var(--border); padding-block-start: 0.8rem; }
  summary { min-block-size: 2.75rem; display: flex; align-items: center; inline-size: fit-content; color: var(--accent); font-weight: 700; cursor: pointer; }
  .history-list { list-style: none; display: grid; margin-block-start: 0.5rem; }
  .history-list li { display: grid; grid-template-columns: minmax(9rem, 0.5fr) minmax(7rem, 0.4fr) 1fr; gap: 0.75rem; padding-block: 0.65rem; border-block-start: 1px solid var(--border); }
  .message-preview { margin-block: 1rem; border-inline-start: 3px solid var(--accent); padding-inline-start: 0.9rem; color: var(--text-muted); }
  .record-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 0.75rem 1.25rem; color: var(--text-muted); font-size: 0.84rem; }
  .card-action { margin-block-start: 1rem; }
  .record-note { margin-block-start: 1rem; color: var(--text-muted); font-size: 0.86rem; }
  .unread-label { color: var(--accent); }
  .product-price { margin-block-start: 1.25rem; font-size: 1.5rem; font-weight: 800; }
  .product-card .details { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .stock--low { color: var(--danger); }
  .service-summary { align-items: center; margin-block-end: 1rem; }
  .component-card .badge { margin-block-end: 0.65rem; }
  .component-card .details { grid-template-columns: 1fr; }
  .timeline { list-style: none; position: relative; display: grid; gap: 0.2rem; }
  .timeline li { display: grid; grid-template-columns: 1rem minmax(0, 1fr); gap: 0.75rem; }
  .timeline__marker { inline-size: 0.7rem; block-size: 0.7rem; margin-block-start: 1.35rem; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
  .timeline__marker--warning { background: var(--warning); box-shadow: 0 0 0 4px var(--warning-soft); }
  .timeline__marker--error { background: var(--danger); box-shadow: 0 0 0 4px var(--danger-soft); }
  .timeline__body { min-inline-size: 0; padding: 1rem; border-block-end: 1px solid var(--border); }
  .timeline__top { display: flex; justify-content: space-between; gap: 1rem; }
  .timeline__top strong { overflow-wrap: anywhere; }
  .timeline__top time, .timeline__body p { color: var(--text-muted); font-size: 0.84rem; }
  .timeline__body p { margin-block-start: 0.25rem; overflow-wrap: anywhere; }
  .audit-note { margin-block-end: 1.5rem; }
  .audit-note p { margin-block-start: 0.5rem; color: var(--text-muted); max-inline-size: 70ch; }
  .breadcrumbs { display: flex; align-items: center; gap: 0.55rem; margin-block-end: 1rem; color: var(--text-muted); font-size: 0.88rem; }
  .breadcrumbs a { min-block-size: 2.75rem; display: inline-flex; align-items: center; }
  .chat-summary { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; margin-block-end: 1.5rem; }
  .chat-summary p:not(.record-ref) { margin-block-start: 0.5rem; color: var(--text-muted); }
  .message-timeline { list-style: none; display: grid; gap: 0.8rem; }
  .message { max-inline-size: min(48rem, 92%); border: 1px solid var(--border); border-radius: var(--radius-md); background: var(--surface); padding: 1rem; }
  .message--seller { margin-inline-start: auto; background: var(--surface-subtle); }
  .message__meta, .message__footer { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 0.5rem 1rem; }
  .message__meta time, .message__footer { color: var(--text-muted); font-size: 0.78rem; }
  .message__text { margin-block: 0.75rem; white-space: pre-wrap; overflow-wrap: anywhere; }
  .message__footer code { overflow-wrap: anywhere; }
  .readonly-note { margin-block-start: 1.5rem; }
  .readonly-note p { margin-block-start: 0.35rem; color: var(--text-muted); }
  .reply-panel { margin-block-start: 1.5rem; }
  .reply-panel > p { margin-block-start: 0.35rem; color: var(--text-muted); }
  .reply-button { inline-size: fit-content; }
  .coverage-panel { margin-block-end: 1rem; }
  .coverage-panel > p + p { margin-block-start: 0.55rem; }
  .coverage-note { color: var(--text-muted); font-size: 0.86rem; }
  .pagination { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 0.75rem; margin-block-start: 1.25rem; }
  .empty-state { text-align: center; padding-block: 3rem; grid-column: 1 / -1; }
  .empty-state p, .empty-list { color: var(--text-muted); }
  .empty-state p { margin-block: 0.5rem 1rem; }
  .empty-list { list-style: none; padding: 1rem; text-align: center; }
  .bar-list { list-style: none; display: grid; gap: 1rem; margin-block-start: 1rem; }
  .bar-label { display: flex; justify-content: space-between; gap: 1rem; margin-block-end: 0.3rem; }
  progress { display: block; inline-size: 100%; block-size: 0.55rem; border: 0; border-radius: 999px; overflow: hidden; background: var(--surface-subtle); color: var(--accent); }
  progress::-webkit-progress-bar { background: var(--surface-subtle); }
  progress::-webkit-progress-value { background: var(--accent); border-radius: 999px; }
  progress::-moz-progress-bar { background: var(--accent); border-radius: 999px; }
  .alert { margin-block: 1.25rem; padding: 0.9rem; border-radius: var(--radius-sm); }
  .alert--error { background: var(--danger-soft); color: var(--danger); }
  .alert--success { background: var(--success-soft); color: var(--success); }
  .login-shell { min-block-size: 100vh; display: grid; place-items: center; padding: 1rem; }
  .login-card { inline-size: min(100%, 26rem); border: 1px solid var(--border); border-radius: var(--radius-lg); background: var(--surface); box-shadow: var(--shadow); padding: clamp(1.4rem, 5vw, 2.4rem); }
  .login-brand { inline-size: 3rem; block-size: 3rem; margin-block-end: 1.4rem; font-size: 1.25rem; }
  .stack-form { display: grid; gap: 1rem; margin-block-start: 1.5rem; }
  .security-note { margin-block-start: 1.25rem; color: var(--text-muted); font-size: 0.8rem; text-align: center; }
}

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

@layer adaptations {
  @media (max-width: 62rem) {
    .metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .product-grid, .component-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .details { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  }

  @media (max-width: 44rem) {
    .brand-row, .page, .footer, .primary-nav { inline-size: min(100% - 1rem, var(--content)); }
    .brand-row { align-items: flex-start; padding-block: 0.75rem; }
    .account { align-items: flex-end; flex-direction: column; gap: 0.15rem; }
    .account__name { display: none; }
    .page-heading { align-items: flex-start; flex-direction: column; }
    .snapshot-time { text-align: start; }
    .dashboard-grid, .two-column, .product-grid, .component-grid { grid-template-columns: 1fr; }
    .filters, .filters--search, .filters--compact { grid-template-columns: 1fr; }
    .filters .button { inline-size: 100%; }
    .history-list li { grid-template-columns: 1fr; gap: 0.15rem; }
    .timeline__top { flex-direction: column; gap: 0.2rem; }
    .pagination .button { flex: 1 1 12rem; }
    input, select, textarea { font-size: 1rem; }
  }

  @media (max-width: 28rem) {
    .metrics { grid-template-columns: 1fr; }
    .details, .product-card .details { grid-template-columns: 1fr; }
    .record-card__top { flex-direction: column; }
  }

  @media (prefers-reduced-motion: no-preference) {
    .button { transition: background-color 140ms ease, border-color 140ms ease, color 140ms ease, transform 80ms ease; }
    .button:active { transform: scale(0.98); }
    .skip-link { transition: transform 120ms ease; }
  }

  @media (prefers-contrast: more) {
    :root { --border: var(--border-strong); }
    .panel, .metric, .record-card, .product-card, .component-card { box-shadow: none; }
    .button, input, select { border-width: 2px; }
  }

  @media (forced-colors: active) {
    .badge, .unread, .brand > span, .login-brand { border: 1px solid currentColor; }
    .status-dot, .timeline__marker { forced-color-adjust: none; }
  }
}