/*
 * Order show - editorial document layout.
 *
 * Treats the invoice page as a printed document: oversized invoice number
 * as the typographic anchor, ledger-style item table with tabular figures,
 * sidebar of metadata, and a state-driven payment block as the visual
 * climax. The yellow brand accent surfaces only on the primary action and
 * the section-title underline so it stays a punctuation mark, not noise.
 */
@layer components {
  /* Page container - let the article breathe, but not so wide it loses
     editorial rhythm. */
  .order-show {
    max-inline-size: 80rem;
    margin-inline: auto;
    padding-block: var(--space-md);
  }

  /* Animate sections in on first load so the page composes itself. */
  @keyframes order-show-rise {
    from {
      opacity: 0;
      transform: translateY(0.5rem);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  .order-show > * {
    animation: order-show-rise 0.45s var(--ease-out) backwards;
  }
  .order-show__hero { animation-delay: 40ms; }
  .order-show__body { animation-delay: 120ms; }
  .order-show__footer { animation-delay: 220ms; }

  /* ─── HERO ──────────────────────────────────────────────────────── */

  .order-show__hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: flex-end;
    gap: var(--space-xl);
    padding-block: var(--space-xl) var(--space-lg);
    margin-block-end: var(--space-xl);
    border-block-end: 1px solid #e5e5e5;
    /* Dock to the top so scrolling through long invoices keeps the
       primary actions and the order number reachable. */
    position: sticky;
    inset-block-start: 0;
    z-index: 10;
    background: var(--color-background);
    transition:
      padding-block 0.25s var(--ease-out),
      box-shadow 0.25s var(--ease-out),
      border-color 0.25s var(--ease-out),
      margin-block-end 0.25s var(--ease-out);
  }

  @media (max-width: 50rem) {
    .order-show__hero {
      grid-template-columns: 1fr;
      gap: var(--space-md);
    }
  }

  .order-show__eyebrow {
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--color-text-secondary);
    margin: 0 0 var(--space-2xs);
    font-weight: 500;
    overflow: hidden;
    max-block-size: 2rem;
    transition: max-block-size 0.25s var(--ease-out),
                opacity 0.2s var(--ease-out),
                margin 0.25s var(--ease-out);
  }

  .order-show__eyebrow-accent {
    color: var(--color-text);
    font-weight: 600;
  }

  .order-show__number {
    font-family: "Fira Sans", sans-serif;
    font-weight: 200;
    font-size: clamp(2.75rem, 7vw, 5.5rem);
    line-height: 0.95;
    letter-spacing: -0.025em;
    margin: 0 0 var(--space-sm);
    color: var(--color-text);
    font-feature-settings: "tnum" 1;
    transition: font-size 0.25s var(--ease-out),
                margin 0.25s var(--ease-out),
                letter-spacing 0.25s var(--ease-out);
  }

  .order-show__subject {
    font-size: var(--text-lg);
    line-height: 1.4;
    color: var(--color-text-secondary);
    max-inline-size: 50ch;
    margin: 0;
    overflow: hidden;
    max-block-size: 4rem;
    transition: max-block-size 0.25s var(--ease-out),
                opacity 0.2s var(--ease-out);
  }

  /* Header actions sit at the baseline of the title block. The existing
     btn-group handles the inner layout; we just nudge it inline. */
  .order-show__hero .admin-header__actions {
    margin: 0;
  }

  /* ─── HERO STUCK STATE ─────────────────────────────────────────────
     When the hero docks to the viewport top, the eyebrow and subject
     collapse and the order number shrinks to a compact toolbar height.
     All transitions live on the base rules; this rule just flips the
     target values. */
  .order-show__hero--stuck {
    padding-block: var(--space-xs);
    margin-block-end: var(--space-md);
    border-block-end-color: transparent;
    box-shadow: 0 6px 16px -8px rgba(0, 0, 0, 0.12);
    align-items: center;
  }

  .order-show__hero--stuck .order-show__number {
    font-size: var(--text-xl);
    letter-spacing: 0;
    margin: 0;
  }

  .order-show__hero--stuck .order-show__eyebrow,
  .order-show__hero--stuck .order-show__subject {
    max-block-size: 0;
    margin: 0;
    opacity: 0;
    pointer-events: none;
  }

  /* Reduced motion: skip the transitions but keep the layout change so
     the page still behaves correctly. */
  @media (prefers-reduced-motion: reduce) {
    .order-show__hero,
    .order-show__hero *,
    .order-show > * {
      transition: none !important;
      animation: none !important;
    }
  }

  /* ─── BODY: SIDEBAR + MAIN ─────────────────────────────────────── */

  .order-show__body {
    display: grid;
    grid-template-columns: minmax(0, 18rem) minmax(0, 1fr);
    gap: var(--space-2xl);
    align-items: start;
  }

  @media (max-width: 56rem) {
    .order-show__body {
      grid-template-columns: 1fr;
      gap: var(--space-xl);
    }
  }

  /* Sidebar: metadata as a stacked ledger. Each row is a label/value pair
     separated by a hairline so the column reads like an invoice's
     "Belege" sidebar in print. */
  .order-show__sidebar {
    display: grid;
    gap: 0;
    align-self: start;
    position: sticky;
    /* Sits just below the stuck hero so the metadata doesn't slide under
       the docked toolbar. */
    top: 4.5rem;
  }

  @media (max-width: 56rem) {
    .order-show__sidebar {
      position: static;
    }
  }

  .order-meta {
    display: grid;
    gap: var(--space-3xs);
    padding-block: var(--space-sm);
    border-block-end: 1px solid #f0f0f0;
  }

  .order-meta:first-child {
    padding-block-start: 0;
  }

  .order-meta:last-child {
    border-block-end: 0;
  }

  .order-meta__label {
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--color-text-muted);
    font-weight: 600;
  }

  .order-meta__value {
    font-size: var(--text-base);
    color: var(--color-text);
    font-feature-settings: "tnum" 1;
    line-height: 1.4;
  }

  .order-meta__value a {
    color: inherit;
    text-decoration: none;
    border-block-end: 1px solid currentcolor;
    padding-block-end: 0.05em;
  }

  .order-meta__value a:hover {
    color: var(--color-link);
    border-block-end-color: var(--color-link);
  }

  /* Main column: stacked sections. */
  .order-show__main {
    display: grid;
    gap: var(--space-2xl);
    min-inline-size: 0;
  }

  .order-show__section-title {
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--color-text);
    font-weight: 700;
    margin: 0 0 var(--space-md);
    padding-block-end: var(--space-2xs);
    border-block-end: 2px solid var(--color-text);
    /* Yellow underscore that hangs just under the heading rule - the only
       place on the page where the brand accent shows up unannounced. */
    position: relative;
  }

  .order-show__section-title::after {
    content: "";
    position: absolute;
    inset-block-end: -2px;
    inset-inline-start: 0;
    inline-size: 2.5rem;
    block-size: 2px;
    background: var(--color-yellow);
  }

  /* ─── LEDGER (items table) ────────────────────────────────────── */

  .order-ledger {
    inline-size: 100%;
    border-collapse: collapse;
    font-feature-settings: "tnum" 1, "lnum" 1;
  }

  .order-ledger thead th {
    text-align: start;
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 600;
    color: var(--color-text-muted);
    padding: var(--space-2xs) var(--space-sm) var(--space-xs);
    border-block-end: 1px solid #d9d9d9;
  }

  .order-ledger tbody td {
    padding: var(--space-sm);
    border-block-end: 1px solid #f5f5f5;
    vertical-align: top;
    line-height: 1.4;
  }

  .order-ledger tbody tr:last-of-type td {
    border-block-end: 0;
  }

  .order-ledger .num {
    text-align: end;
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
  }

  .order-ledger .pos {
    color: var(--color-text-muted);
    inline-size: 3ch;
    font-variant-numeric: tabular-nums;
  }

  .order-ledger__sub {
    display: block;
    color: var(--color-text-muted);
    font-size: var(--text-xs);
    margin-block-start: var(--space-3xs);
  }

  .order-ledger__total td {
    border-block-end: 0;
    border-block-start: 2px solid var(--color-text);
    padding-block-start: var(--space-md);
    padding-block-end: 0;
    font-weight: 700;
    font-size: var(--text-lg);
  }

  /* ─── EXPLANATION ────────────────────────────────────────────── */

  .order-show__explanation {
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--color-text);
    max-inline-size: 60ch;
  }

  .order-show__explanation :where(p, ul, ol) {
    margin-block: 0 var(--space-sm);
  }

  /* ─── PAYMENT STATUS (visual climax) ─────────────────────────── */

  .payment-status {
    --status-bg: #fafafa;
    --status-border: #e5e5e5;
    --status-accent: var(--color-text-secondary);

    padding: var(--space-lg);
    border-radius: var(--radius-md);
    background: var(--status-bg);
    border: 1px solid var(--status-border);
    border-inline-start: 4px solid var(--status-accent);
    display: grid;
    gap: var(--space-md);
  }

  .payment-status--paid {
    --status-bg: #ecf8ee;
    --status-border: #b6dfc0;
    --status-accent: #2e7d32;
  }

  .payment-status--overdue {
    --status-bg: #fdf4f5;
    --status-border: #f1b0b7;
    --status-accent: var(--color-error);
  }

  .payment-status--unsent {
    --status-bg: #fafafa;
    --status-border: #e5e5e5;
    --status-accent: #999;
  }

  .payment-status__head {
    display: grid;
    gap: var(--space-3xs);
  }

  .payment-status__label {
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--status-accent);
    font-weight: 600;
    margin: 0;
  }

  .payment-status__primary {
    font-size: var(--text-2xl);
    font-weight: 600;
    color: var(--color-text);
    margin: 0;
    line-height: 1.15;
    font-feature-settings: "tnum" 1;
  }

  .payment-status--paid .payment-status__primary { color: #1b5e20; }
  .payment-status--overdue .payment-status__primary { color: #721c24; }

  .payment-status__form {
    display: flex;
    gap: var(--space-sm);
    align-items: end;
    flex-wrap: wrap;
  }

  .payment-status__field {
    display: grid;
    gap: var(--space-3xs);
  }

  .payment-status__field label {
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-secondary);
    font-weight: 600;
  }

  .payment-status__field input {
    padding: var(--space-2xs) var(--space-sm);
    border: 1px solid #ccc;
    border-radius: var(--radius-sm);
    font: inherit;
    font-size: var(--text-sm);
    font-variant-numeric: tabular-nums;
    background: var(--color-white);
  }

  /* ─── DOCUMENT (PDF embed) ───────────────────────────────────── */

  .order-document-embed {
    inline-size: 100%;
    block-size: min(80vh, 50rem);
    min-block-size: 30rem;
    display: block;
    border: 0;
    background: #fafafa;
    box-shadow:
      0 1px 2px rgba(0, 0, 0, 0.04),
      0 12px 32px rgba(0, 0, 0, 0.08);
    border-radius: 2px;
  }

  .order-document__empty {
    padding: var(--space-xl);
    text-align: center;
    color: var(--color-text-muted);
    background: var(--color-background-elevated);
    border: 1px dashed #d9d9d9;
    border-radius: var(--radius-md);
    margin: 0;
  }

  /* ─── FOOTER ─────────────────────────────────────────────────── */

  .order-show__footer {
    margin-block-start: var(--space-2xl);
    padding-block-start: var(--space-lg);
    border-block-start: 1px solid #e5e5e5;
    display: flex;
    gap: var(--space-md);
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
  }

  .order-show__footer-danger {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
  }
}