/* Portal styles. Mobile first; one breakpoint at 672px (the factory grid's first tier).
   Every colour, text size and radius comes from a token below; spacing uses the 4/8-based scale. */

:root {
  color-scheme: light dark;

  --color-page: #f4f5f7;
  --color-surface: #ffffff;
  --color-ink: #1b1f24;
  --color-muted: #545c69;
  --color-line: #d9dde3;
  --color-control: #7a8291;
  --color-accent: #1d55b0;
  --color-on-accent: #ffffff;
  --color-focus: #1d55b0;
  --color-danger: #b3261e;
  --color-danger-surface: #fcebea;
  --color-warning: #a65d00;
  --color-warning-surface: #fdf3e1;
  --color-info: #545c69;
  --color-info-surface: #e9ecf1;
  --color-status-pending: #6b7380;
  --color-status-progress: #a65d00;
  --color-status-submitted: #1d7a3a;

  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --text-small: 14px;
  --text-body: 16px;
  --text-title: 24px;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-between-blocks: var(--space-6);

  --margin-page: 16px;
  --frame-page: 960px;
  --measure-form: 440px;
  --measure-text: 40rem;

  --radius-control: 8px;
  --radius-pill: 999px;
  --target-min: 48px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-page: #111418;
    --color-surface: #1a1e24;
    --color-ink: #e7eaee;
    --color-muted: #a7afbb;
    --color-line: #2f353e;
    --color-control: #78818f;
    --color-accent: #8db4ff;
    --color-on-accent: #0c1526;
    --color-focus: #8db4ff;
    --color-danger: #ff8b80;
    --color-danger-surface: #3b1f1d;
    --color-warning: #f0b259;
    --color-warning-surface: #382a14;
    --color-info: #a7afbb;
    --color-info-surface: #232931;
    --color-status-pending: #9aa3b0;
    --color-status-progress: #f0b259;
    --color-status-submitted: #5fcf89;
  }
}

@media (min-width: 672px) {
  :root { --margin-page: 24px; }
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--color-page);
  color: var(--color-ink);
  font: var(--text-body)/1.5 var(--font-sans);
  overflow-wrap: break-word;
}
p, h1, h2, ol, ul { margin: 0; }
:focus-visible { outline: 3px solid var(--color-focus); outline-offset: 2px; }

.visually-hidden {
  position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ---- frame ------------------------------------------------------------------------------ */

.frame {
  width: 100%;
  max-width: calc(var(--frame-page) + 2 * var(--margin-page));
  margin-inline: auto;
  padding-inline: var(--margin-page);
}

.masthead {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  min-height: calc(var(--target-min) + 2 * var(--space-2));
  padding-block: var(--space-2);
  border-bottom: 1px solid var(--color-line);
}
/* The product name has its own style: small caps-like, tracked, never a heading style. */
.brand {
  font-size: var(--text-small);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.masthead-actions { display: flex; gap: var(--space-2); }

main { padding-block: var(--space-6) var(--space-7); }

.page-head h1 { font-size: var(--text-title); line-height: 1.25; font-weight: 650; }
.page-meta {
  max-width: var(--measure-text);
  margin-top: var(--space-2);
  color: var(--color-muted);
  overflow-wrap: anywhere;
}

.notices { margin-top: var(--space-between-blocks); }
.notices:empty { display: none; }
.body { margin-top: var(--space-between-blocks); }

.section + .section { margin-top: var(--space-between-blocks); }
.section h2 { font-size: var(--text-body); font-weight: 650; margin-bottom: var(--space-3); }
.section p { max-width: var(--measure-text); }

/* Sections side by side share the width equally; below 672px they stack. */
.split { display: grid; gap: var(--space-between-blocks); }
.split > .section { margin: 0; }
@media (min-width: 672px) {
  .split { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* ---- notices ---------------------------------------------------------------------------- */

.notice {
  --notice-accent: var(--color-info);
  --notice-surface: var(--color-info-surface);
  display: grid;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-line);
  border-inline-start: 4px solid var(--notice-accent);
  border-radius: var(--radius-control);
  background: var(--notice-surface);
}
.notice--warning { --notice-accent: var(--color-warning); --notice-surface: var(--color-warning-surface); }
.notice--error { --notice-accent: var(--color-danger); --notice-surface: var(--color-danger-surface); }
.notice p { max-width: var(--measure-text); }
.notice-actions { display: flex; flex-wrap: wrap; column-gap: var(--space-5); }

/* ---- forms and buttons ------------------------------------------------------------------ */

.form { display: grid; gap: var(--space-4); max-width: var(--measure-form); }
.field { display: grid; gap: var(--space-2); }
label { font-weight: 600; }
.hint { color: var(--color-muted); font-size: var(--text-small); }
input {
  width: 100%;
  min-height: var(--target-min);
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-control);
  border-radius: var(--radius-control);
  background: var(--color-surface);
  color: var(--color-ink);
  font: inherit;
  font-size: var(--text-body); /* 16px or more keeps iOS from zooming in */
}
input[aria-invalid="true"] { border-color: var(--color-danger); box-shadow: inset 0 0 0 1px var(--color-danger); }
.code-input { font-size: var(--text-title); letter-spacing: 0.3em; font-variant-numeric: tabular-nums; }
.field-error { color: var(--color-danger); font-size: var(--text-small); font-weight: 600; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--target-min);
  padding: var(--space-2) var(--space-5);
  border: 1px solid transparent;
  border-radius: var(--radius-control);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}
.button--primary { background: var(--color-accent); color: var(--color-on-accent); }
.button--secondary { background: transparent; color: var(--color-ink); border-color: var(--color-control); }
.form .button--primary { width: 100%; }

.link-button {
  appearance: none;
  min-height: 44px;
  padding: 0;
  border: 0;
  background: none;
  color: var(--color-accent);
  font: inherit;
  text-align: start;
  text-decoration: underline;
  text-underline-offset: 3px;
  cursor: pointer;
}
.secondary-actions { display: grid; justify-items: start; gap: var(--space-1); }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-4); }

.steps { list-style: none; padding: 0; display: grid; gap: var(--space-2); counter-reset: step; }
.steps li { counter-increment: step; }
.steps li::before { content: counter(step) ". "; font-weight: 650; font-variant-numeric: tabular-nums; }

/* ---- home ------------------------------------------------------------------------------- */

.loading { color: var(--color-muted); }
.empty p { margin-bottom: var(--space-4); overflow-wrap: anywhere; }

.rows { list-style: none; padding: 0; border-top: 1px solid var(--color-line); }
.row { border-bottom: 1px solid var(--color-line); }
.row-link {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  min-height: 56px;
  padding-block: var(--space-4);
  color: inherit;
  text-decoration: none;
}
.row-main { display: grid; gap: var(--space-1); }
.row-title { color: var(--color-accent); font-weight: 600; }
.row-meta { color: var(--color-muted); font-size: var(--text-small); }
@media (hover: hover) {
  .row-link:hover .row-title { text-decoration: underline; text-underline-offset: 3px; }
}
@media (min-width: 672px) {
  .row-link { flex-direction: row; align-items: center; justify-content: space-between; gap: var(--space-4); }
}

.status { display: inline-flex; align-items: center; gap: var(--space-2); font-size: var(--text-small); white-space: nowrap; }
.status-dot { width: 10px; height: 10px; border-radius: var(--radius-pill); background: var(--dot, var(--color-status-pending)); }
.status--in_progress .status-dot { --dot: var(--color-status-progress); }
.status--submitted .status-dot { --dot: var(--color-status-submitted); }

/* ---- piece ------------------------------------------------------------------------------ */

.piece-layout { display: flex; flex-direction: column; height: 100vh; height: 100dvh; }
.piece-layout > .frame { flex: none; }
.piece-bar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas: "back back" "heading action";
  align-items: center;
  column-gap: var(--space-4);
  row-gap: var(--space-1);
  padding-block: var(--space-1) var(--space-3);
}
.back-link { grid-area: back; justify-self: start; display: inline-flex; align-items: center; gap: var(--space-1); min-height: 44px; color: var(--color-accent); font-weight: 600; text-decoration: none; }
@media (hover: hover) { .back-link:hover { text-decoration: underline; text-underline-offset: 3px; } }
.piece-heading { grid-area: heading; display: grid; gap: var(--space-1); min-width: 0; }
.piece-title { font-size: var(--text-body); font-weight: 650; line-height: 1.3; }
.piece-status { color: var(--color-muted); font-size: var(--text-small); }
.piece-bar .button { grid-area: action; }
@media (min-width: 672px) {
  .piece-bar { grid-template-columns: auto minmax(0, 1fr) auto; grid-template-areas: "back heading action"; padding-block: var(--space-2); }
}
.piece-layout .notices { margin: 0 0 var(--space-3); }
.piece-main { flex: 1; min-height: 0; padding: 0; border-top: 1px solid var(--color-line); }
.piece-frame { display: block; width: 100%; height: 100%; border: 0; }