/* t_preflight_html, root .pf-wrap.
   Each rule is scoped :where(.pf-wrap), which adds no specificity; the root rule itself stays
   bare. @keyframes pf-html-modal-spin is private to this form. */
/* Greenwood × PX T-PREFLIGHT — pre-attempt briefing screen.
   Wireframe ref: training_wireframes.html lines 1505-1568.
   Test-card hero with Instrument Serif italic title + stat
   strip (Archivo Black numerals); materials panel with sage
   type-tag chips; declarations panel with moss-bordered hint
   treatment; sticky primary footer with brand action button.

   Scoped under .pf-wrap; Greenwood chrome stays at the
   training root. */

.pf-wrap {
  max-width: 880px;
  margin: 0 auto;
  padding: var(--ch-space-lg);
  font-family: var(--gw-font);
  color: var(--gw-ink);
}

/* Header back affordance */
:where(.pf-wrap) .pf-header {
  display: flex;
  align-items: center;
  margin-bottom: var(--ch-space-md);
}
:where(.pf-wrap) .pf-back-btn {
  padding: 6px 14px;
  font-size: 13px;
  font-family: var(--gw-font); font-weight: 600;
  color: var(--gw-ink-2);
  background: transparent;
  border: 1px solid var(--gw-bd);
  border-radius: var(--gw-r-sm);
  cursor: pointer;
  min-height: 32px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
:where(.pf-wrap) .pf-back-btn:hover {
  background: var(--gw-paper-2);
  color: var(--gw-brand-d);
  border-color: var(--gw-bd-2);
}

:where(.pf-wrap) .pf-mode-banner {
  padding: 10px 14px;
  background: var(--gw-sage-pale);
  color: var(--gw-moss-d);
  border: 1px solid transparent;
  border-left: 4px solid var(--gw-moss);
  border-radius: var(--gw-r-md);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: var(--ch-space-md);
}
:where(.pf-wrap) .pf-mode-banner[data-mode="start"] { display: none; }
:where(.pf-wrap) .pf-mode-banner[data-mode="continue"] {
  background: var(--gw-brand-pale);
  color: var(--gw-brand-d);
  border-left-color: var(--gw-brand);
}
:where(.pf-wrap) .pf-mode-banner[data-mode="renew"] {
  background: var(--gw-warn-pale);
  color: var(--gw-warn-c);
  border-left-color: var(--gw-warn-c);
}

/* Test-card hero — paper panel with Instrument Serif italic
   title per wireframe line 1509 + Archivo Black stats. */
:where(.pf-wrap) .pf-hero {
  background: var(--gw-paper);
  border: 1px solid var(--gw-bd);
  padding: 18px 20px;
  margin-bottom: 14px;
  border-radius: var(--gw-r-lg);
  box-shadow: var(--gw-shadow-1);
}
:where(.pf-wrap) .pf-hero-head {
  display: flex; justify-content: space-between;
  align-items: baseline; gap: 12px;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--gw-bd);
  padding-bottom: 10px;
  margin-bottom: 12px;
}
:where(.pf-wrap) .pf-title {
  font-size: 26px;
  margin: 0;
  color: var(--gw-ink);
  letter-spacing: -0.01em;
  line-height: 1.2;
  font-family: var(--gw-font-emph);
  font-style: italic; font-weight: 400;
}
:where(.pf-wrap) .pf-hero-badges {
  display: flex; gap: 4px; flex-wrap: wrap;
}

:where(.pf-wrap) .pf-description {
  font-size: 14px;
  color: var(--gw-ink-2);
  line-height: 1.6;
  margin: 0 0 14px 0;
  white-space: pre-wrap;
}
:where(.pf-wrap) .pf-description:empty { display: none; }

/* Briefing facts strip — Archivo Black numerals per wireframe. */
:where(.pf-wrap) .pf-facts {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
:where(.pf-wrap) .pf-fact {
  background: var(--gw-paper-2);
  padding: 10px 14px;
  border-radius: var(--gw-r-md);
  border: 1px solid var(--gw-bd);
  min-width: 90px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
:where(.pf-wrap) .pf-fact-label {
  font-size: 10.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.10em;
  color: var(--gw-mute);
  font-family: var(--gw-font-mono);
}
:where(.pf-wrap) .pf-fact-value {
  font-size: 22px;
  color: var(--gw-ink);
  margin-top: 2px;
  font-family: var(--gw-font-brand);
  letter-spacing: -0.04em;
  line-height: 1;
}

/* Declarations list — sage-tinted scenario-hint per wireframe. */
:where(.pf-wrap) .pf-declarations {
  margin: 0 0 14px 0;
  padding: 12px 16px;
  background: var(--gw-sage-pale);
  border: 1px solid transparent;
  border-left: 4px solid var(--gw-moss);
  border-radius: var(--gw-r-md);
  color: var(--gw-ink-2);
}
:where(.pf-wrap) .pf-declarations:empty { display: none; }
:where(.pf-wrap) .pf-declarations h3 {
  font-size: 14px;
  margin: 0 0 6px 0;
  color: var(--gw-ink);
  font-family: var(--gw-font-emph);
  font-style: italic; font-weight: 400;
}
:where(.pf-wrap) .pf-declarations ul {
  margin: 0;
  padding-left: 20px;
  font-size: 13px;
  color: var(--gw-ink-2);
  line-height: 1.6;
}
:where(.pf-wrap) .pf-declarations li {
  margin-bottom: 4px;
}

/* Materials list section */
:where(.pf-wrap) .pf-materials {
  background: var(--gw-paper);
  border: 1px solid var(--gw-bd);
  padding: 18px 20px;
  margin-bottom: 14px;
  border-radius: var(--gw-r-lg);
  box-shadow: var(--gw-shadow-1);
}
:where(.pf-wrap) .pf-section-title {
  font-size: 18px;
  font-weight: 600;
  margin: 0 0 12px 0;
  color: var(--gw-ink);
  letter-spacing: -0.005em;
  border-bottom: 1px solid var(--gw-bd);
  padding-bottom: 8px;
}
:where(.pf-wrap) .pf-materials-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
:where(.pf-wrap) .pf-materials-list:empty { display: none; }
:where(.pf-wrap) .pf-materials-empty {
  display: none;
  padding: 16px 18px;
  color: var(--gw-mute);
  font-size: 13px;
  text-align: center;
  background: var(--gw-paper-2);
  border: 1px dashed var(--gw-bd);
  border-radius: var(--gw-r-md);
  font-family: var(--gw-font-emph);
  font-style: italic; font-weight: 400;
}
:where(.pf-wrap) .pf-materials-empty.pf-visible { display: block; }

/* Wireframe material-row: paper-2 background, type-tag chip on left.
   One-line row — no accordion expansion. The action button on the
   right handles open/download per material kind (issue: empty
   expanding panel after a download was meaningless UX). */
:where(.pf-wrap) .pf-mat {
  background: var(--gw-paper-2);
  border: 1px solid var(--gw-bd);
  border-radius: var(--gw-r-md);
  overflow: hidden;
  transition: border-color var(--gw-t);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
}
:where(.pf-wrap) .pf-mat:hover { border-color: var(--gw-bd-2); }
/* Moss "type-tag" chip per wireframe line 677-682. */
:where(.pf-wrap) .pf-mat-icon {
  min-width: 54px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--gw-moss); color: #fff;
  padding: 3px 10px;
  font-size: 11px; font-weight: 600;
  letter-spacing: 0.04em;
  border-radius: var(--gw-r-pill);
  font-family: var(--gw-font-mono);
  flex-shrink: 0;
}
:where(.pf-wrap) .pf-mat-title {
  flex: 1;
  font-size: 14px;
  font-weight: 600;
  color: var(--gw-ink);
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
:where(.pf-wrap) .pf-mat-action-btn {
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 600;
  font-family: var(--gw-font);
  background: var(--gw-paper);
  color: var(--gw-brand-d);
  border: 1px solid var(--gw-bd);
  border-radius: var(--gw-r-sm);
  cursor: pointer;
  min-height: 32px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: background var(--gw-t);
}
:where(.pf-wrap) .pf-mat-action-btn:hover {
  background: var(--gw-brand-pale);
  border-color: var(--gw-bd-2);
}

/* HTML module modal */
:where(.pf-wrap) .pf-html-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.55);
  z-index: 9000;
  display: none;
  align-items: stretch;
  justify-content: center;
}
:where(.pf-wrap) .pf-html-modal-backdrop.pf-visible { display: flex; }
:where(.pf-wrap) .pf-html-modal {
  background: var(--gw-paper);
  width: 85vw;
  height: 95vh;
  margin: auto;
  border-radius: var(--gw-r-lg);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: var(--gw-shadow-3);
}
:where(.pf-wrap) .pf-html-modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--gw-bd);
}
:where(.pf-wrap) .pf-html-modal-title {
  font-size: 14px;
  font-weight: 600;
  margin: 0;
  color: var(--gw-ink);
}
:where(.pf-wrap) .pf-html-modal-close {
  padding: 6px 14px;
  font-size: 13px;
  background: var(--gw-paper);
  color: var(--gw-ink-2);
  border: 1px solid var(--gw-bd);
  border-radius: var(--gw-r-sm);
  cursor: pointer;
  min-height: 32px;
  font-family: var(--gw-font); font-weight: 600;
}
:where(.pf-wrap) .pf-html-modal-close:hover {
  background: var(--gw-paper-2);
  color: var(--gw-ink);
}
:where(.pf-wrap) .pf-html-modal-body {
  flex: 1;
  position: relative;
  display: flex;
  background: #fff;
  min-height: 0;
}
:where(.pf-wrap) .pf-html-modal-iframe {
  flex: 1;
  width: 100%;
  border: none;
  background: #fff;
}
:where(.pf-wrap) .pf-html-modal-loading {
  position: absolute;
  inset: 0;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--ch-space-md);
  background: var(--gw-paper);
  color: var(--gw-mute);
  font-size: 14px;
  z-index: 1;
}
:where(.pf-wrap) .pf-html-modal-loading.pf-visible { display: flex; }
:where(.pf-wrap) .pf-html-modal-spinner {
  width: 40px; height: 40px;
  border: 3px solid var(--gw-bd);
  border-top-color: var(--gw-brand);
  border-radius: 50%;
  animation: pf-html-modal-spin 1s linear infinite;
}
@keyframes pf-html-modal-spin { to { transform: rotate(360deg); } }

/* Apology modal — mid-attempt cancellation. */
:where(.pf-wrap) .pf-apology-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.55);
  z-index: 9000;
  display: none;
  align-items: center;
  justify-content: center;
}
:where(.pf-wrap) .pf-apology-modal-backdrop.pf-visible { display: flex; }
:where(.pf-wrap) .pf-apology-modal {
  background: var(--gw-paper);
  width: min(92vw, 480px);
  margin: auto;
  border-radius: var(--gw-r-lg);
  padding: 24px 24px 20px;
  box-shadow: var(--gw-shadow-3);
  display: flex;
  flex-direction: column;
  gap: 16px;
  border: 1px solid var(--gw-bd);
}
:where(.pf-wrap) .pf-apology-modal-title {
  font-size: 22px;
  margin: 0;
  color: var(--gw-ink);
  font-family: var(--gw-font-emph);
  font-style: italic; font-weight: 400;
}
:where(.pf-wrap) .pf-apology-modal-body {
  font-size: 14px;
  line-height: 1.5;
  color: var(--gw-ink-2);
  margin: 0;
}
:where(.pf-wrap) .pf-apology-modal-actions {
  display: flex;
  justify-content: flex-end;
}
:where(.pf-wrap) .pf-apology-modal-exit {
  padding: 10px 22px;
  font-size: 14px;
  font-weight: 600;
  background: var(--gw-brand);
  color: #fff;
  border: 1px solid var(--gw-brand);
  border-radius: var(--gw-r-md);
  cursor: pointer;
  min-height: 38px;
  font-family: var(--gw-font);
}
:where(.pf-wrap) .pf-apology-modal-exit:hover {
  background: var(--gw-brand-d);
  border-color: var(--gw-brand-d);
}

/* Sticky footer — primary action. */
:where(.pf-wrap) .pf-footer {
  position: sticky;
  bottom: 0;
  background: var(--gw-paper);
  border: 1px solid var(--gw-bd);
  border-radius: var(--gw-r-lg);
  padding: 14px 18px;
  margin-top: var(--ch-space-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  box-shadow: var(--gw-shadow-2);
}
:where(.pf-wrap) .pf-footer-status {
  font-size: 13px;
  color: var(--gw-ink-2);
  font-family: var(--gw-font-mono);
}
:where(.pf-wrap) .pf-footer-status:empty { display: none; }
:where(.pf-wrap) .pf-footer-action {
  padding: 12px 28px;
  font-size: 15px;
  font-weight: 600;
  font-family: var(--gw-font);
  background: var(--gw-brand);
  color: #fff;
  border: 1px solid var(--gw-brand);
  border-radius: var(--gw-r-md);
  cursor: pointer;
  min-height: 44px;
  min-width: 140px;
  transition: background var(--gw-t), border-color var(--gw-t);
}
:where(.pf-wrap) .pf-footer-action:hover:not(:disabled) {
  background: var(--gw-brand-d);
  border-color: var(--gw-brand-d);
}
:where(.pf-wrap) .pf-footer-action:focus-visible {
  outline: 2px solid var(--gw-brand);
  outline-offset: 2px;
}
:where(.pf-wrap) .pf-footer-action:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}
:where(.pf-wrap) .pf-footer[data-state="renew"] .pf-footer-action {
  background: var(--gw-warn-c);
  border-color: var(--gw-warn-c);
}
:where(.pf-wrap) .pf-footer[data-state="renew"] .pf-footer-action:hover:not(:disabled) {
  filter: brightness(0.95);
}
:where(.pf-wrap) .pf-footer[data-state="locked"] .pf-footer-action {
  background: var(--gw-paper-2);
  color: var(--gw-mute);
  cursor: not-allowed;
  border-color: var(--gw-bd);
}
:where(.pf-wrap) .pf-footer[data-state="continue"] .pf-footer-action {
  background: var(--gw-brand);
  border-color: var(--gw-brand);
}

/* In-progress / apology / hard-expired banners. */
:where(.pf-wrap) .pf-banner-stack {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: var(--ch-space-md);
}
:where(.pf-wrap) .pf-banner-stack:empty { display: none; }
:where(.pf-wrap) .pf-banner {
  padding: 12px 16px;
  border-radius: var(--gw-r-md);
  font-size: 13px;
  font-weight: 500;
  line-height: 1.45;
  border: 1px solid transparent;
}
:where(.pf-wrap) .pf-banner[data-kind="in_progress_other_device"] {
  background: var(--gw-brand-pale);
  color: var(--gw-brand-d);
  border-left: 4px solid var(--gw-brand);
}
:where(.pf-wrap) .pf-banner[data-kind="apology"] {
  background: var(--gw-danger-pale);
  color: var(--gw-danger);
  border-left: 4px solid var(--gw-danger);
}
:where(.pf-wrap) .pf-banner[data-kind="hard_expired"] {
  background: var(--gw-warn-pale);
  color: var(--gw-warn-c);
  border-left: 4px solid var(--gw-warn-c);
}