/*
  CFTS shared chrome CSS for Flask/Jinja apps.
  This carries the reusable h-f.cfts.co shell without the preview-only panels.
  Docs: _deploy/css-compartmentalisation-readable-map-20260704.md
  Related: _deploy/css-compartmentalisation-worklog-20260704.md; _deploy/css-compartmentalisation-verification-20260704.md
*/

:root {
  --cfts-chrome-bg: #111312;
  --cfts-chrome-surface: #181a18;
  --cfts-chrome-surface-raised: #20231f;
  --cfts-chrome-text: #f2f1eb;
  --cfts-chrome-muted: #a6aaa4;
  --cfts-chrome-line: #30342f;
  --cfts-chrome-accent: #0093d1;
  --cfts-chrome-accent-strong: #8bd7f4;
  --cfts-chrome-accent-soft: #082536;
  --cfts-chrome-accent-warm: #f78f1e;
  --cfts-chrome-page-standard: 1280px;
  --cfts-chrome-page-wide: 1792px;
  --cfts-chrome-page: min(100% - 36px, var(--cfts-chrome-page-standard));
  --cfts-chrome-radius: 8px;
  --cfts-chrome-font: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --cfts-chrome-heading-font: "Segoe UI Light", "Segoe UI", Arial, sans-serif;
}

html[data-document-width="wide"] {
  --cfts-chrome-page: min(100% - 36px, var(--cfts-chrome-page-wide));
}

html[data-theme="dark"] {
  color-scheme: dark;
  --bg: #111312;
  --surface: #181a18;
  --surface-soft: #20231f;
  --text: #f2f1eb;
  --muted: #a6aaa4;
  --line: #30342f;
  --line-soft: #3a4039;
  --brand: #0093d1;
  --brand-strong: #8bd7f4;
  --brand-soft: #082536;
  --brand-line: #16455b;
  --accent-warm: #f78f1e;
  --cfts-chrome-bg: #111312;
  --cfts-chrome-surface: #181a18;
  --cfts-chrome-surface-raised: #20231f;
  --cfts-chrome-text: #f2f1eb;
  --cfts-chrome-muted: #a6aaa4;
  --cfts-chrome-line: #30342f;
  --cfts-chrome-accent: #0093d1;
  --cfts-chrome-accent-strong: #8bd7f4;
  --cfts-chrome-accent-soft: #082536;
  --cfts-chrome-accent-warm: #f78f1e;
}

html[data-theme="light"] {
  color-scheme: light;
  --bg: #f5f6f4;
  --surface: #ffffff;
  --surface-soft: #eef2ee;
  --text: #20231f;
  --muted: #676d66;
  --line: #d9ded6;
  --line-soft: #e8ece6;
  --brand: #0077a8;
  --brand-strong: #005f85;
  --brand-soft: #e4f5fb;
  --brand-line: #c4dde8;
  --accent-warm: #c96500;
  --cfts-chrome-bg: #f5f6f4;
  --cfts-chrome-surface: #ffffff;
  --cfts-chrome-surface-raised: #eef2ee;
  --cfts-chrome-text: #20231f;
  --cfts-chrome-muted: #676d66;
  --cfts-chrome-line: #d9ded6;
  --cfts-chrome-accent: #0077a8;
  --cfts-chrome-accent-strong: #005f85;
  --cfts-chrome-accent-soft: #e4f5fb;
  --cfts-chrome-accent-warm: #c96500;
}

.cfts-chrome-page {
  min-height: 100vh;
  margin: 0;
  background: var(--cfts-chrome-bg);
  color: var(--cfts-chrome-text);
  font-family: var(--cfts-chrome-font);
}

.cfts-chrome-header {
  position: sticky;
  top: 0;
  z-index: 10;
  isolation: isolate;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 20px;
  align-items: start;
  width: var(--cfts-chrome-page);
  margin: 0 auto;
  padding: 12px 0 11px;
  border-bottom: 0;
  background: transparent;
  backdrop-filter: blur(16px);
}

.cfts-chrome-header::before {
  position: absolute;
  inset: 0 50%;
  z-index: -1;
  margin-inline: -50vw;
  border-bottom: 1px solid var(--cfts-chrome-line);
  background: color-mix(in srgb, var(--cfts-chrome-bg) 92%, transparent);
  content: "";
}

.cfts-chrome-brand,
.cfts-chrome-brand:visited {
  display: grid;
  gap: 3px;
  justify-items: center;
  color: var(--cfts-chrome-text);
  text-align: center;
  text-decoration: none;
}

.cfts-chrome-brand:hover,
.cfts-chrome-brand:focus-visible {
  color: var(--cfts-chrome-accent-warm);
  outline: 0;
  text-decoration: none;
}

.cfts-chrome-logo-pair {
  display: block;
  width: 188px;
  max-width: 48vw;
}

.cfts-chrome-logo-pair img {
  display: block;
  width: 100%;
  height: auto;
}

.cfts-chrome-logo-light {
  display: none !important;
}

html[data-theme="dark"] .cfts-chrome-logo-dark {
  display: block !important;
}

html[data-theme="dark"] .cfts-chrome-logo-light {
  display: none !important;
}

html[data-theme="light"] .cfts-chrome-logo-dark {
  display: none !important;
}

html[data-theme="light"] .cfts-chrome-logo-light {
  display: block !important;
}

.cfts-chrome-service {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  width: 100%;
  color: var(--cfts-chrome-muted);
  font-size: 12px;
  font-weight: 500;
  line-height: 1.15;
}

.cfts-chrome-brand:hover .cfts-chrome-service,
.cfts-chrome-brand:focus-visible .cfts-chrome-service {
  color: var(--cfts-chrome-accent-warm);
}

.cfts-chrome-title-icon,
.cfts-chrome-nav-icon {
  flex: 0 0 auto;
  width: 1em;
  height: 1em;
}

.cfts-chrome-nav {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 7px;
  align-items: center;
  align-self: start;
  max-width: none;
  margin: 16px 0 0;
}

.cfts-chrome-nav--controls-only {
  grid-template-columns: 1fr;
  justify-items: end;
}

.cfts-chrome-nav--controls-only .cfts-chrome-nav-links {
  display: none;
}

.cfts-chrome-nav-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  justify-self: center;
  gap: 7px;
  min-width: 0;
}

.cfts-chrome-nav-link,
.cfts-chrome-nav-link:visited {
  display: inline-flex;
  min-width: 0;
  min-height: 30px;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 6px 10px;
  border: 1px solid var(--cfts-chrome-line);
  border-radius: 7px;
  background: color-mix(in srgb, var(--cfts-chrome-surface-raised) 72%, transparent);
  color: var(--cfts-chrome-muted) !important;
  font-size: 13px;
  font-weight: 560;
  line-height: 1.2;
  text-decoration: none;
}

.cfts-chrome-nav-link:hover,
.cfts-chrome-nav-link:focus-visible,
.cfts-chrome-nav-link.is-active {
  border-color: color-mix(in srgb, var(--cfts-chrome-accent-warm) 45%, var(--cfts-chrome-line));
  color: var(--cfts-chrome-accent-warm) !important;
  outline: 0;
  text-decoration: none;
}

.cfts-chrome-nav-link.is-active {
  background: var(--cfts-chrome-accent-soft);
  color: var(--cfts-chrome-accent-strong) !important;
}

.cfts-chrome-controls {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  justify-self: end;
}

.cfts-chrome-mode {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  gap: 2px;
  margin: 0 !important;
  padding: 2px;
  border: 1px solid var(--cfts-chrome-line);
  border-radius: 7px;
  box-sizing: border-box;
  background: color-mix(in srgb, var(--cfts-chrome-surface-raised) 72%, transparent);
}

.cfts-chrome-mode-link,
.cfts-chrome-mode-link:visited {
  display: inline-flex;
  min-height: 24px;
  align-items: center;
  justify-content: center;
  margin: 0 !important;
  padding: 3px 8px;
  border: 0 !important;
  border-radius: 5px;
  background: transparent !important;
  box-shadow: none !important;
  color: var(--cfts-chrome-muted) !important;
  font-size: 12px;
  font-weight: 560;
  line-height: 1;
  text-decoration: none;
}

.cfts-chrome-mode-link:hover,
.cfts-chrome-mode-link:focus-visible {
  color: var(--cfts-chrome-accent-strong) !important;
  outline: 0;
  text-decoration: none;
}

.cfts-chrome-mode-link.is-active {
  background: #082536 !important;
  color: #f7fbfd !important;
}

html[data-theme="light"] .cfts-chrome-mode-link.is-active {
  background: var(--cfts-chrome-accent-soft) !important;
  color: var(--cfts-chrome-accent-strong) !important;
}

.cfts-chrome-icon-button,
.cfts-chrome-icon-button:visited {
  display: inline-grid !important;
  width: 34px !important;
  min-width: 34px !important;
  height: 30px !important;
  min-height: 30px !important;
  place-items: center !important;
  align-items: center !important;
  justify-content: center !important;
  margin: 0 !important;
  padding: 0 !important;
  border: 1px solid var(--cfts-chrome-line);
  border-radius: 7px;
  appearance: none;
  box-sizing: border-box;
  background: color-mix(in srgb, var(--cfts-chrome-surface-raised) 72%, transparent);
  color: var(--cfts-chrome-muted) !important;
  cursor: pointer;
  font: inherit;
  line-height: 1 !important;
  text-decoration: none;
  vertical-align: middle;
}

.cfts-chrome-icon-button:hover,
.cfts-chrome-icon-button:focus,
.cfts-chrome-icon-button:focus-visible,
.cfts-chrome-icon-button:active {
  background: color-mix(in srgb, var(--cfts-chrome-surface-raised) 72%, transparent) !important;
  border-color: color-mix(in srgb, var(--cfts-chrome-accent-warm) 45%, var(--cfts-chrome-line));
  box-shadow: none !important;
  color: var(--cfts-chrome-accent-warm) !important;
  outline: 0;
}

.cfts-chrome-theme-icon,
.cfts-chrome-utility-icon {
  display: block;
  flex: 0 0 auto;
  width: 17px;
  height: 17px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.9;
}

.cfts-contact-modal[hidden] {
  display: none !important;
}

.cfts-contact-modal {
  position: fixed;
  inset: 0;
  z-index: 110;
  display: grid;
  place-items: center;
  padding: 22px;
  background: rgba(0, 0, 0, 0.58);
}

.cfts-contact-modal__backdrop {
  position: absolute;
  inset: 0;
}

.cfts-contact-modal__panel {
  position: relative;
  z-index: 1;
  width: min(100%, 752px);
  max-height: min(900px, calc(100vh - 44px));
  overflow: visible;
  padding: 18px;
  border: 1px solid var(--cfts-chrome-line);
  border-radius: 8px;
  background: var(--cfts-chrome-surface);
  color: var(--cfts-chrome-text);
  box-shadow: 0 24px 80px rgb(0 0 0 / 45%);
}

.cfts-contact-modal__frame-wrap {
  width: 100%;
  height: min(545px, calc(100vh - 164px));
  overflow: hidden;
  border-radius: 7px;
}

.cfts-contact-modal__frame {
  display: block;
  width: 100%;
  height: calc(100% + 98px);
  margin: 0;
  border: 0;
  border-radius: 0;
  background: var(--cfts-chrome-surface);
  transform: translateY(-98px);
}

.cfts-contact-modal__actions {
  display: flex;
  justify-content: end;
  margin-top: 10px;
}

.cfts-contact-modal__close {
  min-height: 38px;
  padding: 0 18px;
  border: 1px solid var(--cfts-chrome-line);
  border-radius: 7px;
  background: var(--cfts-chrome-surface-raised);
  color: var(--cfts-chrome-text);
  cursor: pointer;
  font: 700 13px/1 var(--cfts-chrome-font);
}

.cfts-contact-modal__close:hover,
.cfts-contact-modal__close:focus-visible {
  border-color: color-mix(in srgb, var(--cfts-chrome-accent-warm) 45%, var(--cfts-chrome-line));
  color: var(--cfts-chrome-accent-warm);
  outline: 0;
}

.cfts-contact-modal-open {
  overflow: hidden;
}

.cfts-chrome-theme-sun {
  display: none;
}

html[data-theme="light"] .cfts-chrome-theme-sun {
  display: block;
}

html[data-theme="light"] .cfts-chrome-theme-moon {
  display: none;
}

.cfts-chrome-toggle {
  display: inline-grid;
  grid-template-columns: auto auto;
  gap: 8px;
  align-items: center;
  min-height: 30px;
  margin: 0 !important;
  color: var(--cfts-chrome-muted) !important;
  font-size: 13px;
  line-height: 1.2;
  cursor: pointer;
  user-select: none;
}

.cfts-chrome-toggle input {
  position: absolute;
  width: auto !important;
  max-width: none !important;
  opacity: 0;
  pointer-events: none;
}

.cfts-chrome-toggle-track {
  position: relative;
  width: 40px;
  height: 22px;
  border: 1px solid var(--cfts-chrome-line);
  border-radius: 999px;
  background: var(--cfts-chrome-surface-raised);
}

.cfts-chrome-toggle-thumb {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--cfts-chrome-accent);
  transition: transform 140ms ease;
}

.cfts-chrome-toggle input:checked + .cfts-chrome-toggle-track .cfts-chrome-toggle-thumb {
  transform: translateX(18px);
}

.cfts-chrome-toggle:hover,
.cfts-chrome-toggle:focus-within {
  color: var(--cfts-chrome-accent-warm);
}

.cfts-chrome-toggle:hover .cfts-chrome-toggle-track,
.cfts-chrome-toggle:focus-within .cfts-chrome-toggle-track {
  border-color: color-mix(in srgb, var(--cfts-chrome-accent-warm) 45%, var(--cfts-chrome-line));
}

.cfts-chrome-main {
  width: var(--cfts-chrome-page);
  max-width: none;
  margin: 0 auto;
  padding: 22px 0 36px;
}

.cfts-chrome-footer {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  gap: 18px;
  align-items: center;
  width: var(--cfts-chrome-page);
  max-width: none;
  margin: 0 auto;
  padding: 16px 0 24px;
  border-top: 1px solid var(--cfts-chrome-line);
  background: transparent;
  color: var(--cfts-chrome-muted);
  font-size: 12px;
  line-height: 1.5;
}

.cfts-chrome-footer span {
  min-width: 0;
  overflow-wrap: anywhere;
}

.cfts-chrome-footer span:nth-child(2) {
  justify-self: center;
}

.cfts-chrome-footer span:last-child {
  justify-self: end;
  text-align: right;
}

.flash-stack {
  display: grid;
  gap: 8px;
  margin: 0 0 18px;
}

.flash {
  margin: 0;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-raised, var(--surface-soft));
  color: var(--text);
}

.flash-error,
.flash-danger {
  border-color: var(--danger-line, #e5c2c2);
  color: var(--danger, #8f3f3f);
}

.flash-success {
  border-color: var(--success-line, #c8dfd1);
  color: var(--success, #3b7454);
}

@media (max-width: 700px) {
  :root {
    --cfts-chrome-page: min(100% - 32px, 1280px);
  }

  .cfts-chrome-header {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .cfts-chrome-brand,
  .cfts-chrome-brand:visited {
    justify-items: start;
    text-align: left;
  }

  .cfts-chrome-logo-pair {
    width: 188px;
    max-width: 70vw;
  }

  .cfts-chrome-service {
    justify-content: flex-start;
  }

  .cfts-chrome-nav {
    grid-template-columns: 1fr;
    margin-top: 0;
  }

  .cfts-chrome-nav-links,
  .cfts-chrome-controls {
    justify-self: start;
  }

  .cfts-chrome-footer {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .cfts-chrome-footer span,
  .cfts-chrome-footer span:nth-child(2),
  .cfts-chrome-footer span:last-child {
    justify-self: start;
    text-align: left;
  }
}

@media (max-width: 420px) {
  .cfts-chrome-nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: 100%;
  }

  .cfts-chrome-nav-links {
    display: contents;
  }

  .cfts-chrome-nav-link {
    width: 100%;
  }

  .cfts-chrome-controls {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    width: 100%;
  }

  .cfts-chrome-mode {
    grid-column: 1 / -1;
    justify-content: center;
  }

  .cfts-chrome-icon-button {
    width: 100% !important;
    height: 34px !important;
  }

  .cfts-chrome-toggle {
    grid-column: span 1;
    justify-content: center;
    min-height: 34px;
    padding: 6px;
    border: 1px solid var(--cfts-chrome-line);
    border-radius: 7px;
    background: color-mix(in srgb, var(--cfts-chrome-surface-raised) 72%, transparent);
  }
}

@supports not (background: color-mix(in srgb, black 50%, white)) {
  .cfts-chrome-nav-link,
  .cfts-chrome-mode,
  .cfts-chrome-icon-button {
    background: var(--cfts-chrome-surface-raised);
  }
}

/* Home icon link in shared chrome header. */
.cfts-chrome-home-link,
.cfts-chrome-home-link:visited {
  box-sizing: border-box;
  width: 34px;
  min-width: 34px;
  height: 30px;
  padding: 0;
  color: var(--cfts-chrome-muted) !important;
  text-decoration: none;
}

.cfts-chrome-home-link:hover,
.cfts-chrome-home-link:focus-visible {
  border-color: color-mix(in srgb, var(--cfts-chrome-accent-warm) 45%, var(--cfts-chrome-line));
  color: var(--cfts-chrome-accent-warm) !important;
  outline: 0;
  text-decoration: none;
}

.cfts-chrome-home-icon {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}