/* NO_VERDICT: source-only implementation draft. Supplied Superpowers, TDD,
   systematic-debugging and verification workflows read. No execution or
   behavioral RED/GREEN claimed. Parent must integrate, review and execute
   browser and regression tests, including 320px layout and keyboard checks. */

/* Roster boundaries only; shared navigation, board and calendar are untouched. */
:is(#tier-extra-controls:has(:is(.kr-controls, .kr-roster-heading)), #tier-extra-panel .kr-grid, #tier-extra-panel .kr-profile) {
  --kr-surface: #101925;
  --kr-border: #39485f;
  --kr-selected: #51465f;
  --kr-selected-border: #a99cc9;
  box-sizing: border-box;
  min-width: 0;
  max-width: 100%;
  color: #fff;
  font: inherit;
  line-height: 1.55;
  overflow-wrap: anywhere;
}
:is(#tier-extra-controls:has(:is(.kr-controls, .kr-roster-heading)), #tier-extra-panel .kr-grid, #tier-extra-panel .kr-profile) *,
:is(#tier-extra-controls:has(:is(.kr-controls, .kr-roster-heading)), #tier-extra-panel .kr-grid, #tier-extra-panel .kr-profile) *::before,
:is(#tier-extra-controls:has(:is(.kr-controls, .kr-roster-heading)), #tier-extra-panel .kr-grid, #tier-extra-panel .kr-profile) *::after {
  box-sizing: border-box;
}
#tier-extra-controls:has(:is(.kr-controls, .kr-roster-heading)) .kr-image,
#tier-extra-panel :is(.kr-grid, .kr-profile) .kr-image {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: contain;
}

/* The longer boundary wins the accepted stylesheet's shared control rules. */
:is(#tier-extra-controls:has(:is(.kr-controls, .kr-roster-heading)), html body #field-board-view .tier-controls #tier-extra-controls:has(:is(.kr-controls, .kr-roster-heading))) {
  display: flex;
  flex-direction: column;
  gap: 14px;
  width: 100%;
}
:is(#tier-extra-controls:has(:is(.kr-controls, .kr-roster-heading)), html body #field-board-view .tier-controls #tier-extra-controls:has(:is(.kr-controls, .kr-roster-heading))) .kr-roster-heading {
  position: static;
  display: block;
  width: auto;
  height: auto;
  min-width: 0;
  min-height: 0;
  margin: 0;
  padding: 0 0 12px;
  overflow: visible;
  clip: auto;
  clip-path: none;
  border: 0;
  border-bottom: 1px solid #39485f;
  border-radius: 0;
  background: none;
  box-shadow: none;
  white-space: normal;
}
#tier-extra-controls:has(:is(.kr-controls, .kr-roster-heading)) .kr-roster-heading .eyebrow {
  margin: 0 0 4px;
  color: #fff;
  font-size: 12px;
  font-weight: 750;
  letter-spacing: .1em;
}
#tier-extra-controls:has(:is(.kr-controls, .kr-roster-heading)) .kr-roster-heading h1 {
  margin: 0;
  color: #fff;
  font-size: clamp(23px, 3vw, 30px);
  line-height: 1.25;
  overflow-wrap: anywhere;
}
#tier-extra-controls:has(:is(.kr-controls, .kr-roster-heading)) .kr-controls {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  width: 100%;
  min-width: 0;
  gap: 8px;
}
:is(#tier-extra-controls:has(:is(.kr-controls, .kr-roster-heading)), html body #field-board-view .tier-controls #tier-extra-controls:has(:is(.kr-controls, .kr-roster-heading))) .kr-controls .search-label {
  display: flex;
  flex: 0 1 auto;
  flex-direction: column;
  order: 0;
  gap: 6px;
  width: 100%;
  min-width: 0;
  max-width: none;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: none;
  box-shadow: none;
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: normal;
  text-transform: none;
}
:is(#tier-extra-controls:has(:is(.kr-controls, .kr-roster-heading)), html body #field-board-view .tier-controls #tier-extra-controls:has(:is(.kr-controls, .kr-roster-heading))) .kr-controls .search-label::before {
  content: none;
}
:is(#tier-extra-controls:has(:is(.kr-controls, .kr-roster-heading)), html body #field-board-view .tier-controls #tier-extra-controls:has(:is(.kr-controls, .kr-roster-heading))) .kr-controls .ku-search-field {
  position: relative;
  display: block;
  width: 100%;
  min-width: 0;
  margin: 0;
}
:is(#tier-extra-controls:has(:is(.kr-controls, .kr-roster-heading)), html body #field-board-view .tier-controls #tier-extra-controls:has(:is(.kr-controls, .kr-roster-heading))) .kr-controls .search-label .ku-search-field input {
  display: block;
  width: 100%;
  min-width: 0;
  max-width: 100%;
  height: auto;
  min-height: 44px;
  margin: 0;
  padding: 10px 12px;
  border: 1px solid #586278;
  border-radius: 10px;
  background: #090f1b;
  color: #fff !important;
  -webkit-text-fill-color: #fff;
  box-shadow: inset 0 2px 5px #0005;
  font: inherit;
  font-size: 16px;
  line-height: 1.4;
  letter-spacing: normal;
  text-transform: none;
}
#tier-extra-controls:has(:is(.kr-controls, .kr-roster-heading)) .kr-controls input::placeholder {
  color: #fff;
  -webkit-text-fill-color: #fff;
  opacity: 1;
}
:is(#tier-extra-controls:has(:is(.kr-controls, .kr-roster-heading)), html body #field-board-view .tier-controls #tier-extra-controls:has(:is(.kr-controls, .kr-roster-heading))) .tier-mode-filters.kr-filters {
  display: grid;
  grid-template-columns: 104px minmax(0, 1fr);
  align-items: start;
  order: 0;
  flex: 0 1 auto;
  gap: 8px 12px;
  width: 100%;
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: none;
  box-shadow: none;
}
#tier-extra-controls:has(:is(.kr-controls, .kr-roster-heading)) .kr-filter-label {
  display: block;
  min-width: 0;
  padding: 11px 0;
  color: #fff;
  font-size: 14px;
  font-weight: 750;
  line-height: 1.5;
  white-space: normal;
  overflow-wrap: anywhere;
}
#tier-extra-controls:has(:is(.kr-controls, .kr-roster-heading)) .kr-filter-options {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  gap: 8px;
  min-width: 0;
  max-width: 100%;
}
:is(#tier-extra-controls:has(:is(.kr-controls, .kr-roster-heading)), html body #field-board-view .tier-controls #tier-extra-controls:has(:is(.kr-controls, .kr-roster-heading))) .kr-filters .kr-filter-options .kr-filter-button {
  display: inline-flex;
  flex: 0 1 auto;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-width: 44px;
  min-height: 44px;
  max-width: 100%;
  margin: 0;
  padding: 9px 13px;
  border: 1px solid #536078 !important;
  border-radius: 10px;
  background: linear-gradient(180deg, #1b2538, #101725) !important;
  color: #fff !important;
  -webkit-text-fill-color: #fff;
  box-shadow: inset 0 1px 0 #ffffff14, 0 2px 4px #0005 !important;
  text-shadow: none !important;
  font: inherit;
  font-size: 14px;
  font-weight: 650;
  line-height: 1.4;
  text-align: center;
  white-space: normal;
  overflow-wrap: anywhere;
  cursor: pointer;
  animation: none !important;
  transition: border-color .15s ease, box-shadow .15s ease;
}

/* Catalogue: nested portrait and copy match the renderer, not direct images. */
#tier-extra-panel .kr-count {
  min-width: 0;
  margin: 14px 0 10px;
  color: #fff;
  font-size: 14px;
  line-height: 1.5;
  overflow-wrap: anywhere;
}
#tier-extra-panel .kr-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 164px), 1fr));
  align-items: stretch;
  gap: 12px;
  padding: 16px;
  border: 1px solid #30415b;
  border-radius: 16px;
  background: linear-gradient(120deg, #142139e8, #0c1424ed);
  box-shadow: inset 0 1px 0 #ffffff08, 0 12px 28px #0004;
}
#tier-extra-panel .kr-grid > .kr-roster-card {
  --kr-card-accent: #7892b7;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  gap: 12px;
  width: 100%;
  min-width: 0;
  min-height: 44px;
  margin: 0;
  padding: 16px 12px;
  border: 1px solid var(--kr-card-accent);
  border-radius: 12px;
  background: radial-gradient(ellipse at 50% 0%, #48628d24, transparent 72%), linear-gradient(155deg, #17253d, #0b1424 80%);
  color: #fff;
  font: inherit;
  text-align: center;
  text-decoration: none;
  white-space: normal;
  overflow-wrap: anywhere;
  box-shadow: inset 0 1px 0 #ffffff0d, 0 4px 10px #0005;
  cursor: pointer;
  transition: border-color .15s ease, box-shadow .15s ease;
}
#tier-extra-panel .kr-roster-card[data-rarity='legendary'] { --kr-card-accent: #ab8c51; }
#tier-extra-panel .kr-roster-card[data-rarity='epic'] { --kr-card-accent: #9680b7; }
#tier-extra-panel .kr-roster-card[data-rarity='elite'] { --kr-card-accent: #638fbc; }
#tier-extra-panel .kr-roster-card[data-rarity='advanced'] { --kr-card-accent: #5f9e88; }
#tier-extra-panel .kr-roster-card .kr-card-portrait {
  display: block;
  flex: none;
  width: 104px;
  height: 104px;
  max-width: 100%;
  border: 1px solid #596a85;
  border-radius: 14px;
  background: #0b1424;
  box-shadow: 0 6px 14px #0005;
}
#tier-extra-panel .kr-card-portrait .kr-image { border-radius: 13px; }
#tier-extra-panel .kr-roster-card .kr-card-copy {
  display: grid;
  gap: 5px;
  width: 100%;
  min-width: 0;
  color: #fff;
}
#tier-extra-panel .kr-card-copy :is(.kr-name, .kr-title) {
  display: block;
  min-width: 0;
  margin: 0;
  color: #fff;
  white-space: normal;
  overflow-wrap: anywhere;
  word-break: normal;
}
#tier-extra-panel .kr-card-copy .kr-card-name {
  font-size: 17px;
  font-weight: 750;
  line-height: 1.35;
}
#tier-extra-panel .kr-card-copy .kr-card-title {
  font-size: 13px;
  font-weight: 500;
  line-height: 1.5;
}
#tier-extra-panel .kr-grid .kr-empty {
  grid-column: 1 / -1;
  min-width: 0;
  margin: 0;
  padding: 24px 12px;
  color: #fff;
  text-align: center;
  overflow-wrap: anywhere;
}

/* Compact profile header, followed by skills and header-adjacent metadata. */
#tier-extra-panel .kr-profile {
  padding: 20px;
  border: 1px solid #39485f;
  border-radius: 16px;
  background: linear-gradient(120deg, #142139f2, #0c1424f5);
  box-shadow: inset 0 1px 0 #ffffff0d, 0 12px 28px #0004;
  scroll-margin-top: 110px;
}
#tier-extra-panel .kr-profile :is(.kr-back, .kr-retry, .kr-partner) {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-width: 44px;
  min-height: 44px;
  max-width: 100%;
  margin: 0;
  padding: 9px 14px;
  border: 1px solid #69758e;
  border-radius: 10px;
  background: linear-gradient(180deg, #243148, #131e30);
  color: #fff;
  -webkit-text-fill-color: #fff;
  font: inherit;
  font-weight: 650;
  line-height: 1.4;
  text-align: center;
  white-space: normal;
  overflow-wrap: anywhere;
  text-decoration: none;
  box-shadow: inset 0 1px 0 #ffffff18, 0 2px 5px #0004;
  cursor: pointer;
  transition: border-color .15s ease, box-shadow .15s ease;
}
#tier-extra-panel .kr-profile .kr-profile-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  min-width: 0;
  margin: 16px 0;
  padding: 0 0 16px;
  border-bottom: 1px solid #39485f;
}
#tier-extra-panel .kr-profile .kr-profile-portrait {
  display: block;
  flex: 0 0 96px;
  width: 96px;
  height: 96px;
  max-width: 100%;
  border: 1px solid #6c7892;
  border-radius: 14px;
  background: #0b1424;
}
#tier-extra-panel .kr-profile-portrait .kr-image { border-radius: 13px; }
#tier-extra-panel .kr-profile .kr-profile-introduction {
  flex: 1 1 180px;
  min-width: 0;
}
#tier-extra-panel .kr-profile .kr-profile-name {
  margin: 0;
  color: #fff;
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 800;
  line-height: 1.2;
  white-space: normal;
  overflow-wrap: anywhere;
}
#tier-extra-panel .kr-profile :is(.kr-profile-title, .kr-source-name) {
  margin: 6px 0 0;
  color: #fff;
  font-size: 14px;
  line-height: 1.5;
  white-space: normal;
  overflow-wrap: anywhere;
}
#tier-extra-panel .kr-profile .kr-source-name { font-size: 13px; }
#tier-extra-panel .kr-profile .kr-profile-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(240px, 310px);
  align-items: start;
  gap: 20px;
  min-width: 0;
}
#tier-extra-panel .kr-profile :is(.kr-skills, .kr-aside, .kr-skill-body) {
  min-width: 0;
  max-width: 100%;
  color: #fff;
}
#tier-extra-panel .kr-profile :is(h2, h3, h4) {
  margin: 0 0 10px;
  color: #fff;
  line-height: 1.35;
  white-space: normal;
  overflow-wrap: anywhere;
}
#tier-extra-panel .kr-profile h2 { font-size: 18px; }
#tier-extra-panel .kr-profile h3 { font-size: 21px; }
#tier-extra-panel .kr-profile h4 { font-size: 15px; }
#tier-extra-panel .kr-profile .kr-language {
  margin: 0 0 12px;
  color: #fff;
  font-size: 13px;
  overflow-wrap: anywhere;
}

/* Five compact selectable icons; the full selected name is in the reader. */
#tier-extra-panel .kr-profile .kr-skill-options {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-start;
  gap: 8px;
  min-width: 0;
  margin: 0 0 14px;
  padding: 0;
  counter-reset: kr-skill;
}
#tier-extra-panel .kr-profile .kr-skill-button {
  counter-increment: kr-skill;
  position: relative;
  display: inline-flex;
  flex: 0 0 48px;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  min-width: 48px;
  min-height: 48px;
  max-width: 48px;
  margin: 0;
  padding: 1px;
  border: 1px solid #65738e;
  border-radius: 10px;
  background: #111c2e;
  color: #fff;
  font: inherit;
  cursor: pointer;
  box-shadow: inset 0 1px 0 #ffffff14, 0 2px 5px #0005;
  transition: border-color .15s ease, box-shadow .15s ease;
}
#tier-extra-panel .kr-profile .kr-skill-icon {
  display: block;
  flex: none;
  width: 44px;
  height: 44px;
  min-width: 0;
  border-radius: 8px;
  background: #0b1321;
}
#tier-extra-panel .kr-skill-icon .kr-image { border-radius: 8px; }
#tier-extra-panel .kr-profile .kr-skill-icon .kr-fact {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  clip-path: inset(50%);
  border: 0;
  white-space: nowrap;
}
#tier-extra-panel .kr-profile .kr-skill-button:has(.kr-skill-icon .kr-fact)::after {
  content: counter(kr-skill);
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 16px;
  font-weight: 700;
}
html body #field-board-view .tier-controls #tier-extra-controls:has(.kr-roster-heading) .kr-filter-options button .kr-troop-icon {
  display: inline-block;
  flex: none;
  width: 26px;
  height: 26px;
  object-fit: contain;
}
#tier-extra-panel .kr-profile .kr-skill-button-name {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  clip-path: inset(50%);
  border: 0;
  white-space: nowrap;
}
#tier-extra-panel .kr-profile .kr-skill-current {
  display: block;
  min-width: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}
#tier-extra-panel .kr-profile .kr-skill-current > .kr-skill {
  display: block;
  width: 100%;
  min-width: 0;
  height: auto;
  max-height: none;
  margin: 0;
  padding: 16px;
  border: 1px solid #39485f;
  border-radius: 12px;
  background: #0d1728;
  color: #fff;
  overflow: visible;
}
#tier-extra-panel .kr-profile .kr-skill-body {
  display: block;
  height: auto;
  max-height: none;
  overflow: visible;
}
#tier-extra-panel .kr-profile .kr-skill-name { margin-bottom: 5px; }
#tier-extra-panel .kr-profile .kr-skill-kind {
  display: block;
  width: fit-content;
  max-width: 100%;
  margin: 0 0 14px;
  padding: 3px 8px;
  border: 1px solid #655977;
  border-radius: 6px;
  background: #292339;
  color: #fff;
  font-size: 13px;
  font-weight: 650;
  line-height: 1.5;
  white-space: normal;
  overflow-wrap: anywhere;
}
#tier-extra-panel .kr-profile .kr-skill-text {
  display: block;
  min-width: 0;
  max-width: 100%;
  height: auto;
  max-height: none;
  margin: 0 0 12px;
  color: #fff;
  font-size: 15px;
  line-height: 1.7;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  word-break: normal;
  overflow: visible;
  text-overflow: clip;
  -webkit-line-clamp: unset;
  line-clamp: none;
}
#tier-extra-panel .kr-profile .kr-skill-text:last-child { margin-bottom: 0; }
#tier-extra-panel .kr-profile .kr-factblock {
  display: block;
  min-width: 0;
  height: auto;
  max-height: none;
  margin: 12px 0 0;
  padding: 12px;
  border: 1px solid #34465f;
  border-left: 3px solid #a99cc9;
  border-radius: 9px;
  background: #152238;
  color: #fff;
  overflow: visible;
  overflow-wrap: anywhere;
}
#tier-extra-panel .kr-profile .kr-factblock h4 { margin-bottom: 8px; }

#tier-extra-panel .kr-profile .kr-aside {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
  gap: 14px;
}
#tier-extra-panel .kr-profile .kr-aside > section {
  min-width: 0;
  margin: 0;
  padding: 14px;
  border: 1px solid #39485f;
  border-radius: 12px;
  background: #0e192b;
  color: #fff;
  overflow-wrap: anywhere;
}
#tier-extra-panel .kr-profile .kr-metadata-fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 12px;
  min-width: 0;
}
#tier-extra-panel .kr-profile .kr-fact {
  min-width: 0;
  margin: 0 0 7px;
  color: #fff;
  font-size: 14px;
  line-height: 1.55;
  white-space: normal;
  overflow-wrap: anywhere;
}
#tier-extra-panel .kr-profile .kr-metadata-fields .kr-fact,
#tier-extra-panel .kr-profile .kr-fact:last-child { margin-bottom: 0; }
#tier-extra-panel .kr-profile .kr-links > p {
  margin: 0;
  color: #fff;
  overflow-wrap: anywhere;
}
#tier-extra-panel .kr-profile .kr-link {
  min-width: 0;
  padding: 12px 0;
  border-top: 1px solid #34445b;
}
#tier-extra-panel .kr-profile .kr-link:last-child { padding-bottom: 0; }
#tier-extra-panel .kr-profile .kr-pairs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  min-width: 0;
  margin-top: 10px;
}
#tier-extra-panel .kr-profile .kr-pairs .kr-partner {
  flex: 1 1 180px;
  justify-content: flex-start;
  min-width: 0;
  width: 100%;
  padding: 7px 10px;
  text-align: left;
}
#tier-extra-panel .kr-profile .kr-partner-portrait {
  display: block;
  flex: 0 0 44px;
  width: 44px;
  height: 44px;
  border: 1px solid #71809a;
  border-radius: 8px;
  background: #0a1220;
}
#tier-extra-panel .kr-partner-portrait .kr-image { border-radius: 7px; }
#tier-extra-panel .kr-profile .kr-partner-name {
  display: block;
  flex: 1 1 0;
  min-width: 0;
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.4;
  white-space: normal;
  overflow-wrap: anywhere;
}
#tier-extra-panel .kr-profile :is(.kr-unavailable, .kr-status, .kr-error) {
  min-width: 0;
  margin: 14px 0;
  color: #fff;
  white-space: normal;
  overflow-wrap: anywhere;
}
#tier-extra-panel .kr-profile .kr-error {
  padding: 12px;
  border: 1px solid #bd7d8b;
  border-radius: 10px;
  background: #33202c;
}

@media (hover: hover) {
  :is(#tier-extra-controls:has(:is(.kr-controls, .kr-roster-heading)), html body #field-board-view .tier-controls #tier-extra-controls:has(:is(.kr-controls, .kr-roster-heading))) .kr-filters .kr-filter-options .kr-filter-button:hover {
    border-color: #a99cc9 !important;
    background: #30303d !important;
    color: #fff !important;
    box-shadow: inset 0 1px 0 #ffffff26, 0 0 10px #69a5b526 !important;
  }
  #tier-extra-panel .kr-grid > .kr-roster-card:hover {
    border-color: #d5cde6;
    box-shadow: inset 0 1px 0 #ffffff1a, 0 6px 16px #0006;
  }
  #tier-extra-panel .kr-profile :is(.kr-back, .kr-retry, .kr-partner, .kr-skill-button):hover {
    border-color: #a99cc9;
    box-shadow: inset 0 1px 0 #ffffff26, 0 0 10px #69a5b526;
  }
}
/* Exact selected tokens survive all shared important declarations and states. */
:is(#tier-extra-controls:has(:is(.kr-controls, .kr-roster-heading)), html body #field-board-view .tier-controls #tier-extra-controls:has(:is(.kr-controls, .kr-roster-heading))) .kr-filters .kr-filter-options .kr-filter-button[aria-pressed='true'],
:is(#tier-extra-controls:has(:is(.kr-controls, .kr-roster-heading)), html body #field-board-view .tier-controls #tier-extra-controls:has(:is(.kr-controls, .kr-roster-heading))) .kr-filters .kr-filter-options .kr-filter-button[aria-pressed='true']:is(:hover, :focus, :active),
#tier-extra-panel .kr-profile .kr-skill-button[aria-pressed='true'],
#tier-extra-panel .kr-profile .kr-skill-button[aria-pressed='true']:is(:hover, :focus, :active) {
  background: #51465f !important;
  background-image: none !important;
  border-color: #a99cc9 !important;
  color: #fff !important;
  -webkit-text-fill-color: #fff;
  box-shadow: inset 0 1px 0 #ffffff26, 0 2px 5px #0005 !important;
  text-shadow: none !important;
}
:is(#tier-extra-controls:has(:is(.kr-controls, .kr-roster-heading)), html body #field-board-view .tier-controls #tier-extra-controls:has(:is(.kr-controls, .kr-roster-heading))) :is(button, input):focus-visible,
#tier-extra-panel .kr-grid .kr-roster-card:focus-visible,
#tier-extra-panel .kr-profile :is(button, a, [tabindex]):focus-visible {
  outline: 2px solid #eee7ff !important;
  outline-offset: 3px;
}

@media (max-width: 900px) {
  #tier-extra-panel .kr-profile .kr-profile-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 18px;
  }
  #tier-extra-panel .kr-profile .kr-aside {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  #tier-extra-panel .kr-profile .kr-aside .kr-metadata { grid-column: 1 / -1; }
  #tier-extra-panel .kr-profile .kr-metadata-fields {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
@media (max-width: 600px) {
  :is(#tier-extra-controls:has(:is(.kr-controls, .kr-roster-heading)), html body #field-board-view .tier-controls #tier-extra-controls:has(:is(.kr-controls, .kr-roster-heading))) { gap: 12px; }
  :is(#tier-extra-controls:has(:is(.kr-controls, .kr-roster-heading)), html body #field-board-view .tier-controls #tier-extra-controls:has(:is(.kr-controls, .kr-roster-heading))) .tier-mode-filters.kr-filters {
    grid-template-columns: minmax(0, 1fr);
    gap: 6px;
  }
  #tier-extra-controls:has(:is(.kr-controls, .kr-roster-heading)) .kr-filter-label { padding: 0; }
  #tier-extra-controls:has(:is(.kr-controls, .kr-roster-heading)) .kr-filter-options { gap: 6px; }
  :is(#tier-extra-controls:has(:is(.kr-controls, .kr-roster-heading)), html body #field-board-view .tier-controls #tier-extra-controls:has(:is(.kr-controls, .kr-roster-heading))) .kr-filters .kr-filter-options .kr-filter-button {
    flex: 1 1 104px;
    padding: 9px 10px;
  }
  #tier-extra-panel .kr-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    padding: 10px;
  }
  #tier-extra-panel .kr-grid > .kr-roster-card { padding: 12px 8px; gap: 10px; }
  #tier-extra-panel .kr-roster-card .kr-card-portrait { width: 96px; height: 96px; }
  #tier-extra-panel .kr-card-copy .kr-card-name { font-size: 16px; }
  #tier-extra-panel .kr-profile { padding: 12px; }
  #tier-extra-panel .kr-profile .kr-profile-header { gap: 12px; margin: 14px 0; padding-bottom: 14px; }
  #tier-extra-panel .kr-profile .kr-profile-introduction { flex-basis: 132px; }
  #tier-extra-panel .kr-profile .kr-profile-portrait { flex-basis: 80px; width: 80px; height: 80px; }
  #tier-extra-panel .kr-profile .kr-skill-options { gap: 6px; }
  #tier-extra-panel .kr-profile .kr-skill-current > .kr-skill { padding: 12px; }
  #tier-extra-panel .kr-profile .kr-factblock { padding: 10px; }
  #tier-extra-panel .kr-profile .kr-aside { grid-template-columns: minmax(0, 1fr); gap: 12px; }
  #tier-extra-panel .kr-profile .kr-metadata-fields { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* Preserve the original shared mode navigation in every mode. */
@media (min-width: 701px) {
  html body #field-board-view .tier-controls #tier-mode-nav {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}
@media (max-width: 700px) {
  html body #field-board-view .tier-controls #tier-mode-nav button[data-tier-mode="roster"] {
    grid-column: 1 / -1;
  }
}

/* Never let a layout display declaration reveal renderer-hidden content. */
#tier-extra-controls[hidden],
#tier-extra-panel[hidden],
#tier-extra-controls [hidden],
#tier-extra-panel [hidden] {
  display: none !important;
}
@media (prefers-reduced-motion: reduce) {
  #tier-extra-controls:has(:is(.kr-controls, .kr-roster-heading)),
  #tier-extra-controls:has(:is(.kr-controls, .kr-roster-heading)) *,
  #tier-extra-controls:has(:is(.kr-controls, .kr-roster-heading)) *::before,
  #tier-extra-controls:has(:is(.kr-controls, .kr-roster-heading)) *::after,
  #tier-extra-panel :is(.kr-grid, .kr-profile),
  #tier-extra-panel :is(.kr-grid, .kr-profile) *,
  #tier-extra-panel :is(.kr-grid, .kr-profile) *::before,
  #tier-extra-panel :is(.kr-grid, .kr-profile) *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}