/* KUDEN quiz components. Mobile first (360-430 px), the same column centred on desktop.
   Naming: .k-<component>, .k-<component>__<part>, .k-<component>--<variant>, state classes .is-*. */

/* ================================================================ icons */
.k-ic { width: 24px; height: 24px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round; }
.k-ic--sm { width: 18px; height: 18px; }
.k-ic--lg { width: 32px; height: 32px; }
.k-mark { width: 40px; height: 40px; overflow: visible; }
.k-mark__blades path { fill: var(--ink); }
.k-mark__core { fill: var(--core); filter: drop-shadow(0 0 14px rgb(var(--core-rgb) / 0.9)); }

/* ================================================================ app shell */
.k-app {
  position: relative; width: min(100%, var(--col)); margin: 0 auto;
  min-height: 100vh; min-height: 100dvh; display: flex; flex-direction: column;
  padding: 0 var(--pad);
}
.k-head {
  position: sticky; top: 0; z-index: 30;
  margin: 0 calc(-1 * var(--pad)); padding: max(8px, env(safe-area-inset-top)) var(--pad) 0;
  background: linear-gradient(rgb(var(--bg-rgb) / 0.94), rgb(var(--bg-rgb) / 0.86));
  backdrop-filter: blur(18px) saturate(1.25); -webkit-backdrop-filter: blur(18px) saturate(1.25);
}
.k-head__row { display: grid; grid-template-columns: 48px 1fr 48px; align-items: center; height: 48px; }
.k-back {
  width: 44px; height: 44px; display: grid; place-items: center; padding: 0; margin-left: -4px;
  border: 0; border-radius: 50%; background: var(--surface); color: var(--ink);
  transition: background var(--d-fast), transform var(--d-fast) var(--ease), opacity var(--d) var(--ease);
}
.k-back .k-ic { width: 22px; height: 22px; stroke-width: 2; }
.k-back:active { transform: scale(0.92); }
.k-back.is-hidden { opacity: 0; pointer-events: none; transform: translateX(-6px); }
@media (hover: hover) { .k-back:hover { background: var(--surface-2); } }
.k-logo { justify-self: center; display: block; line-height: 0; }
.k-logo img { width: 112px; height: auto; }
.k-count { justify-self: end; font-size: 14px; color: var(--mute); font-variant-numeric: tabular-nums; white-space: nowrap; transition: opacity var(--d); }
.k-count b { color: var(--ink); font-weight: 600; }
.k-count.is-hidden { opacity: 0; }

/* ---------------------------------------------------------------- progress */
.k-progress { display: flex; gap: 5px; height: 4px; margin: 10px 0 0; transition: opacity var(--d); }
.k-progress.is-hidden { opacity: 0; }
.k-progress i { position: relative; flex: 1; border-radius: 4px; background: var(--surface-3); overflow: hidden; }
.k-progress i::after {
  content: ""; position: absolute; inset: 0; border-radius: inherit;
  background: linear-gradient(90deg, var(--core) 0%, var(--core-hi) 100%);
  transform: scaleX(var(--p, 0)); transform-origin: left center;
  transition: transform 700ms var(--ease-out);
}
.k-progress i.is-head::after { box-shadow: 0 0 10px 1px rgb(var(--core-rgb) / 0.9); }
.k-head__line { height: 12px; }

/* ---------------------------------------------------------------- stage + step */
.k-stage { position: relative; flex: 1; display: flex; flex-direction: column; }
.k-step {
  flex: 1; display: flex; flex-direction: column;
  padding: clamp(20px, 5vh, 40px) 0 0;
  view-transition-name: k-step;
}
.k-step:focus { outline: none; }
.k-q-title { font: 800 var(--t-q)/1.12 var(--f-display); letter-spacing: -0.03em; text-wrap: balance; }
.k-q-title:focus { outline: none; }
.k-q-sub { margin-top: 12px; font-size: 16.5px; line-height: 1.5; color: var(--ink-2); text-wrap: pretty; max-width: 34em; }
.k-q-help { margin-top: 10px; font-size: 14px; color: var(--mute); }

/* ---------------------------------------------------------------- options */
.k-options { display: grid; gap: 10px; margin-top: 26px; }
.k-options--grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
.k-opt {
  position: relative; display: flex; align-items: center; gap: 14px; width: 100%;
  min-height: 64px; padding: 11px 14px 11px 12px;
  border: 1px solid var(--line-2); border-radius: var(--r); background: var(--surface);
  color: var(--ink); text-align: left; -webkit-user-select: none; user-select: none;
  transition: border-color var(--d-fast), background-color var(--d-fast), box-shadow var(--d) var(--ease), transform var(--d-fast) var(--ease), opacity var(--d) var(--ease);
}
.k-opt--noicon { padding-left: 18px; }
.k-opt:active { transform: scale(0.985); }
@media (hover: hover) { .k-opt:hover { border-color: var(--line-3); background: var(--surface-2); } }
.k-opt:focus-visible { outline: none; border-color: var(--core-hi); box-shadow: 0 0 0 3px rgb(var(--core-rgb) / 0.35); }
.k-opt__ic {
  width: 42px; height: 42px; flex: none; display: grid; place-items: center;
  border-radius: 12px; background: var(--surface-2); color: var(--ink-2);
  transition: background var(--d) var(--ease), color var(--d), transform var(--d) var(--spring);
}
.k-opt__ic .k-ic { width: 22px; height: 22px; }
.k-opt__body { flex: 1; min-width: 0; }
.k-opt__label { display: block; font-size: 16.5px; font-weight: 600; line-height: 1.3; letter-spacing: -0.005em; }
.k-opt__hint { display: block; margin-top: 3px; font-size: 14px; line-height: 1.35; color: var(--mute); }
.k-opt__key {
  display: none; min-width: 22px; height: 22px; padding: 0 6px; place-items: center; flex: none;
  border: 1px solid var(--line-2); border-radius: 6px; font-size: 12px; font-weight: 600; color: var(--faint);
}
@media (hover: hover) and (pointer: fine) { .k-opt__key { display: inline-grid; } }
.k-opt__mark {
  width: 24px; height: 24px; flex: none; display: grid; place-items: center;
  border: 1.5px solid var(--line-3); border-radius: 50%;
  transition: background var(--d-fast), border-color var(--d-fast), transform var(--d) var(--spring);
}
.k-opt--multi .k-opt__mark { border-radius: 7px; }
.k-opt__mark .k-ic { width: 15px; height: 15px; stroke: #fff; stroke-width: 3; stroke-dasharray: 22; stroke-dashoffset: 22; transition: stroke-dashoffset 320ms var(--ease-out) 60ms; }
.k-opt[aria-pressed="true"], .k-opt[aria-checked="true"] {
  border-color: var(--core); background: rgb(var(--core-rgb) / 0.13);
  box-shadow: inset 0 0 0 1px var(--core), 0 14px 34px -20px rgb(var(--core-rgb) / 0.95);
}
.k-opt[aria-pressed="true"] .k-opt__mark, .k-opt[aria-checked="true"] .k-opt__mark { background: var(--core); border-color: var(--core); transform: scale(1.06); }
.k-opt[aria-pressed="true"] .k-opt__mark .k-ic, .k-opt[aria-checked="true"] .k-opt__mark .k-ic { stroke-dashoffset: 0; }
.k-opt[aria-pressed="true"] .k-opt__ic, .k-opt[aria-checked="true"] .k-opt__ic { background: var(--core-fill); color: #fff; transform: scale(1.04); }
.k-opt[aria-pressed="true"] .k-opt__key, .k-opt[aria-checked="true"] .k-opt__key { border-color: rgb(var(--core-rgb) / 0.6); color: var(--core-hi); }
.k-opt.is-picked::after {
  content: ""; position: absolute; inset: -1px; border-radius: inherit; pointer-events: none;
  animation: k-pick 620ms var(--ease-out) both;
}
.k-options.is-locked .k-opt:not([aria-pressed="true"]):not([aria-checked="true"]) { opacity: 0.36; }
.k-options.is-locked .k-opt { pointer-events: none; }
/* grid tiles: two columns of compact tiles (obor with icons, ranges without). Label and check are vertically
   centred; a lone last tile ("Nevím") takes the whole row. Keyboard keys still work, the hint is hidden here. */
.k-options--grid { gap: 8px; }
.k-options--grid .k-opt { gap: 10px; min-height: 64px; padding: 10px 38px 10px 10px; }
.k-options--grid .k-opt__ic { width: 38px; height: 38px; border-radius: 11px; }
.k-options--grid .k-opt__ic .k-ic { width: 20px; height: 20px; }
.k-options--grid .k-opt__label { font-size: 15px; line-height: 1.25; letter-spacing: -0.01em; }
.k-options--grid .k-opt__hint { font-size: 13px; margin-top: 2px; }
.k-options--grid .k-opt__mark { position: absolute; top: 50%; right: 10px; width: 20px; height: 20px; margin-top: -10px; }
.k-options--grid .k-opt__mark .k-ic { width: 12px; height: 12px; }
.k-options--grid .k-opt__key { display: none !important; }
.k-options--grid .k-opt--noicon { padding-left: 16px; }
.k-options--grid .k-opt--noicon .k-opt__label { font: 700 16.5px/1.25 var(--f-display); letter-spacing: -0.015em; }
.k-options--grid .k-opt:last-child:nth-child(odd) { grid-column: 1 / -1; }
@media (max-width: 370px) {
  .k-options--grid .k-opt { padding-right: 32px; gap: 8px; }
  .k-options--grid .k-opt__ic { width: 34px; height: 34px; }
  .k-options--grid .k-opt__label { font-size: 14.5px; }
  .k-options--grid .k-opt--noicon .k-opt__label { font-size: 15.5px; }
  .k-options--grid .k-opt__mark { right: 8px; }
}

@keyframes k-pick { from { box-shadow: 0 0 0 0 rgb(var(--core-rgb) / 0.55); } to { box-shadow: 0 0 0 12px rgb(var(--core-rgb) / 0); } }

/* ---------------------------------------------------------------- dock (bottom CTA) */
.k-dock {
  position: sticky; bottom: 0; z-index: 10;
  margin: auto calc(-1 * var(--pad)) 0; padding: 22px var(--pad) max(16px, env(safe-area-inset-bottom));
  background: linear-gradient(to top, var(--bg) 62%, rgb(var(--bg-rgb) / 0));
  display: grid; gap: 10px;
}
.k-dock__note { text-align: center; font-size: 13.5px; color: var(--mute); }
.k-spacer { flex: 1; min-height: 24px; }

/* ================================================================ buttons */
.k-btn {
  position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 56px; padding: 0 24px; border: 0; border-radius: var(--r);
  font: 600 17px/1.15 var(--f-text); letter-spacing: -0.005em; text-decoration: none; text-align: center;
  isolation: isolate; overflow: hidden;
  transition: transform var(--d-fast) var(--ease), box-shadow var(--d) var(--ease), background var(--d-fast), color var(--d-fast), opacity var(--d-fast), filter var(--d-fast);
}
.k-btn .k-ic { width: 20px; height: 20px; stroke-width: 2; transition: transform var(--d) var(--ease); }
.k-btn:active { transform: scale(0.98); }
.k-btn--block { display: flex; width: 100%; }
.k-btn--primary { background: var(--core-fill); color: #fff; box-shadow: var(--core-glow); }
.k-btn--primary::before {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background: linear-gradient(180deg, rgb(255 255 255 / 0.2), rgb(255 255 255 / 0) 55%);
}
/* a quiet sheen that passes once when the button becomes enabled */
.k-btn--primary::after {
  content: ""; position: absolute; top: 0; bottom: 0; left: -40%; width: 30%; z-index: -1; pointer-events: none;
  background: linear-gradient(100deg, transparent, rgb(255 255 255 / 0.28), transparent);
  transform: skewX(-18deg) translateX(-120%); opacity: 0;
}
.k-btn--primary.is-ready::after { animation: k-sheen 1.1s var(--ease-out) 0.15s both; }
@media (hover: hover) {
  .k-btn--primary:hover { filter: brightness(1.08); box-shadow: 0 14px 40px -10px rgb(var(--core-rgb) / 0.9), 0 0 0 1px rgb(140 175 255 / 0.45) inset; }
  .k-btn:hover .k-ic--arrow { transform: translateX(3px); }
}
.k-btn--light { background: var(--ink); color: #15120f; }
@media (hover: hover) { .k-btn--light:hover { background: #fff; } }
.k-btn--ghost { background: transparent; color: var(--ink); box-shadow: inset 0 0 0 1px var(--line-2); }
@media (hover: hover) { .k-btn--ghost:hover { background: var(--surface); box-shadow: inset 0 0 0 1px var(--line-3); } }
.k-btn--text { min-height: 44px; padding: 0 10px; background: none; color: var(--ink-2); font-weight: 500; font-size: 15.5px; }
.k-btn--text span { text-decoration: underline; text-decoration-color: rgb(var(--ink-rgb) / 0.3); text-underline-offset: 4px; }
@media (hover: hover) { .k-btn--text:hover { color: var(--ink); } }
.k-btn--sm { min-height: 44px; padding: 0 16px; font-size: 15px; border-radius: var(--r-sm); }
.k-btn[disabled], .k-btn[aria-disabled="true"] { background: var(--surface-2); color: var(--faint); box-shadow: none; cursor: not-allowed; filter: none; }
.k-btn[disabled]::before, .k-btn[aria-disabled="true"]::before { display: none; }
.k-btn.is-loading { pointer-events: none; }
.k-btn.is-loading .k-ic--arrow { display: none; }
.k-spin {
  width: 20px; height: 20px; flex: none; border-radius: 50%;
  border: 2px solid rgb(255 255 255 / 0.3); border-top-color: #fff; animation: k-rot 0.8s linear infinite;
}
.k-spin--ink { border-color: rgb(var(--ink-rgb) / 0.2); border-top-color: var(--core-hi); }
@keyframes k-rot { to { transform: rotate(360deg); } }
@keyframes k-sheen { 0% { opacity: 0; transform: skewX(-18deg) translateX(-120%); } 20% { opacity: 1; } 100% { opacity: 0; transform: skewX(-18deg) translateX(560%); } }

/* ================================================================ form fields */
.k-form { display: grid; gap: 16px; }
.k-field { display: grid; gap: 8px; }
.k-label { font-size: 15px; font-weight: 500; color: var(--ink-2); }
.k-label small { font-size: 14px; font-weight: 400; color: var(--mute); }
.k-input-wrap { position: relative; }
.k-input-wrap > .k-ic { position: absolute; left: 16px; top: 50%; transform: translateY(-50%); width: 21px; height: 21px; color: var(--mute); pointer-events: none; transition: color var(--d-fast); }
.k-input-wrap > .k-input__ok { left: auto; right: 16px; color: var(--ok); opacity: 0; transform: translateY(-50%) scale(0.6); transition: opacity var(--d), transform var(--d) var(--spring); stroke-width: 2.2; }
.k-input-wrap.is-valid > .k-input__ok { opacity: 1; transform: translateY(-50%) scale(1); }
.k-input {
  display: block; width: 100%; min-height: 58px; padding: 15px 46px 15px 48px;
  border: 1px solid var(--line-2); border-radius: var(--r); background: var(--surface);
  font-size: 17px; line-height: 1.3; color: var(--ink); outline: none; -webkit-appearance: none; appearance: none;
  transition: border-color var(--d-fast), background var(--d-fast), box-shadow var(--d-fast);
}
.k-input--noicon { padding-left: 18px; }
.k-input--xl { min-height: 66px; font-size: 19px; font-weight: 500; border-radius: 18px; }
.k-input::placeholder { color: var(--faint); opacity: 1; }
@media (hover: hover) { .k-input:hover { border-color: var(--line-3); } }
.k-input:focus { border-color: var(--core); background: rgb(var(--core-rgb) / 0.06); box-shadow: 0 0 0 4px rgb(var(--core-rgb) / 0.2); }
.k-input-wrap:focus-within > .k-ic:not(.k-input__ok) { color: var(--core-hi); }
.k-input[aria-invalid="true"] { border-color: var(--bad); box-shadow: 0 0 0 4px rgb(var(--bad-rgb) / 0.14); }
.k-input-suffix { position: absolute; right: 16px; top: 50%; transform: translateY(-50%); color: var(--mute); font-size: 16px; pointer-events: none; }
textarea.k-input { min-height: 120px; resize: vertical; padding-left: 18px; }
.k-err { display: flex; gap: 8px; align-items: flex-start; font-size: 14.5px; line-height: 1.4; color: var(--bad); animation: k-shake 0.36s var(--ease) both; }
.k-err .k-ic { width: 18px; height: 18px; margin-top: 1px; }
.k-hint { font-size: 14px; line-height: 1.45; color: var(--mute); }
.k-suggest { font-size: 14.5px; color: var(--ink-2); animation: k-rise 0.3s var(--ease-out) both; }
.k-suggest button { min-height: 32px; padding: 0 2px; border: 0; background: none; color: var(--core-hi); font-weight: 600; text-decoration: underline; text-underline-offset: 3px; }
.k-check { display: flex; gap: 12px; align-items: flex-start; font-size: 14.5px; line-height: 1.45; color: var(--ink-2); cursor: pointer; }
.k-check input { appearance: none; -webkit-appearance: none; width: 22px; height: 22px; flex: none; margin: 0; border: 1.5px solid var(--line-3); border-radius: 7px; background: var(--surface); display: grid; place-items: center; transition: background var(--d-fast), border-color var(--d-fast); }
.k-check input::after { content: ""; width: 10px; height: 6px; border-left: 2.2px solid #fff; border-bottom: 2.2px solid #fff; transform: rotate(-45deg) translate(1px, -1px) scale(0); transition: transform var(--d) var(--spring); }
.k-check input:checked { background: var(--core); border-color: var(--core); }
.k-check input:checked::after { transform: rotate(-45deg) translate(1px, -1px) scale(1); }
.k-cta-note { display: flex; justify-content: center; align-items: center; gap: 7px; margin: 10px 0 4px; font-size: 14px; font-weight: 500; color: var(--ink-2); text-align: center; }
.k-cta-note .k-ic { width: 17px; height: 17px; flex: none; color: var(--ok); }
.k-legal { font-size: 13px; line-height: 1.55; color: var(--mute); text-wrap: pretty; }
.k-legal a, .k-link { color: var(--ink-2); text-decoration: underline; text-decoration-color: rgb(var(--ink-rgb) / 0.3); text-underline-offset: 3px; }
@media (hover: hover) { .k-legal a:hover, .k-link:hover { color: var(--ink); } }
.k-honey { position: absolute !important; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
@keyframes k-shake { 0%, 100% { transform: none; } 25% { transform: translateX(-4px); } 75% { transform: translateX(3px); } }

/* ================================================================ first screen of A and C: the ad headline, then the question */
.k-step--hero { padding-top: clamp(14px, 3.4vh, 34px); }
.k-step--hero .k-q-title { font-size: clamp(29px, 7.6vw, 40px); line-height: 1.08; letter-spacing: -0.034em; }
.k-hl { color: var(--core-hi); white-space: nowrap; text-shadow: 0 0 28px rgb(var(--core-rgb) / 0.55); }
.k-hero-sub { display: grid; gap: 12px; margin-top: 14px; }
.k-hero-sub > p:not(.k-meta) { font-size: 17px; line-height: 1.5; color: var(--ink-2); text-wrap: pretty; }
.k-meta { display: flex; flex-wrap: wrap; gap: 6px 16px; font-size: 14px; line-height: 1.3; color: var(--mute); }
.k-meta > span { display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; }
.k-meta .k-ic { width: 16px; height: 16px; color: var(--core-hi); }
.k-ask {
  display: flex; align-items: center; gap: 10px; margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--line);
  font: 800 20px/1.25 var(--f-display); letter-spacing: -0.02em; color: var(--ink);
}
.k-ask::before { content: ""; width: 7px; height: 7px; flex: none; background: var(--core); box-shadow: 0 0 10px rgb(var(--core-rgb) / 0.9); }
.k-step--hero .k-options { margin-top: 16px; }
@media (max-width: 370px) { .k-step--hero .k-q-title { font-size: 28px; } }

/* ================================================================ intro step */
.k-intro { flex: 1; display: flex; flex-direction: column; }
.k-intro__visual { margin: 6px 0 26px; }
.k-intro__title { font: 800 var(--t-hero)/1.06 var(--f-display); letter-spacing: -0.032em; text-wrap: balance; }
.k-intro__text { margin-top: 16px; font-size: 18px; line-height: 1.5; color: var(--ink-2); text-wrap: pretty; }
.k-points { display: grid; gap: 14px; margin-top: 28px; }
.k-point { display: flex; gap: 14px; align-items: center; font-size: 16px; line-height: 1.4; color: var(--ink); }
.k-point__ic { width: 40px; height: 40px; flex: none; display: grid; place-items: center; border-radius: 12px; background: var(--surface-2); color: var(--core-hi); }
.k-point__ic .k-ic { width: 21px; height: 21px; }
.k-facts { display: flex; justify-content: center; flex-wrap: wrap; gap: 6px 18px; font-size: 13.5px; color: var(--mute); }
.k-facts span { display: inline-flex; align-items: center; gap: 6px; }
.k-facts .k-ic { width: 16px; height: 16px; color: var(--faint); }

/* the KUDEN mark as a hero object: blades breathe, the core glows */
.k-hero-mark { position: relative; width: 84px; height: 84px; }
.k-hero-mark .k-mark { width: 100%; height: 100%; }
.k-hero-mark .k-mark__blades { transform-origin: center; animation: k-blades 6s var(--ease-io) infinite; }
.k-hero-mark .k-mark__core { transform-box: fill-box; transform-origin: center; animation: k-core 2.6s var(--ease-io) infinite; }
.k-hero-mark::after { content: ""; position: absolute; inset: -30%; z-index: -1; border-radius: 50%; background: radial-gradient(circle, rgb(var(--core-rgb) / 0.32), transparent 65%); }
@keyframes k-blades { 0%, 100% { transform: rotate(0deg); } 50% { transform: rotate(90deg); } }
@keyframes k-core { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.35); } }

/* ================================================================ reassurance interstitial */
.k-reassure { flex: 1; display: grid; place-items: center; padding: 8px 0 12vh; text-align: center; cursor: pointer; }
.k-reassure__card { display: grid; justify-items: center; gap: 14px; max-width: 360px; }
.k-reassure__ic {
  position: relative; width: 80px; height: 80px; display: grid; place-items: center; margin-bottom: 8px;
  border-radius: 26px; color: #fff;
  background: radial-gradient(120% 120% at 25% 15%, rgb(255 255 255 / 0.28), transparent 45%), var(--core-fill);
  box-shadow: 0 22px 50px -14px rgb(var(--core-rgb) / 0.85), inset 0 0 0 1px rgb(160 190 255 / 0.4);
  animation: k-pop 620ms var(--spring) both;
}
.k-reassure__ic .k-ic { width: 36px; height: 36px; stroke-width: 1.9; animation: k-draw 700ms var(--ease-out) 180ms both; stroke-dasharray: 80; }
.k-reassure__ic::before, .k-reassure__ic::after {
  content: ""; position: absolute; inset: -1px; border-radius: inherit; border: 1.5px solid rgb(var(--core-rgb) / 0.7);
  animation: k-ring 1600ms var(--ease-out) 200ms both;
}
.k-reassure__ic::after { animation-delay: 520ms; }
.k-reassure--ok .k-reassure__ic { background: radial-gradient(120% 120% at 25% 15%, rgb(255 255 255 / 0.3), transparent 45%), linear-gradient(160deg, #4fe0a0, #22a96b); box-shadow: 0 22px 50px -14px rgb(var(--ok-rgb) / 0.7), inset 0 0 0 1px rgb(180 255 220 / 0.35); }
.k-reassure--ok .k-reassure__ic::before, .k-reassure--ok .k-reassure__ic::after { border-color: rgb(var(--ok-rgb) / 0.6); }
.k-reassure--warn .k-reassure__ic { background: radial-gradient(120% 120% at 25% 15%, rgb(255 255 255 / 0.3), transparent 45%), linear-gradient(160deg, #ffc76b, #e0912a); box-shadow: 0 22px 50px -14px rgb(var(--warn-rgb) / 0.6), inset 0 0 0 1px rgb(255 230 180 / 0.35); color: #2a1a05; }
.k-reassure--warn .k-reassure__ic::before, .k-reassure--warn .k-reassure__ic::after { border-color: rgb(var(--warn-rgb) / 0.55); }
.k-reassure__title { font: 800 clamp(23px, 6vw, 27px)/1.16 var(--f-display); letter-spacing: -0.025em; text-wrap: balance; animation: k-rise 520ms var(--ease-out) 90ms both; }
.k-reassure__text { font-size: 16.5px; line-height: 1.5; color: var(--ink-2); text-wrap: pretty; max-width: 31ch; animation: k-rise 520ms var(--ease-out) 170ms both; }
.k-reassure__timer { width: 64px; height: 3px; margin-top: 14px; border-radius: 3px; background: var(--surface-3); overflow: hidden; animation: k-fade 400ms var(--ease) 300ms both; }
.k-reassure__timer i { display: block; height: 100%; border-radius: inherit; background: var(--ink-2); transform-origin: left; animation: k-timer var(--dur, 1500ms) linear both; }
.k-reassure.is-paused .k-reassure__timer i { animation-play-state: paused; }
@keyframes k-pop { 0% { opacity: 0; transform: scale(0.55) rotate(-8deg); } 100% { opacity: 1; transform: none; } }
@keyframes k-ring { 0% { opacity: 0.9; transform: scale(1); } 100% { opacity: 0; transform: scale(1.7); } }
@keyframes k-draw { from { stroke-dashoffset: 80; } to { stroke-dashoffset: 0; } }
@keyframes k-timer { from { transform: scaleX(0); } to { transform: scaleX(1); } }
@keyframes k-rise { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
@keyframes k-fade { from { opacity: 0; } to { opacity: 1; } }

/* ================================================================ analysing (loading step) */
.k-analyze { flex: 1; display: grid; align-content: center; justify-items: center; gap: 30px; padding: 8px 0 10vh; text-align: center; }
.k-analyze__title { font: 800 clamp(24px, 6.4vw, 30px)/1.15 var(--f-display); letter-spacing: -0.028em; text-wrap: balance; }
.k-analyze__sub { margin-top: 8px; color: var(--ink-2); font-size: 16px; }
.k-ring { position: relative; width: 156px; height: 156px; }
.k-ring svg { width: 100%; height: 100%; transform: rotate(-90deg); overflow: visible; }
.k-ring__track { fill: none; stroke: var(--surface-3); stroke-width: 7; }
.k-ring__bar { fill: none; stroke: url(#k-ring-grad); stroke-width: 7; stroke-linecap: round; transition: stroke-dashoffset 400ms var(--ease-out); filter: drop-shadow(0 0 8px rgb(var(--core-rgb) / 0.7)); }
.k-ring__val { position: absolute; inset: 0; display: grid; place-items: center; font: 800 36px/1 var(--f-display); letter-spacing: -0.03em; font-variant-numeric: tabular-nums; }
.k-ring__val small { font-size: 0.5em; font-weight: 700; color: var(--mute); margin-left: 2px; }
.k-checklist { display: grid; gap: 14px; width: 100%; max-width: 340px; text-align: left; }
.k-checklist li { display: flex; gap: 12px; align-items: center; font-size: 16px; line-height: 1.35; color: var(--faint); transition: color var(--d); }
.k-checklist .k-cl__st { position: relative; width: 26px; height: 26px; flex: none; display: grid; place-items: center; border-radius: 50%; border: 1.5px solid var(--line-2); transition: background var(--d), border-color var(--d); }
.k-checklist .k-cl__st .k-ic { width: 15px; height: 15px; stroke: #fff; stroke-width: 3; stroke-dasharray: 22; stroke-dashoffset: 22; transition: stroke-dashoffset 360ms var(--ease-out); }
.k-checklist li.is-active { color: var(--ink); }
.k-checklist li.is-active .k-cl__st { border-color: rgb(var(--core-rgb) / 0.35); border-top-color: var(--core-hi); animation: k-rot 0.9s linear infinite; }
.k-checklist li.is-done { color: var(--ink-2); }
.k-checklist li.is-done .k-cl__st { background: var(--core); border-color: var(--core); }
.k-checklist li.is-done .k-cl__st .k-ic { stroke-dashoffset: 0; }
.k-checklist li.is-fail .k-cl__st { background: rgb(var(--bad-rgb) / 0.2); border-color: var(--bad); }
.k-checklist__note { display: block; font-size: 13.5px; color: var(--mute); margin-top: 2px; }

/* ================================================================ gate */
.k-gate__badge {
  width: 64px; height: 64px; display: grid; place-items: center; margin-bottom: 22px;
  border-radius: 20px; color: #fff; background: radial-gradient(120% 120% at 25% 15%, rgb(255 255 255 / 0.26), transparent 45%), var(--core-fill);
  box-shadow: 0 18px 44px -14px rgb(var(--core-rgb) / 0.8), inset 0 0 0 1px rgb(160 190 255 / 0.4);
  animation: k-pop 620ms var(--spring) both;
}
.k-gate__badge .k-ic { width: 30px; height: 30px; }
.k-gate .k-form { margin-top: 26px; }
/* long form: the button follows the form instead of floating over it */
.k-gate .k-dock { position: static; margin-top: 8px; padding-top: 22px; background: none; }
.k-trust { display: flex; gap: 12px; align-items: flex-start; padding: 14px 16px; border-radius: var(--r); background: var(--surface); border: 1px solid var(--line); font-size: 14.5px; line-height: 1.45; color: var(--ink-2); }
.k-trust .k-ic { width: 20px; height: 20px; color: var(--ok); margin-top: 1px; }
.k-preview-list { display: grid; gap: 10px; margin-top: 22px; }
.k-preview-list li { display: flex; gap: 12px; align-items: center; font-size: 15.5px; color: var(--ink-2); }
.k-preview-list li .k-ic { width: 20px; height: 20px; color: var(--core-hi); }

/* ================================================================ results */
.k-result { display: grid; gap: 28px; padding-bottom: 32px; }
.k-result__head { display: grid; gap: 12px; }
.k-h1 { font: 800 clamp(28px, 7.2vw, 38px)/1.08 var(--f-display); letter-spacing: -0.03em; text-wrap: balance; }
.k-h2 { font: 800 var(--t-h2)/1.18 var(--f-display); letter-spacing: -0.022em; text-wrap: balance; }
.k-h3 { font: 700 18px/1.3 var(--f-display); letter-spacing: -0.015em; }
.k-lead { font-size: 17px; line-height: 1.55; color: var(--ink-2); text-wrap: pretty; }
.k-stack { display: grid; gap: 12px; }
.k-section { display: grid; gap: 16px; }

/* score gauge: 270 degree arc */
.k-score { position: relative; width: min(220px, 62vw); aspect-ratio: 1; margin: 4px auto 0; }
.k-score svg { width: 100%; height: 100%; overflow: visible; }
.k-score__track, .k-score__bar { fill: none; stroke-width: 12; stroke-linecap: round; }
.k-score__track { stroke: var(--surface-3); }
.k-score__bar { stroke: var(--tone, var(--core)); transition: stroke-dashoffset 1400ms var(--ease-out); filter: drop-shadow(0 0 10px var(--tone-glow, rgb(var(--core-rgb) / 0.7))); }
.k-score__mid { position: absolute; inset: 0; display: grid; place-content: center; justify-items: center; text-align: center; padding-bottom: 6%; }
.k-score__val { font: 800 clamp(52px, 15vw, 64px)/1 var(--f-display); letter-spacing: -0.04em; font-variant-numeric: tabular-nums; }
.k-score__max { margin-top: 4px; font-size: 14px; color: var(--mute); }
.k-score__label { margin-top: 10px; font-size: 15px; font-weight: 600; color: var(--tone, var(--core-hi)); }
.k-score--bad { --tone: var(--bad); --tone-glow: rgb(var(--bad-rgb) / 0.6); }
.k-score--warn { --tone: var(--warn); --tone-glow: rgb(var(--warn-rgb) / 0.55); }
.k-score--ok { --tone: var(--ok); --tone-glow: rgb(var(--ok-rgb) / 0.55); }

.k-card { position: relative; padding: 20px; border-radius: var(--r-lg); background: var(--surface); border: 1px solid var(--line); }
.k-card--raised { background: linear-gradient(180deg, rgb(255 255 255 / 0.035), rgb(255 255 255 / 0.01)), var(--bg-2); border-color: var(--line-2); box-shadow: var(--shadow-1); }
.k-card--accent { background: linear-gradient(160deg, rgb(var(--core-rgb) / 0.2), rgb(var(--core-rgb) / 0.05) 60%), var(--bg-2); border-color: rgb(var(--core-rgb) / 0.4); }

.k-finding {
  display: grid; grid-template-columns: 40px minmax(0, 1fr); gap: 14px; padding: 18px;
  border-radius: var(--r); background: var(--surface); border: 1px solid var(--line);
  animation: k-rise 520ms var(--ease-out) both; animation-delay: calc(var(--i, 0) * 80ms);
}
.k-finding__ic { width: 40px; height: 40px; display: grid; place-items: center; border-radius: 12px; background: rgb(var(--core-rgb) / 0.14); color: var(--core-hi); }
.k-finding__ic .k-ic { width: 21px; height: 21px; }
.k-finding--bad .k-finding__ic { background: rgb(var(--bad-rgb) / 0.13); color: var(--bad); }
.k-finding--warn .k-finding__ic { background: rgb(var(--warn-rgb) / 0.13); color: var(--warn); }
.k-finding--ok .k-finding__ic { background: rgb(var(--ok-rgb) / 0.13); color: var(--ok); }
.k-finding__title { font-size: 16.5px; font-weight: 650; line-height: 1.35; letter-spacing: -0.005em; }
.k-finding__text { margin-top: 5px; font-size: 15px; line-height: 1.5; color: var(--ink-2); }
.k-finding__next { margin-top: 12px; padding-top: 12px; border-top: 1px dashed var(--line-2); font-size: 15px; line-height: 1.5; color: var(--ink); }
.k-finding__next b { color: var(--core-hi); font-weight: 600; }
.k-finding__meta { margin-top: 8px; font-size: 13px; color: var(--mute); }

.k-stats { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.k-stat { padding: 16px; border-radius: var(--r); background: var(--surface); border: 1px solid var(--line); }
.k-stat__v { font: 800 26px/1.1 var(--f-display); letter-spacing: -0.03em; font-variant-numeric: tabular-nums; }
.k-stat__l { margin-top: 6px; font-size: 13.5px; line-height: 1.35; color: var(--mute); }

.k-callout { display: flex; gap: 14px; align-items: flex-start; padding: 16px 18px; border-radius: var(--r); background: rgb(var(--core-rgb) / 0.1); border: 1px solid rgb(var(--core-rgb) / 0.28); font-size: 15.5px; line-height: 1.5; color: var(--ink); }
.k-callout > .k-ic { color: var(--core-hi); margin-top: 1px; }
.k-callout--ok { background: rgb(var(--ok-rgb) / 0.09); border-color: rgb(var(--ok-rgb) / 0.28); }
.k-callout--ok > .k-ic { color: var(--ok); }
.k-callout--warn { background: rgb(var(--warn-rgb) / 0.09); border-color: rgb(var(--warn-rgb) / 0.28); }
.k-callout--warn > .k-ic { color: var(--warn); }
.k-callout--bad { background: rgb(var(--bad-rgb) / 0.09); border-color: rgb(var(--bad-rgb) / 0.28); }
.k-callout--bad > .k-ic { color: var(--bad); }
.k-callout b { font-weight: 650; }

/* accordion (native details) */
.k-acc { border-radius: var(--r); background: var(--surface); border: 1px solid var(--line); }
.k-acc > summary { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 56px; padding: 0 16px 0 18px; font-weight: 600; font-size: 16px; cursor: pointer; list-style: none; border-radius: inherit; }
.k-acc > summary::-webkit-details-marker { display: none; }
.k-acc > summary .k-ic { width: 20px; height: 20px; color: var(--mute); transition: transform var(--d) var(--ease); }
.k-acc[open] > summary .k-ic { transform: rotate(180deg); color: var(--core-hi); }
.k-acc__body { padding: 0 18px 18px; font-size: 15px; line-height: 1.55; color: var(--ink-2); display: grid; gap: 10px; }
.k-acc__body table { width: 100%; border-collapse: collapse; font-size: 14.5px; }
.k-acc__body td { padding: 8px 0; border-top: 1px solid var(--line); vertical-align: top; }
.k-acc__body td:last-child { text-align: right; color: var(--ink); font-variant-numeric: tabular-nums; padding-left: 12px; }

/* locked / blurred content */
.k-locked { position: relative; border-radius: var(--r-lg); overflow: hidden; }
.k-locked__content { filter: blur(5px) saturate(0.85); opacity: 0.75; pointer-events: none; user-select: none; -webkit-mask-image: linear-gradient(#000 45%, transparent 100%); mask-image: linear-gradient(#000 45%, transparent 100%); }
.k-locked__overlay { position: absolute; inset: 0; display: grid; place-items: center; padding: 16px; }
.k-locked__card { display: grid; justify-items: center; gap: 10px; max-width: 320px; padding: 22px 20px; text-align: center; border-radius: var(--r-lg); background: rgb(var(--bg-rgb) / 0.82); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border: 1px solid var(--line-2); box-shadow: var(--shadow-2); }
.k-locked__card > .k-ic { width: 26px; height: 26px; color: var(--core-hi); }
.k-locked__card p { font-size: 15px; color: var(--ink-2); }
.k-locked.is-unlocked .k-locked__content { filter: none; opacity: 1; -webkit-mask-image: none; mask-image: none; pointer-events: auto; user-select: auto; transition: filter 700ms var(--ease-out), opacity 700ms; }
.k-locked.is-unlocked .k-locked__overlay { display: none; }

/* skeleton */
.k-skel { border-radius: 10px; background: linear-gradient(90deg, var(--surface) 0%, var(--surface-3) 50%, var(--surface) 100%); background-size: 220% 100%; animation: k-shimmer 1.3s linear infinite; }
@keyframes k-shimmer { from { background-position: 120% 0; } to { background-position: -120% 0; } }

/* chips (slots, quick picks) */
.k-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.k-chip {
  min-height: 46px; padding: 0 16px; display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border: 1px solid var(--line-2); border-radius: var(--r-sm); background: var(--surface); color: var(--ink);
  font-weight: 600; font-size: 15.5px; font-variant-numeric: tabular-nums;
  transition: background var(--d-fast), border-color var(--d-fast), color var(--d-fast), transform var(--d-fast);
}
.k-chip:active { transform: scale(0.97); }
@media (hover: hover) { .k-chip:hover { border-color: var(--line-3); background: var(--surface-2); } }
.k-chip[aria-pressed="true"] { background: var(--core); border-color: var(--core); color: #fff; box-shadow: 0 8px 22px -10px rgb(var(--core-rgb) / 0.9); }
.k-chip[disabled] { opacity: 0.35; text-decoration: line-through; pointer-events: none; }
.k-chip__sub { display: block; font-size: 12.5px; font-weight: 500; color: var(--mute); }
.k-chip[aria-pressed="true"] .k-chip__sub { color: rgb(255 255 255 / 0.8); }

/* horizontal day picker */
.k-days { display: flex; gap: 8px; overflow-x: auto; scroll-snap-type: x mandatory; padding: 2px 2px 8px; margin: 0 -2px; scrollbar-width: none; }
.k-days::-webkit-scrollbar { display: none; }
.k-day { flex: none; scroll-snap-align: start; width: 64px; min-height: 72px; display: grid; place-content: center; gap: 2px; border: 1px solid var(--line-2); border-radius: 14px; background: var(--surface); color: var(--ink); text-align: center; transition: background var(--d-fast), border-color var(--d-fast); }
.k-day__w { font-size: 12.5px; color: var(--mute); text-transform: lowercase; }
.k-day__d { font: 800 21px/1.1 var(--f-display); font-variant-numeric: tabular-nums; }
.k-day__m { font-size: 12px; color: var(--mute); }
.k-day[aria-pressed="true"] { background: var(--core); border-color: var(--core); box-shadow: 0 10px 26px -12px rgb(var(--core-rgb) / 0.95); }
.k-day[aria-pressed="true"] .k-day__w, .k-day[aria-pressed="true"] .k-day__m { color: rgb(255 255 255 / 0.85); }
.k-day[disabled] { opacity: 0.35; pointer-events: none; }

/* toast */
.k-toasts { position: fixed; left: 50%; bottom: max(18px, env(safe-area-inset-bottom)); z-index: 300; transform: translateX(-50%); display: grid; gap: 8px; width: min(calc(100% - 32px), 440px); pointer-events: none; }
.k-toast {
  display: flex; gap: 12px; align-items: center; padding: 14px 16px; border-radius: var(--r);
  background: rgb(36 33 29 / 0.95); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--line-2); box-shadow: var(--shadow-2); font-size: 15px; line-height: 1.4; color: var(--ink);
  pointer-events: auto; animation: k-toast-in 460ms var(--spring) both;
}
.k-toast > .k-ic { color: var(--core-hi); }
.k-toast--ok > .k-ic { color: var(--ok); }
.k-toast--bad > .k-ic { color: var(--bad); }
.k-toast.is-out { animation: k-toast-out 260ms var(--ease) both; }
@keyframes k-toast-in { from { opacity: 0; transform: translateY(16px) scale(0.96); } }
@keyframes k-toast-out { to { opacity: 0; transform: translateY(10px); } }

/* sheet (bottom sheet on phones, centred dialog on desktop) */
.k-sheet { width: min(100%, 560px); max-width: 100%; max-height: min(88dvh, 760px); margin: auto auto 0; padding: 0; border: 0; border-radius: 26px 26px 0 0; background: var(--bg-2); color: var(--ink); box-shadow: var(--shadow-2), inset 0 1px 0 rgb(255 255 255 / 0.06); overflow: auto; overscroll-behavior: contain; }
.k-sheet::backdrop { background: rgb(8 7 6 / 0.66); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); }
.k-sheet[open] { animation: k-sheet-in 460ms var(--ease-out) both; }
.k-sheet__grip { width: 40px; height: 5px; margin: 10px auto 0; border-radius: 3px; background: var(--surface-3); }
.k-sheet__in { padding: 18px var(--pad) max(22px, env(safe-area-inset-bottom)); display: grid; gap: 16px; }
.k-sheet__x { position: absolute; top: 12px; right: 12px; }
@keyframes k-sheet-in { from { transform: translateY(40px); opacity: 0; } }
@media (min-width: 640px) {
  .k-sheet { margin: auto; border-radius: 24px; }
  .k-sheet__grip { display: none; }
  .k-sheet__in { padding: 28px 28px 26px; }
}

/* small round icon button */
.k-icon-btn { width: 44px; height: 44px; display: inline-grid; place-items: center; padding: 0; border: 0; border-radius: 50%; background: var(--surface); color: var(--ink-2); transition: background var(--d-fast), color var(--d-fast); }
@media (hover: hover) { .k-icon-btn:hover { background: var(--surface-2); color: var(--ink); } }

/* divider with text */
.k-or { display: flex; align-items: center; gap: 12px; font-size: 13.5px; color: var(--mute); }
.k-or::before, .k-or::after { content: ""; flex: 1; height: 1px; background: var(--line); }

/* footer */
.k-foot { display: flex; justify-content: center; flex-wrap: wrap; gap: 4px 18px; padding: 22px 0 max(18px, env(safe-area-inset-bottom)); font-size: 13px; color: var(--faint); }
.k-foot a, .k-foot button, .k-foot span { display: inline-flex; align-items: center; min-height: 32px; padding: 0; border: 0; background: none; color: inherit; font: inherit; line-height: 1.2; text-decoration: none; }
@media (hover: hover) { .k-foot a:hover, .k-foot button:hover { color: var(--ink-2); } }

/* ================================================================ step transitions
   View Transitions API when available (Chrome, Safari 18+), CSS classes otherwise. Direction: html[data-k-dir]. */
::view-transition-old(root), ::view-transition-new(root) { animation: none; }
::view-transition-group(k-step) { animation-duration: 420ms; animation-timing-function: var(--ease-out); }
::view-transition-old(k-step) { animation: k-out-fwd 240ms var(--ease-io) both; }
::view-transition-new(k-step) { animation: k-in-fwd 460ms var(--ease-out) 60ms both; }
html[data-k-dir="back"]::view-transition-old(k-step) { animation-name: k-out-back; }
html[data-k-dir="back"]::view-transition-new(k-step) { animation-name: k-in-back; }
html[data-k-dir="fade"]::view-transition-old(k-step) { animation: k-fade-out 220ms var(--ease) both; }
html[data-k-dir="fade"]::view-transition-new(k-step) { animation: k-zoom-in 520ms var(--ease-out) 40ms both; }
.k-step.k-enter-fwd { animation: k-in-fwd 460ms var(--ease-out) both; }
.k-step.k-enter-back { animation: k-in-back 460ms var(--ease-out) both; }
.k-step.k-enter-fade { animation: k-zoom-in 520ms var(--ease-out) both; }
.k-step.k-leave-fwd { animation: k-out-fwd 200ms var(--ease-io) both; }
.k-step.k-leave-back { animation: k-out-back 200ms var(--ease-io) both; }
.k-step.k-leave-fade { animation: k-fade-out 200ms var(--ease) both; }
@keyframes k-in-fwd { from { opacity: 0; transform: translateX(36px); } to { opacity: 1; transform: none; } }
@keyframes k-in-back { from { opacity: 0; transform: translateX(-36px); } to { opacity: 1; transform: none; } }
@keyframes k-out-fwd { to { opacity: 0; transform: translateX(-28px); } }
@keyframes k-out-back { to { opacity: 0; transform: translateX(28px); } }
@keyframes k-fade-out { to { opacity: 0; transform: scale(0.98); } }
@keyframes k-zoom-in { from { opacity: 0; transform: scale(0.965); } to { opacity: 1; transform: none; } }

/* ================================================================ desktop */
@media (min-width: 760px) {
  :root { --col: 540px; --pad: 32px; --t-q: 34px; --t-hero: 46px; }
  .k-head { padding-top: 14px; }
  .k-step { padding-top: 48px; }
  .k-dock { position: static; margin-top: auto; padding-top: 32px; background: none; }
  .k-reassure { padding-bottom: 16vh; }
  .k-logo img { width: 120px; }
}
@media (min-width: 1100px) {
  /* the app column is a softly lit panel with hairline edges; deep blue light falls in from both sides (like kuden.cz) */
  .k-app::before {
    content: ""; position: fixed; top: 0; bottom: 0; z-index: -1; pointer-events: none;
    left: calc(50% - var(--col) / 2 - 56px); width: calc(var(--col) + 112px);
    background: linear-gradient(180deg, rgb(255 255 255 / 0.028), rgb(255 255 255 / 0.012) 60%, rgb(255 255 255 / 0.02));
    border-left: 1px solid var(--line); border-right: 1px solid var(--line);
    -webkit-mask-image: linear-gradient(#000 82%, transparent); mask-image: linear-gradient(#000 82%, transparent);
  }
  /* the sticky header spans the panel and takes its tone, so it never reads as a separate dark box */
  .k-head { margin: 0 calc(-1 * var(--pad) - 56px); padding-left: calc(var(--pad) + 56px); padding-right: calc(var(--pad) + 56px); background: rgb(29 27 25 / 0.92); }
  .k-app::after {
    content: ""; position: fixed; inset: 0; z-index: -2; pointer-events: none;
    background:
      radial-gradient(34vw 60vh at 6% 62%, rgb(28 60 150 / 0.24), transparent 70%),
      radial-gradient(30vw 50vh at 96% 24%, rgb(28 60 150 / 0.2), transparent 70%);
  }
}

@media (prefers-reduced-motion: reduce) {
  ::view-transition-group(*), ::view-transition-old(*), ::view-transition-new(*) { animation: none !important; }
  .k-hero-mark .k-mark__blades, .k-hero-mark .k-mark__core { animation: none; }
}

/* option with its own accent (op.color in the engine): tinted icon tile, selected state in that color */
.k-opt--tint .k-opt__ic { background: color-mix(in srgb, var(--opt-c) 18%, transparent); color: var(--opt-c); }
.k-opt--tint[aria-pressed="true"], .k-opt--tint[aria-checked="true"] {
  border-color: var(--opt-c);
  background: color-mix(in srgb, var(--opt-c) 12%, var(--surface));
  box-shadow: 0 12px 30px -16px var(--opt-c);
}
.k-opt--tint[aria-pressed="true"] .k-opt__ic, .k-opt--tint[aria-checked="true"] .k-opt__ic { background: var(--opt-c); color: #12100e; }
.k-opt--tint[aria-pressed="true"] .k-opt__mark, .k-opt--tint[aria-checked="true"] .k-opt__mark { background: var(--opt-c); border-color: var(--opt-c); }