/* medimichi components v2026.10 (prototype) — requires tokens.css */

/* ===== base ===== */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-padding-top: 72px; }
body { margin: 0; background: var(--c-bg); color: var(--c-text); font-family: var(--font-sans); font-size: var(--fs-md); line-height: 1.7; overflow-wrap: anywhere; }
img, svg { max-width: 100%; height: auto; }
a { color: var(--c-primary-ink); text-underline-offset: .2em; }
a:hover { color: var(--c-primary-strong); }
:focus-visible { outline: 3px solid var(--c-focus); outline-offset: 2px; border-radius: 4px; }
h1, h2, h3, h4 { line-height: var(--lh-tight); margin: 0 0 var(--sp-3); font-weight: var(--fw-bold); }
h1 { font-size: var(--fs-3xl); letter-spacing: .01em; }
h2 { font-size: var(--fs-2xl); }
h3 { font-size: var(--fs-lg); }
p { margin: 0 0 var(--sp-4); }
ul, ol { padding-left: 1.4em; margin: 0 0 var(--sp-4); }
li + li { margin-top: var(--sp-2); }
table { border-collapse: collapse; width: 100%; font-size: var(--fs-md); }
th, td { text-align: left; vertical-align: top; padding: var(--sp-3); border-bottom: 1px solid var(--c-border); }
th { background: var(--c-surface-2); font-weight: var(--fw-bold); }
.u-visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap; }
.u-muted { color: var(--c-text-muted); }
.u-small { font-size: var(--fs-sm); }
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
.measure { max-width: var(--measure); }
.stack > * + * { margin-top: var(--sp-4); }
.section { padding-block: var(--sp-10); }
.section--tight { padding-block: var(--sp-6); }
.eyebrow { display: inline-block; font-size: var(--fs-sm); font-weight: var(--fw-bold); color: var(--c-primary-ink); background: var(--c-primary-tint); padding: .2rem .7rem; border-radius: var(--r-pill); margin-bottom: var(--sp-2); }
.lead { font-size: var(--fs-lg); color: var(--c-text-muted); line-height: 1.75; }

/* ===== skip link ===== */
.skip { position: absolute; left: var(--sp-2); top: -100px; z-index: 100; background: var(--c-surface); color: var(--c-text); padding: var(--sp-3) var(--sp-4); border-radius: var(--r-md); box-shadow: var(--shadow-2); min-height: var(--tap); }
.skip:focus { top: var(--sp-2); }

/* ===== buttons ===== */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: var(--sp-2); min-height: var(--tap); min-width: var(--tap); padding: .65rem 1.25rem; border: 2px solid transparent; border-radius: var(--r-pill); font: inherit; font-weight: var(--fw-bold); text-decoration: none; cursor: pointer; transition: background-color var(--dur-2) var(--ease-out), transform var(--dur-1) var(--ease-out), box-shadow var(--dur-2); }
.btn:active { transform: scale(.97); }
.btn--primary { background: var(--c-primary); color: var(--c-on-primary); }
.btn--primary:hover { background: var(--c-primary-strong); color: var(--c-on-primary); }
.btn--secondary { background: var(--c-surface); color: var(--c-primary-ink); border-color: var(--c-primary); }
.btn--secondary:hover { background: var(--c-primary-tint); }
.btn--ghost { background: transparent; color: var(--c-text); border-color: var(--c-border-strong); }
.btn--block { width: 100%; }
.btn--lg { min-height: 52px; font-size: var(--fs-lg); padding-inline: 1.5rem; }
.btn[disabled], .btn[aria-disabled="true"] { background: var(--c-surface-2); color: var(--c-text-muted); border-color: var(--c-border); cursor: not-allowed; transform: none; }
.btn svg { width: 1.2em; height: 1.2em; flex: none; }

/* ===== header + hamburger ===== */
.site-header { position: sticky; top: 0; z-index: 50; background: color-mix(in srgb, var(--c-surface) 92%, transparent); backdrop-filter: saturate(1.4) blur(8px); border-bottom: 1px solid var(--c-border); }
.site-header__in { display: flex; align-items: center; gap: var(--sp-2); min-height: 60px; }
.logo { display: inline-flex; align-items: center; min-height: var(--tap); padding-inline: var(--sp-1); font-weight: 800; font-size: 1.25rem; color: var(--c-text); text-decoration: none; letter-spacing: -.01em; }
.logo span { color: var(--c-health); }
[data-world="exam"] .logo span { color: var(--c-exam); }
.world-badge { display: inline-flex; align-items: center; min-height: 32px; padding: 0 .7rem; border-radius: var(--r-pill); background: var(--c-primary-tint); color: var(--c-primary-ink); font-size: var(--fs-sm); font-weight: var(--fw-bold); white-space: nowrap; }
.site-header__spacer { flex: 1; }
.icon-btn { display: inline-flex; align-items: center; justify-content: center; width: var(--tap); height: var(--tap); border: 0; border-radius: var(--r-md); background: transparent; color: var(--c-text); cursor: pointer; }
.icon-btn:hover { background: var(--c-surface-2); }
.icon-btn svg { width: 24px; height: 24px; }
.nav-desktop { display: none; gap: var(--sp-1); }
.nav-desktop a { display: inline-flex; align-items: center; min-height: var(--tap); padding: 0 .8rem; border-radius: var(--r-md); color: var(--c-text); text-decoration: none; font-weight: var(--fw-bold); font-size: var(--fs-md); }
.nav-desktop a:hover, .nav-desktop a[aria-current="page"] { background: var(--c-primary-tint); color: var(--c-primary-ink); }
.header-search { display: none; }
@media (min-width: 64rem) {
  .nav-desktop { display: flex; }
  .header-search { display: block; width: 18rem; }
  .menu-toggle { display: none; }
}
.drawer { position: fixed; inset: 0; z-index: 80; display: grid; grid-template-columns: 1fr; pointer-events: none; visibility: hidden; }
.drawer[data-open="true"] { pointer-events: auto; visibility: visible; }
.drawer__scrim { position: absolute; inset: 0; background: var(--c-overlay); opacity: 0; transition: opacity var(--dur-3) var(--ease-out); }
.drawer__panel { position: absolute; inset: 0 0 0 auto; width: min(22rem, 88vw); background: var(--c-surface); box-shadow: var(--shadow-3); padding: var(--sp-4); overflow-y: auto; transform: translateX(100%); transition: transform var(--dur-3) var(--ease-out); display: flex; flex-direction: column; gap: var(--sp-4); }
.drawer[data-open="true"] .drawer__scrim { opacity: 1; }
.drawer[data-open="true"] .drawer__panel { transform: none; }
.drawer__head { display: flex; justify-content: space-between; align-items: center; }
.drawer__group h2 { font-size: var(--fs-sm); color: var(--c-text-muted); margin: var(--sp-2) 0; }
.drawer__group ul { list-style: none; padding: 0; margin: 0; }
.drawer__group li + li { margin-top: 0; }
.drawer__group a { display: flex; align-items: center; min-height: 48px; padding: 0 var(--sp-3); border-radius: var(--r-md); color: var(--c-text); text-decoration: none; font-weight: var(--fw-bold); }
.drawer__group a:hover { background: var(--c-surface-2); }
.drawer__group--health a::before, .drawer__group--exam a::before { content: ""; width: 8px; height: 8px; border-radius: 50%; margin-right: var(--sp-3); background: var(--c-health); }
.drawer__group--exam a::before { background: var(--c-exam); }
.emergency-strip { border-radius: var(--r-md); background: var(--c-danger-tint); color: var(--c-danger-ink); padding: var(--sp-3) var(--sp-4); font-size: var(--fs-sm); }
.emergency-strip strong { color: var(--c-danger); }
body[data-scroll-lock] { overflow: hidden; }

/* ===== breadcrumb ===== */
.breadcrumb ol { display: flex; flex-wrap: wrap; align-items: center; list-style: none; padding: 0; margin: var(--sp-3) 0; font-size: var(--fs-sm); }
.breadcrumb li { display: inline-flex; align-items: center; margin: 0; }
.breadcrumb li + li::before { content: ""; width: 6px; height: 6px; margin: 0 .5rem; border-right: 1.5px solid var(--c-border-strong); border-top: 1.5px solid var(--c-border-strong); transform: rotate(45deg); }
.breadcrumb a { display: inline-flex; align-items: center; justify-content: center; min-height: var(--tap); min-width: var(--tap); color: var(--c-text-muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--c-primary-ink); text-decoration: underline; }
.breadcrumb [aria-current="page"] { color: var(--c-text); font-weight: var(--fw-bold); }
@media (max-width: 40rem) {
  /* mobile: show only parent as a back link to save vertical space */
  .breadcrumb li:not(:nth-last-child(2)) { display: none; }
  .breadcrumb li:nth-last-child(2)::before { content: ""; width: 7px; height: 7px; margin-right: .5rem; border-left: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor; border-right: 0; border-top: 0; transform: rotate(45deg); }
}

/* ===== cards ===== */
.card { position: relative; display: flex; flex-direction: column; gap: var(--sp-2); background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--r-lg); padding: var(--sp-5); box-shadow: var(--shadow-1); transition: transform var(--dur-2) var(--ease-out), box-shadow var(--dur-2) var(--ease-out), border-color var(--dur-2); }
.card--link:hover { transform: translateY(-2px); box-shadow: var(--shadow-2); border-color: var(--c-primary); }
.card__link { color: inherit; text-decoration: none; }
.card__link::after { content: ""; position: absolute; inset: 0; border-radius: inherit; } /* whole card is the tap target */
.card__link:focus-visible { outline: none; }
.card:has(.card__link:focus-visible) { outline: 3px solid var(--c-focus); outline-offset: 2px; }
.card__kicker { font-size: var(--fs-sm); font-weight: var(--fw-bold); color: var(--c-primary-ink); }
.card__title { font-size: var(--fs-lg); margin: 0; }
.card__meta { font-size: var(--fs-sm); color: var(--c-text-muted); margin-top: auto; }
.card--health { --c-primary: var(--c-health); --c-primary-tint: var(--c-health-tint); --c-primary-ink: var(--c-health-ink); --c-primary-strong: var(--c-health-strong); }
.card--exam { --c-primary: var(--c-exam); --c-primary-tint: var(--c-exam-tint); --c-primary-ink: var(--c-exam-ink); --c-primary-strong: var(--c-exam-strong); }
.grid { display: grid; gap: var(--sp-4); }
.grid > *, .article-layout > * { min-width: 0; }
@media (min-width: 40rem) { .grid--2 { grid-template-columns: repeat(2, 1fr); } .grid--3 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 64rem) { .grid--3 { grid-template-columns: repeat(3, 1fr); } }

/* entry (audience) cards */
.entry { border-width: 2px; padding: var(--sp-6); gap: var(--sp-3); }
.entry.card--health { border-color: color-mix(in srgb, var(--c-health) 35%, var(--c-border)); background: linear-gradient(180deg, var(--c-health-tint), var(--c-surface) 60%); }
.entry.card--exam { border-color: color-mix(in srgb, var(--c-exam) 35%, var(--c-border)); background: linear-gradient(180deg, var(--c-exam-tint), var(--c-surface) 60%); }
.entry__icon { width: 48px; height: 48px; border-radius: var(--r-md); display: grid; place-items: center; background: var(--c-primary); color: var(--c-on-primary); }
.entry__icon svg { width: 28px; height: 28px; }
.chips { display: flex; flex-wrap: wrap; gap: var(--sp-2); list-style: none; padding: 0; margin: 0; }
.chips li { margin: 0; }
.chip { display: inline-flex; align-items: center; gap: .35em; min-height: var(--tap); padding: 0 .95rem; border-radius: var(--r-pill); border: 1px solid var(--c-border); background: var(--c-surface); color: var(--c-text); font: inherit; font-size: var(--fs-md); text-decoration: none; cursor: pointer; }
.chip:hover { border-color: var(--c-primary); color: var(--c-primary-ink); }
.chip b { color: var(--c-primary-ink); font-family: var(--font-num); }

/* ===== notices: emergency / care / ad / answer ===== */
.notice { border-radius: var(--r-lg); padding: var(--sp-5); border: 2px solid; }
.notice > :last-child { margin-bottom: 0; }
.notice__title { display: flex; align-items: center; gap: var(--sp-2); font-size: var(--fs-xl); margin-bottom: var(--sp-3); }
.notice__title svg { width: 26px; height: 26px; flex: none; }
.notice--emergency { background: var(--c-danger-tint); border-color: var(--c-danger); }
.notice--emergency .notice__title { color: var(--c-danger-ink); }
.notice--care { background: var(--c-warn-tint); border-color: var(--c-warn-border); }
.notice--care .notice__title { color: var(--c-warn); }
.notice--answer { background: var(--c-primary-tint); border-color: color-mix(in srgb, var(--c-primary) 40%, transparent); }
.notice--answer .notice__title { color: var(--c-primary-ink); }
.notice .source { font-size: var(--fs-sm); color: var(--c-text-muted); }
.call-119 { display: flex; align-items: center; gap: var(--sp-3); margin-top: var(--sp-3); padding: var(--sp-3) var(--sp-4); border-radius: var(--r-md); background: var(--c-surface); font-weight: var(--fw-bold); color: var(--c-danger-ink); }
.call-119 a { color: var(--c-danger-ink); font-size: var(--fs-xl); font-family: var(--font-num); }
.ad-box { border: 2px dashed var(--c-ad-border); background: var(--c-ad-tint); border-radius: var(--r-lg); padding: var(--sp-5); }
.ad-box__label { display: inline-flex; align-items: center; gap: .4em; font-size: var(--fs-sm); font-weight: var(--fw-bold); color: var(--c-ad); border: 1.5px solid var(--c-ad); border-radius: var(--r-sm); padding: .1rem .5rem; margin-bottom: var(--sp-3); }
.ad-divider { display: flex; align-items: center; gap: var(--sp-3); color: var(--c-text-muted); font-size: var(--fs-sm); margin: var(--sp-10) 0 var(--sp-4); }
.ad-divider::before, .ad-divider::after { content: ""; flex: 1; border-top: 1px dashed var(--c-border-strong); }
.sources { font-size: var(--fs-sm); background: var(--c-surface-2); border-radius: var(--r-lg); padding: var(--sp-5); }
.sources ol { padding-left: 1.3em; }
.sources h2, .sources h3 { font-size: var(--fs-lg); }
.meta-row { display: flex; flex-wrap: wrap; gap: var(--sp-2) var(--sp-4); font-size: var(--fs-sm); color: var(--c-text-muted); }
.meta-row span { display: inline-flex; align-items: center; gap: .35em; }
.meta-row a { display: inline-flex; align-items: center; justify-content: center; min-height: var(--tap); min-width: var(--tap); }
.meta-row svg { width: 16px; height: 16px; }
.trust { display: flex; gap: var(--sp-3); align-items: flex-start; }
.trust svg { width: 24px; height: 24px; flex: none; color: var(--c-primary); margin-top: .2em; }
.trust h3 { font-size: var(--fs-md); margin-bottom: var(--sp-1); }
.trust p { font-size: var(--fs-sm); color: var(--c-text-muted); margin: 0; }

/* ===== accordion (details/summary) ===== */
.acc { border: 1px solid var(--c-border); border-radius: var(--r-lg); background: var(--c-surface); overflow: clip; }
.acc + .acc { margin-top: var(--sp-3); }
.acc > summary { list-style: none; display: flex; align-items: center; justify-content: space-between; gap: var(--sp-3); min-height: 56px; padding: var(--sp-3) var(--sp-5); cursor: pointer; font-weight: var(--fw-bold); font-size: var(--fs-lg); }
.acc > summary::-webkit-details-marker { display: none; }
.acc > summary::after { content: ""; width: 10px; height: 10px; flex: none; border-right: 2.5px solid var(--c-primary); border-bottom: 2.5px solid var(--c-primary); transform: rotate(45deg) translateY(-3px); transition: transform var(--dur-2) var(--ease-out); }
.acc[open] > summary::after { transform: rotate(-135deg) translateY(-3px); }
.acc > summary:hover { background: var(--c-surface-2); }
.acc__body { padding: 0 var(--sp-5) var(--sp-5); font-size: var(--fs-body); line-height: var(--lh-body); }
.acc__body { overflow: hidden; }
/* desktop: sections marked data-acc="mobile" render as plain sections */
@media (min-width: 64rem) {
  .acc[data-acc="mobile"] { border: 0; background: transparent; overflow: visible; }
  .acc[data-acc="mobile"] > summary { pointer-events: none; padding: 0; min-height: 0; font-size: var(--fs-2xl); margin: var(--sp-8) 0 var(--sp-3); }
  .acc[data-acc="mobile"] > summary::after { display: none; }
  .acc[data-acc="mobile"] > .acc__body { padding: 0; }
}

/* ===== tabs ===== */
.tabs__list { display: flex; gap: var(--sp-1); border-bottom: 2px solid var(--c-border); overflow-x: auto; scrollbar-width: none; }
.tabs__list::-webkit-scrollbar { display: none; }
.tab { flex: 1 0 auto; min-height: var(--tap); padding: 0 var(--sp-4); border: 0; border-bottom: 3px solid transparent; margin-bottom: -2px; background: transparent; color: var(--c-text-muted); font: inherit; font-weight: var(--fw-bold); cursor: pointer; white-space: nowrap; transition: color var(--dur-2), border-color var(--dur-2); }
.tab[aria-selected="true"] { color: var(--c-primary-ink); border-bottom-color: var(--c-primary); }
.tab:hover { color: var(--c-text); }
.tabs__panel { padding-top: var(--sp-5); }
.tabs__panel:focus-visible { outline-offset: 4px; }
.tabs__panel[hidden] { display: none; }
.tabs__panel.is-in { animation: fade-in var(--dur-3) var(--ease-out); }
@keyframes fade-in { from { opacity: 0; transform: translateY(4px); } }

/* ===== form controls: radio / select / search ===== */
.field { display: flex; flex-direction: column; gap: var(--sp-1); }
.field label, .field__label { font-size: var(--fs-sm); font-weight: var(--fw-bold); }
.select { position: relative; }
.select select { appearance: none; width: 100%; min-height: var(--tap); padding: 0 2.5rem 0 var(--sp-4); border: 1.5px solid var(--c-border-strong); border-radius: var(--r-md); background: var(--c-surface); color: var(--c-text); font: inherit; cursor: pointer; }
.select::after { content: ""; position: absolute; right: 1rem; top: 50%; width: 8px; height: 8px; border-right: 2px solid var(--c-text-muted); border-bottom: 2px solid var(--c-text-muted); transform: translateY(-70%) rotate(45deg); pointer-events: none; }
.select select:hover { border-color: var(--c-primary); }

.choice-list { list-style: none; padding: 0; margin: 0; display: grid; gap: var(--sp-3); border: 0; }
fieldset.choice-list { min-width: 0; }
.choice { position: relative; display: block; margin: 0; }
.choice input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.choice__box { display: flex; align-items: center; gap: var(--sp-3); min-height: 56px; padding: var(--sp-3) var(--sp-4); border: 2px solid var(--c-border); border-radius: var(--r-lg); background: var(--c-surface); cursor: pointer; font-size: var(--fs-body); transition: border-color var(--dur-2), background-color var(--dur-2), transform var(--dur-1); }
.choice__box:hover { border-color: var(--c-primary); }
.choice__num { flex: none; display: grid; place-items: center; width: 32px; height: 32px; border-radius: 50%; border: 2px solid var(--c-border-strong); font-weight: var(--fw-bold); font-family: var(--font-num); transition: background-color var(--dur-2), color var(--dur-2), border-color var(--dur-2); }
.choice input:checked + .choice__box { border-color: var(--c-primary); background: var(--c-primary-tint); }
.choice input:checked + .choice__box .choice__num { background: var(--c-primary); color: var(--c-on-primary); border-color: var(--c-primary); }
.choice input:focus-visible + .choice__box { outline: 3px solid var(--c-focus); outline-offset: 2px; }
.choice input:disabled + .choice__box { cursor: default; }
.choice[data-state="ok"] input + .choice__box { border-color: var(--c-ok); background: var(--c-ok-tint); }
.choice[data-state="ok"] input + .choice__box .choice__num { background: var(--c-ok); border-color: var(--c-ok); color: var(--c-surface); }
.choice[data-state="ng"] input + .choice__box { border-color: var(--c-ng); background: var(--c-ng-tint); }
.choice[data-state="ng"] input + .choice__box .choice__num { background: var(--c-ng); border-color: var(--c-ng); color: var(--c-surface); }
.choice__tag { margin-left: auto; font-size: var(--fs-sm); font-weight: var(--fw-bold); }
.choice[data-state="ok"] .choice__tag { color: var(--c-ok); }
.choice[data-state="ng"] .choice__tag { color: var(--c-ng); }

/* combobox */
.combo { position: relative; }
.combo__field { display: flex; align-items: center; gap: var(--sp-2); min-height: 52px; padding: 0 var(--sp-2) 0 var(--sp-4); border: 2px solid var(--c-border-strong); border-radius: var(--r-pill); background: var(--c-surface); transition: border-color var(--dur-2), box-shadow var(--dur-2); }
.combo__field:focus-within { border-color: var(--c-primary); box-shadow: 0 0 0 4px color-mix(in srgb, var(--c-primary) 22%, transparent); }
.combo__field > svg { width: 22px; height: 22px; color: var(--c-text-muted); flex: none; }
.combo input { flex: 1 1 0; width: 100%; min-width: 0; min-height: var(--tap); border: 0; background: transparent; color: var(--c-text); font: inherit; font-size: var(--fs-md); }
.combo input:focus { outline: none; }
.combo input::placeholder { color: var(--c-text-muted); }
.combo__list { position: absolute; z-index: 40; left: 0; right: 0; top: calc(100% + 6px); max-height: min(60vh, 26rem); overflow-y: auto; margin: 0; padding: var(--sp-2); list-style: none; background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--r-lg); box-shadow: var(--shadow-3); animation: pop-in var(--dur-2) var(--ease-out); }
.combo__list[hidden] { display: none; }
.combo__group { padding: var(--sp-2) var(--sp-3) var(--sp-1); font-size: var(--fs-xs); font-weight: var(--fw-bold); color: var(--c-text-muted); margin: 0; }
.combo__opt { display: flex; align-items: center; gap: var(--sp-3); min-height: 48px; padding: var(--sp-2) var(--sp-3); border-radius: var(--r-md); cursor: pointer; margin: 0; }
.combo__opt[aria-selected="true"] { background: var(--c-primary-tint); outline: 2px solid var(--c-primary); outline-offset: -2px; }
.combo__opt mark { background: none; color: var(--c-primary-ink); font-weight: var(--fw-bold); }
.combo__kind { flex: none; font-size: var(--fs-xs); font-weight: var(--fw-bold); padding: .1rem .45rem; border-radius: var(--r-sm); background: var(--c-surface-2); color: var(--c-text); }
.combo__meta { margin-left: auto; font-size: var(--fs-sm); color: var(--c-text-muted); white-space: nowrap; }
.combo__empty { padding: var(--sp-3); color: var(--c-text-muted); font-size: var(--fs-sm); }
@keyframes pop-in { from { opacity: 0; transform: translateY(-4px) scale(.99); } }

/* ===== carousel ===== */
.carousel { position: relative; }
.carousel__head { display: flex; align-items: end; justify-content: space-between; gap: var(--sp-3); margin-bottom: var(--sp-4); }
.carousel__head h2 { margin: 0; }
.carousel__ctrl { display: flex; gap: var(--sp-2); }
.carousel__btn { width: var(--tap); height: var(--tap); border-radius: 50%; border: 1.5px solid var(--c-border-strong); background: var(--c-surface); color: var(--c-text); display: grid; place-items: center; cursor: pointer; }
.carousel__btn:hover:not([disabled]) { border-color: var(--c-primary); color: var(--c-primary-ink); }
.carousel__btn[disabled] { opacity: .4; cursor: default; }
.carousel__btn svg { width: 20px; height: 20px; }
.carousel__track { display: grid; grid-auto-flow: column; grid-auto-columns: 82%; gap: var(--sp-4); overflow-x: auto; scroll-snap-type: x mandatory; scroll-padding-inline: 4px; scroll-behavior: smooth; overscroll-behavior-x: contain; padding: 4px 4px var(--sp-3); margin: -4px; scrollbar-width: thin; list-style: none; }
.carousel__track > * { scroll-snap-align: start; margin: 0; }
@media (pointer: fine) { .carousel__track { cursor: grab; } }
.carousel__track.is-dragging { cursor: grabbing; scroll-snap-type: none; scroll-behavior: auto; user-select: none; }
.carousel__track.is-dragging a { pointer-events: none; }
@media (min-width: 40rem) { .carousel__track { grid-auto-columns: calc((100% - var(--sp-4)) / 2); } }
@media (min-width: 64rem) { .carousel__track { grid-auto-columns: calc((100% - 2 * var(--sp-4)) / 3); } }
.carousel__status { font-size: var(--fs-sm); color: var(--c-text-muted); }

/* ===== modal dialog ===== */
dialog.modal { width: min(36rem, calc(100vw - 2 * var(--gutter))); max-height: min(85vh, 40rem); border: 0; border-radius: var(--r-lg); padding: 0; background: var(--c-surface); color: var(--c-text); box-shadow: var(--shadow-3); }
dialog.modal::backdrop { background: var(--c-overlay); }
dialog.modal[open] { animation: modal-in var(--dur-3) var(--ease-out); }
dialog.modal[open]::backdrop { animation: fade-in var(--dur-3) var(--ease-out); }
dialog.modal.is-closing { animation: modal-out 200ms ease-in forwards; }
dialog.modal.is-closing::backdrop { animation: fade-out 200ms ease-in forwards; }
@keyframes modal-out { to { opacity: 0; transform: translateY(12px) scale(.98); } }
@keyframes fade-out { to { opacity: 0; } }
@keyframes modal-in { from { opacity: 0; transform: translateY(16px) scale(.98); } }
.modal__head { display: flex; align-items: center; justify-content: space-between; gap: var(--sp-3); padding: var(--sp-3) var(--sp-3) var(--sp-3) var(--sp-5); border-bottom: 1px solid var(--c-border); }
.modal__head h2 { font-size: var(--fs-lg); margin: 0; }
.modal__body { padding: var(--sp-5); overflow-y: auto; }

/* ===== progress ===== */
.progress { display: flex; align-items: center; gap: var(--sp-3); font-size: var(--fs-sm); }
.progress__bar { flex: 1; height: 10px; border-radius: var(--r-pill); background: var(--c-surface-2); overflow: hidden; border: 1px solid var(--c-border); }
.progress__fill { height: 100%; background: var(--c-primary); border-radius: inherit; transform-origin: left; transition: width var(--dur-4) var(--ease-out); }

/* ===== feedback micro animations ===== */
.verdict { display: flex; align-items: center; gap: var(--sp-3); padding: var(--sp-4) var(--sp-5); border-radius: var(--r-lg); font-size: var(--fs-xl); font-weight: var(--fw-bold); }
.verdict svg { width: 36px; height: 36px; flex: none; }
.verdict--ok { background: var(--c-ok-tint); color: var(--c-ok); animation: pop var(--dur-4) var(--ease-spring), ok-pulse 1.2s var(--ease-out) 200ms 1; }
@keyframes ok-pulse { 0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--c-ok) 45%, transparent); } 100% { box-shadow: 0 0 0 14px transparent; } }
.verdict--ng { background: var(--c-ng-tint); color: var(--c-ng); animation: shake var(--dur-4) var(--ease-out); }
.verdict small { display: block; font-size: var(--fs-md); color: var(--c-text); font-weight: var(--fw-regular); }
.verdict .check-path { stroke-dasharray: 30; stroke-dashoffset: 30; animation: draw var(--dur-4) var(--ease-out) forwards 120ms; }
@keyframes pop { 0% { transform: scale(.9); opacity: 0; } 60% { transform: scale(1.03); opacity: 1; } 100% { transform: none; } }
@keyframes shake { 0%, 100% { transform: none; } 20% { transform: translateX(-6px); } 40% { transform: translateX(5px); } 60% { transform: translateX(-3px); } 80% { transform: translateX(2px); } }
@keyframes draw { to { stroke-dashoffset: 0; } }
.fade-up { animation: fade-up var(--dur-4) var(--ease-out) both; }
@keyframes fade-up { from { opacity: 0; transform: translateY(10px); } }
.toast { position: fixed; left: 50%; bottom: calc(var(--sp-6) + env(safe-area-inset-bottom)); transform: translateX(-50%); z-index: 90; max-width: calc(100vw - 2 * var(--gutter)); background: var(--c-text); color: var(--c-surface); padding: var(--sp-3) var(--sp-5); border-radius: var(--r-pill); box-shadow: var(--shadow-3); font-size: var(--fs-sm); animation: fade-up var(--dur-3) var(--ease-out); }
.toast[hidden] { display: none; }

/* ===== infographics ===== */
/* body map */
.bodymap { display: grid; gap: var(--sp-5); align-items: start; }
@media (min-width: 48rem) { .bodymap { grid-template-columns: 14rem 1fr; } }
.bodymap__figure { margin: 0; justify-self: center; width: min(14rem, 60vw); }
.bodymap__figure svg { display: block; width: 100%; height: auto; }
.bm-base { fill: var(--c-surface-2); stroke: var(--c-border-strong); stroke-width: 1.5; }
.bm-zone { fill: transparent; stroke: transparent; transition: fill var(--dur-3) var(--ease-out); }
.bm-zone { cursor: pointer; }
.bm-zone.is-hover { fill: color-mix(in srgb, var(--c-primary) 20%, transparent); stroke: var(--c-primary); stroke-width: 1.5; stroke-dasharray: 4 3; }
.part-btn { transition: border-color var(--dur-2), background-color var(--dur-2), transform var(--dur-1); }
.part-btn:hover, .part-btn:focus-visible, .part-btn.is-hover { border-color: var(--c-primary); }
.part-btn:active { transform: scale(.97); }
[data-part-panel].is-reveal h3, [data-part-panel].is-reveal .chips li, [data-part-panel].is-reveal p { animation: fade-up var(--dur-4) var(--ease-out) both; }
[data-part-panel].is-reveal .chips li:nth-child(2) { animation-delay: 60ms; } [data-part-panel].is-reveal .chips li:nth-child(3) { animation-delay: 120ms; } [data-part-panel].is-reveal .chips li:nth-child(4) { animation-delay: 180ms; }
.bm-zone.is-active { fill: color-mix(in srgb, var(--c-primary) 45%, transparent); stroke: var(--c-primary); stroke-width: 2; }
.bm-pulse { pointer-events: none; fill: none; stroke: var(--c-primary); stroke-width: 2; opacity: 0; transform-box: fill-box; transform-origin: center; }
.bm-zone.is-active + .bm-pulse { animation: pulse 1.6s var(--ease-out) infinite; }
@keyframes pulse { 0% { opacity: .9; transform: scale(.6); } 100% { opacity: 0; transform: scale(1.6); } }
.part-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--sp-2); list-style: none; padding: 0; margin: 0 0 var(--sp-4); }
.part-list li { margin: 0; }
.part-btn { width: 100%; min-height: 52px; padding: 0 var(--sp-4); text-align: left; border: 2px solid var(--c-border); border-radius: var(--r-md); background: var(--c-surface); color: var(--c-text); font: inherit; font-weight: var(--fw-bold); cursor: pointer; }
.part-btn[aria-pressed="true"] { border-color: var(--c-primary); background: var(--c-primary-tint); color: var(--c-primary-ink); }
@media (min-width: 40rem) { .part-list { grid-template-columns: repeat(3, 1fr); } }

/* timeline */
.timeline { position: relative; list-style: none; margin: 0; padding: 0 0 0 2rem; }
.timeline::before { content: ""; position: absolute; left: .6rem; top: .4rem; bottom: .4rem; width: 3px; border-radius: 3px; background: linear-gradient(var(--c-primary), var(--c-health-accent)); transform-origin: top; animation: grow-y 1.2s var(--ease-out) both; }
.timeline li { position: relative; margin: 0 0 var(--sp-5); animation: fade-up var(--dur-4) var(--ease-out) both; }
.timeline li:nth-child(2) { animation-delay: 150ms; } .timeline li:nth-child(3) { animation-delay: 300ms; } .timeline li:nth-child(4) { animation-delay: 450ms; } .timeline li:nth-child(5) { animation-delay: 600ms; } .timeline li:nth-child(6) { animation-delay: 750ms; }
.timeline li::before { content: ""; position: absolute; left: calc(-2rem + .25rem); top: .35rem; width: 14px; height: 14px; border-radius: 50%; background: var(--c-surface); border: 3px solid var(--c-primary); }
.timeline__when { display: block; font-weight: var(--fw-bold); font-size: var(--fs-lg); color: var(--c-primary-ink); }
.timeline__what { display: block; }
.timeline li[data-src="guideline"]::before { border-color: var(--c-health-accent); }
@keyframes grow-y { from { transform: scaleY(0); } }
@media (min-width: 64rem) {
  .timeline--h { display: grid; grid-template-columns: repeat(6, 1fr); gap: var(--sp-3); padding: 2rem 0 0; }
  .timeline--h::before { left: 0; right: 0; top: .6rem; bottom: auto; width: auto; height: 3px; background: linear-gradient(90deg, var(--c-primary), var(--c-health-accent)); transform-origin: left; animation-name: grow-x; }
  .timeline--h li::before { left: 0; top: -1.85rem; }
  @keyframes grow-x { from { transform: scaleX(0); } }
}
figure.info { margin: 0; padding: var(--sp-5); border: 1px solid var(--c-border); border-radius: var(--r-lg); background: var(--c-surface); }
figure.info figcaption { font-size: var(--fs-sm); color: var(--c-text-muted); margin-top: var(--sp-3); }

/* ===== toc (in-page) ===== */
.toc { font-size: var(--fs-md); }
.toc ol { list-style: none; padding: 0; margin: 0; }
.toc li { margin: 0; }
.toc a { display: flex; align-items: center; min-height: var(--tap); padding: 0 var(--sp-3); border-left: 3px solid var(--c-border); color: var(--c-text-muted); text-decoration: none; }
.toc a:hover, .toc a[aria-current="true"] { color: var(--c-primary-ink); border-left-color: var(--c-primary); background: var(--c-primary-tint); }
.toc .is-danger { color: var(--c-danger-ink); font-weight: var(--fw-bold); }
.toc .is-warn { color: var(--c-warn); font-weight: var(--fw-bold); }

/* ===== layout helpers ===== */
.article-layout { display: grid; gap: var(--sp-8); }
@media (min-width: 64rem) { .article-layout { grid-template-columns: 15rem minmax(0, 1fr); } .article-layout__aside { position: sticky; top: 80px; align-self: start; } }
@media (max-width: 63.99rem) { .article-layout__aside { display: none; } }
.article-body { font-size: var(--fs-body); line-height: var(--lh-body); }
.table-wrap { overflow-x: auto; border: 1px solid var(--c-border); border-radius: var(--r-md); }
.table-wrap table { min-width: 0; }
@media (max-width: 40rem) {
  /* stack 2-col tables into cards on phones */
  .table-stack thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
  .table-stack tr { display: block; padding: var(--sp-3) var(--sp-4); border-bottom: 1px solid var(--c-border); }
  .table-stack th, .table-stack td { display: block; padding: 0; border: 0; background: none; }
  .table-stack th { color: var(--c-primary-ink); margin-bottom: var(--sp-1); }
}

/* ===== footer ===== */
.site-footer { margin-top: var(--sp-16); background: var(--c-surface); border-top: 1px solid var(--c-border); padding-block: var(--sp-10); font-size: var(--fs-sm); }
.site-footer a { display: inline-flex; align-items: center; min-height: var(--tap); min-width: var(--tap); color: var(--c-text); }
.footer-cols { display: grid; gap: var(--sp-6); }
@media (min-width: 48rem) { .footer-cols { grid-template-columns: 1.3fr 1fr 1fr; } }
.footer-cols ul { list-style: none; padding: 0; margin: 0; }
.footer-cols li { margin: 0; }
.footer-cols h2 { font-size: var(--fs-md); }

/* ===== exam specifics ===== */
.q-meta { display: flex; flex-wrap: wrap; gap: var(--sp-2); align-items: center; font-size: var(--fs-sm); }
.q-badge { display: inline-flex; align-items: center; min-height: 32px; padding: 0 .75rem; border-radius: var(--r-pill); background: var(--c-exam); color: #fff; font-weight: var(--fw-bold); }
.q-stem { font-size: var(--fs-body); line-height: var(--lh-body); font-weight: var(--fw-regular); }
.q-actions { position: fixed; left: 0; right: 0; bottom: 0; z-index: 30; background: color-mix(in srgb, var(--c-surface) 94%, transparent); backdrop-filter: blur(8px); border-top: 1px solid var(--c-border); box-shadow: 0 -4px 16px rgb(16 24 40 / .08); padding: var(--sp-3) 0 calc(var(--sp-3) + env(safe-area-inset-bottom)); }
.q-actions__in { display: flex; gap: var(--sp-2); }
.q-actions .btn--primary { flex: 1; }
/* reserve the bar height (measured by JS into --bar-h, which already includes the safe-area padding) so the fixed bar never covers content */
body.has-fixed-bar { padding-bottom: var(--bar-h, calc(70px + env(safe-area-inset-bottom))); }
@media (min-width: 64rem) { .q-actions__in { max-width: calc(var(--container) - 2 * var(--gutter)); } .q-actions__in > :first-child { margin-left: 0; } }
.exam-layout { display: grid; gap: var(--sp-8); }
@media (min-width: 64rem) { .exam-layout { grid-template-columns: minmax(0, 1fr) 22rem; align-items: start; } .exam-layout__aside { position: sticky; top: 80px; } }
.stat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-3); }
.stat { background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--r-md); padding: var(--sp-3); text-align: center; min-height: 84px; }
.stat b { display: block; font-size: var(--fs-xl); font-family: var(--font-num); }
.stat span { font-size: var(--fs-sm); color: var(--c-text-muted); }

@media (max-width: 30rem) { [data-hide-sm] { display: none !important; } }
@media (max-width: 40rem) { .card { padding: var(--sp-4); } .entry { padding: var(--sp-5) var(--sp-4); } .tab { padding: 0 var(--sp-3); } .combo__field .btn { padding-inline: .9rem; } }

/* ===== reduced motion: kill all decorative animation ===== */
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }
.toc a { transition: background-color var(--dur-2), border-color var(--dur-2), color var(--dur-2); }
.filter-bar { display: grid; gap: var(--sp-3); }
.chip[aria-pressed="true"] { background: var(--c-primary); color: var(--c-on-primary); border-color: var(--c-primary); }
.col-card[hidden] { display: none; }
.col-card { animation: fade-up var(--dur-3) var(--ease-out) both; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 1ms !important; animation-iteration-count: 1 !important; animation-delay: 0ms !important; transition-duration: 1ms !important; scroll-behavior: auto !important; }
  .bm-zone.is-active + .bm-pulse { animation: none; opacity: 0; }
  .verdict .check-path { stroke-dashoffset: 0; }
}