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strong{color:var(--kd-gold);font-weight:var(--kd-fw-bold)}.kd-hero-session__chev{z-index:1;position:relative}.kd-row-card{align-items:center;gap:var(--kd-space-sm);padding:var(--kd-space-md);border-radius:var(--kd-radius-lg);background:var(--kd-surface-sunken);display:flex}.kd-row-card__icon{border-radius:var(--kd-radius-md);background:var(--kd-red-soft);width:48px;height:48px;color:var(--kd-red);flex:none;place-items:center;display:grid}.kd-row-card__body{flex-direction:column;flex:1;min-width:0;display:flex}.kd-row-card__title{font-family:var(--kd-font-display);font-size:var(--kd-fs-h3);line-height:var(--kd-lh-h3);font-weight:var(--kd-fw-semibold)}.kd-row-card__sub{font-size:var(--kd-fs-body);line-height:var(--kd-lh-body);color:var(--kd-ink-muted)}.kd-section-head{justify-content:space-between;align-items:center;gap:var(--kd-space-sm);display:flex}.kd-section-head__title{font-family:var(--kd-font-display);font-size:var(--kd-fs-h2);line-height:var(--kd-lh-h2);font-weight:var(--kd-fw-semibold)}[data-tone=red]{--kd-tone-bg:var(--kd-tint-red);--kd-tone-accent:var(--kd-accent-red)}[data-tone=amber]{--kd-tone-bg:var(--kd-tint-amber);--kd-tone-accent:var(--kd-accent-amber)}[data-tone=blue]{--kd-tone-bg:var(--kd-tint-blue);--kd-tone-accent:var(--kd-accent-blue)}[data-tone=green]{--kd-tone-bg:var(--kd-tint-green);--kd-tone-accent:var(--kd-accent-green)}[data-tone=violet]{--kd-tone-bg:var(--kd-tint-violet);--kd-tone-accent:var(--kd-accent-violet)}[data-tone=orange]{--kd-tone-bg:var(--kd-tint-orange);--kd-tone-accent:var(--kd-accent-orange)}[data-tone=brown]{--kd-tone-bg:var(--kd-tint-brown);--kd-tone-accent:var(--kd-accent-brown)}[data-tone=neutral]{--kd-tone-bg:var(--kd-tint-neutral);--kd-tone-accent:var(--kd-accent-neutral)}.kd-cat-tile{justify-content:center;align-items:center;gap:var(--kd-space-sm);min-height:132px;padding:var(--kd-space-md) var(--kd-space-xs);border-radius:var(--kd-radius-lg);background:var(--kd-tone-bg,var(--kd-tint-neutral));color:var(--kd-ink);box-shadow:var(--kd-shadow-1);text-align:center;cursor:pointer;transition:transform var(--kd-dur-fast) var(--kd-ease);border:0;flex-direction:column;text-decoration:none;display:flex}.kd-cat-tile:active{transform:scale(.97)}.kd-cat-tile__disc{background:var(--kd-surface);border-radius:50%;place-items:center;width:64px;height:64px;display:grid}.kd-cat-tile__disc img{object-fit:contain;width:44px;height:44px}.kd-cat-tile__label{font-family:var(--kd-font-display);font-size:var(--kd-fs-label);line-height:var(--kd-lh-label);font-weight:var(--kd-fw-semibold);text-wrap:balance}.kd-cat-card{align-items:center;gap:var(--kd-space-xs);padding:var(--kd-space-md) var(--kd-space-sm) var(--kd-space-sm);border-radius:var(--kd-radius-lg);background:var(--kd-tone-bg,var(--kd-tint-neutral));color:var(--kd-ink);box-shadow:var(--kd-shadow-1);text-align:center;cursor:pointer;border:0;flex-direction:column;text-decoration:none;display:flex}.kd-cat-card__sign{object-fit:contain;width:48px;height:48px}.kd-cat-card__name{font-family:var(--kd-font-display);font-size:var(--kd-fs-label);line-height:var(--kd-lh-label);font-weight:var(--kd-fw-semibold);min-height:calc(var(--kd-lh-label) * 2);text-wrap:balance;align-items:center;display:flex}.kd-cat-card__count{font-family:var(--kd-font-display);font-size:var(--kd-fs-body-sm);line-height:var(--kd-lh-body-sm);font-variant-numeric:tabular-nums;color:var(--kd-ink-muted)}.kd-cat-card .kd-progress{--kd-progress-color:var(--kd-tone-accent);background:#1a1a1a14;height:4px}.kd-cat-card--done .kd-cat-card__count{color:var(--kd-green-ink);font-weight:var(--kd-fw-bold)}.kd-fact{gap:var(--kd-space-xs);padding:var(--kd-space-lg);border-radius:var(--kd-radius-lg);background:var(--kd-surface-sunken);flex-direction:column;display:flex}.kd-fact__eyebrow{align-items:center;gap:var(--kd-space-xs);color:var(--kd-red-ink);display:flex}.kd-fact__eyebrow:before{content:"";background:var(--kd-red);border-radius:50%;width:8px;height:8px}.kd-fact__text{font-size:var(--kd-fs-body);line-height:22px}.kd-fact__text strong{font-weight:var(--kd-fw-semibold)}.kd-bottom-nav{z-index:30;padding-inline:max(var(--kd-space-xs), env(safe-area-inset-left,0px)) max(var(--kd-space-xs), env(safe-area-inset-right,0px));padding-top:var(--kd-space-xs);padding-bottom:calc(var(--kd-space-xs) + env(safe-area-inset-bottom,0px));background:var(--kd-surface);border-top:1px solid var(--kd-border);grid-template-columns:repeat(4,minmax(0,1fr));display:grid;position:fixed;bottom:0;left:0;right:0}.kd-bottom-nav--static{position:static}.kd-nav-item{min-height:var(--kd-nav-h);padding-block:var(--kd-space-2xs);color:var(--kd-ink-muted);font-family:var(--kd-font-display);font-size:var(--kd-fs-label);line-height:var(--kd-lh-label);font-weight:var(--kd-fw-semibold);border-radius:var(--kd-radius-md);flex-direction:column;justify-content:center;align-items:center;gap:2px;text-decoration:none;display:flex}.kd-nav-item__pill{border-radius:var(--kd-radius-full);width:56px;height:32px;transition:background-color var(--kd-dur-fast) var(--kd-ease);place-items:center;display:grid}.kd-nav-item[aria-current=page]{color:var(--kd-red)}.kd-nav-item[aria-current=page] .kd-nav-item__pill{background:var(--kd-red-soft)}.kd-nav-item[aria-current=page] .kd-icon{font-variation-settings:"FILL" 1, "wght" 500, "GRAD" 0, "opsz" 24}.kd-search{align-items:center;gap:var(--kd-space-xs);min-height:52px;padding-inline:var(--kd-space-md);border-radius:var(--kd-radius-lg);background:var(--kd-surface-sunken);color:var(--kd-ink-muted);transition:border-color var(--kd-dur-fast) var(--kd-ease), background-color var(--kd-dur-fast) var(--kd-ease);border:1.5px solid #0000;display:flex}.kd-search:focus-within{border-color:var(--kd-blue);background:var(--kd-surface)}.kd-search__input{min-width:0;font-family:var(--kd-font-body);font-size:var(--kd-fs-body-lg);line-height:var(--kd-lh-body-lg);color:var(--kd-ink);background:0 0;border:0;outline:0;flex:1}.kd-search__input::placeholder{color:var(--kd-ink-subtle)}.kd-app .kd-search__input:focus-visible{outline:0}.kd-chips{gap:var(--kd-space-xs);scrollbar-width:none;padding-bottom:2px;display:flex;overflow-x:auto}.kd-chips::-webkit-scrollbar{display:none}.kd-chip{align-items:center;gap:var(--kd-space-xs);min-height:40px;padding-inline:var(--kd-space-md);border-radius:var(--kd-radius-full);background:var(--kd-surface-sunken);color:var(--kd-ink);font-family:var(--kd-font-display);font-size:var(--kd-fs-label-lg);line-height:1;font-weight:var(--kd-fw-semibold);cursor:pointer;white-space:nowrap;border:0;flex:none;display:inline-flex}.kd-chip[aria-pressed=true]{background:var(--kd-red);color:var(--kd-ink-inverse)}.kd-chip__count{border-radius:var(--kd-radius-full);background:var(--kd-surface);min-width:24px;height:24px;color:var(--kd-ink);font-size:var(--kd-fs-label-sm);font-weight:var(--kd-fw-bold);font-variant-numeric:tabular-nums;place-items:center;padding-inline:6px;display:inline-grid}.kd-chip[aria-pressed=true] .kd-chip__count{color:var(--kd-ink-inverse);background:#ffffff38}.kd-progress-banner{align-items:center;gap:var(--kd-space-sm);padding:var(--kd-space-md);border-radius:var(--kd-radius-lg);background:var(--kd-red);color:var(--kd-ink-inverse);display:flex}.kd-progress-banner__icon{border-radius:var(--kd-radius-md);background:#ffffff29;flex:none;place-items:center;width:44px;height:44px;display:grid}.kd-progress-banner__body{flex:1;min-width:0}.kd-progress-banner__eyebrow{color:var(--kd-gold-soft)}.kd-progress-banner__title{font-family:var(--kd-font-display);font-size:var(--kd-fs-h3);line-height:var(--kd-lh-h3);font-weight:var(--kd-fw-bold);font-variant-numeric:tabular-nums}.kd-progress-banner__value{text-align:right}.kd-progress-banner__pct{font-family:var(--kd-font-display);font-size:var(--kd-fs-h2);line-height:var(--kd-lh-h2);font-weight:var(--kd-fw-bold);color:var(--kd-gold);font-variant-numeric:tabular-nums}.kd-badge{align-items:center;gap:var(--kd-space-2xs);height:32px;padding-inline:var(--kd-space-sm);border-radius:var(--kd-radius-full);background:var(--kd-surface-sunken);color:var(--kd-ink);font-family:var(--kd-font-display);font-size:var(--kd-fs-label);line-height:1;font-weight:var(--kd-fw-semibold);white-space:nowrap;display:inline-flex}.kd-badge .kd-icon{color:var(--kd-red);font-size:18px}.kd-code-tag{align-items:center;gap:var(--kd-space-xs);height:28px;padding-inline:var(--kd-space-sm);border-radius:var(--kd-radius-full);background:var(--kd-red-soft);color:var(--kd-red-ink);font-family:var(--kd-font-display);font-size:var(--kd-fs-label-sm);line-height:1;font-weight:var(--kd-fw-bold);letter-spacing:.06em;text-transform:uppercase;white-space:nowrap;display:inline-flex}.kd-code-tag:before{content:"";background:var(--kd-red);border-radius:50%;width:8px;height:8px}.kd-sign{--kd-sign-size:56px;width:var(--kd-sign-size);height:var(--kd-sign-size);flex:none;place-items:center;max-width:100%;display:grid;position:relative}.kd-sign img{object-fit:contain;width:100%;height:100%;display:block}.kd-sign--sm{--kd-sign-size:44px}.kd-sign--md{--kd-sign-size:64px}.kd-sign--xl{--kd-sign-size:200px}.kd-sign--loading{border-radius:var(--kd-radius-md);background:linear-gradient(90deg, var(--kd-surface-sunken) 0%, var(--kd-border) 50%, var(--kd-surface-sunken) 100%);background-size:200% 100%;animation:1.2s linear infinite kd-shimmer}.kd-sign--error{border-radius:var(--kd-radius-md);border:1.5px dashed var(--kd-border-strong);background:var(--kd-surface-sunken);color:var(--kd-ink-muted);align-content:center;gap:var(--kd-space-2xs);text-align:center}.kd-sign--error .kd-sign__code{font-family:var(--kd-font-display);font-size:var(--kd-fs-label-sm);line-height:1;font-weight:var(--kd-fw-bold)}@keyframes kd-shimmer{to{background-position:-200% 0}}.kd-question-card{align-items:center;gap:var(--kd-space-md);padding:var(--kd-space-lg);border-radius:var(--kd-radius-xl);background:var(--kd-surface);box-shadow:var(--kd-shadow-1);flex-direction:column;display:flex}.kd-question-card .kd-code-tag{align-self:flex-start}.kd-question-card__prompt{font-family:var(--kd-font-display);font-size:var(--kd-fs-h3);line-height:var(--kd-lh-h3);font-weight:var(--kd-fw-semibold);text-align:center;text-wrap:balance}.kd-option-group{gap:var(--kd-space-sm);flex-direction:column;display:flex}.kd-option{align-items:center;gap:var(--kd-space-sm);width:100%;min-height:72px;padding:var(--kd-space-sm) var(--kd-space-md);border:1.5px solid var(--kd-border);border-radius:var(--kd-radius-md);background:var(--kd-surface);color:var(--kd-ink);box-shadow:var(--kd-shadow-1);text-align:left;cursor:pointer;transition:background-color var(--kd-dur-base) var(--kd-ease), border-color var(--kd-dur-base) var(--kd-ease), color var(--kd-dur-base) var(--kd-ease);display:flex}.kd-option__letter{border-radius:var(--kd-radius-sm);background:var(--kd-surface-sunken);width:40px;height:40px;font-family:var(--kd-font-display);font-size:var(--kd-fs-label-lg);font-weight:var(--kd-fw-bold);flex:none;place-items:center;display:grid}.kd-option__text{min-width:0;font-family:var(--kd-font-body);font-size:var(--kd-fs-body-lg);flex:1;font-weight:500;line-height:22px}.kd-option__check{background:var(--kd-surface-sunken);color:#0000;border-radius:50%;flex:none;place-items:center;width:28px;height:28px;display:grid}.kd-option__check .kd-icon{font-variation-settings:"FILL" 0, "wght" 700, "GRAD" 0, "opsz" 20;font-size:20px}.kd-option:hover:not([data-state]){border-color:var(--kd-border-strong)}.kd-option[aria-checked=true]:not([data-state]){border-color:var(--kd-blue);background:var(--kd-blue-soft)}.kd-option[aria-checked=true]:not([data-state]) .kd-option__check,.kd-option[aria-checked=true]:not([data-state]) .kd-option__letter{background:var(--kd-blue);color:var(--kd-ink-inverse)}.kd-option[data-state=correct]{background:var(--kd-green);border-color:var(--kd-green);color:var(--kd-ink-inverse)}.kd-option[data-state=correct] .kd-option__check{background:var(--kd-surface);color:var(--kd-green)}.kd-option[data-state=incorrect]{background:var(--kd-red);border-color:var(--kd-red);color:var(--kd-ink-inverse);animation:kd-shake var(--kd-dur-slow) var(--kd-ease)}.kd-option[data-state=incorrect] .kd-option__check{background:var(--kd-surface);color:var(--kd-red)}.kd-option[data-state=correct] .kd-sign,.kd-option[data-state=incorrect] .kd-sign{background:var(--kd-surface);border-radius:50%}.kd-option[data-state=correct] .kd-option__letter,.kd-option[data-state=incorrect] .kd-option__letter{background:var(--kd-surface);color:var(--kd-ink)}.kd-option[data-state=dimmed]{opacity:.55;cursor:default;box-shadow:none}@keyframes kd-shake{20%,60%{transform:translate(-4px)}40%,80%{transform:translate(4px)}}.kd-feedback{gap:var(--kd-space-sm);padding:var(--kd-space-lg) var(--kd-margin) calc(var(--kd-space-md) + env(safe-area-inset-bottom,0px));border-radius:var(--kd-radius-xl) var(--kd-radius-xl) 0 0;box-shadow:var(--kd-shadow-sheet);animation:kd-rise var(--kd-dur-slow) var(--kd-ease);flex-direction:column;display:flex}.kd-feedback--correct{background:var(--kd-green-soft);color:var(--kd-green-ink)}.kd-feedback--incorrect{background:var(--kd-red-soft);color:var(--kd-red-ink)}.kd-feedback__head{align-items:center;gap:var(--kd-space-sm);display:flex}.kd-feedback__icon{width:40px;height:40px;color:var(--kd-ink-inverse);border-radius:50%;flex:none;place-items:center;display:grid}.kd-feedback--correct .kd-feedback__icon{background:var(--kd-green)}.kd-feedback--incorrect .kd-feedback__icon{background:var(--kd-red)}.kd-feedback__title{font-family:var(--kd-font-display);font-size:var(--kd-fs-h2);line-height:var(--kd-lh-h2);font-weight:var(--kd-fw-bold)}.kd-feedback__text{font-size:var(--kd-fs-body);line-height:22px}.kd-feedback__text strong{font-weight:var(--kd-fw-bold)}.kd-feedback--static{border-radius:var(--kd-radius-xl);animation:none}@keyframes kd-rise{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}.kd-notice{align-items:center;gap:var(--kd-space-2xs);min-height:28px;padding-inline:var(--kd-space-sm);border-radius:var(--kd-radius-full);background:var(--kd-surface-sunken);color:var(--kd-ink-muted);font-family:var(--kd-font-display);font-size:var(--kd-fs-label);line-height:1;font-weight:var(--kd-fw-semibold);display:inline-flex}.kd-notice .kd-icon{color:var(--kd-red);font-size:18px}.kd-exam-status{gap:var(--kd-space-sm);padding:var(--kd-space-md);border-radius:var(--kd-radius-lg);background:var(--kd-surface);box-shadow:var(--kd-shadow-1);flex-direction:column;display:flex}.kd-exam-status__row{justify-content:space-between;align-items:center;gap:var(--kd-space-sm);display:flex}.kd-exam-status__timer{align-items:center;gap:var(--kd-space-sm);display:flex}.kd-exam-status__timer-icon{border-radius:var(--kd-radius-md);background:var(--kd-surface-sunken);place-items:center;width:44px;height:44px;display:grid}.kd-exam-status__time{font-family:var(--kd-font-display);font-size:var(--kd-fs-h1);line-height:1;font-weight:var(--kd-fw-bold);font-variant-numeric:tabular-nums}.kd-exam-status__time--urgent{color:var(--kd-red)}.kd-exam-status__count{text-align:right}.kd-exam-status__count strong{font-family:var(--kd-font-display);font-size:var(--kd-fs-h2);font-weight:var(--kd-fw-bold);color:var(--kd-red);font-variant-numeric:tabular-nums}.kd-exam-map{grid-template-columns:repeat(10,minmax(0,1fr));gap:6px;display:grid}.kd-exam-cell{aspect-ratio:1;border-radius:var(--kd-radius-sm);background:var(--kd-surface-sunken);min-width:0;max-width:100%;color:var(--kd-ink-muted);font-family:var(--kd-font-display);font-size:var(--kd-fs-label);font-weight:var(--kd-fw-semibold);font-variant-numeric:tabular-nums;cursor:pointer;border:0;place-items:center;padding:0;display:grid}.kd-exam-cell--answered{background:var(--kd-gold-soft);color:var(--kd-gold-ink)}.kd-exam-cell--flagged{background:var(--kd-gold);color:var(--kd-ink)}.kd-exam-cell[aria-current=step]{background:var(--kd-red);color:var(--kd-ink-inverse);box-shadow:0 0 0 2px var(--kd-surface), 0 0 0 4px var(--kd-red)}.kd-legend{gap:var(--kd-space-xs) 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