.reference-page{flex-direction:column;gap:1.25rem;display:flex}.reference-page__header{flex-direction:column;gap:.75rem;display:flex}.reference-page__back{border:1px solid var(--color-border);background:var(--color-surface-muted);min-height:44px;color:var(--color-text);font:inherit;cursor:pointer;border-radius:999px;align-self:flex-start;align-items:center;gap:.25rem;padding:.45rem .85rem;display:inline-flex}.reference-page__back:hover{border-color:var(--color-primary);background:var(--color-surface)}.reference-page__back:focus-visible,.reference-page__chapter-link:focus-visible,.reference-page__pager-link:focus-visible{outline:2px solid var(--color-focus-ring);outline-offset:2px}.reference-page__eyebrow{color:var(--color-primary);letter-spacing:.04em;text-transform:uppercase;margin:0;font-size:.85rem;font-weight:700}.reference-page__title{margin:0;font-size:clamp(1.4rem,4vw,2rem);line-height:1.3}.reference-page__lead{color:var(--color-text-muted);margin:0}.reference-page__chapter-nav{grid-template-columns:repeat(auto-fit,minmax(14rem,1fr));gap:.75rem;display:grid}.reference-page__chapter-link{border:1px solid var(--color-border);background:var(--color-surface);min-height:44px;color:var(--color-text);text-align:left;border-radius:12px;flex-direction:column;justify-content:center;align-items:flex-start;gap:.2rem;padding:.7rem .95rem;font-weight:600;line-height:1.35;text-decoration:none;display:flex}.reference-page__chapter-link-index{color:var(--color-text-muted);letter-spacing:.04em;font-size:.75rem;font-weight:700}.reference-page__chapter-link-title{font-size:.95rem}.reference-page__chapter-link:hover,.reference-page__chapter-link[aria-current=page]{border-color:var(--color-primary);background:var(--color-primary-bg)}.reference-page__main{flex-direction:column;gap:1.25rem;display:flex}.reference-page__chapter{border:1px solid var(--color-border);background:var(--color-surface);border-radius:16px;flex-direction:column;gap:1rem;padding:1.5rem;display:flex;box-shadow:0 1px 2px #0f172a0a}.reference-page__chapter-header{border-bottom:1px solid var(--color-border);flex-direction:column;gap:.5rem;padding-bottom:.75rem;display:flex}.reference-page__chapter-position{letter-spacing:.04em;color:var(--color-primary);text-transform:none;margin:0;font-size:.78rem;font-weight:700}.reference-page__chapter-title{margin:0;font-size:clamp(1.25rem,2.6vw,1.5rem);line-height:1.3}.reference-page__chapter-title:focus{outline:2px solid var(--color-focus-ring);outline-offset:2px;border-radius:4px}.reference-page__chapter-description,.reference-page__section-summary,.reference-page__paragraph,.reference-page__note-text{margin:0}.reference-page__chapter-description,.reference-page__section-summary{color:var(--color-text-muted)}.reference-page__meta{grid-template-columns:repeat(2,minmax(0,1fr));gap:.75rem;margin:0;display:grid}.reference-page__meta div,.reference-page__goal-card,.reference-page__section,.reference-page__note{border:1px solid var(--color-border);background:var(--color-surface-muted);border-radius:12px;padding:.9rem 1rem}.reference-page__meta dt{color:var(--color-text-muted);margin:0 0 .35rem;font-size:.8rem;font-weight:700}.reference-page__meta dd{word-break:break-word;margin:0}.reference-page__goal-list,.reference-page__list{margin:0;padding-left:1.2rem}.reference-page__link-list{flex-direction:column;gap:.45rem;margin:0;padding-left:1.2rem;display:flex}.reference-page__inline-link{color:var(--color-primary);font-weight:600}.reference-page__inline-link:hover{text-decoration:underline}.reference-page__link-description{color:var(--color-text-muted)}.reference-page__goal-list li+li,.reference-page__list li+li{margin-top:.45rem}.reference-page__sections{flex-direction:column;gap:1rem;display:flex}.reference-page__section-heading,.reference-page__note-title{margin:0 0 .65rem;line-height:1.4}.reference-page__section-heading{font-size:1.05rem}.reference-page__note-title{font-size:1rem}.reference-page__content{flex-direction:column;gap:.85rem;line-height:1.7;display:flex}.reference-page__paragraph{line-height:1.75}.reference-page__table-wrap{overflow-x:auto}.reference-page__table{border-collapse:collapse;width:100%;min-width:20rem}.reference-page__table th,.reference-page__table td{border:1px solid var(--color-border);vertical-align:top;text-align:left;padding:.7rem}.reference-page__table th{background:var(--color-surface)}.reference-page__note{border-left:4px solid var(--color-primary)}.reference-page__chapter-pager{border-top:1px solid var(--color-border);grid-template-columns:1fr auto 1fr;gap:.75rem;margin-top:.5rem;padding-top:1rem;display:grid}.reference-page__pager-link{border:1px solid var(--color-border);background:var(--color-surface-muted);min-height:44px;color:var(--color-text);border-radius:12px;flex-direction:column;justify-content:center;gap:.2rem;padding:.65rem .9rem;font-weight:600;line-height:1.35;text-decoration:none;display:flex}.reference-page__pager-link:hover{border-color:var(--color-primary);background:var(--color-primary-bg)}.reference-page__pager-link--prev{text-align:left}.reference-page__pager-link--next{text-align:right;align-items:flex-end}.reference-page__pager-link--top{text-align:center;justify-content:center;align-items:center;min-width:7.5rem}.reference-page__pager-link--disabled{cursor:not-allowed;opacity:.55;pointer-events:none;background:var(--color-surface)}.reference-page__pager-direction{letter-spacing:.04em;color:var(--color-text-muted);font-size:.75rem;font-weight:700}.reference-page__pager-link--disabled .reference-page__pager-direction{color:var(--color-text-muted)}.reference-page__pager-title{font-size:.95rem}@media (width<=480px){.reference-page__chapter-nav,.reference-page__meta{grid-template-columns:1fr}.reference-page__chapter,.reference-page__section,.reference-page__goal-card,.reference-page__meta div,.reference-page__note{padding:.85rem}.reference-page__chapter-link{text-align:left;justify-content:flex-start}.reference-page__table{min-width:17.5rem;font-size:.9rem}.reference-page__chapter-pager{grid-template-columns:1fr}.reference-page__pager-link--next{text-align:left;align-items:flex-start}.reference-page__pager-link--top{min-width:0}}:root,:root[data-theme=light]{--color-bg:#f7f7f8;--color-surface:#fff;--color-surface-muted:#f6f8fa;--color-text:#1f2328;--color-text-muted:#57606a;--color-border:#d0d7de;--color-border-strong:#9aa4ad;--color-primary:#0969da;--color-primary-bg:#ddf4ff;--color-focus-ring:#0969da;--color-success:#1a7f37;--color-success-bg:#ecfdf3;--color-success-text:#0a5a23;--color-danger:#cf222e;--color-danger-bg:#fff1f0;--color-danger-text:#82071e;--color-on-success:#fff;--color-on-danger:#fff;--color-on-primary:#fff;--color-history-icon-correct:#0a5a23;--color-history-icon-incorrect:#82071e;--color-history-priority-correct:#1a4628;--color-history-priority-incorrect:#5a1620;--color-history-priority-neutral:#1f2328}:root[data-theme=dark]{--color-bg:#0d1117;--color-surface:#161b22;--color-surface-muted:#21262d;--color-text:#e6edf3;--color-text-muted:#9da7b3;--color-border:#30363d;--color-border-strong:#6e7681;--color-primary:#58a6ff;--color-primary-bg:#163b66;--color-focus-ring:#79c0ff;--color-success:#3fb950;--color-success-bg:#0f2e1a;--color-success-text:#7ee787;--color-danger:#f85149;--color-danger-bg:#2d0f10;--color-danger-text:#ff8a80;--color-on-success:#04210d;--color-on-danger:#2a0407;--color-on-primary:#0d1117;--color-history-icon-correct:#7ee787;--color-history-icon-incorrect:#ff8a80;--color-history-priority-correct:#a6f0b0;--color-history-priority-incorrect:#ffb3ad;--color-history-priority-neutral:#e6edf3}:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;font-family:system-ui,-apple-system,Segoe UI,sans-serif;line-height:1.6}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial}}body{background:var(--color-bg);color:var(--color-text);margin:0}.container{max-width:720px;margin:0 auto;padding:1.5rem 1rem}.app-header{margin-bottom:1.5rem}.app-subtitle{color:var(--color-text-muted);margin-top:-.5rem}.score-counter{border:1px solid var(--color-border);background:var(--color-surface);color:var(--color-text);border-radius:999px;flex-wrap:wrap;align-items:baseline;gap:.5rem;margin-top:.25rem;padding:.35rem .75rem;font-size:.95rem;display:inline-flex}.score-counter__label{color:var(--color-text-muted);font-size:.85rem}.score-counter__value strong{font-size:1.1rem}.score-counter__sep{color:var(--color-text-muted);margin:0 .15rem}.score-counter__rate{color:var(--color-text-muted);font-size:.85rem}.score-counter__mode{color:var(--color-text-muted);letter-spacing:.02em;font-size:.8rem;font-weight:600}.app-footer{color:var(--color-text-muted);margin-top:1rem}.app-footer kbd{border:1px solid var(--color-border);background:var(--color-surface-muted);color:var(--color-text);border-bottom-width:2px;border-radius:4px;padding:0 .4rem;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.85em;display:inline-block}.app-footer__legal{flex-wrap:wrap;align-items:center;gap:.25rem .5rem;margin-top:.5rem;font-size:.8rem;display:flex}.app-footer__legal-link{color:var(--color-text-muted);text-decoration:none}.app-footer__legal-link:hover,.app-footer__legal-link:focus{color:var(--color-primary);text-decoration:underline}.app-footer__legal-link:focus-visible{outline:2px solid var(--color-focus-ring);outline-offset:2px;border-radius:2px}.app-footer__legal-sep{color:var(--color-border-strong)}.legal-header{margin-bottom:1.5rem}.legal-back-btn{border:1px solid var(--color-border);background:var(--color-surface-muted);color:var(--color-text);cursor:pointer;border-radius:6px;align-items:center;gap:.25rem;margin-bottom:1rem;padding:.4rem .75rem;font-size:.875rem;text-decoration:none;display:inline-flex}.legal-back-btn:hover{background:var(--color-surface);border-color:var(--color-border-strong)}.legal-back-btn:focus-visible{outline:2px solid var(--color-focus-ring);outline-offset:2px}.legal-title{margin:0 0 .25rem;font-size:1.5rem;line-height:1.3}@media (width<=480px){.legal-title{font-size:1.25rem}}.legal-updated{color:var(--color-text-muted);margin:0;font-size:.85rem}.legal-body{flex-direction:column;gap:.75rem;display:flex}.legal-section{border:1px solid var(--color-border);background:var(--color-surface-muted);border-radius:12px;padding:1rem 1.1rem}.legal-section__title{margin:0 0 .6rem;font-size:1.05rem;font-weight:700;line-height:1.4}.legal-section p{margin:0 0 .75rem;line-height:1.7}.legal-section p:last-child{margin-bottom:0}.legal-list{margin:0 0 .75rem;padding-left:1.5rem;line-height:1.7}.legal-list li{margin-bottom:.4rem}.legal-link{color:var(--color-primary);text-decoration:underline}.legal-link:focus-visible{outline:2px solid var(--color-focus-ring);outline-offset:2px;border-radius:2px}.legal-note{color:var(--color-text-muted);font-size:.875rem}.case-view{background:var(--color-surface);border:1px solid var(--color-border);border-radius:10px;margin-bottom:1.25rem;padding:1.5rem 1.25rem;box-shadow:0 1px 2px #0000000a}.case-view__title{letter-spacing:.005em;margin:0 0 .85rem;font-size:1.2rem;line-height:1.4}.case-view__body{white-space:pre-wrap;margin:0;line-height:1.75}.actions{justify-content:flex-end;gap:.5rem;display:flex}.actions button{border:1px solid var(--color-border);background:var(--color-surface-muted);min-height:44px;color:var(--color-text);cursor:pointer;font:inherit;border-radius:6px;padding:.55rem 1.1rem;transition:border-color .15s,background .15s,transform 50ms}.actions button:hover:not(:disabled){border-color:var(--color-primary)}.actions button:active:not(:disabled){transform:translateY(1px)}.actions button:disabled{opacity:.6;cursor:not-allowed}.actions button:focus-visible,.answer-buttons__btn:focus-visible{outline:2px solid var(--color-focus-ring);outline-offset:2px}.answer-buttons{grid-template-columns:repeat(3,1fr);gap:.5rem;margin-bottom:1rem;display:grid}.answer-buttons__btn{border:1px solid var(--color-border);background:var(--color-surface);min-height:64px;color:var(--color-text);cursor:pointer;font:inherit;border-radius:8px;flex-direction:column;justify-content:center;align-items:center;gap:.25rem;padding:.85rem .5rem;transition:border-color .15s,background .15s,box-shadow .15s,transform 50ms;display:flex}.answer-buttons__btn:hover:not(:disabled){border-color:var(--color-primary);background:var(--color-surface-muted)}.answer-buttons__btn:active:not(:disabled){transform:translateY(1px)}.answer-buttons__btn--selected{border-color:var(--color-primary);background:var(--color-primary-bg);box-shadow:0 0 0 1px var(--color-primary) inset;border-width:2px;padding:calc(.85rem - 1px) calc(.5rem - 1px)}.answer-buttons__btn:disabled{opacity:.7;cursor:not-allowed}.answer-buttons__label{align-items:baseline;gap:.35rem;font-size:1.5rem;font-weight:700;line-height:1.1;display:inline-flex}.answer-buttons__letter{font-size:1.5rem}.answer-buttons__symbol{color:var(--color-primary);font-size:1.25rem}.answer-buttons__btn--selected .answer-buttons__symbol{color:var(--color-text)}.answer-buttons__name{color:var(--color-text);font-size:.9rem;font-weight:600}.answer-buttons__hint{color:var(--color-text-muted);text-align:center;font-size:.75rem}.explanation{background:var(--color-surface);border:1px solid var(--color-border);color:var(--color-text);border-left-width:4px;border-radius:10px;margin-bottom:1.25rem;padding:1.25rem 1.25rem 1.25rem 1.1rem;box-shadow:0 1px 2px #0000000a}.explanation--correct{border-left-color:var(--color-success)}.explanation--incorrect{border-left-color:var(--color-danger)}.explanation__header{flex-wrap:wrap;align-items:center;gap:.75rem;margin-bottom:.65rem;display:flex}.explanation__summary{color:var(--color-text-muted);font-size:.95rem;line-height:1.5}.explanation__body{white-space:pre-wrap;margin:0;line-height:1.75}.explanation__pattern-link{color:var(--color-primary);text-underline-offset:.12em;text-decoration:underline}.explanation__pattern-link:focus-visible{outline:2px solid var(--color-focus-ring);outline-offset:2px;border-radius:2px}.badge{border-radius:999px;padding:.15rem .6rem;font-size:.85rem;font-weight:700;display:inline-block}.badge--correct{background:var(--color-success);color:var(--color-on-success)}.badge--incorrect{background:var(--color-danger);color:var(--color-on-danger)}.explanation__actions{justify-content:flex-end;margin-top:.75rem;display:flex}.explanation__retry{border:1px solid var(--color-border);background:var(--color-surface-muted);min-height:44px;color:var(--color-text);cursor:pointer;font:inherit;border-radius:6px;padding:.55rem 1.1rem;transition:border-color .15s,transform 50ms}.explanation__retry:hover{border-color:var(--color-primary)}.explanation__retry:active{transform:translateY(1px)}.explanation__retry:focus-visible{outline:2px solid var(--color-focus-ring);outline-offset:2px}.history-view{background:var(--color-surface);border:1px solid var(--color-border);color:var(--color-text);border-radius:8px;margin-bottom:1rem;padding:.75rem 1rem}.history-view__title{color:var(--color-text-muted);margin:0 0 .5rem;font-size:.95rem;font-weight:600}.history-view__list{flex-wrap:wrap;gap:.4rem;margin:0;padding:0;list-style:none;display:flex}.history-view__empty{color:var(--color-text-muted);font-size:.9rem}.history-view__item{border:1px solid var(--color-border);background:var(--color-surface-muted);min-width:2.4rem;color:var(--color-text);border-radius:6px;align-items:center;gap:.2rem;padding:.2rem .5rem;font-size:.9rem;line-height:1.2;display:inline-flex}.history-view__item--correct{border-color:var(--color-success);background:var(--color-success-bg);color:var(--color-history-icon-correct)}.history-view__item--correct .history-view__mark{color:var(--color-history-icon-correct)}.history-view__item--correct .history-view__priority{color:var(--color-history-priority-correct)}.history-view__item--incorrect{border-color:var(--color-danger);background:var(--color-danger-bg);color:var(--color-history-icon-incorrect)}.history-view__item--incorrect .history-view__mark{color:var(--color-history-icon-incorrect)}.history-view__item--incorrect .history-view__priority{color:var(--color-history-priority-incorrect)}.history-view__mark{font-weight:700}.history-view__priority{color:var(--color-history-priority-neutral);font-size:.85rem;font-weight:700}.history-view__style{color:var(--color-text-muted);margin-left:.15rem;font-size:.75rem;font-weight:700}.history-view__style--quick{color:var(--color-primary,#2a7)}.history-view__style--deep{color:var(--color-text-muted)}.mode-selector{flex-wrap:wrap;align-items:center;gap:.4rem;margin-bottom:.75rem;display:flex}.mode-selector__label{color:var(--color-text-muted);margin-right:.25rem;font-size:.9rem}.mode-selector__btn{border:1px solid var(--color-border);background:var(--color-surface);color:var(--color-text);cursor:pointer;font:inherit;border-radius:999px;min-height:44px;padding:.35rem .85rem;font-size:.9rem}.mode-selector__btn:hover{border-color:var(--color-primary)}.mode-selector__btn:focus-visible{outline:2px solid var(--color-focus-ring);outline-offset:2px}.mode-selector__btn--selected{border-color:var(--color-primary);background:var(--color-primary-bg);font-weight:700}.history-limit{border:1px solid var(--color-border);background:var(--color-surface);border-radius:8px;flex-wrap:wrap;align-items:center;gap:.5rem .75rem;margin:0 0 .75rem;padding:.4rem .75rem;display:flex}.history-limit__legend{color:var(--color-text-muted);padding:0 .25rem;font-size:.9rem}.history-limit__option{cursor:pointer;align-items:center;gap:.25rem;font-size:.9rem;display:inline-flex}.history-limit__option input[type=radio]:focus-visible{outline:2px solid var(--color-focus-ring);outline-offset:2px}@media (width<=480px){.answer-buttons{grid-template-columns:1fr}.answer-buttons__btn{text-align:left;flex-direction:row;justify-content:flex-start;gap:.6rem;padding:.85rem}.answer-buttons__btn--selected{padding:calc(.85rem - 1px)}.answer-buttons__hint{text-align:left;margin-left:auto}.container{padding:1rem .75rem}.case-view{padding:1.25rem 1rem}.actions{justify-content:stretch}.actions button{flex:1;min-height:44px;padding:.75rem 1rem}.history-view__item{min-width:2.2rem;padding:.15rem .4rem;font-size:.85rem}}.app-header__top{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;display:flex}.app-header__controls{flex-wrap:wrap;align-items:center;gap:.5rem;display:inline-flex}.global-nav{margin-top:1rem}.global-nav__list{flex-wrap:wrap;gap:.5rem;margin:0;padding:0;list-style:none;display:flex}.global-nav__item{margin:0}.global-nav__link{border:1px solid var(--color-border);background:var(--color-surface);min-height:44px;color:var(--color-text);border-radius:999px;justify-content:center;align-items:center;padding:.55rem .95rem;font-size:.9rem;font-weight:600;text-decoration:none;display:inline-flex}.global-nav__link:hover{border-color:var(--color-primary);background:var(--color-primary-bg)}.global-nav__link:focus-visible{outline:2px solid var(--color-focus-ring);outline-offset:2px}.global-nav__link--active{border-color:var(--color-primary);background:var(--color-primary-bg);color:var(--color-primary)}.learning-style-toggle{border:1px solid var(--color-border);background:var(--color-surface);border-radius:999px;align-items:stretch;display:inline-flex;overflow:hidden}.learning-style-toggle__btn{appearance:none;color:var(--color-text);font:inherit;cursor:pointer;background:0 0;border:none;min-height:44px;padding:.35rem .85rem;font-size:.85rem;line-height:1.2;position:relative}.learning-style-toggle__btn+.learning-style-toggle__btn{border-left:1px solid var(--color-border)}.learning-style-toggle__btn:hover{background:var(--color-surface-muted)}.learning-style-toggle__btn:focus-visible{outline:2px solid var(--color-focus-ring);outline-offset:-2px}.learning-style-toggle__btn--selected{background:var(--color-primary);color:var(--color-on-primary);font-weight:600}.learning-style-toggle__btn--selected:hover{background:var(--color-primary)}.learning-style-toggle__btn:disabled{opacity:.5;cursor:not-allowed}.exam-timer{border:1px solid var(--color-border);background:var(--color-surface);color:var(--color-text);border-radius:999px;flex-wrap:wrap;align-items:baseline;gap:.5rem;padding:.4rem .85rem;font-weight:600;display:inline-flex}.exam-timer__caption{color:var(--color-text-muted);font-size:.8rem}.exam-timer__value{font-variant-numeric:tabular-nums;letter-spacing:.02em;font-size:1.05rem}.exam-timer__badge{background:var(--color-on-danger);color:var(--color-danger-text);border:1px solid var(--color-danger);border-radius:999px;padding:.1rem .4rem;font-size:.75rem}.exam-timer--warning{border-color:var(--color-danger);background:var(--color-danger-bg);color:var(--color-danger-text)}.exam-timer--warning .exam-timer__caption{color:var(--color-danger-text)}.writing-input__skip-row{justify-content:flex-end;margin-bottom:-.25rem;display:flex}.writing-input__skip{appearance:none;color:var(--color-primary);font:inherit;cursor:pointer;background:0 0;border:none;padding:.2rem .4rem;font-size:.85rem;text-decoration:underline}.writing-input__skip:hover{color:var(--color-primary);opacity:.8}.writing-input__skip:focus-visible{outline:2px solid var(--color-focus-ring);outline-offset:2px;border-radius:2px}.writing-input__skip:disabled{color:var(--color-text-muted);cursor:not-allowed;text-decoration:none}.score-counter__style{background:var(--color-primary-bg);color:var(--color-text);border-radius:999px;align-items:baseline;gap:.25rem;margin-left:.6rem;padding:.1rem .5rem;font-size:.85rem;font-weight:600;display:inline-flex}.score-counter__style-label{color:var(--color-primary);margin-right:.15rem;font-size:.75rem;font-weight:700}.theme-toggle{border:1px solid var(--color-border);background:var(--color-surface);color:var(--color-text);cursor:pointer;font:inherit;border-radius:999px;align-items:center;gap:.4rem;padding:.35rem .75rem;font-size:.9rem;display:inline-flex}.theme-toggle:hover{border-color:var(--color-primary)}.theme-toggle:focus-visible{outline:2px solid var(--color-focus-ring);outline-offset:2px}.theme-toggle__icon{font-size:1.05rem;line-height:1}.writing-input{flex-direction:column;gap:1rem;margin-top:1rem;display:flex}.writing-input__field{flex-direction:column;gap:.25rem;display:flex}.writing-input__label{color:var(--color-text);font-size:.95rem;font-weight:600}.writing-input__textarea{border:1px solid var(--color-border);background:var(--color-surface);width:100%;color:var(--color-text);resize:vertical;border-radius:6px;min-height:5.5rem;padding:.5rem .75rem;font-family:inherit;font-size:.95rem;line-height:1.5}.writing-input__textarea:focus-visible{outline:2px solid var(--color-focus-ring);outline-offset:2px;border-color:var(--color-primary)}.writing-input__textarea:disabled{background:var(--color-surface-muted);color:var(--color-text-muted);cursor:not-allowed}.writing-input__count{color:var(--color-text-muted);align-self:flex-end;font-size:.8rem}.writing-input__count--over{color:var(--color-danger-text);font-weight:700}.writing-input__notice{color:var(--color-text-muted);margin:.25rem 0 0;font-size:.8rem}.writing-preview{border:1px solid var(--color-border);background:var(--color-surface);border-radius:6px;margin-top:1rem;padding:.75rem 1rem}.writing-preview--empty{background:var(--color-surface-muted)}.writing-preview__empty{color:var(--color-text-muted);margin:0;font-size:.9rem}.writing-preview__list{flex-direction:column;gap:.75rem;margin:0;display:flex}.writing-preview__item{flex-direction:column;gap:.25rem;display:flex}.writing-preview__term{color:var(--color-text);font-size:.95rem;font-weight:600}.writing-preview__desc{color:var(--color-text);white-space:pre-wrap;word-break:break-word;margin:0;font-size:.95rem;line-height:1.5}.writing-preview__blank{color:var(--color-text-muted);font-style:italic}.model-answer{border:1px solid var(--color-border);border-left-width:4px;border-left-color:var(--color-primary);background:var(--color-surface);color:var(--color-text);border-radius:6px;margin-top:1rem;padding:.75rem 1rem}.model-answer--empty{background:var(--color-surface-muted);border-left-color:var(--color-border-strong)}.model-answer__empty{color:var(--color-text-muted);margin:0;font-size:.9rem}.model-answer__title{color:var(--color-text-muted);margin:0 0 .5rem;font-size:.95rem;font-weight:600}.model-answer__list{flex-direction:column;gap:.6rem;margin:0;display:flex}.model-answer__item{flex-direction:column;gap:.2rem;display:flex}.model-answer__term{color:var(--color-text);font-size:.95rem;font-weight:600}.model-answer__desc{color:var(--color-text);white-space:pre-wrap;word-break:break-word;margin:0;font-size:.95rem;line-height:1.5}.exam-result{border:1px solid var(--color-border);background:var(--color-bg);color:var(--color-text);border-radius:8px;flex-direction:column;gap:1.25rem;padding:1.25rem;display:flex}.exam-result__heading{margin:0;font-size:1.25rem;font-weight:700}.exam-result__stats{flex-wrap:wrap;gap:1rem 2rem;margin:0;display:flex}.exam-result__stat{flex-direction:column;gap:.25rem;min-width:8rem;display:flex}.exam-result__stat dt{color:var(--color-text-muted,var(--color-text));font-size:.85rem}.exam-result__stat dd{margin:0;font-size:1.1rem}.exam-result__stat strong{font-size:1.5rem;font-weight:700}.exam-result__sub{color:var(--color-text-muted,var(--color-text));margin-left:.5rem;font-size:.9rem}.exam-result__breakdown-heading{margin:0 0 .5rem;font-size:1rem;font-weight:600}.exam-result__priority-list{flex-direction:column;gap:.25rem;margin:0;display:flex}.exam-result__priority-row{border-bottom:1px dashed var(--color-border);justify-content:space-between;gap:1rem;padding:.25rem 0;display:flex}.exam-result__priority-row dt,.exam-result__priority-row dd{margin:0}.exam-result__actions{flex-wrap:wrap;gap:.5rem;display:flex}.exam-result__btn{border:1px solid var(--color-border);background:var(--color-bg);color:var(--color-text);cursor:pointer;border-radius:6px;min-height:44px;padding:.5rem 1rem;font-size:1rem}.exam-result__btn--primary{background:var(--color-accent,#2563eb);color:#fff;border-color:#0000}.exam-result__btn:focus-visible{outline:2px solid var(--color-accent,#2563eb);outline-offset:2px}.exam-result__answer-summary{flex-wrap:wrap;align-items:center;gap:.5rem;display:flex}.exam-result__detail-toggle{border:1px solid var(--color-border);background:var(--color-bg);color:var(--color-text);cursor:pointer;border-radius:6px;min-height:44px;margin-left:auto;padding:.4rem .9rem;font-size:.95rem}.exam-result__detail-toggle:focus-visible{outline:2px solid var(--color-focus-ring);outline-offset:2px}.exam-result__detail-panel{border:1px solid var(--color-border);background:var(--color-surface-muted);word-break:break-word;overflow-wrap:anywhere;border-radius:8px;max-width:100%;margin-top:.5rem;padding:1rem}.exam-result__detail-heading{margin:0 0 .4rem;font-size:1rem}.exam-result__detail-body{white-space:pre-wrap;margin:0 0 .6rem}.exam-result__detail-meta{flex-wrap:wrap;gap:.5rem 1rem;margin:0 0 .6rem;display:flex}.exam-result__detail-meta dt{font-size:.85rem;font-weight:700}.exam-result__detail-meta dd{margin:0}.exam-result__detail-explanation,.exam-result__detail-model{margin-top:.5rem}.exam-result__detail-explanation h5,.exam-result__detail-model h5{margin:0 0 .25rem;font-size:.95rem}.exam-result__detail-explanation p,.exam-result__detail-model p{white-space:pre-wrap;margin:0}.exam-result__detail-model dl{margin:0}.exam-result__detail-model dt{margin-top:.3rem;font-weight:700}.exam-result__detail-model dd{white-space:pre-wrap;margin:0 0 .2rem}.exam-result__detail-fallback{color:var(--color-text-muted);margin:0;font-style:italic}.exam-result__detail-actions{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.5rem;margin-top:.75rem;display:flex}.exam-result__detail-nav{flex-wrap:wrap;gap:.5rem;display:inline-flex}.exam-result__detail-prev,.exam-result__detail-next,.exam-result__detail-back{border:1px solid var(--color-border);background:var(--color-bg);color:var(--color-text);cursor:pointer;border-radius:6px;min-height:44px;padding:.4rem .9rem;font-size:.95rem}.exam-result__detail-prev:disabled,.exam-result__detail-next:disabled{opacity:.6;cursor:not-allowed}.exam-result__detail-prev:focus-visible,.exam-result__detail-next:focus-visible,.exam-result__detail-back:focus-visible{outline:2px solid var(--color-focus-ring);outline-offset:2px}.exam-result__detail-back{margin-left:auto}.pattern-list{flex-direction:column;gap:.4rem;margin:0;padding:0;list-style:none;display:flex}.pattern-list__item-wrap{margin:0;padding:0}.pattern-list__item{border:1px solid var(--color-border);background:var(--color-surface);width:100%;color:var(--color-text);cursor:pointer;font:inherit;text-align:left;border-radius:8px;align-items:center;gap:.6rem;min-height:44px;padding:.6rem .75rem;transition:border-color .15s,background .15s;display:flex}.pattern-list__item:hover{border-color:var(--color-primary);background:var(--color-primary-bg)}.pattern-list__item:focus-visible{outline:2px solid var(--color-focus-ring);outline-offset:2px}.pattern-list__num{color:var(--color-text-muted);flex-shrink:0;min-width:5rem;font-size:.8rem}.pattern-list__name{flex:1;font-weight:500}.pattern-list__badge{border-radius:999px;flex-shrink:0;padding:.1rem .5rem;font-size:.75rem;font-weight:600;display:inline-block}.pattern-list__badge--A{background:var(--color-danger-bg);color:var(--color-danger-text)}.pattern-list__badge--B{background:var(--color-primary-bg);color:var(--color-primary)}.pattern-list__badge--C{background:var(--color-surface-muted);color:var(--color-text-muted)}.pattern-list__badge--situational{background:var(--color-success-bg);color:var(--color-success-text)}.pattern-detail__badge{border-radius:999px;padding:.2rem .75rem;font-size:.9rem;font-weight:600;display:inline-block}.pattern-detail__badge--A{background:var(--color-danger-bg);color:var(--color-danger-text)}.pattern-detail__badge--B{background:var(--color-primary-bg);color:var(--color-primary)}.pattern-detail__badge--C{background:var(--color-surface-muted);color:var(--color-text-muted)}.pattern-detail__badge--situational{background:var(--color-success-bg);color:var(--color-success-text)}@media (width<=480px){.pattern-list__item{flex-wrap:wrap;align-items:flex-start}.pattern-list__num{min-width:auto}.pattern-list__badge{margin-left:auto}.exam-result__detail-toggle{font-size:.9rem}.exam-result__detail-heading{font-size:.95rem}.exam-result__detail-body,.exam-result__detail-explanation p,.exam-result__detail-model dd,.exam-result__detail-explanation h5,.exam-result__detail-model h5{font-size:.9rem}.exam-result__detail-meta dt,.exam-result__detail-model dt{font-size:.85rem}}.feedback-view__suggestion{border-left:3px solid var(--color-primary);background:var(--color-surface-muted);color:var(--color-text);border-radius:4px;flex-wrap:wrap;align-items:baseline;gap:.25rem;margin:.35rem 0 0;padding:.45rem .7rem;font-size:.9rem;line-height:1.55;display:flex}.feedback-view__suggestion-icon{font-size:1rem}.feedback-view__suggestion-label{color:var(--color-text);font-weight:600}.feedback-view__suggestion-text{word-break:break-word}.confirm-dialog{z-index:1000;display:contents;position:fixed;inset:0}.confirm-dialog__backdrop{background:#00000073;position:fixed;inset:0}.confirm-dialog__viewport{justify-content:center;align-items:center;padding:1rem;display:flex;position:fixed;inset:0}.confirm-dialog__panel{background:var(--color-surface);border:1px solid var(--color-border);width:100%;max-width:440px;color:var(--color-text);border-radius:10px;outline:none;padding:1.5rem;position:relative;box-shadow:0 4px 16px #0000002e,0 1px 4px #0000001a}.confirm-dialog__header{margin-bottom:.75rem}.confirm-dialog__title{color:var(--color-text);margin:0;font-size:1.1rem;font-weight:700}.confirm-dialog__description{color:var(--color-text-muted);margin:0 0 1.25rem;font-size:.95rem;line-height:1.55}.confirm-dialog__actions{flex-wrap:wrap;justify-content:flex-end;gap:.5rem;display:flex}.confirm-dialog__button{border:1px solid var(--color-border);background:var(--color-surface-muted);color:var(--color-text);font:inherit;cursor:pointer;border-radius:6px;min-width:5rem;min-height:44px;padding:.45rem 1rem;font-size:.95rem}.confirm-dialog__button:focus-visible{outline:2px solid var(--color-focus-ring);outline-offset:2px}.confirm-dialog__button--primary{background:var(--color-primary);color:var(--color-on-primary);border-color:#0000}.confirm-dialog__button--primary:hover{opacity:.9}.confirm-dialog__button--danger{background:var(--color-danger);color:var(--color-on-danger);border-color:#0000}.confirm-dialog__button--danger:hover{opacity:.9}.confirm-dialog__button--secondary{background:var(--color-surface-muted);color:var(--color-text)}.confirm-dialog__button--secondary:hover{border-color:var(--color-primary)}@media (width<=480px){.confirm-dialog__actions{flex-direction:column}.confirm-dialog__button{width:100%}}.learning-style-toggle__sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.ad-slot--header,.ad-slot--footer{box-sizing:border-box;border:1px dashed var(--color-border);background:var(--color-surface);border-radius:6px;max-width:100%;min-height:50px;margin:1rem 0;padding:.5rem;display:block}.ad-slot--header{margin-top:.5rem;margin-bottom:1.5rem}.ad-slot--footer{margin-top:1.5rem;margin-bottom:1rem}@media (width<=480px){.ad-slot--header,.ad-slot--footer{margin-left:0;margin-right:0;padding:.5rem .25rem}}