*{box-sizing:border-box}
html{min-height:100%;background:var(--canvas);overscroll-behavior:none}
body{margin:0;min-height:100dvh;background:var(--canvas);color:var(--ink);font:16px/1.62 var(--font-ui);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}
button,input,textarea,select{font:inherit}
button{color:inherit;touch-action:manipulation}
a{color:inherit}
img{max-width:100%;height:auto}
[hidden]{display:none!important}
button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,a:focus-visible{outline:3px solid color-mix(in srgb,var(--accent) 35%,transparent);outline-offset:2px}
.app{min-height:100dvh;padding-top:calc(var(--header-h) + var(--safe-top));padding-bottom:calc(var(--nav-h) + var(--safe-bottom))}
.mobile-header{position:fixed;z-index:40;left:0;right:0;top:0;height:calc(var(--header-h) + var(--safe-top));padding-top:var(--safe-top);display:flex;align-items:center;border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--canvas) 96%,transparent)}
.header-inner{width:100%;height:var(--header-h);display:flex;align-items:center;gap:12px;padding:0 18px}
.brand-button{border:0;background:none;display:flex;align-items:center;gap:9px;padding:5px 0;min-height:44px}
.brand-button img,.side-brand img{width:34px;height:34px;object-fit:contain}
.brand-button strong,.side-brand strong{font-size:16px;letter-spacing:.01em}
.header-spacer{flex:1}
.icon-button{width:44px;height:44px;border:0;border-radius:50%;background:transparent;display:grid;place-items:center}
.icon-button:active{background:var(--surface-2)}
.icon-button svg{width:21px;height:21px;stroke-width:1.7}
.sidebar{display:none}
.main{width:min(100%,var(--content-max));margin:auto;padding:26px 18px 54px;min-width:0}
.view{animation:view-in var(--motion) var(--ease) both}
@keyframes view-in{from{opacity:.99;transform:translateX(7px)}to{opacity:1;transform:none}}
.page-head{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;margin-bottom:28px}
.page-head>div{min-width:0}
.page-title{font-size:28px;line-height:1.2;letter-spacing:-.025em;margin:0;font-weight:760}
.page-kicker{font-size:13px;color:var(--muted);line-height:1.6;margin:7px 0 0;max-width:42em}
.page-action{flex:0 0 auto}
.section{margin:0 0 34px}
.section-head{display:flex;align-items:center;justify-content:space-between;gap:14px;margin:0 0 12px}
.section-title{font-size:14px;line-height:1.4;font-weight:720;letter-spacing:.035em;margin:0;color:var(--muted)}
.section-note{font-size:12px;color:var(--muted);line-height:1.55}
.rule{height:1px;background:var(--line);margin:20px 0}
.primary-button,.secondary-button,.quiet-button,.danger-button{min-height:50px;border-radius:14px;padding:0 17px;border:1px solid transparent;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;white-space:nowrap}
.primary-button{background:var(--accent);color:#fff}
.primary-button:active{background:var(--accent-strong);transform:scale(.99)}
.secondary-button{background:var(--surface);border-color:var(--line)}
.secondary-button:active{background:var(--surface-2)}
.quiet-button{min-height:44px;background:transparent;border:0;color:var(--accent-strong);padding:0 4px}
.danger-button{background:transparent;border-color:color-mix(in srgb,var(--danger) 45%,var(--line));color:var(--danger)}
.block{width:100%}
.text-link{border:0;background:none;color:var(--accent-strong);padding:4px 0;font-weight:680;min-height:36px}
.input,.textarea,.select{width:100%;border:1px solid var(--line);border-radius:13px;background:var(--surface);color:var(--ink);padding:12px 13px;box-shadow:none;min-height:48px}
.textarea{min-height:128px;resize:vertical;line-height:1.7}
.input:focus,.textarea:focus,.select:focus{border-color:var(--accent);outline:none;box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 15%,transparent)}
.field{display:grid;gap:7px}
.field+.field{margin-top:17px}
.field-label{font-size:13px;font-weight:680}
.field-help{font-size:12px;color:var(--muted);line-height:1.55}
.form-grid{display:grid;gap:16px}
.bottom-nav{position:fixed;z-index:45;left:0;right:0;bottom:0;height:calc(var(--nav-h) + var(--safe-bottom));padding:7px 8px var(--safe-bottom);display:flex;border-top:1px solid var(--line);background:color-mix(in srgb,var(--surface) 97%,transparent)}
.nav-inner{width:min(100%,600px);height:58px;margin:auto;display:grid;grid-template-columns:repeat(4,1fr)}
.nav-button{position:relative;border:0;background:transparent;color:var(--muted);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;font-size:11px;font-weight:650;min-width:0}
.nav-button svg{width:20px;height:20px;stroke-width:1.65}
.nav-button.active{color:var(--accent-strong)}
.nav-button.active:before{content:"";position:absolute;top:-7px;width:20px;height:2px;border-radius:3px;background:var(--accent)}
.stage-hero{padding:2px 0 25px;border-bottom:1px solid var(--line)}
.stage-eyebrow{font-size:12px;color:var(--accent-strong);font-weight:730;letter-spacing:.06em}
.stage-title{font-size:31px;line-height:1.22;margin:8px 0 5px;font-weight:770;letter-spacing:-.03em}
.stage-meta{font-size:13px;color:var(--muted)}
.continue-section{padding:27px 0;border-bottom:1px solid var(--line)}
.continue-label{font-size:12px;color:var(--muted);font-weight:680}
.continue-title{font-family:var(--font-kai);font-size:24px;line-height:1.45;margin:8px 0 7px}
.continue-copy{font-size:13px;color:var(--muted);margin-bottom:18px}
.quick-actions{display:grid;grid-template-columns:repeat(3,1fr);border-bottom:1px solid var(--line)}
.quick-action{min-height:64px;border:0;border-right:1px solid var(--line);background:transparent;font-size:13px;font-weight:680}
.quick-action:last-child{border-right:0}
.quick-action:active{background:var(--surface-2)}
.today-row{display:flex;align-items:center;gap:16px;padding:18px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);text-align:left;width:100%;background:transparent;border-left:0;border-right:0}
.today-copy{min-width:0;flex:1}
.today-copy small{display:block;color:var(--accent-strong);font-size:11px;font-weight:720;margin-bottom:4px}
.today-copy strong{display:block;font-size:16px;line-height:1.45}
.today-copy span{display:block;color:var(--muted);font-size:12px;margin-top:3px}
.chevron{font-size:22px;color:var(--muted)}
.metrics-line{font-size:14px;color:var(--muted);line-height:1.8}
.metrics-line strong{color:var(--ink);font-weight:720}
.stage-rail{display:grid;grid-template-columns:repeat(4,1fr);gap:7px;margin-top:16px}
.stage-step{position:relative;padding-top:12px;font-size:11px;color:var(--muted)}
.stage-step:before{content:"";position:absolute;left:0;right:0;top:0;height:2px;background:var(--line)}
.stage-step.current{color:var(--ink);font-weight:700}
.stage-step.current:before,.stage-step.done:before{background:var(--accent)}
.filter-row{display:flex;align-items:center;gap:10px;margin-bottom:20px}
.filter-row .select{max-width:210px}
.search-field{flex:1;min-width:0}
.list{border-top:1px solid var(--line)}
.list-row{width:100%;min-height:68px;padding:13px 0;border:0;border-bottom:1px solid var(--line);background:transparent;display:flex;align-items:center;gap:12px;text-align:left}
.list-row:active{background:var(--surface-2)}
.row-main{flex:1;min-width:0}
.row-title{display:block;font-size:15px;font-weight:710;line-height:1.42;white-space:normal}
.row-sub{display:block;font-size:12px;color:var(--muted);line-height:1.5;margin-top:3px;overflow-wrap:anywhere}
.row-meta{font-size:11px;color:var(--muted);margin-top:5px}
.empty{padding:42px 0 28px;text-align:left}
.empty h2,.empty h3{font-size:21px;margin:0 0 8px}
.empty p{color:var(--muted);font-size:14px;max-width:34em;margin:0 0 20px}
.chips{display:flex;gap:7px;overflow-x:auto;padding:2px 0 6px;scrollbar-width:none}
.chips::-webkit-scrollbar{display:none}
.chip{flex:0 0 auto;border:1px solid var(--line);background:transparent;border-radius:999px;padding:8px 12px;font-size:12px;color:var(--muted)}
.chip.active{background:var(--ink);border-color:var(--ink);color:var(--canvas)}
.article-body{font-family:var(--font-kai);font-size:18px;line-height:1.9}
.article-actions{display:flex;gap:9px;flex-wrap:wrap;margin:18px 0}
.entry{padding:17px 0;border-top:1px solid var(--line)}
.entry-type{font-size:11px;color:var(--accent-strong);font-weight:700}
.entry-body{white-space:pre-wrap;font-size:15px;line-height:1.7;margin-top:5px}
.entry-actions{display:flex;gap:14px;margin-top:8px}
.sheet-root{position:fixed;z-index:100;inset:0;pointer-events:none}
.sheet-root.active{pointer-events:auto}
.backdrop{position:absolute;inset:0;background:rgba(38,31,27,.24);opacity:0;transition:opacity var(--motion-sheet) var(--ease)}
.sheet-root.active .backdrop{opacity:1}
.sheet{position:absolute;left:0;right:0;bottom:0;max-height:calc(92dvh - var(--safe-top));overflow:hidden;background:var(--surface);border-radius:24px 24px 0 0;box-shadow:var(--shadow);transform:translateY(102%);transition:transform var(--motion-sheet) var(--ease);padding:8px 18px calc(18px + var(--safe-bottom))}
.sheet-root.active .sheet{transform:none}
.sheet-handle{width:44px;height:4px;border-radius:4px;background:var(--line-strong);margin:3px auto 14px}
.sheet-head{display:flex;align-items:flex-start;gap:12px;margin-bottom:15px}
.sheet-head>div{flex:1;min-width:0}
.sheet-title{font-size:21px;line-height:1.25;font-weight:760;margin:0}
.sheet-sub{font-size:12px;color:var(--muted);margin-top:4px}
.sheet-close{width:44px;height:44px;border:0;border-radius:50%;background:transparent;font-size:22px}
.sheet-body{overflow:auto;max-height:calc(92dvh - 190px);padding-bottom:14px}
.sheet-actions{display:flex;gap:9px;position:sticky;bottom:0;background:var(--surface);padding-top:12px}
.sheet-actions>*{flex:1}
.toast-stack{position:fixed;z-index:150;left:16px;right:16px;bottom:calc(var(--nav-h) + var(--safe-bottom) + 15px);display:grid;gap:8px;pointer-events:none}
.toast{justify-self:center;background:var(--ink);color:var(--canvas);padding:10px 14px;border-radius:12px;font-size:13px;box-shadow:var(--shadow);animation:toast-in 160ms var(--ease)}
@keyframes toast-in{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:none}}
.account-gate{position:fixed;z-index:200;inset:0;background:var(--canvas);overflow:auto;padding:calc(26px + var(--safe-top)) 20px calc(28px + var(--safe-bottom))}
.onboarding{width:min(100%,460px);margin:auto;min-height:calc(100dvh - 70px);display:flex;flex-direction:column}
.onboarding-brand{display:flex;align-items:center;gap:10px;font-weight:750}
.onboarding-brand img{width:37px;height:37px}
.onboarding-content{margin:auto 0;padding:48px 0}
.onboarding-content h1{font-size:34px;line-height:1.18;letter-spacing:-.035em;margin:0 0 12px}
.onboarding-content>p{font-size:15px;color:var(--muted);margin:0 0 30px}
.avatar-picker{display:flex;align-items:center;gap:14px;margin-bottom:20px}
.avatar{width:58px;height:58px;border-radius:50%;object-fit:cover;background:var(--surface-2);border:1px solid var(--line)}
.avatar.small{width:38px;height:38px}
.avatar-button{border:0;background:transparent;padding:0;border-radius:50%}
.progress-dots{display:flex;gap:6px;margin-bottom:24px}
.progress-dots i{width:26px;height:3px;border-radius:3px;background:var(--line)}
.progress-dots i.active{background:var(--accent)}
.handwriting-layout{display:grid;gap:20px}
.glyph-panel{display:grid;grid-template-columns:145px 38px 1fr;align-items:center;gap:12px}
.display-glyph{font-size:108px;line-height:1;text-align:center;font-family:var(--font-kai)}
.zhuyin{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:23px;line-height:1.08;min-height:95px}
.zhuyin-tone{position:absolute;right:-7px;bottom:16px;font-size:17px;color:var(--muted)}
.pinyin{color:var(--muted);font-size:14px}
.stroke-preview{width:100%;aspect-ratio:2.2/1;border:1px solid var(--line);border-radius:14px;background:#fff}
.trace-wrap{position:relative;width:min(100%,520px);aspect-ratio:1;margin:auto;background:#fff;border:1px solid #D8C8BE;border-radius:16px;overflow:hidden}
.trace-canvas{width:100%;height:100%;touch-action:none}
.trace-tools{display:flex;gap:8px;flex-wrap:wrap}
.exam-year-list{display:grid;grid-template-columns:repeat(5,1fr);gap:7px}
.year-button{border:1px solid var(--line);background:var(--surface);border-radius:12px;min-height:48px;font-weight:720}
.year-button.active{border-color:var(--accent);background:var(--accent-soft);color:var(--accent-strong)}
.exam-group{margin-top:24px}
.exam-question-row{display:flex;align-items:center;gap:12px;min-height:58px;padding:10px 0;border-bottom:1px solid var(--line);text-align:left;width:100%;background:transparent;border-left:0;border-right:0;border-top:0}
.exam-number{width:48px;color:var(--accent-strong);font-weight:750}
.exam-viewer{height:min(64dvh,720px);border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff}
.exam-viewer object,.exam-viewer embed{width:100%;height:100%;border:0}
.exam-meta{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}
.source-badge{font-size:11px;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:5px 8px}
.answer-panel{padding:18px 0;border-top:1px solid var(--line)}
.answer-panel h3{font-size:15px;margin:0 0 7px}
.answer-panel p{font-size:14px;color:var(--muted);margin:0;white-space:pre-wrap}
.report-preview{background:#D7D1CC;border-radius:16px;padding:10px;overflow:auto;max-height:70dvh}
.report-page{width:210mm;min-height:297mm;background:#fff;color:#222;margin:0 auto 12px;padding:17mm;font-family:var(--font-kai);position:relative}
.settings-group{margin-bottom:28px}
.settings-title{font-size:12px;color:var(--muted);font-weight:720;letter-spacing:.06em;margin:0 0 7px}
.settings-list{border-top:1px solid var(--line)}
.settings-row{width:100%;min-height:66px;border:0;border-bottom:1px solid var(--line);background:transparent;display:flex;align-items:center;gap:12px;padding:10px 0;text-align:left}
.settings-copy{flex:1;min-width:0}
.settings-name{display:block;font-size:15px;font-weight:700}
.settings-desc{display:block;font-size:11px;color:var(--muted);line-height:1.45;margin-top:2px}
.settings-status{font-size:12px;color:var(--muted);max-width:95px;text-align:right;overflow:hidden;text-overflow:ellipsis}
@media(min-width:900px) and (orientation:landscape){
  :root{--nav-h:0px;--header-h:0px}
  .app{padding:0 0 0 216px}
  .mobile-header,.bottom-nav{display:none}
  .sidebar{display:block;position:fixed;z-index:45;left:0;top:0;bottom:0;width:216px;padding:22px 14px;background:var(--surface);border-right:1px solid var(--line)}
  .side-brand{display:flex;align-items:center;gap:9px;height:54px;padding:0 10px;margin-bottom:20px}
  .side-nav{display:grid;gap:4px}
  .side-nav .nav-button{height:48px;flex-direction:row;justify-content:flex-start;padding:0 12px;gap:11px;border-radius:11px;font-size:14px}
  .side-nav .nav-button.active{background:var(--accent-soft)}
  .side-nav .nav-button.active:before{display:none}
  .main{padding:36px 34px 70px}
  .sheet{left:50%;right:auto;bottom:24px;width:min(660px,calc(100vw - 270px));border-radius:24px;transform:translate(-50%,calc(100% + 34px));padding-bottom:18px}
  .sheet-root.active .sheet{transform:translate(-50%,0)}
  .toast-stack{left:240px;bottom:20px}
  .handwriting-layout{grid-template-columns:minmax(0,1fr) 330px;align-items:start}
}
@media(max-width:520px){
  .page-head{display:grid;gap:12px}
  .page-action{justify-self:start}
  .stage-title{font-size:29px}
  .exam-year-list{grid-template-columns:repeat(3,1fr)}
  .glyph-panel{grid-template-columns:118px 34px 1fr}
  .display-glyph{font-size:88px}
  .sheet-actions{flex-wrap:wrap}
}
@media(prefers-reduced-motion:reduce){
  *,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* 1.0.1 — official exam reader */
.exam-paper-switch{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:14px}
.exam-paper-button{min-height:48px;border:1px solid var(--line);border-radius:14px;background:transparent;color:var(--ink);font:700 14px/1.2 var(--ui);display:flex;align-items:center;justify-content:center;gap:7px}
.exam-paper-button small{font-size:11px;color:var(--muted);font-weight:600}
.exam-paper-button.active{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.exam-paper-button.active small{color:inherit;opacity:.72}
.exam-source-section{margin-top:18px}
.exam-document-switch{display:flex;gap:6px;overflow-x:auto;padding-bottom:3px;scrollbar-width:none}
.exam-document-switch::-webkit-scrollbar{display:none}
.exam-doc-button{flex:0 0 auto;min-height:40px;padding:0 15px;border:1px solid var(--line);border-radius:999px;background:transparent;color:var(--muted);font:700 13px/1 var(--ui)}
.exam-doc-button.active{background:var(--accent-soft);border-color:var(--accent);color:var(--accent-strong)}
.exam-document-head{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:13px 1px 9px;color:var(--muted);font-size:12px}
.exam-document-head span{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.text-button{color:var(--accent-strong);font-weight:700;text-decoration:none;white-space:nowrap}
.exam-answer-summary{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:20px 0;margin-top:26px}
.exam-answer-summary p{margin:8px 0 10px;font-size:15px;line-height:1.65}
.check-row{display:flex;gap:10px;align-items:center;margin:16px 0 20px;font-size:14px}
.answer-panel{border-top:1px solid var(--line);padding:18px 0 2px;margin-top:14px}
.answer-panel h3{font-size:14px;margin:0 0 8px}
.answer-panel p{font-size:14px;line-height:1.7;color:var(--ink);margin:0}
.list-row.expanded{background:var(--surface2)}
@media(max-width:560px){
 .exam-year-list{grid-template-columns:repeat(5,minmax(0,1fr));gap:5px}
 .year-button{min-width:0;padding:0;font-size:12px}
 .exam-viewer{height:58dvh;min-height:420px;border-radius:12px}
 .exam-document-head{align-items:flex-start}
}

.guide-list{margin:8px 0 0;padding-left:1.3em;display:grid;gap:8px;color:var(--ink);line-height:1.65}.guide-list li::marker{color:var(--brand)}

/* 1.0.2 — 官方歷屆題逐題閱讀器與 editorial flow */
.exam-detail-view{max-width:100%}
.exam-year-list{display:flex;gap:0;overflow-x:auto;border-bottom:1px solid var(--line);scrollbar-width:none}
.exam-year-list::-webkit-scrollbar{display:none}
.year-button{flex:1 0 64px;min-height:46px;border:0;border-radius:0;background:transparent;color:var(--muted);position:relative}
.year-button.active{background:transparent;color:var(--ink)}
.year-button.active:after{content:"";position:absolute;left:18px;right:18px;bottom:-1px;height:2px;background:var(--accent);border-radius:2px}
.exam-question-row{transition:background var(--motion-fast) var(--ease)}
.exam-question-row:hover{background:color-mix(in srgb,var(--surface-2) 48%,transparent)}
.exam-number{width:44px;font-size:13px;font-variant-numeric:tabular-nums}
.exam-source-section{margin-top:4px}
.official-exam-reader-host{min-height:300px}
.official-reader{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--surface);overflow:hidden}
.official-reader-toolbar{position:sticky;top:0;z-index:3;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 0;background:color-mix(in srgb,var(--surface) 96%,transparent);border-bottom:1px solid var(--line)}
.official-reader-mode,.official-reader-tools{display:flex;align-items:center;gap:4px}
.reader-mode,.reader-tool{min-height:38px;border:0;background:transparent;border-radius:10px;padding:0 11px;color:var(--muted);font-size:12px;font-weight:700}
.reader-mode.active{background:var(--accent-soft);color:var(--accent-strong)}
.reader-tool:active,.reader-mode:active{background:var(--surface-2)}
.official-reader-status{padding:9px 2px;color:var(--muted);font-size:11px;line-height:1.45}
.official-reader-page{background:#EEEAE6;padding:10px 0;overflow:hidden}
.official-reader-canvas-wrap{width:100%;max-height:min(72dvh,820px);overflow:auto;overscroll-behavior:contain;touch-action:pan-x pan-y pinch-zoom;display:flex;align-items:flex-start;justify-content:flex-start;background:#EEEAE6}
.official-reader-canvas-wrap canvas{display:block;margin:0 auto;background:#fff;box-shadow:0 6px 22px rgba(42,34,29,.12);max-width:none}
.official-reader-text{max-height:min(68dvh,760px);overflow:auto;padding:18px 2px 22px;background:var(--surface)}
.official-text-kicker{font-size:11px;color:var(--muted);margin-bottom:13px}
.official-reader-text pre{margin:0;white-space:pre-wrap;word-break:break-word;font:16px/1.9 var(--font-kai);color:var(--ink)}
.official-reader-fallback{padding:32px 0;text-align:left}
.official-reader-fallback p{color:var(--muted);margin:0 0 18px}
.exam-workspace{padding-top:8px}
.exam-hints-section .list{margin-bottom:14px}
.exam-explanation{scroll-margin-top:calc(var(--header-h) + var(--safe-top) + 12px)}
.exam-choice-audit{display:grid;gap:0}
.exam-choice-row{display:grid;grid-template-columns:28px 1fr;gap:12px;padding:13px 0;border-top:1px solid var(--line)}
.exam-choice-row:first-child{border-top:0}
.exam-choice-row>strong{width:28px;height:28px;border:1px solid var(--line);border-radius:50%;display:grid;place-items:center;font-size:12px;color:var(--muted)}
.exam-choice-row.correct>strong{background:var(--accent);border-color:var(--accent);color:#fff}
.exam-choice-row p{margin:0;color:var(--ink);font-size:14px;line-height:1.65}
.exam-choice-row small{display:block;color:var(--muted);font-size:11px;line-height:1.55;margin-top:4px}
.exam-question-nav{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:12px;border-top:1px solid var(--line);padding-top:18px;margin-top:36px;color:var(--muted);font-size:12px}
.exam-question-nav>:last-child{justify-self:end}
.exam-question-nav>:nth-child(2){white-space:nowrap}
.exam-document-head{min-height:44px}
.answer-panel{padding:19px 0;margin:0;border-top:1px solid var(--line)}
.answer-panel:first-of-type{margin-top:6px}
.answer-panel h3{font-size:14px;letter-spacing:.015em}
.answer-panel p{color:var(--ink)}
.list-row.expanded{background:var(--surface-2)}

@media(max-width:560px){
 .exam-year-list{margin-left:-18px;margin-right:-18px;padding:0 18px}
 .year-button{flex-basis:66px}
 .official-reader-toolbar{align-items:flex-start;flex-direction:column}
 .official-reader-tools{width:100%;justify-content:flex-end}
 .official-reader-canvas-wrap{max-height:66dvh}
 .exam-question-nav .secondary-button{min-height:44px;padding:0 12px}
}

@media(min-width:900px) and (orientation:landscape){
 .exam-detail-view{max-width:980px}
 .official-reader-canvas-wrap{max-height:72dvh}
}