:root{color-scheme:light;--ink: #182235;--ink-soft: #35435b;--muted: #6e7a90;--faint: #99a3b4;--line: #e3e9f2;--line-strong: #d2dbea;--blue: #4b62e8;--blue-deep: #344ed0;--blue-soft: #eef1ff;--green: #16845b;--red: #bf514b;--amber: #a46a0d;--amber-soft: #fff7e6;--surface: rgba(255, 255, 255, .9);--surface-strong: #fff;--surface-muted: #f7f9fd;--bg: #f5f7fb;--shadow-sm: 0 8px 22px rgba(32, 50, 86, .06);--shadow: 0 18px 45px rgba(32, 50, 86, .09);--radius-sm: 12px;--radius: 18px;--radius-lg: 24px}html[data-theme=dark]{color-scheme:dark;--ink: #edf2fc;--ink-soft: #c5cfe0;--muted: #a1aec3;--faint: #8491a8;--line: rgba(157, 176, 214, .18);--line-strong: rgba(157, 176, 214, .28);--blue: #91a3ff;--blue-deep: #7388ff;--blue-soft: rgba(89, 110, 204, .2);--green: #63d2a2;--red: #ff928c;--amber: #f2c96f;--amber-soft: rgba(113, 82, 24, .25);--surface: rgba(15, 23, 38, .68);--surface-strong: rgba(20, 29, 47, .88);--surface-muted: rgba(22, 32, 49, .76);--bg: #080d17;--shadow-sm: 0 10px 28px rgba(0, 0, 0, .24), inset 0 1px 0 rgba(255, 255, 255, .035);--shadow: 0 20px 48px rgba(0, 0, 0, .36), inset 0 1px 0 rgba(255, 255, 255, .045)}*{box-sizing:border-box}html{min-width:320px;scroll-behavior:smooth}body{margin:0;min-width:320px;min-height:100vh;color:var(--ink);background:var(--bg);font:15px/1.5 Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;transition:background .2s,color .2s}button,input,select{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a{color:inherit}img{display:block;max-width:100%}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid color-mix(in srgb,var(--blue) 42%,transparent);outline-offset:3px}::selection{color:#fff;background:#5269df}.app-shell{display:flex;min-height:100vh;flex-direction:column}.app-wrap{position:relative;width:min(1160px,100%);min-height:0;flex:1;margin:0 auto;padding:0 28px 32px}.app-wrap.library-shell{width:min(1760px,100%);padding-right:40px;padding-left:40px}.app-wrap main{min-height:55vh}.page{min-height:54vh;animation:page-enter .26s ease-out both}.app-footer{padding:25px 0 8px;color:var(--faint);text-align:center;font-size:11px}.eyebrow{color:var(--blue);font-size:10px;font-weight:800;letter-spacing:1.25px;line-height:1.4;text-transform:uppercase}.button,.outline,.review-button,.theme-toggle,.home-link,.back-link{display:inline-flex;align-items:center;justify-content:center;gap:9px;text-decoration:none}.button,.outline,.review-button{min-height:42px;padding:0 15px;border:1px solid transparent;border-radius:11px;font-size:13px;font-weight:720;transition:transform .16s,background .16s,border-color .16s,box-shadow .16s}.button{color:#fff;background:var(--blue);box-shadow:0 4px 10px color-mix(in srgb,var(--blue) 13%,transparent)}.button:hover:not(:disabled){transform:translateY(-1px);background:var(--blue-deep);box-shadow:0 6px 13px color-mix(in srgb,var(--blue) 17%,transparent)}.button:active:not(:disabled),.outline:active:not(:disabled){transform:translateY(0)}.button:disabled,.outline:disabled{cursor:not-allowed;opacity:.55}.button img,.outline img,.review-button img{width:15px;height:15px;object-fit:contain}.outline{color:var(--ink-soft);background:var(--surface-strong);border-color:var(--line-strong)}.outline:hover:not(:disabled){transform:translateY(-1px);background:var(--surface-muted);border-color:color-mix(in srgb,var(--blue) 45%,var(--line))}.back-link{width:fit-content;margin:2px 0 18px;color:var(--muted);font-size:13px;font-weight:680;transition:color .16s,transform .16s}.back-link:is(button){padding:0;border:0;background:transparent;cursor:pointer}.back-link:hover{color:var(--blue);transform:translate(-2px)}.back-link img{width:15px;height:15px}.empty-state,.loading-panel{display:grid;min-height:230px;place-content:center;justify-items:center;padding:28px;border:1px dashed var(--line-strong);border-radius:var(--radius);color:var(--muted);background:var(--surface);text-align:center}.empty-state h1,.empty-state h2{margin:8px 0 4px;color:var(--ink);font-size:22px;letter-spacing:-.45px}.empty-state p{max-width:500px;margin:0 0 14px}.empty-glyph{display:grid;width:44px;height:44px;place-items:center;border-radius:14px;color:var(--blue);background:var(--blue-soft);font-weight:800}.loading-panel{min-height:180px;border-style:solid}.loading-panel:before,.button-spinner{width:28px;height:28px;border:3px solid var(--line);border-top-color:var(--blue);border-radius:50%;animation:loading-spin .8s linear infinite}.loading-panel:before{margin-bottom:13px;content:""}.button-spinner{display:inline-block;width:15px;height:15px;flex:0 0 15px;border-width:2px;border-color:color-mix(in srgb,white 44%,transparent);border-top-color:#fff}@keyframes loading-spin{to{transform:rotate(360deg)}}.notice{margin:12px 0;padding:11px 14px;border:1px solid transparent;border-radius:11px;font-size:13px}.notice-error{color:var(--red);background:color-mix(in srgb,var(--red) 9%,var(--surface));border-color:color-mix(in srgb,var(--red) 22%,var(--line))}.notice-warning{color:var(--amber);background:var(--amber-soft);border-color:color-mix(in srgb,var(--amber) 35%,var(--line))}.hidden{display:none!important}@keyframes page-enter{0%{opacity:0;transform:translateY(7px)}to{opacity:1;transform:translateY(0)}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}.topbar{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:30px;padding:22px max(28px,calc((100vw - 1760px)/2 + 40px)) 0}.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-size:17px;font-weight:800;letter-spacing:-.35px;text-decoration:none}.brand-mark{display:grid;width:37px;height:37px;place-items:center;border-radius:13px;color:#fff;background:linear-gradient(145deg,#657cff,#4059dc);box-shadow:0 7px 18px #526be137;font-size:15px}.top-actions{display:flex;align-items:center;gap:17px}.local-badge{color:var(--muted);font-size:11px}.local-badge i,.welcome-meta i{display:inline-block;width:7px;height:7px;margin-right:6px;border-radius:50%;background:#37b787;box-shadow:0 0 0 4px #37b78717}.local-badge i{animation:local-dot-pulse 2.2s ease-in-out infinite}@keyframes local-dot-pulse{0%,to{box-shadow:0 0 0 3px #37b78714;transform:scale(1)}50%{box-shadow:0 0 0 6px #37b7871f;transform:scale(1.12)}}@media(prefers-reduced-motion:reduce){.local-badge i{animation:none}}.theme-toggle,.home-link{min-height:35px;padding:0 10px;border:1px solid var(--line-strong);border-radius:10px;color:var(--ink-soft);background:var(--surface-strong);font-size:12px;font-weight:700}.theme-toggle{cursor:pointer}.theme-toggle:hover,.home-link:hover{border-color:var(--blue)}.theme-toggle img,.home-link img{width:15px;height:15px;object-fit:contain}.welcome-panel{position:relative;isolation:isolate;overflow:hidden;margin:0 0 34px;padding:37px clamp(22px,5vw,48px);border:1px solid color-mix(in srgb,var(--blue) 14%,var(--line));border-radius:26px;background:linear-gradient(122deg,color-mix(in srgb,var(--surface-strong) 88%,var(--blue-soft)),var(--surface));box-shadow:var(--shadow-sm)}.welcome-panel:before{position:absolute;z-index:-1;top:-160px;right:3%;width:360px;height:360px;border:1px solid color-mix(in srgb,var(--blue) 12%,transparent);border-radius:50%;box-shadow:0 0 0 28px color-mix(in srgb,var(--blue) 3%,transparent),0 0 0 62px color-mix(in srgb,var(--blue) 2%,transparent);content:""}.welcome-panel h1{max-width:650px;margin:7px 0 8px;font-size:clamp(28px,4.6vw,42px);line-height:1.12;letter-spacing:-1.3px}.welcome-panel>p{margin:0;color:var(--muted);font-size:14px}.welcome-meta{display:flex;gap:19px;margin-top:23px;color:var(--muted);font-size:11px}.welcome-orbit{position:absolute;z-index:-1;width:10px;height:10px;border:2px solid color-mix(in srgb,var(--blue) 35%,transparent);border-radius:50%;animation:orbit-float 5s ease-in-out infinite}.orbit-one{top:22%;right:20%}.orbit-two{top:69%;right:9%;width:6px;height:6px;animation-delay:-2.5s}@keyframes orbit-float{50%{transform:translateY(-9px) scale(1.15);opacity:.55}}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:16px;margin:0 0 17px}.section-heading h1{margin:3px 0 2px;font-size:clamp(22px,3vw,28px);line-height:1.18;letter-spacing:-.7px}.section-heading p{margin:0;color:var(--muted);font-size:13px}.refresh-button{min-height:38px;font-size:12px}.refresh-button img{width:15px;height:15px}.collection-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.collection-card{--accent: #4f66e8;position:relative;isolation:isolate;overflow:hidden;display:flex;min-height:225px;flex-direction:column;align-items:flex-start;padding:20px;border:1px solid var(--line);border-radius:20px;background:linear-gradient(145deg,var(--surface-strong) 48%,color-mix(in srgb,var(--accent) 7%,var(--surface)));box-shadow:var(--shadow-sm);animation:card-arrive .35s both;animation-delay:calc(var(--card-order, 0) * 35ms);transition:transform .22s,border-color .22s,box-shadow .22s}.collection-card:before{position:absolute;z-index:-1;top:-48px;right:-37px;width:155px;height:155px;border-radius:50%;background:var(--accent);content:"";opacity:.08;transition:transform .25s,opacity .25s}.collection-card:hover{transform:translateY(-4px);border-color:color-mix(in srgb,var(--accent) 40%,var(--line));box-shadow:0 20px 42px color-mix(in srgb,var(--accent) 9%,transparent)}.collection-card:hover:before{transform:scale(1.18);opacity:.13}.collection-card:nth-child(5n+2){--accent: #19a07a}.collection-card:nth-child(5n+3){--accent: #df8a32}.collection-card:nth-child(5n+4){--accent: #a15bd0}.collection-card:nth-child(5n+5){--accent: #d45370}.collection-card-top{display:flex;width:100%;align-items:center;justify-content:space-between;gap:10px}.collection-mark{display:grid;width:48px;height:48px;place-items:center;border:1px solid color-mix(in srgb,var(--accent) 24%,var(--line));border-radius:15px;color:var(--accent);background:color-mix(in srgb,var(--accent) 11%,var(--surface));font-size:15px;font-weight:850;letter-spacing:.3px}.count-pill{padding:5px 10px;border:1px solid var(--line);border-radius:30px;color:var(--muted);background:var(--surface);font-size:11px;font-weight:700}.collection-card h3{max-width:calc(100% - 44px);margin:17px 0 2px;font-size:19px;line-height:1.25;letter-spacing:-.4px}.collection-card p{margin:0 0 17px;color:var(--muted);font-size:12px}.card-action{min-height:37px;margin-top:auto;padding:0 12px;font-size:12px}.card-action img{width:14px;height:14px;filter:brightness(0) invert(1)}.book-card:after{position:absolute;z-index:-1;top:23px;right:31px;width:45px;height:59px;border:1px solid color-mix(in srgb,var(--accent) 65%,var(--line));border-left:6px solid var(--accent);border-radius:4px 8px 8px 4px;background:repeating-linear-gradient(180deg,color-mix(in srgb,var(--accent) 17%,transparent) 0 2px,transparent 2px 8px);content:"";opacity:.19;transform:rotate(9deg);transition:transform .25s,opacity .25s}.book-card:hover:after{opacity:.36;transform:rotate(2deg) translateY(-3px)}.book-mark{border-radius:12px 12px 5px 5px;box-shadow:inset 3px 0 color-mix(in srgb,var(--accent) 22%,transparent)}.folder-note{display:flex;align-items:center;gap:12px;margin-top:22px;padding:14px 16px;border:1px solid var(--line);border-radius:14px;color:var(--muted);background:var(--surface);font-size:12px}.folder-note img{width:20px;height:20px;flex:0 0 auto}.folder-note strong{color:var(--ink)}.folder-note code,code{padding:2px 5px;border-radius:5px;color:var(--blue-deep);background:var(--blue-soft);font-size:.94em}.loading-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.skeleton-card{min-height:205px;border:1px solid var(--line);border-radius:20px;background:linear-gradient(100deg,var(--surface-muted),var(--surface-strong),var(--surface-muted));background-size:220% 100%;animation:shimmer 1.5s ease-in-out infinite}@keyframes shimmer{to{background-position:-220% 0}}@keyframes card-arrive{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.page-heading{margin:5px 0 21px}.page-heading>div{min-width:0}.test-list{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.test-tile{display:flex;min-width:0;flex-direction:column;gap:15px;padding:17px;border:1px solid var(--line);border-radius:18px;background:var(--surface);box-shadow:var(--shadow-sm);animation:card-arrive .26s both;transition:transform .18s,border-color .18s,box-shadow .18s}.test-tile:hover{transform:translateY(-2px);border-color:color-mix(in srgb,var(--blue) 26%,var(--line));box-shadow:var(--shadow)}.tile-top{display:flex;align-items:center;gap:11px;min-width:0}.test-mark{display:grid;width:39px;height:39px;flex:0 0 auto;place-items:center;border:1px solid color-mix(in srgb,var(--blue) 18%,var(--line));border-radius:13px;color:var(--blue);background:var(--blue-soft);font-size:18px}.tile-info{min-width:0}.tile-info h3{overflow:hidden;margin:0 0 2px;font-size:16px;letter-spacing:-.3px;text-overflow:ellipsis}.tile-info p{margin:0;color:var(--muted);font-size:11px}.tile-badges{display:flex;flex-wrap:wrap;gap:6px}.badge{display:inline-flex;min-height:24px;align-items:center;padding:3px 8px;border:1px solid var(--line);border-radius:8px;color:var(--muted);background:var(--surface-muted);font-size:10px;font-weight:680}.badge.key{color:var(--green);border-color:color-mix(in srgb,var(--green) 22%,var(--line));background:color-mix(in srgb,var(--green) 8%,var(--surface))}.chapter-badge{color:var(--blue);font-weight:780}.tile-bottom{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;padding-top:13px;border-top:1px solid var(--line)}.test-id{overflow:hidden;color:var(--muted);font-size:10px;text-overflow:ellipsis;white-space:nowrap}.tile-actions{display:flex;flex-shrink:0;flex-wrap:wrap;align-items:center;justify-content:flex-end;gap:7px}.tile-actions .button,.tile-actions .outline{min-height:36px;padding:0 10px;font-size:11px}.attempt-button img,.primary-action img{width:14px;height:14px;filter:brightness(0) invert(1)}.history-button{text-decoration:none}.setup-card,.question-card,.navigator-card,.result-hero,.review-card,.history-card{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow-sm)}.setup-card{max-width:820px;margin:0 auto;padding:clamp(18px,4vw,30px)}.setup-summary{display:flex;align-items:center;gap:11px;margin-bottom:22px;padding:12px 14px;border:1px solid var(--line);border-radius:12px;color:var(--muted);background:var(--surface-muted);font-size:12px}.setup-summary strong{color:var(--ink)}.setup-spark{display:grid;width:31px;height:31px;flex:0 0 auto;place-items:center;border-radius:10px;color:var(--blue);background:var(--blue-soft)}.setup-fieldset{min-width:0;margin:0;padding:0;border:0}.setup-fieldset legend{margin-bottom:10px;font-size:13px;font-weight:760}.mode-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:11px}.mode-card{position:relative;display:grid;min-height:118px;align-content:start;gap:4px;padding:15px;border:1px solid var(--line);border-radius:14px;background:var(--surface-strong);cursor:pointer;transition:border-color .18s,transform .18s,background .18s}.mode-card:hover{transform:translateY(-2px);border-color:var(--line-strong)}.mode-card.mode-disabled{cursor:default;opacity:.55}.mode-card.mode-disabled:hover{transform:none;border-color:var(--line)}.mode-card.mode-disabled,.mode-card.mode-disabled *{cursor:default!important}.mode-card.active{border-color:var(--blue);background:color-mix(in srgb,var(--blue) 5%,var(--surface-strong));box-shadow:0 0 0 1px color-mix(in srgb,var(--blue) 30%,transparent) inset}.mode-card input{position:absolute;top:14px;right:14px;accent-color:var(--blue)}.mode-icon{display:grid;width:29px;height:29px;place-items:center;margin-bottom:3px;border-radius:9px;color:var(--blue);background:var(--blue-soft);font-size:16px}.mode-card strong{font-size:13px}.mode-label-compact{display:none}.mode-card small{color:var(--muted);font-size:11px}.range-panel{margin-top:14px;padding:16px;border:1px solid var(--line);border-radius:14px;background:var(--surface-muted);animation:page-enter .2s ease-out}.range-fields{display:flex;align-items:end;gap:12px}.range-fields label,.topic-field{display:grid;flex:1;gap:6px;font-size:11px;font-weight:720}.range-fields input,.topic-field input,.key-select-label select{width:100%;min-height:41px;padding:8px 11px;border:1px solid var(--line-strong);border-radius:10px;color:var(--ink);background:var(--surface-strong)}.range-dash{padding-bottom:10px;color:var(--muted);font-size:12px}.topic-field{margin-top:13px}.topic-field span{display:inline;color:var(--muted);font-weight:500}.range-preview{margin-top:11px;color:var(--green);font-size:11px;font-weight:700}.range-preview.invalid{color:var(--red)}.concept-select-label{display:grid;max-width:420px;gap:6px;color:var(--ink-soft);font-size:11px;font-weight:720}.concept-select-label select,.setup-control select,.setup-control input{width:100%;min-height:40px;padding:8px 11px;border:1px solid var(--line-strong);border-radius:10px;color:var(--ink);background:var(--surface-strong)}.feature-panel{display:grid;gap:14px}.feature-toggle{display:flex;align-items:flex-start;gap:10px;cursor:pointer}.feature-toggle input{width:16px;height:16px;margin:2px 0 0;accent-color:var(--blue)}.feature-toggle strong,.feature-toggle small,.feature-number small{display:block}.feature-toggle strong{font-size:12px}.feature-toggle small,.feature-number small{margin-top:2px;color:var(--muted);font-size:10px;font-weight:500}.feature-number{display:grid;max-width:260px;gap:5px;color:var(--ink-soft);font-size:11px;font-weight:720}.range-shuffle-options{display:grid;gap:13px;margin-top:15px;padding-top:13px;border-top:1px solid var(--line)}.feature-number input{width:100%;min-height:40px;padding:8px 11px;border:1px solid var(--line-strong);border-radius:10px;color:var(--ink);background:var(--surface-strong);font:inherit;font-weight:600}.setup-page input:not([type=checkbox]):not([type=file]):not([type=radio]),.setup-page select{color-scheme:light;color:var(--ink);background-color:var(--surface-strong)}.setup-page input:not([type=checkbox]):not([type=file]):not([type=radio]):focus-visible,.setup-page select:focus-visible{border-color:var(--blue);outline:2px solid color-mix(in srgb,var(--blue) 35%,transparent);outline-offset:1px}.setup-options-panel{display:grid;gap:11px}.setup-options-panel h2{display:flex;align-items:baseline;gap:8px;margin:0;font-size:13px}.setup-options-panel h2 span{color:var(--muted);font-size:10px;font-weight:500}.setup-option-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.setup-control{display:grid;min-width:0;gap:5px;color:var(--ink-soft);font-size:10px;font-weight:720}.time-limit-fields{display:grid;grid-template-columns:1fr 1fr;gap:8px}.setup-option-note{margin:0;color:var(--muted);font-size:10px}.key-panel{margin-top:21px;padding:16px;border:1px solid var(--line);border-radius:15px;background:color-mix(in srgb,var(--surface-muted) 75%,transparent)}.key-title{display:flex;align-items:center;gap:11px;margin-bottom:12px}.key-icon{display:grid;width:36px;height:36px;flex:0 0 auto;place-items:center;border-radius:11px;color:var(--blue);background:var(--blue-soft)}.key-icon img{width:18px;height:18px}.key-title strong,.key-title small{display:block}.key-title strong{font-size:13px}.key-title small{margin-top:2px;color:var(--muted);font-size:11px}.key-select-label{display:grid;gap:6px;margin:12px 0;color:var(--muted);font-size:11px;font-weight:700}.key-file-row{display:flex;align-items:center;gap:11px}.file-picker{position:relative;min-height:37px;flex:0 0 auto;padding:0 11px;font-size:11px;cursor:pointer}.file-picker input{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:pointer}.key-state{min-width:0;color:var(--muted);font-size:11px}.key-state.success{color:var(--green)}.key-state.missing{flex:1;padding:8px 10px;border:1px solid #efd99a;border-radius:9px;color:#94600b;background:#fff8e7;font-weight:700}.key-toggle{display:flex;align-items:center;gap:9px;margin-top:12px;color:var(--ink);font-size:12px;font-weight:680;cursor:pointer;transition:opacity .18s}.key-toggle input{width:16px;height:16px;margin:0;accent-color:var(--blue)}.key-toggle.is-disabled{color:var(--muted);cursor:default;opacity:.48}.key-toggle input:disabled{cursor:default!important;opacity:.55}.setup-actions{display:flex;justify-content:flex-end;gap:9px;margin-top:19px}.setup-actions>*{min-height:42px}.practice-heading{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:17px}.practice-heading>div{min-width:0}.practice-meta-row{display:flex;align-items:center;flex-wrap:wrap;gap:13px;margin-bottom:5px}.practice-heading .back-link{margin:0}.practice-meta-row .eyebrow{line-height:1.25}.review-heading-meta{display:flex;min-width:0;align-items:center;flex-wrap:wrap;gap:8px 13px;margin-bottom:5px}.review-heading-meta .eyebrow{line-height:1.35}.practice-heading h1{margin:2px 0 3px;font-size:clamp(21px,3vw,26px);line-height:1.2;letter-spacing:-.6px}.practice-heading p{margin:0;color:var(--muted);font-size:11px}.scoring-pill{flex:0 0 auto;padding:6px 10px;border:1px solid var(--line);border-radius:20px;color:var(--muted);background:var(--surface);font-size:10px;font-weight:700}.practice-layout{display:grid;grid-template-columns:minmax(0,1fr) 260px;align-items:start;gap:14px}.question-card{min-width:0;padding:20px}.question-card-top{display:flex;align-items:center;justify-content:space-between;gap:10px;padding-bottom:12px;border-bottom:1px solid var(--line);font-size:12px}.question-card-top strong{color:var(--ink)}.question-card-top span,.question-card-top small{color:var(--muted)}.review-question-heading{display:flex;min-width:0;align-items:center;flex-wrap:wrap;gap:7px}.review-status-chip{display:inline-flex;align-items:center;padding:3px 8px;border:1px solid var(--line);border-radius:999px;color:var(--muted);background:var(--surface-muted);font-size:9px;font-weight:760;line-height:1.3}.review-status-chip.correct{border-color:color-mix(in srgb,var(--green) 22%,var(--line));color:var(--green);background:color-mix(in srgb,var(--green) 8%,var(--surface))}.review-status-chip.incorrect{border-color:color-mix(in srgb,var(--red) 22%,var(--line));color:var(--red);background:color-mix(in srgb,var(--red) 8%,var(--surface))}.review-status-chip.review{border-color:color-mix(in srgb,var(--amber) 25%,var(--line));color:var(--amber);background:var(--amber-soft)}.review-status-chip.skipped,.review-status-chip.unevaluated{color:var(--muted);background:var(--surface-muted)}.progress-track{height:4px;overflow:hidden;margin-top:-1px;border-radius:0 0 4px 4px;background:var(--line)}.progress-track span{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--blue),#8d9aff);transition:width .2s}.question-body{padding:18px 0 2px}.question-number{margin-bottom:6px;color:var(--muted);font-size:12px;font-weight:650}.question-stem{color:var(--ink);font-size:18px;font-weight:570;line-height:1.62}.no-stem{color:var(--muted);font-size:15px}.content-flow{display:grid;gap:8px;min-width:0}.content-text-block{white-space:pre-line;overflow-wrap:anywhere}.content-text{white-space:pre-wrap}.content-math{overflow-x:auto;padding:3px 0;text-align:center}.math-render{max-width:100%}.math-inline{display:inline-block;vertical-align:middle}.math-display{display:block;overflow-x:auto;padding:2px 0;text-align:center}.math-fallback{overflow-wrap:anywhere}.question-figure{display:flex;max-width:100%;flex-direction:column;gap:6px;margin:6px 0}.question-figure.align-left{align-items:flex-start}.question-figure.align-center{align-items:center}.question-figure.align-right{align-items:flex-end}.question-figure img{max-height:min(55vh,520px);object-fit:contain;border-radius:9px}.question-figure figcaption{color:var(--muted);font-size:11px;font-weight:500}.question-diagram{width:100%;max-width:340px;overflow:auto;margin:6px auto;color:var(--ink-soft)}.question-diagram svg{display:block;width:100%;height:auto;max-height:min(32vh,280px);overflow:visible}.diagram-label{fill:var(--ink);font-family:inherit;font-weight:650;-webkit-user-select:none;user-select:none}.options-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px;margin-top:15px}.option-card{display:flex;min-width:0;min-height:49px;align-items:center;gap:9px;padding:9px 10px;border:1px solid var(--line-strong);border-radius:12px;color:var(--ink);background:var(--surface-strong);text-align:left;transition:transform .14s,border-color .14s,background .14s,box-shadow .14s}.option-card:hover{transform:translateY(-1px);border-color:color-mix(in srgb,var(--blue) 55%,var(--line));background:var(--surface-muted)}.option-card.selected{border-color:var(--blue);color:var(--blue);background:var(--blue-soft);box-shadow:0 0 0 1px var(--blue) inset}.option-letter{display:grid;width:27px;height:27px;flex:0 0 27px;place-items:center;border:1px solid var(--line-strong);border-radius:8px;color:var(--muted);background:var(--surface-strong);font-size:11px;font-weight:800}.option-card.selected .option-letter{border-color:color-mix(in srgb,var(--blue) 40%,var(--line));color:var(--blue)}.option-value{min-width:0;font-size:14px;font-weight:650;line-height:1.45}.option-content-flow{gap:5px}.option-content-flow .question-figure{margin:1px 0}.option-content-flow .question-figure img{max-height:180px}.option-content-flow .question-diagram{margin:1px 0}.option-content-flow .question-diagram svg{max-height:170px}.question-actions{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:22px}.question-actions .outline,.question-actions .button,.question-actions .review-button{min-height:39px;padding:0 11px;font-size:11px}.question-actions .outline img{width:13px;height:13px}.question-action-right{display:flex;align-items:center;gap:7px}.review-button{border-color:color-mix(in srgb,#d79821 52%,var(--line));color:#8b5b0a;background:#fff9e9}.review-button:hover{background:#fff3d1}.practice-aside{position:sticky;top:15px}.navigator-card{min-width:0;max-width:100%;padding:15px}.navigator-heading{display:flex;justify-content:space-between;gap:8px}.navigator-heading h2{margin:0;font-size:13px}.navigator-heading p{margin:3px 0 0;color:var(--muted);font-size:10px}.navigator-count{align-self:start;color:var(--blue);font-size:10px;font-weight:750}.navigator-legend{display:flex;flex-wrap:wrap;gap:9px;margin:11px 0;color:var(--muted);font-size:9px}.navigator-legend span{display:inline-flex;align-items:center;gap:4px}.navigator-legend i{width:7px;height:7px;border-radius:50%;background:var(--line-strong)}.navigator-legend i.answered{background:var(--blue)}.navigator-legend i.review{background:#e5b84a}.navigator-legend i.correct{background:var(--green)}.navigator-legend i.wrong{background:var(--red)}.question-grid{display:grid;min-width:0;max-width:100%;max-height:min(52vh,390px);grid-template-columns:repeat(5,minmax(0,1fr));gap:5px;overflow:auto;padding:2px}.question-dot{aspect-ratio:1;border:1px solid var(--line);border-radius:8px;color:var(--muted);background:var(--surface-strong);font-size:10px;font-weight:680;transition:background .14s,border-color .14s,transform .14s}.question-dot:hover{transform:translateY(-1px);border-color:var(--blue)}.question-dot.answered{color:var(--blue);border-color:color-mix(in srgb,var(--blue) 24%,var(--line));background:var(--blue-soft)}.question-dot.review{color:#94600b;border-color:#efd99a;background:#fff5d8}.question-dot.correct{color:color-mix(in srgb,var(--green) 78%,var(--ink));border-color:color-mix(in srgb,var(--green) 36%,var(--line));background:color-mix(in srgb,var(--green) 12%,var(--surface-strong))}.question-dot.wrong{color:color-mix(in srgb,var(--red) 82%,var(--ink));border-color:color-mix(in srgb,var(--red) 36%,var(--line));background:color-mix(in srgb,var(--red) 11%,var(--surface-strong))}.question-dot.correct:hover{border-color:color-mix(in srgb,var(--green) 58%,var(--line))}.question-dot.wrong:hover{border-color:color-mix(in srgb,var(--red) 58%,var(--line))}.question-dot.current{outline:2px solid var(--blue);outline-offset:1px}.finish-button{width:100%;margin-top:10px}.question-actions .button:focus-visible,.finish-button:focus-visible{outline:2px solid color-mix(in srgb,var(--blue) 70%,transparent);outline-offset:2px;box-shadow:none}.question-actions .button,.finish-button{box-shadow:0 2px 6px color-mix(in srgb,var(--blue) 8%,transparent)}.question-actions .button:hover:not(:disabled),.finish-button:hover:not(:disabled){box-shadow:0 3px 8px color-mix(in srgb,var(--blue) 11%,transparent)}.option-card:disabled{cursor:default;opacity:1;transform:none}.option-card:disabled:hover{transform:none}.option-card.choice-correct,.option-card.choice-correct:hover{border-color:color-mix(in srgb,var(--green) 48%,var(--line));color:var(--green);background:color-mix(in srgb,var(--green) 10%,var(--surface-strong));box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--green) 28%,transparent)}.option-card.choice-wrong,.option-card.choice-wrong:hover{border-color:color-mix(in srgb,var(--red) 48%,var(--line));color:var(--red);background:color-mix(in srgb,var(--red) 10%,var(--surface-strong));box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--red) 25%,transparent)}.option-card.choice-correct .option-letter{border-color:color-mix(in srgb,var(--green) 38%,var(--line));color:var(--green);background:color-mix(in srgb,var(--green) 8%,var(--surface-strong))}.option-card.choice-wrong .option-letter{border-color:color-mix(in srgb,var(--red) 38%,var(--line));color:var(--red);background:color-mix(in srgb,var(--red) 8%,var(--surface-strong))}.practice-status-pills{display:flex;align-items:center;justify-content:flex-end;flex-wrap:wrap;gap:7px}.timer-pill{font-variant-numeric:tabular-nums}.timer-pill.timer-urgent{border-color:color-mix(in srgb,var(--red) 42%,var(--line));color:var(--red);background:color-mix(in srgb,var(--red) 8%,var(--surface))}.current-time-note{margin-top:10px;color:var(--faint);font-size:10px;text-align:right;font-variant-numeric:tabular-nums}.review-live-card .question-body{padding-bottom:12px}.review-live-actions{margin-top:15px}.review-position{color:var(--muted);font-size:10px;font-weight:650}.review-timing-row{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:12px;padding:10px 12px;border:1px solid var(--line);border-radius:10px;color:var(--muted);background:var(--surface-muted);font-size:11px;font-variant-numeric:tabular-nums}.review-timing-row strong{margin-left:4px;color:var(--ink)}.review-readonly-pill{align-self:center}.review-summary-time{margin:13px 0 0;color:var(--muted);font-size:11px;text-align:center;font-variant-numeric:tabular-nums}.review-time{display:block;margin:-3px 0 8px;color:var(--muted);font-size:9px;font-variant-numeric:tabular-nums}.stats-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.dialog-backdrop{position:fixed;z-index:1000;inset:0;display:grid;place-items:center;padding:18px;background:#0c121e7a;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);animation:fade-in .16s ease-out}.confirm-dialog{width:min(460px,100%);padding:23px;border:1px solid var(--line);border-radius:20px;color:var(--ink);background:var(--surface-strong);box-shadow:0 25px 80px #10182c35;animation:dialog-in .2s ease-out}.dialog-icon{display:grid;width:38px;height:38px;place-items:center;border-radius:12px;color:var(--blue);background:var(--blue-soft);font-weight:850}.confirm-dialog h2{margin:13px 0 5px;font-size:19px;letter-spacing:-.4px}.dialog-copy{color:var(--muted);font-size:13px}.dialog-copy p{margin:7px 0}.dialog-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:20px}.dialog-actions button{min-height:39px;font-size:11px}.dialog-discard{padding:0 12px;border:1px solid color-mix(in srgb,var(--red) 28%,var(--line));border-radius:11px;color:var(--red);background:color-mix(in srgb,var(--red) 6%,var(--surface-strong));font-weight:720}.dialog-discard:hover:not(:disabled){background:color-mix(in srgb,var(--red) 11%,var(--surface-strong))}@keyframes fade-in{0%{opacity:0}to{opacity:1}}@keyframes dialog-in{0%{opacity:0;transform:translateY(8px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}.result-hero{padding:22px}.result-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-bottom:18px}.result-heading h1{margin:4px 0;font-size:clamp(22px,3vw,28px);letter-spacing:-.7px}.result-heading p{margin:0 0 4px;color:var(--muted);font-size:12px}.result-heading small{color:var(--faint);font-size:10px}.result-actions{display:flex;flex-shrink:0;gap:8px}.result-actions .button,.result-actions .outline{min-height:37px;padding:0 10px;font-size:11px}.stats-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:8px}.stat-card{min-width:0;padding:10px;border:1px solid var(--line);border-radius:12px;background:var(--surface-muted)}.stat-card span{display:block;color:var(--muted);font-size:9px}.stat-card strong{display:block;overflow-wrap:anywhere;margin-top:3px;font-size:18px;line-height:1.25}.stat-card.good strong{color:var(--green)}.stat-card.bad strong{color:var(--red)}.stat-card.review strong{color:var(--amber)}.review-section-heading{display:flex;align-items:end;justify-content:space-between;gap:10px;margin:24px 0 12px}.review-section-heading h2{margin:2px 0 0;font-size:20px;letter-spacing:-.4px}.review-section-heading>span{color:var(--muted);font-size:11px}.review-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.review-card{min-width:0;padding:14px;border-left:3px solid var(--line-strong)}.review-card.correct{border-left-color:var(--green)}.review-card.wrong{border-left-color:var(--red)}.review-card.review{border-left-color:#e2aa2c}.review-card-heading{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:9px}.review-card-heading>div{display:flex;align-items:baseline;gap:7px}.review-question-number{font-size:12px;font-weight:800}.review-chosen-label{color:var(--muted);font-size:10px}.outcome-pill{padding:3px 7px;border-radius:20px;color:var(--muted);background:var(--surface-muted);font-size:9px;font-weight:760}.outcome-pill.correct{color:var(--green);background:color-mix(in srgb,var(--green) 9%,var(--surface))}.outcome-pill.wrong{color:var(--red);background:color-mix(in srgb,var(--red) 9%,var(--surface))}.outcome-pill.review,.outcome-pill.unevaluated{color:var(--amber);background:var(--amber-soft)}.review-question{margin:7px 0 10px;font-size:12px;line-height:1.55}.review-question .question-figure img{max-height:220px}.review-choice{display:grid;gap:3px;margin-top:8px;padding:8px 10px;border:1px solid var(--line);border-radius:9px;background:var(--surface-muted)}.review-choice small,.review-note{color:var(--muted);font-size:9px;font-weight:650}.review-choice .content-flow{font-size:11px}.correct-choice{border-color:color-mix(in srgb,var(--green) 28%,var(--line));background:color-mix(in srgb,var(--green) 6%,var(--surface))}.review-note{display:block;margin-top:7px}.result-bottom-actions{display:flex;justify-content:space-between;gap:10px;margin-top:17px}.result-bottom-actions>*{min-height:39px}.history-list{display:grid;gap:10px}.history-card{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:15px 17px;animation:card-arrive .25s both}.history-copy{display:grid;min-width:0;gap:2px}.history-date{color:var(--muted);font-size:11px}.history-copy strong{font-size:13px}.history-copy small{color:var(--faint);font-size:10px}.attempt-kind{width:fit-content;margin:2px 0;padding:2px 7px;border-radius:20px;color:var(--blue);background:var(--blue-soft);font-size:9px;font-weight:750}.history-right{display:flex;flex-shrink:0;align-items:center;gap:10px}.history-right .outline{min-height:36px;padding:0 11px;font-size:11px}.history-badge{padding:5px 9px;border-radius:20px;color:var(--blue);background:var(--blue-soft);font-size:11px;font-weight:760}@media(max-width:1024px){.collection-grid,.loading-grid,.test-list{grid-template-columns:repeat(3,minmax(0,1fr))}.practice-layout{grid-template-columns:minmax(0,1fr) 225px}.stats-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.mode-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.app-wrap.library-shell{padding:0 20px 20px}}@media(min-width:721px)and (max-width:1024px){.app-wrap{padding:0 20px 20px}.topbar{gap:12px;margin-bottom:16px;padding:14px 20px 0}.top-actions{gap:10px}.practice-heading{align-items:flex-start;gap:10px;margin-bottom:11px}.practice-heading h1{font-size:21px}.practice-status-pills{gap:5px}.scoring-pill{padding:4px 7px;font-size:9px}.practice-layout{grid-template-columns:minmax(0,1fr) 205px;gap:10px}.question-card{padding:14px}.question-card-top{padding-bottom:9px;font-size:11px}.question-stem{font-size:16px;line-height:1.5}.options-grid{gap:7px;margin-top:11px}.option-card{min-height:43px;gap:7px;padding:7px 8px}.option-value{font-size:12px}.question-actions{margin-top:12px}.navigator-card{padding:10px}.navigator-heading h2{font-size:12px}.navigator-heading p{font-size:9px}.navigator-legend{gap:6px;margin:8px 0;font-size:8px}.question-grid{max-height:min(36vh,190px);grid-template-columns:repeat(6,minmax(0,1fr));gap:4px}.question-dot{border-radius:6px;font-size:9px}.finish-button{min-height:36px;margin-top:7px}}@media(min-width:721px)and (max-width:1024px)and (max-height:700px){.app-shell.practice-shell{width:121.95%;max-width:none;zoom:.82}}@media(max-width:720px){.app-wrap,.app-wrap.library-shell{padding:0 17px 25px}.topbar{margin-bottom:21px;padding:15px 17px 0}.collection-grid,.loading-grid,.test-list{grid-template-columns:repeat(2,minmax(0,1fr))}.mode-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.practice-page{max-width:100%;overflow-x:clip}.practice-layout{min-width:0;grid-template-columns:minmax(0,1fr)}.practice-aside,.navigator-card{width:100%;min-width:0;max-width:100%}.practice-aside{position:static}.question-grid{display:flex;width:100%;min-width:0;max-width:100%;max-height:none;flex-wrap:nowrap;gap:7px;overflow-x:auto;overflow-y:hidden;box-sizing:border-box;padding:3px 2px 9px;overscroll-behavior-x:contain;touch-action:pan-x pan-y;-webkit-overflow-scrolling:touch}.question-dot{width:42px;height:42px;flex:0 0 42px;aspect-ratio:auto}.finish-button{display:none}.review-grid{grid-template-columns:1fr}.result-heading{flex-direction:column}}@media(max-width:540px){.app-wrap,.app-wrap.library-shell{padding:0 12px 20px}.topbar{gap:7px;margin-bottom:17px;padding:12px 12px 0}.brand{gap:7px;font-size:14px}.brand-mark{width:32px;height:32px;border-radius:11px}.top-actions{gap:7px}.local-badge{display:none}.theme-toggle,.home-link{min-height:32px;gap:5px;padding:0 7px;font-size:10px}.welcome-panel{margin-bottom:25px;padding:24px 19px;border-radius:19px}.welcome-panel h1{font-size:29px}.welcome-panel>p{font-size:12px}.welcome-meta{flex-wrap:wrap;gap:5px 13px;margin-top:16px;font-size:10px}.section-heading{align-items:flex-start}.page-heading{align-items:center}.page-heading h1{font-size:22px}.page-heading p{font-size:11px}.collection-grid,.loading-grid,.test-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.collection-card{min-height:180px;padding:12px;border-radius:15px}.collection-mark{width:38px;height:38px;border-radius:12px;font-size:12px}.count-pill{padding:4px 7px;font-size:9px}.collection-card h3{max-width:100%;margin-top:12px;font-size:15px}.collection-card p{margin-bottom:12px;font-size:10px}.card-action{width:100%;min-height:34px;gap:6px;padding:0 7px;font-size:10px}.test-list{gap:10px}.test-tile{gap:10px;padding:11px;border-radius:14px}.test-mark{width:32px;height:32px;border-radius:10px;font-size:15px}.tile-top{gap:7px}.tile-info h3{font-size:12px}.tile-info p{font-size:9px}.tile-badges{gap:4px}.badge{min-height:21px;padding:2px 5px;font-size:9px}.test-id{width:100%;font-size:9px}.tile-bottom{align-items:flex-start;flex-direction:column}.tile-actions{display:grid;width:100%;grid-template-columns:1fr;gap:6px}.tile-actions>*{width:100%;min-width:0}.tile-actions .button,.tile-actions .outline{justify-content:center}.folder-note{align-items:flex-start;padding:12px;font-size:11px}.refresh-button{min-height:34px;padding:0 9px;font-size:10px}.mode-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:7px}.mode-card{min-height:92px;align-content:center;justify-items:center;gap:5px;padding:9px 5px;text-align:center}.mode-card input{top:8px;right:8px;width:13px;height:13px}.mode-card .mode-icon{width:25px;height:25px;margin:3px 0 0;font-size:14px}.mode-card strong{font-size:11px;line-height:1.2}.mode-card small,.mode-label-wide{display:none}.mode-label-compact{display:inline}.setup-card{padding:15px;border-radius:17px}.setup-summary{align-items:flex-start;font-size:11px}.key-panel{padding:12px}.key-file-row{align-items:stretch;flex-direction:column}.file-picker{justify-content:center}.range-fields{gap:8px}.range-fields input{min-height:39px}.setup-actions>*{flex:1}.practice-heading{align-items:flex-start}.practice-heading h1{font-size:21px}.practice-status-pills{justify-content:flex-start}.scoring-pill{padding:5px 7px;font-size:9px}.question-card{padding:14px;border-radius:16px}.question-card-top{align-items:flex-start;flex-direction:column;gap:3px}.question-stem{font-size:16px;line-height:1.58}.options-grid{grid-template-columns:1fr;gap:7px}.option-card{min-height:47px}.question-actions,.question-action-right{gap:5px}.question-actions .outline,.question-actions .button,.question-actions .review-button{min-height:38px;padding:0 9px;font-size:10px}.navigator-card{padding:12px}.navigator-legend{gap:7px 9px}.stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.review-timing-row{justify-content:space-between}.result-hero{padding:15px}.result-actions{width:100%}.result-actions>*{flex:1}.review-card{padding:12px}.result-bottom-actions>*{flex:1}.history-card{align-items:flex-start;flex-direction:column}.history-right{width:100%;justify-content:space-between}.dialog-actions{flex-direction:column-reverse}.dialog-actions button{width:100%}}html[data-theme=dark] body{background:radial-gradient(ellipse at 8% 3%,rgba(69,91,187,.17),transparent 36%),radial-gradient(ellipse at 91% 43%,rgba(24,131,123,.09),transparent 32%),linear-gradient(180deg,#090f1b,#070b13);background-attachment:fixed}html[data-theme=dark] body:before{position:fixed;z-index:0;inset:0;pointer-events:none;content:"";background-image:linear-gradient(rgba(150,171,220,.022) 1px,transparent 1px),linear-gradient(90deg,rgba(150,171,220,.022) 1px,transparent 1px);background-size:52px 52px;-webkit-mask-image:radial-gradient(ellipse at center,#000 8%,transparent 83%);mask-image:radial-gradient(ellipse at center,#000 8%,transparent 83%)}html[data-theme=dark] .app-wrap{position:relative;z-index:1}html[data-theme=dark] .welcome-panel,html[data-theme=dark] .collection-card,html[data-theme=dark] .test-tile,html[data-theme=dark] .setup-card,html[data-theme=dark] .question-card,html[data-theme=dark] .navigator-card,html[data-theme=dark] .result-hero,html[data-theme=dark] .review-card,html[data-theme=dark] .history-card,html[data-theme=dark] .key-panel,html[data-theme=dark] .folder-note,html[data-theme=dark] .range-panel,html[data-theme=dark] .empty-state,html[data-theme=dark] .loading-panel{border-color:#9db0d630;background-color:#0f1726ad;box-shadow:0 18px 48px #00000057,inset 0 1px #ffffff0b;backdrop-filter:blur(17px) saturate(135%);-webkit-backdrop-filter:blur(17px) saturate(135%)}html[data-theme=dark] .welcome-panel{background-image:linear-gradient(120deg,#17233ad1,#0c1422a1)}html[data-theme=dark] .collection-card{background-image:linear-gradient(145deg,#141d2fc7,#0b121f99)}html[data-theme=dark] .theme-toggle img,html[data-theme=dark] .home-link img,html[data-theme=dark] .refresh-button img,html[data-theme=dark] .back-link img,html[data-theme=dark] .folder-note img,html[data-theme=dark] .key-icon img,html[data-theme=dark] .button img,html[data-theme=dark] .outline img,html[data-theme=dark] .review-button img{filter:brightness(0) invert(1)}html[data-theme=dark] .option-card,html[data-theme=dark] .mode-card,html[data-theme=dark] .question-dot,html[data-theme=dark] .theme-toggle,html[data-theme=dark] .home-link,html[data-theme=dark] .outline{background-color:#192437b8}html[data-theme=dark] .option-card:hover,html[data-theme=dark] .outline:hover:not(:disabled){background-color:#283751d9}html[data-theme=dark] .option-card.selected,html[data-theme=dark] .mode-card.active{background-color:#2c3b65c7}html[data-theme=dark] .question-dot.answered{color:#cbd3ff;border-color:#5067b3;background:#2b385dc2}html[data-theme=dark] .question-dot.review{color:#f2d585;border-color:#77612c;background:#40371fe0}html[data-theme=dark] .question-dot.correct{color:#8fe0b5;border-color:#45b87e80;background:#19644247}html[data-theme=dark] .question-dot.wrong{color:#ff9a9f;border-color:#e6576480;background:#7627334d}html[data-theme=dark] .option-card.choice-correct,html[data-theme=dark] .option-card.choice-correct:hover{border-color:#45b87e8c;color:#9be8bd;background:#19644247}html[data-theme=dark] .option-card.choice-wrong,html[data-theme=dark] .option-card.choice-wrong:hover{border-color:#e657648c;color:#ff9da3;background:#7627334d}html[data-theme=dark] .option-card.choice-correct .option-letter{border-color:#45b87e7a;color:#9be8bd;background:#19644252}html[data-theme=dark] .option-card.choice-wrong .option-letter{border-color:#e657647a;color:#ff9da3;background:#76273357}html[data-theme=dark] .key-state.missing{color:#f2c96f;border-color:#e5b84a61;background:#71521840}html[data-theme=dark] .key-toggle.is-disabled{color:var(--muted)}html[data-theme=dark] .setup-page input:not([type=checkbox]):not([type=file]):not([type=radio]),html[data-theme=dark] .setup-page select{color-scheme:dark;color:var(--ink);background-color:var(--surface-strong)}html[data-theme=dark] .review-button{color:#f2d585;border-color:#69572a;background:#302a1ce6}html[data-theme=dark] .review-button:hover{background:#3c331df2}html[data-theme=dark] .correct-choice{background:#185b3e52}html[data-theme=dark] .dialog-discard{border-color:#ff7d8359;background:#76262e38}html[data-theme=dark] .dialog-discard:hover:not(:disabled){background:#76262e59}@media print{@page{size:auto;margin:12mm}body{color:#182235!important;background:#fff!important;font-size:10pt}html[data-theme=dark]{color-scheme:light}html[data-theme=dark] body{color:#182235!important;background:#fff!important}.app-wrap{width:100%;max-width:none;padding:0}.topbar,.app-footer,.back-link,.result-actions,.result-bottom-actions,.notice,.review-section-heading>span{display:none!important}.page{min-height:0;animation:none}.result-hero,.review-card{break-inside:avoid;box-shadow:none;-webkit-backdrop-filter:none;backdrop-filter:none}.review-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.review-card{padding:8px}.review-question{font-size:9pt}.question-figure img{max-height:140px}}.auth-page{display:grid;min-height:100vh;place-items:center;padding:24px;background:radial-gradient(ellipse at 15% 12%,color-mix(in srgb,var(--blue) 11%,transparent),transparent 38%),var(--bg)}.auth-card,.firebase-config-card,.admin-help-card,.admin-import-card{border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--surface);box-shadow:var(--shadow);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.auth-card{width:min(100%,430px);padding:clamp(25px,5vw,39px)}.auth-brand{display:flex;align-items:center;gap:10px;margin-bottom:31px;color:var(--ink);font-size:16px;font-weight:800}.auth-card h1{margin:7px 0;color:var(--ink);font-size:clamp(25px,5vw,31px);letter-spacing:-.8px}.auth-intro,.auth-footnote{color:var(--muted);font-size:13px}.auth-intro{margin:0 0 23px}.auth-form{display:grid;gap:15px}.auth-form label{display:grid;gap:6px;color:var(--ink-soft);font-size:12px;font-weight:700}.auth-form input{min-height:44px;padding:0 12px;border:1px solid var(--line-strong);border-radius:11px;color:var(--ink);background:var(--surface-strong);font-size:14px}.auth-submit{width:100%;margin-top:3px}.auth-message{margin:0;padding:10px 12px;border-radius:10px;font-size:12px}.auth-message.error{color:var(--red);background:color-mix(in srgb,var(--red) 9%,var(--surface))}.auth-message.success{color:var(--green);background:color-mix(in srgb,var(--green) 9%,var(--surface))}.auth-links{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px 18px;margin-top:19px;color:var(--muted);font-size:12px}.auth-links button{padding:0;border:0;color:var(--blue);background:transparent;font-weight:750}.auth-links button:hover{text-decoration:underline}.firebase-config-card{width:min(100%,610px)}.firebase-config-card h1{margin-bottom:10px}.env-example{overflow-x:auto;margin:16px 0;padding:14px;border:1px solid var(--line);border-radius:12px;color:var(--ink-soft);background:var(--surface-muted);font-size:12px;line-height:1.8}.auth-footnote{margin:0;font-size:11px;line-height:1.65}.cloud-badge{color:var(--muted);font-size:11px;white-space:nowrap}.cloud-badge i{display:inline-block;width:7px;height:7px;margin-right:6px;border-radius:50%;background:#37b787;box-shadow:0 0 0 4px #37b78717}.account-button{min-height:35px;padding:0 10px;border:1px solid var(--line-strong);border-radius:10px;color:var(--ink-soft);background:var(--surface-strong);font-size:12px;font-weight:700}.account-button:hover{border-color:var(--blue)}.admin-import-page{max-width:850px;margin:0 auto}.admin-help-card,.admin-import-card{padding:clamp(18px,4vw,29px)}.admin-help-card h2,.admin-import-card h2{margin:0 0 8px;color:var(--ink);font-size:18px}.admin-help-card p,.admin-import-card p{color:var(--muted);font-size:13px}.admin-help-card ol{padding-left:20px;color:var(--ink-soft);font-size:13px}.uid-value{display:block;overflow-wrap:anywhere;padding:11px 13px;border:1px solid var(--line);border-radius:10px;color:var(--ink-soft);background:var(--surface-muted);-webkit-user-select:all;user-select:all}.admin-import-card{display:grid;justify-items:start;gap:8px}.admin-import-card h2,.admin-import-card p{margin:0}.admin-import-card>p:first-of-type{margin-bottom:8px}.admin-file-count,.admin-progress{color:var(--muted);font-size:12px}.admin-import-summary{display:grid;gap:3px;padding:12px 14px;border:1px solid color-mix(in srgb,var(--green) 25%,var(--line));border-radius:12px;color:var(--green);background:color-mix(in srgb,var(--green) 8%,var(--surface));font-size:13px}.admin-import-summary span,.admin-import-summary small{color:var(--ink-soft)}.admin-note{padding-top:10px;border-top:1px solid var(--line);font-size:11px!important}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(max-width:720px){.cloud-badge{display:none}.account-button{min-height:32px;padding:0 7px;font-size:10px}}@media(max-width:540px){.auth-page{padding:14px}.auth-card{border-radius:19px}.auth-brand{margin-bottom:25px}.auth-links{flex-direction:column;align-items:flex-start}}
