/*! tailwindcss v4.2.1 | MIT License | https://tailwindcss.com */
@layer theme{:root,:host{--font-sans:ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--spacing:.25rem;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before{box-sizing:border-box;border:0 solid;margin:0;padding:0}::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring{outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab, red, red)){::placeholder{color:color-mix(in oklab, currentcolor 50%, transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){-webkit-appearance:button;appearance:button}::file-selector-button{-webkit-appearance:button;appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.sr-only{clip-path:inset(50%);white-space:nowrap;border-width:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.relative{position:relative}.start{inset-inline-start:var(--spacing)}.end{inset-inline-end:var(--spacing)}.isolate{isolation:isolate}.container{width:100%}@media (min-width:40rem){.container{max-width:40rem}}@media (min-width:48rem){.container{max-width:48rem}}@media (min-width:64rem){.container{max-width:64rem}}@media (min-width:80rem){.container{max-width:80rem}}@media (min-width:96rem){.container{max-width:96rem}}.block{display:block}.hidden{display:none}}:root{--ink:#112d3f;--muted:#60717c;--muted-strong:#52636d;--teal:#0b7a75;--teal-dark:#075e5a;--amber:#f1b84b;--paper:#f3f6f4;--card:#fff;--line:#dbe5e2;--shadow:0 22px 70px #112d3f1a}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:radial-gradient(circle at 92% 8%, #f1b84b24, transparent 26rem), radial-gradient(circle at 4% 38%, #0b7a7517, transparent 28rem), var(--paper);min-width:320px;min-height:100dvh;color:var(--ink);margin:0;font-family:Inter,PingFang SC,Microsoft YaHei,system-ui,sans-serif}button,input,select{font:inherit}button{cursor:pointer}button:focus-visible{outline:3px solid var(--teal-dark);outline-offset:2px;box-shadow:0 0 0 8px #fffffff5}input:focus-visible{outline:3px solid var(--teal-dark);outline-offset:2px;box-shadow:0 0 0 8px #fffffff5}select:focus-visible{outline:3px solid var(--teal-dark);outline-offset:2px;box-shadow:0 0 0 8px #fffffff5}a:focus-visible{outline:3px solid var(--teal-dark);outline-offset:2px;box-shadow:0 0 0 8px #fffffff5}summary:focus-visible{outline:3px solid var(--teal-dark);outline-offset:2px;box-shadow:0 0 0 8px #fffffff5}.focus-heading:focus-visible{outline:3px solid var(--teal-dark);outline-offset:2px;box-shadow:0 0 0 8px #fffffff5}.brand{color:inherit;align-items:center;gap:12px;text-decoration:none;display:inline-flex}.brand-mark{color:#fff;background:var(--ink);border-radius:14px;place-items:center;width:44px;height:44px;font-weight:800;display:grid;box-shadow:0 8px 24px #112d3f2e}.brand strong,.brand small{display:block}.brand strong{letter-spacing:.02em;font-size:1rem}.brand small{color:var(--muted);margin-top:2px;font-size:.72rem}.privacy-pill{border:1px solid var(--line);color:var(--muted);background:#ffffffb8;border-radius:999px;padding:9px 14px;font-size:.82rem}.privacy-pill.save-saved{color:#256449;background:#f0faf5;border-color:#b4d8c6}.privacy-pill.save-saving,.privacy-pill.save-loading{color:#685019;background:#fff9e9;border-color:#ead396}.privacy-pill.save-error{color:#8a342d;background:#fff3f1;border-color:#e0aaa5}.eyebrow{color:var(--teal);letter-spacing:.16em;text-transform:uppercase;font-size:.78rem;font-weight:800}h1{letter-spacing:-.04em;margin:14px 0 18px;font-family:Georgia,Songti SC,serif;font-size:clamp(2.7rem,6vw,5rem);line-height:1.06}.primary-button{color:#fff;background:var(--teal);border:0;border-radius:14px;min-height:50px;padding:0 20px;font-weight:750;box-shadow:0 12px 26px #0b7a7533}.primary-button:hover{background:var(--teal-dark);transform:translateY(-1px)}fieldset{border:0;margin:0;padding:0}.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}@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}.app-shell{width:min(1240px,100% - 40px);min-height:100dvh;margin:0 auto}.app-header{border-bottom:1px solid #112d3f14;grid-template-columns:1fr auto 1fr;align-items:center;gap:24px;min-height:82px;display:grid}.brand-button{text-align:left;background:0 0;border:0;justify-self:start;min-height:44px;padding:0}.skip-link{top:max(10px, env(safe-area-inset-top));left:max(10px, env(safe-area-inset-left));z-index:100;color:#fff;background:var(--ink);border-radius:12px;align-items:center;min-height:44px;padding:0 16px;font-weight:800;text-decoration:none;transition:transform .16s;display:inline-flex;position:fixed;transform:translateY(calc(-100% - 24px))}.skip-link:focus-visible{transform:translateY(0)}.app-header nav{border:1px solid var(--line);background:#ffffffb8;border-radius:14px;align-items:center;gap:4px;padding:5px;display:flex}.app-header nav button{min-height:44px;color:var(--muted);background:0 0;border:0;border-radius:10px;padding:0 13px;font-size:.84rem}.app-header nav button:hover,.app-header nav .nav-active{color:var(--ink);background:#fff;box-shadow:0 3px 12px #112d3f14}.app-header>.privacy-pill{justify-self:end}.app-footer{border-top:1px solid var(--line);min-height:90px;color:var(--muted);justify-content:space-between;align-items:center;gap:20px;margin-top:36px;font-size:.78rem;display:flex}.app-footer span{overflow-wrap:anywhere;min-width:0}.notice-stack{z-index:5;gap:8px;margin-top:16px;display:grid;position:relative}.notice{color:#285b58;overflow-wrap:anywhere;background:#edf8f6;border:1px solid #b9d7d3;border-radius:12px;justify-content:space-between;align-items:center;gap:20px;min-width:0;min-height:46px;padding:10px 14px;font-size:.86rem;display:flex}.notice.warning{color:#6d5421;background:#fff8e8;border-color:#ead194}.notice button{min-width:44px;min-height:44px;color:inherit;background:0 0;border:0;text-decoration:underline}.panel{border:1px solid var(--line);background:#fffffff0;border-radius:24px;box-shadow:0 16px 50px #112d3f12}.secondary-button,.submit-exam-button,.danger-button{border-radius:14px;min-height:50px;padding:0 20px;font-weight:750}.secondary-button{color:var(--ink);background:#fff;border:1px solid #b9cac5}.secondary-button:hover{border-color:var(--teal);color:var(--teal-dark);background:#f4fbfa}.submit-exam-button{color:#5c430f;background:#fff4d9;border:1px solid #d09c38}.danger-button{color:#8a2f29;background:#fff;border:1px solid #dba4a0}.primary-button.wide{width:100%}button:disabled{opacity:.5;cursor:not-allowed!important;transform:none!important}.dashboard-hero{color:#fff;background:linear-gradient(125deg,#0f2b3e 0%,#123e4a 66%,#0b6d68 120%);border-radius:30px;grid-template-columns:minmax(0,1.25fr) minmax(280px,.75fr);align-items:center;gap:80px;min-height:430px;margin-top:24px;padding:62px 4%;display:grid;overflow:hidden;box-shadow:0 22px 70px #112d3f2e}.dashboard-hero .eyebrow{color:#71ddd5}.dashboard-hero h1{max-width:700px;margin:14px 0 16px;font-size:clamp(2.8rem,6vw,5.2rem)}.dashboard-hero p:not(.eyebrow){color:#ffffffb8;max-width:650px;line-height:1.8}.hero-actions{flex-wrap:wrap;align-items:center;gap:12px;margin-top:24px;display:flex}.dashboard-hero .secondary-button{color:#fff;background:#ffffff14;border-color:#ffffff47}.progress-orbit,.score-ring{aspect-ratio:1;background:conic-gradient(var(--amber) var(--progress), #ffffff1f 0);border-radius:50%;place-items:center;width:238px;margin:auto;display:grid;position:relative}.progress-orbit:after,.score-ring:after{content:"";background:#123642;border-radius:50%;position:absolute;inset:16px}.progress-orbit>div,.score-ring>div{z-index:1;text-align:center;position:relative}.progress-orbit strong,.score-ring strong{font-family:Georgia,serif;font-size:3.5rem;display:block}.progress-orbit span,.score-ring span{color:#ffffffa8;margin-top:6px;font-size:.82rem;display:block}.metric-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin:18px 0;display:grid}.metric-card{border:1px solid var(--line);background:#fff;border-radius:20px;flex-direction:column;min-height:150px;padding:22px;display:flex;box-shadow:0 10px 30px #112d3f0b}.metric-card>span{color:var(--muted);font-size:.82rem}.metric-card strong{margin:auto 0 7px;font-family:Georgia,serif;font-size:2.45rem}.metric-card small{color:var(--muted)}.metric-card.accent{background:linear-gradient(150deg,#fff 15%,#fff8e5);border-color:#e7c97b}.full-set-callout{background:linear-gradient(115deg,#fff 0%,#f1faf8 72%,#fff8e8 125%);justify-content:space-between;align-items:center;gap:28px;margin:0 0 18px;padding:24px 28px;display:flex}.full-set-callout .eyebrow{margin:0}.full-set-callout h2{margin:7px 0;font-size:clamp(1.25rem,2.4vw,1.75rem)}.full-set-callout p:last-child{color:var(--muted);margin:0;line-height:1.65}.full-set-callout button{flex:none}.dashboard-grid{grid-template-columns:minmax(0,1.25fr) minmax(330px,.75fr);gap:18px;display:grid}.mode-panel,.category-panel{padding:clamp(22px,4vw,36px)}.section-heading{justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:22px;display:flex}.section-heading h2{margin:5px 0 0;font-size:clamp(1.45rem,3vw,2rem)}.section-heading .eyebrow{margin:0}.mode-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;display:grid}.mode-button{text-align:left;min-height:84px;color:var(--ink);border:1px solid var(--line);background:#f8faf9;border-radius:16px;grid-template-columns:42px minmax(0,1fr) auto;align-items:center;gap:13px;padding:12px 14px;display:grid}.mode-button:hover{background:#f0f9f7;border-color:#9ec7c1;transform:translateY(-1px)}.mode-marker{width:40px;height:40px;color:var(--teal-dark);background:#e2f3f0;border-radius:12px;place-items:center;font-size:.76rem;font-weight:800;display:grid}.mode-button strong,.mode-button small{display:block}.mode-button strong{margin-bottom:4px}.mode-button small{color:var(--muted);line-height:1.4}.mode-arrow{color:var(--teal);font-size:1.25rem}.category-list{gap:18px;display:grid}.category-row>div:first-child{justify-content:space-between;gap:16px;margin-bottom:8px;font-size:.84rem;display:flex}.category-row span{color:var(--muted)}.progress-track,.session-progress{background:#e6edeb;border-radius:99px;height:7px;overflow:hidden}.progress-track span,.session-progress span{border-radius:inherit;background:linear-gradient(90deg,var(--teal),#3abbb0);height:100%;display:block}.session-page{padding:24px 0 0}.session-toolbar{min-height:58px;color:var(--muted);grid-template-columns:auto minmax(80px,1fr) auto auto;align-items:center;gap:16px;font-size:.84rem;display:grid}.back-button{min-height:44px;color:var(--muted);background:0 0;border:0;padding:0 8px}.session-progress{height:6px}.timer{text-align:center;min-width:72px;color:var(--teal-dark);font-variant-numeric:tabular-nums;background:#eaf7f5;border-radius:10px;padding:8px 10px;font-weight:800}.timer.danger{color:#942f27;background:#fff0ee}.session-layout{grid-template-columns:minmax(0,1fr) 310px;align-items:start;gap:18px;display:grid}.question-panel{min-width:0;padding:clamp(22px,4vw,42px)}.question-meta{justify-content:space-between;align-items:center;gap:18px;display:flex}.category-badge,.question-id,.corrected-badge{border-radius:9px;align-items:center;min-height:28px;margin-right:7px;padding:0 9px;font-size:.74rem;font-weight:750;display:inline-flex}.category-badge{color:var(--teal-dark);background:#e6f5f3}.question-id{color:var(--muted-strong);background:#edf1ef}.corrected-badge{color:#6c5016;background:#fff2ce}.star-button{border:1px solid var(--line);min-height:44px;color:var(--muted);white-space:nowrap;background:#fff;border-radius:12px;padding:0 13px}.star-button.active{color:#6b4c0c;background:#fff7df;border-color:#e7c879}.question-title{letter-spacing:0;overflow-wrap:anywhere;margin:30px 0 28px;font-family:inherit;font-size:clamp(1.35rem,2.7vw,2rem);line-height:1.62}.answer-list{gap:12px;display:grid}.answer-option{border:1px solid var(--line);cursor:pointer;overflow-wrap:anywhere;background:#fafcfb;border-radius:16px;grid-template-columns:38px minmax(0,1fr) auto;align-items:center;gap:14px;min-height:66px;padding:12px 16px;display:grid}.answer-option:hover{background:#f2faf8;border-color:#9bc9c2}.answer-option.selected{border-color:var(--teal);box-shadow:inset 0 0 0 1px var(--teal);background:#eff9f7}.answer-option.correct{background:#effaf4;border-color:#47a77d;box-shadow:inset 0 0 0 1px #47a77d}.answer-option.incorrect{background:#fff2f0;border-color:#d47b73;box-shadow:inset 0 0 0 1px #d47b73}.answer-option input{opacity:0;pointer-events:none;position:absolute}.answer-option:has(input:focus-visible){outline:3px solid var(--teal-dark);outline-offset:2px;box-shadow:0 0 0 8px #fffffff5}.answer-letter{width:38px;height:38px;color:var(--ink);background:#e8eeec;border-radius:11px;place-items:center;font-weight:800;display:grid}.answer-option.selected .answer-letter{color:#fff;background:var(--teal)}.answer-option.correct .answer-letter{color:#fff;background:#237a54}.answer-option.incorrect .answer-letter{color:#fff;background:#aa4d46}.answer-text{white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.55}.result-mark{color:#2d7659;font-size:.74rem;font-weight:800}.result-mark.wrong{color:#9e3e36}.feedback{border-radius:16px;margin-top:22px;padding:20px}.feedback strong{font-size:1.05rem}.feedback p{overflow-wrap:anywhere;line-height:1.75}.correct-feedback{color:#245c47;background:#effaf4;border:1px solid #a8d7c1}.wrong-feedback{color:#673d37;background:#fff3f1;border:1px solid #e3b3ae}.feedback details{border-top:1px solid;min-width:0;margin-top:14px;padding-top:14px}.feedback summary{cursor:pointer;overflow-wrap:anywhere;min-height:44px;font-weight:800;line-height:1.55}.correction-note{color:#6c5016;overflow-wrap:anywhere;background:#fff6dc;border-radius:10px;padding:10px 12px}.option-explanation-list{gap:9px;margin:18px 0;display:grid}.option-explanation-list>h3{color:var(--ink);margin:0 0 3px;font-size:1rem}.option-explanation{min-width:0;color:var(--ink);background:#ffffffa8;border:1px solid #112d3f21;border-radius:12px;padding:13px 14px}.option-explanation.correct{background:#eef9f3;border-color:#91c9ad}.option-explanation-heading{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;display:flex}.option-explanation-heading>span{color:#6c5016;background:#fff2ce;border-radius:999px;padding:3px 7px;font-size:.7rem;font-weight:800}.option-explanation p{color:var(--muted-strong);overflow-wrap:anywhere;margin:7px 0 0;font-size:.88rem;line-height:1.65}.option-explanation p b{color:var(--ink)}.reference-list{gap:8px;margin:14px 0 0;padding:0;list-style:none;display:grid}.reference-list li{flex-wrap:wrap;align-items:baseline;gap:7px 12px;display:flex}.reference-list a{min-width:0;min-height:44px;color:var(--teal-dark);text-underline-offset:3px;overflow-wrap:anywhere;align-items:center;font-weight:700;display:inline-flex}.reference-list span{color:var(--muted);font-size:.76rem}.session-actions{border-top:1px solid var(--line);flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:10px;margin-top:24px;padding-top:20px;display:flex}.shortcut-hint{text-align:right;color:var(--muted);margin:12px 0 0;font-size:.74rem}.navigator-panel{padding:22px;position:sticky;top:18px}.navigator-head{justify-content:space-between;align-items:center;gap:16px;margin-bottom:18px;display:flex}.navigator-head .eyebrow{margin:0}.navigator-head h2{margin:4px 0 0;font-size:1.15rem}.navigator-head>span{color:var(--muted);font-size:.82rem}.number-grid{grid-template-columns:repeat(auto-fit,minmax(44px,1fr));gap:7px;max-height:490px;padding-right:2px;display:grid;overflow:auto}.number-grid button{aspect-ratio:1;border:1px solid var(--line);min-width:44px;min-height:44px;color:var(--muted);background:#f8faf9;border-radius:9px;place-items:center;font-size:.74rem;display:grid;position:relative}.number-grid button.current{color:#fff;border-color:var(--ink);background:var(--ink)}.number-grid button.chosen{color:var(--teal-dark);background:#e4f5f2;border-color:#93c7c0}.number-grid button.done-correct{color:#216346;background:#e5f6ec;border-color:#8ec7ac}.number-grid button.done-wrong{color:#86352f;background:#ffebe9;border-color:#db9b96}.number-grid button.current{box-shadow:inset 0 0 0 2px}.number-state-mark{font-size:.72rem;font-weight:900;line-height:1;position:absolute;top:2px;right:3px}.legend{color:var(--muted);flex-wrap:wrap;gap:12px;margin-top:16px;font-size:.7rem;display:flex}.legend span{align-items:center;gap:5px;display:inline-flex}.legend i{width:18px;height:18px;color:var(--ink);background:#fff;border:1px solid;border-radius:5px;place-items:center;font-size:.76rem;font-style:normal;font-weight:900;line-height:1;display:inline-grid}.legend i.legend-chosen{color:var(--teal-dark)}.legend i.legend-correct{color:#216346}.legend i.legend-wrong{color:#86352f}.result-page,.library-page,.statistics-page,.settings-page,.setup-page{padding:48px 0 0}.result-hero{text-align:center;color:#fff;background:linear-gradient(135deg,#112d3f,#0b6a66);padding:clamp(30px,6vw,68px);position:relative;overflow:hidden}.result-hero .eyebrow{color:#77ddd6}.result-hero h1{margin:10px auto 26px;font-size:clamp(2.25rem,5vw,4.3rem)}.score-ring{width:190px}.score-ring:after{background:#11464d}.score-ring strong{font-size:2.8rem}.result-metrics{grid-template-columns:repeat(4,1fr);gap:12px;max-width:700px;margin:30px auto 0;display:grid}.result-metrics span{color:#ffffffd1;border:1px solid #ffffff52;border-radius:14px;padding:14px 10px;font-size:.76rem}.result-metrics strong{color:#fff;margin-bottom:5px;font-size:1.5rem;display:block}.partial-set-note{color:#fff4d9;background:#112d3f47;border:1px solid #ffffff52;border-radius:12px;max-width:700px;margin:18px auto 0;padding:12px 14px;line-height:1.65}.result-hero .hero-actions{justify-content:center}.result-hero .secondary-button{color:#fff;background:#ffffff14;border-color:#ffffff4d}.review-panel{margin-top:18px;padding:clamp(22px,4vw,38px)}.review-item{border-top:1px solid var(--line);min-width:0;padding:16px 0}.review-item summary{cursor:pointer;overflow-wrap:anywhere;min-height:44px;font-weight:700;line-height:1.55}.review-item summary span{color:var(--teal);margin-right:10px}.review-item>p,.review-item>ul{overflow-wrap:anywhere;min-width:0;margin-left:44px;line-height:1.7}.review-item>.option-explanation-list{margin-left:44px}.statistics-layout{grid-template-columns:minmax(0,1.45fr) minmax(280px,.55fr);align-items:start;gap:18px;display:grid}.attempt-history,.statistics-actions{padding:clamp(22px,4vw,36px)}.statistics-actions{position:sticky;top:18px}.statistics-actions h2{margin:8px 0 10px}.statistics-actions>p:not(.eyebrow){color:var(--muted);line-height:1.75}.statistics-actions button+button{margin-top:10px}.secondary-button.wide{width:100%}.attempt-list{counter-reset:attempts;gap:10px;margin:0;padding:0;list-style:none;display:grid}.attempt-list li{border:1px solid var(--line);background:#f9fbfa;border-radius:15px;grid-template-columns:44px minmax(0,1fr) auto;align-items:center;gap:13px;min-width:0;padding:14px;display:grid;position:relative}.attempt-rank{width:40px;height:40px;color:var(--teal-dark);background:#e4f4f1;border-radius:12px;place-items:center;font-weight:850;display:grid}.attempt-copy strong,.attempt-copy span,.attempt-score strong,.attempt-score span{display:block}.attempt-copy{min-width:0}.attempt-copy strong{overflow-wrap:anywhere}.attempt-copy span,.attempt-score span{color:var(--muted);margin-top:4px;font-size:.76rem}.attempt-score{text-align:right;min-width:74px}.attempt-score strong{font-family:Georgia,serif;font-size:1.65rem}.attempt-bar{background:#e4ece9;border-radius:999px;grid-column:2/-1;height:6px;overflow:hidden}.attempt-bar span{border-radius:inherit;background:linear-gradient(90deg,var(--teal),#48bcb0);height:100%;display:block}.compact-empty{background:#fafcfb;border:1px dashed #becfca;border-radius:16px;padding:34px 20px}.compact-empty p{color:var(--muted);line-height:1.7}.page-intro{max-width:780px;margin-bottom:28px}.page-intro h1{margin:10px 0 14px;font-size:clamp(2.45rem,5vw,4.6rem)}.page-intro>p:last-child{color:var(--muted);line-height:1.8}.filter-panel{grid-template-columns:minmax(240px,1fr) 170px 190px auto;align-items:end;gap:12px;padding:18px;display:grid}.filter-panel label,.setup-card label{color:var(--muted);gap:7px;font-size:.76rem;display:grid}.filter-panel input,.filter-panel select,.setup-card input{width:100%;min-height:48px;color:var(--ink);background:#fff;border:1px solid #cbd8d4;border-radius:12px;padding:0 13px;font-size:1rem}.library-summary{color:var(--muted);margin:22px 4px 12px}.library-summary strong{color:var(--ink)}.question-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;display:grid}.question-list-item{border:1px solid var(--line);background:#ffffffe0;border-radius:18px;flex-direction:column;min-width:0;padding:22px;display:flex}.list-meta{color:var(--muted);flex-wrap:wrap;gap:7px;font-size:.7rem;display:flex}.list-meta span{color:var(--muted-strong);background:#edf2f0;border-radius:7px;padding:5px 7px}.list-meta .status-wrong{color:#8c342d;background:#ffebe9}.question-list-item h2{overflow-wrap:anywhere;margin:16px 0 22px;font-size:1rem;line-height:1.65}.list-footer{justify-content:space-between;align-items:center;gap:12px;margin-top:auto;display:flex}.tag{color:var(--teal-dark);margin:2px 5px 2px 0;font-size:.68rem;display:inline-block}.empty-state{text-align:center;grid-column:1/-1;padding:50px 24px}.empty-state h1,.empty-state h2{margin-top:0;font-family:inherit}.setup-card{gap:18px;max-width:600px;padding:clamp(24px,5vw,42px);display:grid}.preset-row{grid-template-columns:repeat(4,1fr);gap:8px;display:grid}.preset{min-height:44px;color:var(--muted);border:1px solid var(--line);background:#f8faf9;border-radius:10px}.preset.active{color:#fff;border-color:var(--teal);background:var(--teal)}.toggle-row{border:1px solid var(--line);cursor:pointer;border-radius:12px;align-items:center;min-height:52px;padding:8px 12px;grid-template-columns:auto 1fr!important;gap:12px!important}.toggle-row input{width:22px;min-height:22px;accent-color:var(--teal)}.toggle-copy{align-content:center;min-height:44px;display:grid}.toggle-row strong,.toggle-row small{display:block}.toggle-row small{margin-top:3px}.settings-grid{grid-template-columns:repeat(3,1fr);gap:14px;display:grid}.settings-card{flex-direction:column;min-height:300px;padding:28px;display:flex}.settings-icon{width:48px;height:48px;color:var(--teal-dark);background:#e2f4f1;border-radius:14px;place-items:center;font-size:1.5rem;display:grid}.settings-card h2{margin:22px 0 8px}.settings-card p{color:var(--muted);margin:0 0 24px;line-height:1.7}.settings-card button{margin-top:auto}.danger-card .settings-icon{color:#8d332c;background:#ffebe9}.about-panel{margin-top:14px;padding:28px}.about-panel dl{grid-template-columns:repeat(4,1fr);gap:10px;display:grid}.about-panel dl div{background:#f4f7f6;border-radius:12px;padding:14px}.about-panel dt{color:var(--muted);font-size:.72rem}.about-panel dd{overflow-wrap:anywhere;margin:5px 0 0;font-weight:750}.about-panel p{color:var(--muted);line-height:1.75}.loading-screen{min-height:100dvh;color:var(--muted);text-align:center;align-content:center;place-items:center;gap:16px;padding:24px;display:grid}.loading-screen p{overflow-wrap:anywhere;max-width:560px;margin:0;line-height:1.7}@media (max-width:980px){.app-header{grid-template-columns:1fr auto}.app-header nav{order:3;grid-column:1/-1;justify-content:center;width:100%;margin-bottom:12px}.app-header>.privacy-pill{white-space:nowrap;justify-self:end;align-items:center;max-width:100%;padding:7px 10px;font-size:.72rem;display:inline-flex}.dashboard-hero{grid-template-columns:1fr 220px;gap:35px}.progress-orbit{width:200px}.metric-grid{grid-template-columns:repeat(2,1fr)}.dashboard-grid,.session-layout,.statistics-layout{grid-template-columns:1fr}.statistics-actions,.navigator-panel{position:static}.number-grid{max-height:250px}.filter-panel{grid-template-columns:1fr 1fr}.filter-panel .search-field{grid-column:1/-1}.settings-grid{grid-template-columns:1fr 1fr}}@media (max-width:700px){.app-shell{width:min(100% - 24px,620px);padding-bottom:calc(14px + env(safe-area-inset-bottom))}.app-header{min-height:70px}.app-header .brand small{display:none}.app-header nav{justify-content:flex-start;overflow-x:auto}.app-header nav button{flex:none}.dashboard-hero{grid-template-columns:1fr;gap:30px;padding:42px 24px}.dashboard-hero h1{font-size:2.75rem}.progress-orbit{width:176px}.progress-orbit strong{font-size:2.7rem}.metric-grid{grid-template-columns:repeat(2,1fr);gap:9px}.metric-card{min-height:125px;padding:16px}.metric-card strong{font-size:2rem}.mode-list,.question-list,.settings-grid{grid-template-columns:1fr}.full-set-callout{flex-direction:column;align-items:flex-start}.session-page{padding-top:12px}.session-toolbar{grid-template-columns:auto 1fr auto;gap:9px}.session-toolbar .timer{grid-column:1/-1;justify-self:end}.question-panel{padding:22px 16px calc(20px + env(safe-area-inset-bottom))}.question-meta{align-items:flex-start}.question-title{margin-top:24px;font-size:1.25rem}.answer-option{grid-template-columns:38px minmax(0,1fr);padding:10px 12px}.result-mark{grid-column:2}.session-actions{z-index:4;padding:12px 16px calc(12px + env(safe-area-inset-bottom));border-top:1px solid var(--line);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#fffffff5;margin:22px -16px -20px;position:sticky;bottom:0;box-shadow:0 -10px 28px #112d3f14}.session-actions button{flex:1;min-width:120px}.shortcut-hint{display:none}.result-metrics{grid-template-columns:repeat(2,1fr)}.filter-panel{grid-template-columns:1fr}.filter-panel .search-field{grid-column:auto}.filter-panel label{font-size:.8rem}.filter-panel input,.filter-panel select{font-size:16px}.about-panel dl{grid-template-columns:1fr 1fr}.review-item>.option-explanation-list{margin-left:0}.option-explanation{padding:12px}.page-intro h1{font-size:2.6rem}.app-footer{flex-direction:column;justify-content:center;align-items:flex-start}}@media (max-width:400px){.app-shell{width:calc(100% - 18px)}.brand-mark{width:38px;height:38px}.dashboard-hero{border-radius:22px;padding:34px 18px}.dashboard-hero h1{font-size:2.35rem}.hero-actions button{width:100%}.metric-card{min-width:0}.metric-card strong{font-size:1.75rem}.mode-button{grid-template-columns:38px minmax(0,1fr)}.mode-arrow{display:none}.question-meta{flex-direction:column}.star-button{align-self:flex-end}.preset-row{grid-template-columns:repeat(2,1fr)}.full-set-callout button{width:100%}.attempt-list li{grid-template-columns:40px minmax(0,1fr)}.attempt-score{text-align:left;grid-column:2}.attempt-bar{grid-column:1/-1}}
