*,:before,:after{--tw-border-spacing-x: 0;--tw-border-spacing-y: 0;--tw-translate-x: 0;--tw-translate-y: 0;--tw-rotate: 0;--tw-skew-x: 0;--tw-skew-y: 0;--tw-scale-x: 1;--tw-scale-y: 1;--tw-pan-x: ;--tw-pan-y: ;--tw-pinch-zoom: ;--tw-scroll-snap-strictness: proximity;--tw-gradient-from-position: ;--tw-gradient-via-position: ;--tw-gradient-to-position: ;--tw-ordinal: ;--tw-slashed-zero: ;--tw-numeric-figure: ;--tw-numeric-spacing: ;--tw-numeric-fraction: ;--tw-ring-inset: ;--tw-ring-offset-width: 0px;--tw-ring-offset-color: #fff;--tw-ring-color: rgb(59 130 246 / .5);--tw-ring-offset-shadow: 0 0 #0000;--tw-ring-shadow: 0 0 #0000;--tw-shadow: 0 0 #0000;--tw-shadow-colored: 0 0 #0000;--tw-blur: ;--tw-brightness: ;--tw-contrast: ;--tw-grayscale: ;--tw-hue-rotate: ;--tw-invert: ;--tw-saturate: ;--tw-sepia: ;--tw-drop-shadow: ;--tw-backdrop-blur: ;--tw-backdrop-brightness: ;--tw-backdrop-contrast: ;--tw-backdrop-grayscale: ;--tw-backdrop-hue-rotate: ;--tw-backdrop-invert: ;--tw-backdrop-opacity: ;--tw-backdrop-saturate: ;--tw-backdrop-sepia: ;--tw-contain-size: ;--tw-contain-layout: ;--tw-contain-paint: ;--tw-contain-style: }::backdrop{--tw-border-spacing-x: 0;--tw-border-spacing-y: 0;--tw-translate-x: 0;--tw-translate-y: 0;--tw-rotate: 0;--tw-skew-x: 0;--tw-skew-y: 0;--tw-scale-x: 1;--tw-scale-y: 1;--tw-pan-x: ;--tw-pan-y: ;--tw-pinch-zoom: ;--tw-scroll-snap-strictness: proximity;--tw-gradient-from-position: ;--tw-gradient-via-position: ;--tw-gradient-to-position: ;--tw-ordinal: ;--tw-slashed-zero: ;--tw-numeric-figure: ;--tw-numeric-spacing: ;--tw-numeric-fraction: ;--tw-ring-inset: ;--tw-ring-offset-width: 0px;--tw-ring-offset-color: #fff;--tw-ring-color: rgb(59 130 246 / .5);--tw-ring-offset-shadow: 0 0 #0000;--tw-ring-shadow: 0 0 #0000;--tw-shadow: 0 0 #0000;--tw-shadow-colored: 0 0 #0000;--tw-blur: ;--tw-brightness: ;--tw-contrast: ;--tw-grayscale: ;--tw-hue-rotate: ;--tw-invert: ;--tw-saturate: ;--tw-sepia: ;--tw-drop-shadow: ;--tw-backdrop-blur: ;--tw-backdrop-brightness: ;--tw-backdrop-contrast: ;--tw-backdrop-grayscale: ;--tw-backdrop-hue-rotate: ;--tw-backdrop-invert: ;--tw-backdrop-opacity: ;--tw-backdrop-saturate: ;--tw-backdrop-sepia: ;--tw-contain-size: ;--tw-contain-layout: ;--tw-contain-paint: ;--tw-contain-style: }*,:before,:after{box-sizing:border-box;border-width:0;border-style:solid;border-color:#e5e7eb}:before,:after{--tw-content: ""}html,:host{line-height:1.5;-webkit-text-size-adjust:100%;-moz-tab-size:4;-o-tab-size:4;tab-size:4;font-family:SF Pro Display,PingFang SC,Helvetica Neue,sans-serif;font-feature-settings:normal;font-variation-settings:normal;-webkit-tap-highlight-color:transparent}body{margin:0;line-height:inherit}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;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace;font-feature-settings:normal;font-variation-settings:normal;font-size:1em}small{font-size:80%}sub,sup{font-size:75%;line-height:0;position:relative;vertical-align:baseline}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}button,input,optgroup,select,textarea{font-family:inherit;font-feature-settings:inherit;font-variation-settings:inherit;font-size:100%;font-weight:inherit;line-height:inherit;letter-spacing:inherit;color:inherit;margin:0;padding:0}button,select{text-transform:none}button,input:where([type=button]),input:where([type=reset]),input:where([type=submit]){-webkit-appearance:button;background-color:transparent;background-image:none}:-moz-focusring{outline:auto}:-moz-ui-invalid{box-shadow:none}progress{vertical-align:baseline}::-webkit-inner-spin-button,::-webkit-outer-spin-button{height:auto}[type=search]{-webkit-appearance:textfield;outline-offset:-2px}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-file-upload-button{-webkit-appearance:button;font:inherit}summary{display:list-item}blockquote,dl,dd,h1,h2,h3,h4,h5,h6,hr,figure,p,pre{margin:0}fieldset{margin:0;padding:0}legend{padding:0}ol,ul,menu{list-style:none;margin:0;padding:0}dialog{padding:0}textarea{resize:vertical}input::-moz-placeholder,textarea::-moz-placeholder{opacity:1;color:#9ca3af}input::placeholder,textarea::placeholder{opacity:1;color:#9ca3af}button,[role=button]{cursor:pointer}:disabled{cursor:default}img,svg,video,canvas,audio,iframe,embed,object{display:block;vertical-align:middle}img,video{max-width:100%;height:auto}[hidden]:where(:not([hidden=until-found])){display:none}.filter{filter:var(--tw-blur) var(--tw-brightness) var(--tw-contrast) var(--tw-grayscale) var(--tw-hue-rotate) var(--tw-invert) var(--tw-saturate) var(--tw-sepia) var(--tw-drop-shadow)}:root{color:#17172b;background:#f5f5f9;font-family:SF Pro Display,SF Pro Text,PingFang SC,Helvetica Neue,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;--ink: #17172b;--muted: #707086;--line: #e3e3eb;--canvas: #f5f5f9;--surface: #ffffff;--accent: #6255ed;--accent-dark: #4b40d0;--accent-soft: #eeecff;--mint: #c8f3df;--success: #187a52;--danger: #c34455;--shadow-sm: 0 8px 24px rgba(34, 32, 73, .06);--shadow-lg: 0 24px 80px rgba(34, 32, 73, .12)}*{box-sizing:border-box}html{min-height:100%;overscroll-behavior-y:contain;background:var(--canvas)}body,#root{min-height:100%}body{margin:0;background:radial-gradient(circle at 8% 4%,rgba(206,201,255,.22),transparent 28rem),radial-gradient(circle at 94% 22%,rgba(202,244,225,.26),transparent 24rem),var(--canvas);color:var(--ink);touch-action:pan-x pan-y}button,input,textarea{font:inherit}button{-webkit-tap-highlight-color:transparent}button:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid rgba(98,85,237,.24);outline-offset:2px}button:disabled{cursor:not-allowed;opacity:.48}::-moz-selection{background:#6255ed33}::selection{background:#6255ed33}.app-root{min-height:100vh}.site-header{position:sticky;z-index:40;top:0;border-bottom:1px solid rgba(227,227,235,.8);background:#fafafcd6;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);padding-top:env(safe-area-inset-top)}.site-header-inner{width:min(1180px,calc(100% - 40px));height:72px;margin:0 auto;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:24px}.brand{display:inline-flex;width:-moz-fit-content;width:fit-content;align-items:center;gap:11px;border:0;background:transparent;color:var(--ink);padding:0;cursor:pointer;text-align:left}.brand-mark{display:grid;width:39px;height:39px;place-items:center;border-radius:13px;color:#fff;background:var(--ink);box-shadow:0 8px 20px #17172b2e;font-size:17px;font-weight:800;letter-spacing:-.04em}.brand-copy{display:flex;flex-direction:column;gap:2px}.brand-copy strong{font-size:14px;line-height:1;letter-spacing:-.01em}.brand-copy small{color:#9292a3;font-size:10px;line-height:1;letter-spacing:.05em;text-transform:uppercase}.primary-nav{display:flex;align-items:center;gap:4px;padding:4px;border-radius:999px;background:#ececf2}.primary-nav button{min-width:76px;height:36px;border:0;border-radius:999px;background:transparent;color:var(--muted);cursor:pointer;font-size:13px;font-weight:650;transition:.16s ease}.primary-nav button:hover{color:var(--ink)}.primary-nav button.is-active{color:var(--ink);background:#fff;box-shadow:0 3px 12px #1e1d3f14}.header-actions{display:flex;justify-content:flex-end}.app-shell{width:min(1180px,calc(100% - 40px));margin:0 auto;padding:42px 0 max(72px,calc(48px + env(safe-area-inset-bottom)))}.button-primary,.button-secondary,.button-ghost{min-height:46px;display:inline-flex;align-items:center;justify-content:center;gap:9px;border-radius:14px;padding:0 20px;cursor:pointer;font-size:14px;font-weight:700;transition:transform .16s ease,background-color .16s ease,border-color .16s ease,box-shadow .16s ease}.button-primary{border:1px solid var(--accent);color:#fff;background:var(--accent);box-shadow:0 10px 24px #6255ed33}.button-primary:hover:not(:disabled){transform:translateY(-1px);border-color:var(--accent-dark);background:var(--accent-dark);box-shadow:0 12px 28px #6255ed47}.button-secondary{border:1px solid var(--line);color:var(--ink);background:#fff}.button-secondary:hover:not(:disabled){transform:translateY(-1px);border-color:#c9c7d6;background:#fbfbfd}.button-ghost{border:1px solid transparent;color:#5e5e72;background:transparent}.button-ghost:hover:not(:disabled){color:var(--ink);background:#eeeef4}.button-compact{min-height:39px;padding:0 15px;border-radius:12px;font-size:13px}.button-full{width:100%}.toast{position:fixed;z-index:90;top:calc(88px + env(safe-area-inset-top));left:50%;min-width:min(380px,calc(100% - 32px));max-width:calc(100% - 32px);display:flex;align-items:center;gap:11px;transform:translate(-50%);border:1px solid rgba(224,223,235,.9);border-radius:16px;padding:13px 14px;color:#414153;background:#fffffff5;box-shadow:0 18px 50px #1d1c3d29;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);animation:toast-in .18s ease-out;font-size:13px}.toast-dot{width:8px;height:8px;flex:0 0 auto;border-radius:50%;background:var(--accent);box-shadow:0 0 0 5px var(--accent-soft)}.toast>span:nth-child(2){flex:1}.toast button{width:28px;height:28px;border:0;border-radius:8px;color:#8c8c9d;background:transparent;cursor:pointer;font-size:18px}@keyframes toast-in{0%{opacity:0;transform:translate(-50%,-8px)}to{opacity:1;transform:translate(-50%)}}.eyebrow{display:block;color:#88879a;font-size:11px;font-weight:800;letter-spacing:.14em}.pull-refresh-indicator{display:none;align-items:flex-end;justify-content:center;overflow:hidden;pointer-events:none;transition:height .18s ease-out,opacity .18s ease-out}.pull-refresh-loader{width:42px;height:42px;display:flex;align-items:center;justify-content:center;margin-bottom:10px;border:1px solid var(--line);border-radius:50%;background:#fff;box-shadow:var(--shadow-sm)}.pull-refresh-loader.is-ready{border-color:#cfcaff;background:var(--accent-soft)}.pull-refresh-spinner{width:17px;height:17px;border:2px solid rgba(105,103,131,.2);border-top-color:var(--accent);border-radius:50%;transform:rotate(calc(var(--pull-progress, 0) * 2.8deg))}.pull-refresh-spinner.is-spinning{animation:quiz-spin .8s linear infinite}@keyframes quiz-spin{to{transform:rotate(360deg)}}.library-hero{position:relative;min-height:390px;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(350px,.85fr);align-items:center;overflow:hidden;border-radius:32px;padding:58px 64px;color:#fff;background:radial-gradient(circle at 74% 18%,rgba(140,128,255,.45),transparent 24%),radial-gradient(circle at 94% 92%,rgba(108,218,174,.22),transparent 31%),linear-gradient(135deg,#19182d,#262246 55%,#1b1b33);box-shadow:var(--shadow-lg)}.library-hero:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;opacity:.25;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:36px 36px;-webkit-mask-image:linear-gradient(to right,transparent 42%,#000);mask-image:linear-gradient(to right,transparent 42%,#000)}.hero-copy{position:relative;z-index:1}.hero-copy .eyebrow{color:#aaa4ff}.hero-copy h1{max-width:650px;margin:20px 0 18px;font-size:clamp(42px,5vw,66px);font-weight:720;line-height:1.08;letter-spacing:-.055em}.hero-copy p{max-width:530px;margin:0;color:#ffffffa3;font-size:16px;line-height:1.75}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}.library-hero .button-primary{border-color:#fff;color:var(--ink);background:#fff;box-shadow:0 12px 30px #00000029}.library-hero .button-primary:hover{border-color:#f0efff;background:#f0efff}.library-hero .button-secondary{border-color:#ffffff29;color:#fff;background:#ffffff14}.library-hero .button-secondary:hover{border-color:#ffffff47;background:#ffffff21}.hero-overview{position:relative;z-index:1;min-height:280px}.overview-orbit{position:absolute;border:1px solid rgba(255,255,255,.12);border-radius:50%}.overview-orbit-one{width:250px;height:250px;top:4px;right:22px}.overview-orbit-two{width:170px;height:170px;top:45px;right:62px}.overview-card{position:absolute;display:flex;flex-direction:column;border:1px solid rgba(255,255,255,.12);border-radius:24px;background:#ffffff1a;box-shadow:0 18px 50px #00000029;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.overview-card span,.overview-card small{color:#fff9;font-size:12px}.overview-card strong{margin:7px 0 4px;color:#fff;font-size:46px;font-weight:700;line-height:1;letter-spacing:-.05em}.overview-card-main{width:190px;top:32px;right:8px;padding:24px;transform:rotate(3deg)}.overview-card-secondary{width:210px;right:110px;bottom:22px;padding:22px;transform:rotate(-4deg);background:#695ced5c}.overview-card-secondary strong{font-size:34px}.library-content{margin-top:54px}.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:22px}.section-heading h2{margin:8px 0 4px;font-size:30px;line-height:1.15;letter-spacing:-.04em}.section-heading p{margin:0;color:var(--muted);font-size:13px}.search-box{width:min(310px,100%);height:46px;display:flex;align-items:center;gap:9px;border:1px solid var(--line);border-radius:15px;padding:0 12px 0 15px;background:#ffffffd1;transition:border-color .16s ease,box-shadow .16s ease}.search-box:focus-within{border-color:#b8b2ff;box-shadow:0 0 0 4px var(--accent-soft)}.search-box>span{color:#8a8999;font-size:19px}.search-box input{min-width:0;flex:1;border:0;outline:0;color:var(--ink);background:transparent;font-size:14px}.search-box button{width:26px;height:26px;border:0;border-radius:8px;color:#8a8999;background:#eeeef3;cursor:pointer}.quiz-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.quiz-card{position:relative;min-height:296px;display:flex;flex-direction:column;overflow:hidden;border:1px solid rgba(225,225,234,.92);border-radius:24px;padding:24px;background:#ffffffeb;box-shadow:var(--shadow-sm);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}.quiz-card:hover{transform:translateY(-3px);border-color:#d5d2ed;box-shadow:0 18px 48px #2220491a}.quiz-card-mark{width:52px;height:52px;display:grid;place-items:center;margin-bottom:23px;border-radius:17px;color:#2b2859;font-size:20px;font-weight:800}.tone-1{background:#ddd9ff}.tone-2{background:#c9f1df}.tone-3{background:#ffdfc4}.tone-4{background:#d4e9ff}.quiz-card-topline{position:absolute;top:22px;right:20px;display:flex;align-items:center;gap:8px}.source-badge{border-radius:999px;padding:6px 9px;color:#777589;background:#f1f1f5;font-size:10px;font-weight:700}.icon-button{width:30px;height:30px;border:0;border-radius:9px;color:#9998a8;background:transparent;cursor:pointer;font-size:19px;line-height:1}.icon-button:hover{color:var(--danger);background:#fff0f2}.quiz-card h3{margin:0;overflow:hidden;color:var(--ink);font-size:20px;font-weight:720;line-height:1.35;letter-spacing:-.025em;text-overflow:ellipsis;white-space:nowrap}.quiz-updated{margin:7px 0 0;color:#9291a1;font-size:12px}.quiz-metrics{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:20px 0}.quiz-metrics div{display:flex;flex-direction:column;gap:3px}.quiz-metrics strong{font-size:18px;line-height:1}.quiz-metrics span{color:#9493a3;font-size:11px}.quiz-card-actions{display:flex;gap:8px;margin-top:auto}.quiz-card-actions .button-primary{min-height:42px;flex:1}.quiz-card-actions .button-ghost{min-height:42px;padding:0 14px}.empty-state{min-height:296px;grid-column:1 / -1;display:flex;flex-direction:column;align-items:center;justify-content:center;border:1px dashed #cdccd8;border-radius:24px;padding:42px 24px;text-align:center;background:#ffffff8c}.empty-mark{width:48px;height:48px;display:grid;place-items:center;border-radius:16px;color:var(--accent);background:var(--accent-soft);font-size:19px;font-weight:800}.empty-state h3{margin:18px 0 7px;font-size:18px}.empty-state p{margin:0 0 20px;color:var(--muted);font-size:13px}.page-intro{margin-bottom:28px}.back-link{display:inline-flex;align-items:center;border:0;padding:5px 0;color:#727184;background:transparent;cursor:pointer;font-size:13px;font-weight:650}.back-link:hover{color:var(--ink)}.page-intro-row,.history-title-row{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-top:26px}.page-intro h1,.history-intro h1{max-width:780px;margin:10px 0 9px;font-size:clamp(34px,4vw,48px);line-height:1.1;letter-spacing:-.05em}.page-intro p,.history-intro p{margin:0;color:var(--muted);font-size:14px;line-height:1.6}.draft-count{min-width:112px;display:flex;flex-direction:column;align-items:flex-end;padding-bottom:3px}.draft-count strong{font-size:36px;line-height:1;letter-spacing:-.05em}.draft-count span{margin-top:6px;color:var(--muted);font-size:12px}.builder-top-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(350px,.9fr);align-items:start;gap:20px}.workspace-card{border:1px solid rgba(225,225,234,.95);border-radius:26px;padding:28px;background:#ffffffed;box-shadow:var(--shadow-sm)}.generator-card{background:linear-gradient(145deg,#f2f0ffdb,#fffffff5 48%)}.card-heading,.editor-heading{display:flex;align-items:flex-start;gap:14px}.card-heading h2{margin:0;font-size:21px;line-height:1.2;letter-spacing:-.025em}.card-heading p{margin:6px 0 0;color:var(--muted);font-size:12px;line-height:1.6}.step-number{width:38px;height:38px;flex:0 0 auto;display:grid;place-items:center;border-radius:12px;color:#4d4c60;background:#efeff3;font-size:11px;font-weight:800}.step-accent{color:var(--accent-dark);background:var(--accent-soft)}.field-stack{display:grid;gap:19px;margin-top:25px}.field-label{display:flex;flex-direction:column;gap:8px;color:#4f4e62;font-size:12px;font-weight:700}.field-label>span{display:flex;align-items:center;gap:6px}.field-label small{color:#aaa9b7;font-size:10px;font-weight:600}.field{width:100%;min-height:46px;border:1px solid #dedee7;border-radius:13px;padding:12px 14px;outline:0;color:var(--ink);background:#fff;font-size:14px;font-weight:500;transition:border-color .16s ease,box-shadow .16s ease}.field::-moz-placeholder,.answer-input::-moz-placeholder{color:#adacb9}.field::placeholder,.answer-input::placeholder{color:#adacb9}.field:hover{border-color:#cbc9d8}.field:focus{border-color:#aaa2ff;box-shadow:0 0 0 4px var(--accent-soft)}.field-large{min-height:54px;font-size:16px;font-weight:650}textarea.field{resize:vertical;line-height:1.65}.source-textarea{min-height:230px}.upload-zone{min-height:72px;display:flex;align-items:center;gap:13px;border:1px dashed #ccc9de;border-radius:16px;padding:13px;color:#565468;background:#fafafe;cursor:pointer;transition:border-color .16s ease,background-color .16s ease}.upload-zone:hover{border-color:#a8a1f8;background:var(--accent-soft)}.upload-zone input{position:absolute;width:1px;height:1px;overflow:hidden;opacity:0}.upload-icon{width:40px;height:40px;flex:0 0 auto;display:grid;place-items:center;border-radius:12px;color:var(--accent);background:var(--accent-soft);font-size:20px}.upload-zone>span:last-child{display:flex;flex-direction:column;gap:3px;font-size:12px}.upload-zone small{color:#9694a4;font-size:10px}.compact-fields{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:25px}.generator-card>.field-label{margin-top:18px}.segmented-control{display:grid;grid-template-columns:1fr 1fr;gap:4px;padding:4px;border-radius:13px;background:#ececf2}.segmented-control button{height:38px;border:0;border-radius:10px;color:#79778a;background:transparent;cursor:pointer;font-size:12px;font-weight:700}.segmented-control button.is-active{color:var(--ink);background:#fff;box-shadow:0 3px 12px #1e1d3f12}.generator-button{width:100%;min-height:50px;margin-top:20px}.settings-disclosure{border-top:1px solid var(--line);margin-top:20px}.settings-disclosure+.settings-disclosure{margin-top:0}.settings-disclosure summary{min-height:50px;display:flex;align-items:center;justify-content:space-between;list-style:none;color:#676579;cursor:pointer;font-size:12px;font-weight:700}.settings-disclosure summary::-webkit-details-marker{display:none}.settings-disclosure summary span{font-size:17px;font-weight:400;transition:transform .16s ease}.settings-disclosure[open] summary span{transform:rotate(45deg)}.settings-content{display:grid;gap:14px;padding:2px 0 18px}.settings-content .compact-fields{margin-top:0}.prompt-preview,.json-input{min-height:132px;font-family:SFMono-Regular,Consolas,monospace;font-size:10px;line-height:1.55}.question-editor{margin-top:20px;padding-bottom:32px}.editor-heading{justify-content:space-between;align-items:center}.question-list{display:grid;gap:16px;margin-top:26px}.question-edit-card{border:1px solid #e4e3ec;border-radius:21px;padding:22px;background:#fafafd}.question-edit-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}.question-edit-heading span{color:var(--accent);font-size:11px;font-weight:850;letter-spacing:.09em}.question-edit-heading button{border:0;color:#9b7180;background:transparent;cursor:pointer;font-size:11px;font-weight:700}.question-edit-heading button:hover{color:var(--danger)}.question-prompt-input{min-height:82px;font-size:16px;font-weight:650}.answer-edit-list{display:grid;gap:9px;margin-top:17px}.answer-edit-row{min-height:52px;display:grid;grid-template-columns:39px minmax(0,1fr) 34px;align-items:center;gap:9px;border:1px solid #e0dfe8;border-radius:14px;padding:6px 8px 6px 6px;background:#fff;transition:border-color .16s ease,box-shadow .16s ease}.answer-edit-row:focus-within{border-color:#aaa2ff;box-shadow:0 0 0 3px var(--accent-soft)}.answer-edit-row.is-correct{border-color:#a8dcc4;background:#f5fdf9}.correct-toggle{cursor:pointer}.correct-toggle input{position:absolute;width:1px;height:1px;opacity:0}.correct-toggle span{width:36px;height:36px;display:grid;place-items:center;border-radius:10px;color:#898797;background:#f0f0f4;font-size:12px;font-weight:800}.answer-edit-row.is-correct .correct-toggle span{color:#fff;background:var(--success)}.answer-input{width:100%;min-width:0;border:0;outline:0;color:var(--ink);background:transparent;font-size:13px;font-weight:550}.answer-delete{width:32px;height:32px;border:0;border-radius:9px;color:#a3a1af;background:transparent;cursor:pointer;font-size:17px}.answer-delete:hover{color:var(--danger);background:#fff0f2}.add-answer-button{width:100%;min-height:44px;margin-top:9px;border:1px dashed #d2d0dd;border-radius:13px;color:#69677a;background:transparent;cursor:pointer;font-size:12px;font-weight:700}.add-answer-button:hover{border-color:#aaa2ff;color:var(--accent);background:var(--accent-soft)}.explanation-field{margin-top:17px}.explanation-field textarea{min-height:78px}.builder-save-bar{position:sticky;z-index:20;bottom:max(16px,env(safe-area-inset-bottom));width:min(720px,calc(100% - 24px));min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px;margin:24px auto 0;border:1px solid rgba(255,255,255,.14);border-radius:21px;padding:11px 12px 11px 20px;color:#fff;background:#17172bf0;box-shadow:0 22px 60px #17172b47;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.builder-save-bar>div{min-width:0;display:flex;flex-direction:column;gap:4px}.builder-save-bar strong{overflow:hidden;font-size:13px;text-overflow:ellipsis;white-space:nowrap}.builder-save-bar>div span{color:#ffffff8c;font-size:10px}.builder-save-bar .button-primary{flex:0 0 auto;border-color:#fff;color:var(--ink);background:#fff;box-shadow:none}.builder-save-bar .button-primary:hover{border-color:#eee;background:#eee}.runner-page{min-height:calc(100vh - 160px)}.runner-topbar{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:24px;margin-bottom:20px}.runner-topbar>:last-child{justify-self:end}.runner-title{display:flex;flex-direction:column;align-items:center;gap:4px;text-align:center}.runner-title strong{max-width:420px;overflow:hidden;font-size:15px;text-overflow:ellipsis;white-space:nowrap}.runner-title span{color:var(--muted);font-size:11px}.runner-progress-track{height:3px;overflow:hidden;border-radius:999px;background:#dedde6}.runner-progress-track span{display:block;height:100%;border-radius:inherit;background:var(--accent);transition:width .25s ease}.runner-layout{display:grid;grid-template-columns:230px minmax(0,1fr);align-items:start;gap:28px;margin-top:30px}.question-nav{position:sticky;top:calc(104px + env(safe-area-inset-top));border:1px solid var(--line);border-radius:22px;padding:20px;background:#ffffffe0;box-shadow:var(--shadow-sm)}.question-nav-heading{display:flex;align-items:center;justify-content:space-between;color:#858395;font-size:11px;font-weight:700}.question-nav-heading strong{color:var(--ink)}.question-nav-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:7px;margin-top:16px}.question-nav-grid button{aspect-ratio:1;display:grid;place-items:center;border:1px solid #e0dfe8;border-radius:10px;color:#858394;background:#f7f7fa;cursor:pointer;font-size:11px;font-weight:750}.question-nav-grid button:hover{border-color:#bdb8f8}.question-nav-grid button.is-current{border-color:var(--accent);color:#fff;background:var(--accent);box-shadow:0 6px 14px #6255ed33}.question-nav-grid button.is-correct:not(.is-current){border-color:#b9e3ce;color:var(--success);background:#ebfaf3}.question-nav-grid button.is-wrong:not(.is-current){border-color:#f0c6cd;color:var(--danger);background:#fff0f2}.question-nav-legend{display:flex;gap:15px;margin-top:18px;color:#9694a4;font-size:9px}.question-nav-legend span{display:flex;align-items:center;gap:5px}.question-nav-legend i{width:7px;height:7px;border-radius:50%}.legend-current{background:var(--accent)}.legend-done{background:#94d8b9}.runner-main{min-width:0}.runner-question-card,.result-card{max-width:780px;margin:0 auto;border:1px solid var(--line);border-radius:28px;padding:clamp(28px,5vw,52px);background:#fffffff0;box-shadow:var(--shadow-lg)}.runner-question-meta{display:flex;align-items:center;justify-content:space-between;color:#898798;font-size:11px;font-weight:750}.runner-question-meta span:first-child{color:var(--accent)}.runner-question-card h1{margin:24px 0 10px;font-size:clamp(26px,3vw,36px);line-height:1.28;letter-spacing:-.04em}.runner-question-hint{margin:0;color:var(--muted);font-size:13px}.runner-answers{display:grid;gap:11px;margin-top:30px}.runner-answer{min-height:64px;display:grid;grid-template-columns:40px minmax(0,1fr) auto;align-items:center;gap:14px;border:1px solid #dfdee7;border-radius:17px;padding:11px 16px 11px 11px;color:#363548;background:#fff;cursor:pointer;text-align:left;font-size:14px;font-weight:600;transition:transform .15s ease,border-color .15s ease,background-color .15s ease,box-shadow .15s ease}.runner-answer:hover:not(:disabled){transform:translateY(-1px);border-color:#bcb6ff;box-shadow:0 8px 20px #2c285c12}.runner-answer:disabled{cursor:default;opacity:1}.answer-letter{width:40px;height:40px;display:grid;place-items:center;border-radius:12px;color:#777589;background:#f1f1f5;font-size:12px;font-weight:800}.runner-answer.is-selected{border-color:var(--accent);color:var(--accent-dark);background:var(--accent-soft);box-shadow:0 0 0 3px #6255ed14}.runner-answer.is-selected .answer-letter{color:#fff;background:var(--accent)}.answer-selected-mark{color:var(--accent);font-size:10px}.runner-answer.is-correct{border-color:#9ed7bd;color:#165f43;background:#ebfaf3}.runner-answer.is-correct .answer-letter{color:#fff;background:var(--success)}.runner-answer.is-wrong{border-color:#eab5bf;color:#9d3546;background:#fff0f2}.runner-answer.is-wrong .answer-letter{color:#fff;background:var(--danger)}.runner-answer.is-muted{color:#9694a3;background:#fafafd}.answer-feedback{margin-top:20px;border-radius:16px;padding:17px 18px;font-size:13px;line-height:1.65}.answer-feedback.is-correct{color:#165f43;background:#eaf9f2}.answer-feedback.is-wrong{color:#843443;background:#fff0f2}.answer-feedback strong{display:block;margin-bottom:3px}.answer-feedback p{margin:4px 0 0}.runner-question-actions{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-top:26px;border-top:1px solid var(--line);padding-top:22px}.runner-question-actions>span{color:#9291a1;font-size:11px}.result-card{text-align:center}.result-kicker{display:block;color:var(--accent);font-size:11px;font-weight:850;letter-spacing:.16em}.score-ring{width:150px;height:150px;display:flex;align-items:baseline;justify-content:center;margin:28px auto;border:13px solid var(--accent-soft);border-radius:50%;padding-top:37px;color:var(--accent-dark);box-shadow:inset 0 0 0 1px #dad6ff}.score-ring strong{font-size:50px;line-height:1;letter-spacing:-.06em}.score-ring span{font-size:16px;font-weight:800}.result-card h1{margin:0;font-size:30px;line-height:1.2;letter-spacing:-.04em}.result-card>p{margin:10px 0 0;color:var(--muted);font-size:13px}.result-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:30px}.result-stats div{display:flex;flex-direction:column;gap:4px;border-radius:15px;padding:15px 8px;background:#f5f5f8}.result-stats strong{font-size:20px}.result-stats span{color:var(--muted);font-size:10px}.result-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:9px;margin-top:28px}.history-title-row{align-items:center}.history-intro h1{max-width:720px}.history-actions{display:flex;gap:10px;flex:0 0 auto}.history-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:20px}.history-stats>div{min-height:125px;display:grid;grid-template-columns:1fr auto;grid-template-rows:auto 1fr;align-items:end;border:1px solid var(--line);border-radius:22px;padding:20px;background:#ffffffe0;box-shadow:var(--shadow-sm)}.history-stats span{grid-column:1 / -1;align-self:start;color:#858395;font-size:11px;font-weight:700}.history-stats strong{font-size:34px;line-height:1;letter-spacing:-.05em}.history-stats small{color:#9d9baa;font-size:10px}.history-grid{display:grid;grid-template-columns:minmax(0,1fr) 340px;align-items:start;gap:20px}.attempts-panel .card-heading{justify-content:space-between}.attempt-list{display:grid;gap:2px;margin-top:20px}.attempt-row{min-height:76px;display:grid;grid-template-columns:36px minmax(0,1fr) auto;align-items:center;gap:14px;border-bottom:1px solid #ececf1;padding:10px 4px}.attempt-row:last-child{border-bottom:0}.attempt-index{color:#aaa8b6;font-size:10px;font-weight:800}.attempt-info{min-width:0}.attempt-info>div:first-child{display:flex;align-items:center;justify-content:space-between;gap:15px}.attempt-info strong{font-size:13px}.attempt-info span{overflow:hidden;color:#9694a4;font-size:10px;text-overflow:ellipsis;white-space:nowrap}.attempt-bar{height:4px;overflow:hidden;margin-top:9px;border-radius:999px;background:#ededf2}.attempt-bar span{display:block;height:100%;border-radius:inherit;background:var(--accent)}.attempt-percent{min-width:48px;color:var(--accent-dark);font-size:15px;text-align:right}.empty-state-compact{min-height:310px}.history-side{display:grid;gap:14px}.quick-actions-card{color:#fff;background:radial-gradient(circle at 90% 0%,rgba(129,115,255,.5),transparent 42%),#1d1b35}.quick-actions-card .eyebrow{color:#aaa4ff}.quick-actions-card h2{margin:12px 0 24px;font-size:24px;line-height:1.25;letter-spacing:-.035em}.quick-actions-card .button-primary{border-color:#fff;color:var(--ink);background:#fff;box-shadow:none}.quick-actions-card .button-secondary{margin-top:9px;border-color:#ffffff26;color:#fff;background:#ffffff14}.danger-card{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:20px;box-shadow:none}.danger-card strong{font-size:12px}.danger-card p{margin:4px 0 0;color:#9291a1;font-size:10px}.danger-card button{border:0;border-radius:10px;padding:9px 12px;color:var(--danger);background:#fff0f2;cursor:pointer;font-size:11px;font-weight:700}@media (max-width: 980px){.library-hero{grid-template-columns:minmax(0,1fr) 300px;padding:48px 42px}.hero-copy h1{font-size:46px}.overview-card-secondary{right:70px}.quiz-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.builder-top-grid,.history-grid{grid-template-columns:1fr}.history-side{grid-template-columns:1fr 1fr}.runner-layout{grid-template-columns:1fr}.question-nav{position:static;overflow-x:auto;padding:15px}.question-nav-heading,.question-nav-legend{display:none}.question-nav-grid{display:flex;gap:8px;margin:0}.question-nav-grid button{width:38px;height:38px;flex:0 0 auto;aspect-ratio:auto}}@media (max-width: 760px){.site-header-inner{width:calc(100% - 28px);height:64px;grid-template-columns:1fr auto}.brand-copy small,.primary-nav{display:none}.brand-mark{width:36px;height:36px;border-radius:12px}.header-actions .button-compact{min-height:38px}.app-shell{width:calc(100% - 28px);padding-top:22px;padding-bottom:max(50px,calc(34px + env(safe-area-inset-bottom)))}.toast{top:calc(76px + env(safe-area-inset-top))}.pull-refresh-indicator{display:flex}.library-hero{min-height:510px;grid-template-columns:1fr;align-items:start;border-radius:24px;padding:34px 24px 30px}.library-hero:before{-webkit-mask-image:linear-gradient(to bottom,transparent 35%,#000);mask-image:linear-gradient(to bottom,transparent 35%,#000)}.hero-copy h1{margin-top:15px;font-size:clamp(36px,11vw,48px)}.hero-copy p{font-size:14px;line-height:1.65}.hero-actions{margin-top:22px}.hero-actions .button-primary,.hero-actions .button-secondary{flex:1 1 100%}.hero-overview{min-height:178px;margin-top:18px}.overview-orbit-one{width:175px;height:175px;top:-5px;right:12px}.overview-orbit-two{width:120px;height:120px;top:22px;right:38px}.overview-card{border-radius:18px}.overview-card strong{font-size:31px}.overview-card-main{width:145px;top:5px;right:0;padding:17px}.overview-card-secondary{width:170px;right:92px;bottom:2px;padding:17px}.overview-card-secondary strong{font-size:28px}.library-content{margin-top:36px}.section-heading{align-items:stretch;flex-direction:column;gap:16px}.section-heading h2{font-size:27px}.search-box{width:100%}.quiz-grid{grid-template-columns:1fr}.quiz-card{min-height:280px;border-radius:21px;padding:21px}.page-intro{margin-bottom:22px}.page-intro-row,.history-title-row{align-items:flex-start;flex-direction:column;gap:19px;margin-top:20px}.page-intro h1,.history-intro h1{font-size:34px}.draft-count{width:100%;align-items:center;flex-direction:row;gap:8px;border-top:1px solid var(--line);padding-top:14px}.draft-count strong{font-size:22px}.draft-count span{margin:0}.workspace-card{border-radius:21px;padding:20px}.card-heading{gap:11px}.card-heading h2{font-size:19px}.source-textarea{min-height:190px}.compact-fields{grid-template-columns:1fr 1fr}.editor-heading{align-items:stretch;flex-direction:column}.editor-heading>.button-secondary{width:100%}.question-edit-card{border-radius:17px;padding:17px}.question-prompt-input{font-size:15px}.builder-save-bar{width:100%;min-height:68px;bottom:max(10px,env(safe-area-inset-bottom));border-radius:18px;padding:9px 9px 9px 15px}.builder-save-bar>div span{display:none}.builder-save-bar .button-primary{min-height:46px;padding:0 14px}.runner-topbar{grid-template-columns:1fr auto;gap:12px}.runner-title{grid-row:2;grid-column:1 / -1;align-items:flex-start;text-align:left}.runner-title strong{max-width:100%}.runner-layout{gap:15px;margin-top:18px}.question-nav{margin:0 -14px;border-right:0;border-left:0;border-radius:0;padding-right:14px;padding-left:14px;box-shadow:none}.runner-question-card,.result-card{border-radius:22px;padding:24px 19px}.runner-question-card h1{margin-top:20px;font-size:26px}.runner-answers{margin-top:24px}.runner-answer{min-height:62px;grid-template-columns:38px minmax(0,1fr) auto;gap:11px;border-radius:15px;padding:10px 12px 10px 10px}.answer-letter{width:38px;height:38px}.runner-question-actions{align-items:stretch;flex-direction:column;gap:12px}.runner-question-actions .button-primary{width:100%}.score-ring{width:130px;height:130px;padding-top:31px}.score-ring strong{font-size:43px}.result-card h1{font-size:26px}.result-actions{display:grid;grid-template-columns:1fr}.history-actions{width:100%}.history-actions button{flex:1}.history-stats{grid-template-columns:1fr 1fr}.history-stats>div{min-height:108px}.history-stats>div:last-child{grid-column:1 / -1}.history-side{grid-template-columns:1fr}.attempt-row{grid-template-columns:28px minmax(0,1fr) auto;gap:9px}}@media (prefers-reduced-motion: reduce){*,*:before,*:after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}