/*! tailwindcss v4.2.1 | MIT License | https://tailwindcss.com */
@layer properties{@supports (((-webkit-hyphens:none)) and (not (margin-trim:inline))) or ((-moz-orient:inline) and (not (color:rgb(from red r g b)))){*,:before,:after,::backdrop{--tw-shadow:0 0 #0000;--tw-shadow-color:initial;--tw-shadow-alpha:100%;--tw-inset-shadow:0 0 #0000;--tw-inset-shadow-color:initial;--tw-inset-shadow-alpha:100%;--tw-ring-color:initial;--tw-ring-shadow:0 0 #0000;--tw-inset-ring-color:initial;--tw-inset-ring-shadow:0 0 #0000;--tw-ring-inset:initial;--tw-ring-offset-width:0px;--tw-ring-offset-color:#fff;--tw-ring-offset-shadow:0 0 #0000}}}@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,::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]){appearance:button}::file-selector-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{.visible{visibility:visible}.start{inset-inline-start:var(--spacing)}.end{inset-inline-end:var(--spacing)}.isolate{isolation:isolate}.table{display:table}.shadow{--tw-shadow:0 1px 3px 0 var(--tw-shadow-color,#0000001a), 0 1px 2px -1px var(--tw-shadow-color,#0000001a);box-shadow:var(--tw-inset-shadow), var(--tw-inset-ring-shadow), var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow)}}:root{--ink:#101820;--navy:#132836;--navy-2:#1a3445;--paper:#f3f1e9;--card:#fffefa;--line:#d8d7cf;--muted:#68727a;--lime:#c9f55a;--lime-dark:#54740f;--red:#d84b4b;--red-soft:#fff0ee;--green:#2b7a56;--green-soft:#edf8ef;--blue-soft:#e9f3f7;--mono:ui-monospace, "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;--sans:Inter, "Noto Sans JP", "Yu Gothic UI", "Hiragino Kaku Gothic ProN", system-ui, sans-serif}*{box-sizing:border-box}html{background:var(--paper);color:var(--ink)}body{background:var(--paper);min-width:320px;color:var(--ink);font-family:var(--sans);margin:0}button,input{font:inherit}button{color:inherit}button:focus-visible,a:focus-visible{outline-offset:3px;outline:3px solid #72a7c3}code,kbd{font-family:var(--mono)}.app-shell{min-height:100vh}.topbar{background:var(--navy);color:#fff;border-bottom:1px solid #2a4657;justify-content:space-between;align-items:center;height:74px;padding:0 max(24px,50vw - 620px);display:flex}.brand{color:#fff;cursor:pointer;text-align:left;background:0 0;border:0;align-items:center;gap:11px;padding:6px 0;display:inline-flex}.brand-mark{width:36px;height:36px;color:var(--navy);background:var(--lime);border-radius:8px 2px;place-items:center;display:grid}.brand>span:last-child{line-height:1;display:grid}.brand strong{letter-spacing:-.02em;font-size:20px}.brand em{letter-spacing:.18em;color:#aabcc7;margin-top:5px;font-size:9px;font-style:normal}.header-actions{align-items:center;gap:18px;display:flex}.header-score{text-align:right;line-height:1;display:grid}.header-score b{font:700 18px var(--mono);color:var(--lime)}.header-score small{color:#aabcc7;margin-top:5px;font-size:10px}.sync-button{color:#dce7ec;cursor:pointer;white-space:nowrap;background:#18303f;border:1px solid #536b78;border-radius:7px;max-width:210px;min-height:36px;padding:0 12px;font-size:10px;font-weight:800}.sync-button:hover,.sync-button.synced{border-color:var(--lime);color:var(--lime)}.sync-button.pending{color:#ffd49e;border-color:#e0a15a}.sync-button.syncing{cursor:wait;color:#b8c6ce}.icon-button{color:#fff;cursor:pointer;background:#18303f;border:1px solid #385363;border-radius:8px;place-items:center;width:40px;height:40px;display:grid}.icon-button:hover,.icon-button.active{color:var(--navy);border-color:var(--lime);background:var(--lime)}.workspace{width:min(1240px,100% - 48px);margin:0 auto}.setup-grid{grid-template-columns:292px minmax(0,1fr);align-items:start;gap:28px;padding-top:34px;padding-bottom:60px;display:grid}.panel{background:var(--card);border:1px solid var(--line);box-shadow:0 7px #1018200b}.sidebar{padding:22px 16px 16px;position:sticky;top:22px}.panel-heading{border-bottom:1px solid var(--line);justify-content:space-between;align-items:flex-end;gap:12px;padding:0 6px 17px;display:flex}.panel-heading h2{letter-spacing:-.02em;margin:4px 0 0;font-size:19px}.eyebrow{color:var(--lime-dark);font:800 10px var(--mono);letter-spacing:.14em}.text-button{color:#315f77;cursor:pointer;background:0 0;border:0;padding:8px 3px;font-size:12px;font-weight:700}.chapter-list{gap:4px;padding-top:12px;display:grid}.chapter-row{text-align:left;cursor:pointer;background:0 0;border:1px solid #0000;border-radius:8px;align-items:center;gap:11px;width:100%;min-height:52px;padding:8px 9px;display:flex}.chapter-row:hover{background:#f4f6f2}.chapter-row.selected{background:#edf5e6;border-color:#c9dfaa}.chapter-check{width:27px;height:27px;color:var(--muted);font:700 11px var(--mono);background:#eef0ec;border:1px solid #d9ddd4;border-radius:6px;flex:0 0 27px;place-items:center;display:grid}.chapter-row.selected .chapter-check{background:var(--navy);color:var(--lime);border-color:var(--navy)}.chapter-copy{gap:4px;min-width:0;display:grid}.chapter-copy b{text-overflow:ellipsis;white-space:nowrap;font-size:12.5px;overflow:hidden}.chapter-copy small{color:var(--muted);font-size:10px}.main-column{min-width:0}.intro-row{justify-content:space-between;align-items:flex-start;gap:24px;min-height:140px;padding:8px 4px 20px;display:flex}.intro-row h1{letter-spacing:-.055em;margin:10px 0 0;font-size:clamp(34px,4vw,52px);line-height:1.12}.pool-counter{background:var(--navy);color:#fff;border-left:5px solid var(--lime);min-width:142px;margin-top:8px;padding:15px 17px;display:grid}.pool-counter strong{font:800 36px/1 var(--mono);color:var(--lime)}.pool-counter span{margin-top:5px;font-size:11px;font-weight:800}.pool-counter small{color:#b9c7cf;margin-top:8px;font-size:9px}.summary-strip{border:1px solid var(--line);background:#daddd5;grid-template-columns:repeat(4,1fr);gap:1px;margin-bottom:18px;display:grid}.summary-strip div{background:var(--card);align-content:center;min-height:68px;padding:13px 17px;display:grid}.summary-strip strong{font:800 23px var(--mono);color:var(--navy)}.summary-strip span{color:var(--muted);margin-top:2px;font-size:10px;font-weight:700}.control-panel{padding:26px}.control-group{border-bottom:1px solid var(--line);margin-bottom:24px;padding:0 0 24px}.control-group:last-child,.control-group.compact{border:0;margin:0;padding:0}.control-group>label{margin-bottom:10px;font-size:12px;font-weight:800;display:block}.segmented{background:#eceeea;border:1px solid #d9dcd6;border-radius:10px;gap:4px;padding:4px;display:grid}.segmented.three{grid-template-columns:repeat(3,1fr)}.segmented button{color:#5d676d;cursor:pointer;background:0 0;border:0;border-radius:7px;min-height:42px;font-size:12px;font-weight:800}.segmented button:hover{background:#f7f8f5}.segmented button.active{background:var(--navy);color:#fff;box-shadow:0 2px #0000001f}.control-note{color:var(--muted);margin:8px 2px 0;font-size:10px;line-height:1.6}.mode-grid{grid-template-columns:repeat(5,1fr);gap:8px;display:grid}.mode-card{border:1px solid var(--line);text-align:left;cursor:pointer;background:#fafaf6;border-radius:8px;align-content:center;gap:5px;min-height:70px;padding:10px;display:grid}.mode-card b{font-size:11px}.mode-card small{color:var(--muted);font-size:9px;line-height:1.35}.mode-card:hover{border-color:#8297a2}.mode-card.active{border-color:var(--navy);background:var(--blue-soft);box-shadow:inset 0 -3px 0 var(--navy)}.split-controls{grid-template-columns:1fr 1fr;gap:28px;display:grid}.count-buttons{grid-template-columns:repeat(5,1fr);gap:6px;display:grid}.count-buttons button{border:1px solid var(--line);min-height:43px;font:700 12px var(--mono);cursor:pointer;background:#fafaf6;border-radius:7px}.count-buttons button.active{background:var(--lime);color:#203005;border-color:#a7d237}.toggle-stack{gap:8px;display:grid}.toggle-row{border:1px solid var(--line);text-align:left;cursor:pointer;background:#fafaf6;border-radius:8px;justify-content:space-between;align-items:center;gap:10px;min-height:48px;padding:7px 10px 7px 12px;display:flex}.toggle-row>span{gap:2px;display:grid}.toggle-row b{font-size:10.5px}.toggle-row small{color:var(--muted);font-size:8.5px}.toggle-row i{background:#b7bdbd;border-radius:11px;flex:0 0 38px;width:38px;height:22px;transition:all .15s;position:relative}.toggle-row i:after{content:"";background:#fff;border-radius:50%;width:16px;height:16px;transition:all .15s;position:absolute;top:3px;left:3px}.toggle-row i.on{background:var(--navy)}.toggle-row i.on:after{background:var(--lime);left:19px}.start-bar{z-index:3;background:var(--navy);color:#fff;border-top:4px solid var(--lime);justify-content:space-between;align-items:center;gap:16px;margin-top:14px;padding:16px 18px 16px 20px;display:flex;position:sticky;bottom:0;box-shadow:0 -7px 24px #0f1f2929}.start-bar>div{grid-template-columns:auto auto;align-items:baseline;column-gap:9px;display:grid}.start-bar div>span{color:#afc0c8;font-size:10px;font-weight:700}.start-bar div strong{font:800 22px var(--mono);color:var(--lime)}.start-bar div small{color:#afc0c8;grid-column:1/-1;margin-top:3px;font-size:9px}.primary-button,.secondary-button,.next-button{cursor:pointer;border-radius:8px;justify-content:center;align-items:center;gap:12px;min-height:46px;padding:0 20px;font-weight:800;display:inline-flex}.primary-button{border:1px solid var(--lime);background:var(--lime);color:#1b2a05;min-width:172px}.primary-button:hover{background:#d8ff72}.primary-button:disabled{opacity:.38;cursor:not-allowed}.primary-button>span,.next-button>span{font-size:20px}.secondary-button{color:var(--navy);background:#fff;border:1px solid #bdc2c1}.quiz-wrap{width:min(900px,100% - 40px);margin:0 auto;padding:34px 0 70px}.quiz-meta{justify-content:space-between;align-items:center;display:flex}.back-button{min-height:40px;color:var(--muted);cursor:pointer;background:0 0;border:0;align-items:center;gap:6px;font-size:11px;font-weight:800;display:inline-flex}.progress-copy{font-family:var(--mono);align-items:baseline;gap:12px;display:flex}.progress-copy span{color:var(--muted);font-size:11px}.progress-copy b{color:var(--navy);font-size:15px}.progress-track{background:#d5d8d3;height:6px;margin:9px 0 18px;overflow:hidden}.progress-track span{background:var(--lime-dark);height:100%;transition:width .2s;display:block}.quiz-card{background:var(--card);border:1px solid var(--line);border-top:6px solid var(--navy);min-height:570px;padding:34px 42px 28px;box-shadow:0 9px #1018200d}.question-tags{flex-wrap:wrap;gap:6px;display:flex}.question-tags>span{color:#48545b;font:700 9px var(--mono);background:#edf0ec;border-radius:5px;padding:5px 8px}.question-tags .basic{color:#38520b;background:#e7f1d7}.question-tags .extra{color:#745c1a;background:#f1e9d3}.question-tags .miss-tag{background:var(--red-soft);color:#a63232}.question-label{color:#6e7e86;font:800 10px var(--mono);letter-spacing:.12em;margin:28px 0 10px}.quiz-card>h1{letter-spacing:-.035em;min-height:74px;margin:0 0 24px;font-size:clamp(23px,3vw,34px);line-height:1.45}.choice-list{gap:10px;display:grid}.choice-button{text-align:left;cursor:pointer;touch-action:manipulation;background:#fbfbf7;border:1px solid #cfd3d1;border-radius:9px;align-items:center;gap:14px;width:100%;min-height:60px;padding:10px 16px 10px 11px;transition:transform 80ms,border-color 80ms,background 80ms;display:flex}.choice-button:not(:disabled):hover{border-color:var(--navy);transform:translate(3px)}.choice-key{color:#536069;width:35px;height:35px;font:800 12px var(--mono);background:#e9ece8;border:1px solid #d8ddd8;border-radius:7px;flex:0 0 35px;place-items:center;display:grid}.choice-button code{overflow-wrap:anywhere;font-size:clamp(13px,1.8vw,16px);font-weight:700}.choice-button.correct{background:var(--green-soft);border-color:#79b08e}.choice-button.correct .choice-key{background:var(--green);color:#fff;border-color:var(--green)}.choice-button.wrong{background:var(--red-soft);border-color:#e1928c}.choice-button.wrong .choice-key{background:var(--red);color:#fff;border-color:var(--red)}.choice-button.dimmed{opacity:.45}.feedback{border-left:5px solid;margin-top:18px;padding:16px 18px}.feedback.success{background:var(--green-soft);border-color:var(--green)}.feedback.error{background:var(--red-soft);border-color:var(--red)}.feedback-title{align-items:center;gap:9px;display:flex}.feedback-title>span{color:#fff;background:var(--green);border-radius:50%;place-items:center;width:29px;height:29px;display:grid}.feedback.error .feedback-title>span{background:var(--red)}.feedback-title b{font-size:13px}.feedback-title code{color:#1a333f;margin-left:auto;font-size:12px;font-weight:800}.feedback p{color:#425058;margin:10px 0 0 38px;font-size:12px;line-height:1.7}.quiz-footer{border-top:1px solid var(--line);justify-content:space-between;align-items:center;gap:16px;min-height:70px;margin-top:18px;padding-top:18px;display:flex}.keyboard-hint{color:#738087;align-items:center;gap:5px;font-size:10px;display:inline-flex}kbd{color:#4f5c63;background:#e9ebe7;border:1px solid #cbd0cc;border-bottom-width:2px;border-radius:4px;place-items:center;min-width:20px;height:20px;padding:0 5px;font-size:9px;display:inline-grid}.next-button{border:1px solid var(--navy);background:var(--navy);color:#fff;min-width:160px}.next-button:hover{background:var(--navy-2)}.next-button:disabled{opacity:.25;cursor:not-allowed}.result-wrap{max-width:980px;padding:58px 0 80px}.result-hero{background:var(--navy);color:#fff;border-top:7px solid var(--lime);padding:42px}.result-hero .eyebrow{color:var(--lime)}.result-hero h1{letter-spacing:-.05em;margin:11px 0 8px;font-size:clamp(30px,4vw,44px)}.result-hero>p{color:#bdcad1;margin:0;font-size:12px}.result-stats{background:#3a5261;border:1px solid #3a5261;grid-template-columns:150px repeat(3,1fr);gap:1px;margin-top:32px;display:grid}.result-stats>div{background:#18303f;align-content:center;place-items:center;gap:7px;min-height:112px;display:grid}.result-stats>div>strong{font:800 28px var(--mono);color:var(--lime)}.result-stats>div>span{color:#b7c5cd;font-size:10px}.score-ring{border:8px solid var(--lime);border-radius:50%;width:92px;height:92px;margin:10px auto}.score-ring>span{background:#18303f;border-radius:50%;align-content:center;place-items:center;width:72px;height:72px;font-size:11px;display:grid}.score-ring strong{font:800 25px var(--mono);color:var(--lime)}.result-actions{gap:10px;margin-top:24px;display:flex}.wrong-section{margin-top:28px}.section-title{justify-content:space-between;align-items:flex-end;margin-bottom:13px;display:flex}.section-title h2{margin:5px 0 0;font-size:22px}.section-title>span{color:var(--muted);font:700 12px var(--mono)}.wrong-list{gap:9px;display:grid}.wrong-list article{background:var(--card);border:1px solid var(--line);border-left:4px solid var(--red);grid-template-columns:42px 1fr;gap:14px;padding:20px;display:grid}.wrong-list article>span{color:#a9afb1;font:700 14px var(--mono)}.wrong-list h3{margin:0 0 9px;font-size:14px;line-height:1.55}.wrong-list code{color:#183747;background:#e9eff0;border-radius:4px;padding:4px 7px;font-size:12px;font-weight:700;display:inline-block}.wrong-list p{color:var(--muted);margin:10px 0 0;font-size:11px;line-height:1.65}.empty-state{background:var(--card);min-height:190px;color:var(--green);border:1px dashed #b9c1bc;align-content:center;place-items:center;gap:8px;display:grid}.empty-state b{font-size:16px}.empty-state span{color:var(--muted);font-size:11px}.stats-wrap{max-width:1080px;padding:52px 0 80px}.stats-heading{justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:25px;display:flex}.stats-heading h1{letter-spacing:-.05em;margin:7px 0 5px;font-size:40px}.stats-heading p{color:var(--muted);margin:0;font-size:12px}.stats-cards{grid-template-columns:repeat(4,1fr);gap:10px;display:grid}.stats-cards>div{background:var(--navy);color:#fff;border-top:4px solid var(--lime);align-content:center;min-height:145px;padding:20px;display:grid}.stats-cards span{color:#b8c6ce;font-size:10px;font-weight:700}.stats-cards strong{font:800 34px var(--mono);color:var(--lime);margin-top:8px}.stats-cards strong small{margin-left:4px;font-size:12px}.stats-cards p{color:#aebec6;margin:8px 0 0;font-size:9px}.chapter-progress-panel{margin-top:18px;padding:24px}.chapter-progress-list{grid-template-columns:1fr 1fr;gap:0 34px;padding-top:8px;display:grid}.chapter-progress-row{border-bottom:1px solid #e2e2dc;grid-template-columns:34px 1fr 48px;align-items:center;gap:12px;min-height:65px;display:grid}.chapter-number{background:var(--navy);width:29px;height:29px;color:var(--lime);font:700 11px var(--mono);border-radius:6px;place-items:center;display:grid}.chapter-progress-copy{gap:7px;display:grid}.chapter-progress-copy>div:first-child{justify-content:space-between;gap:10px;display:flex}.chapter-progress-copy b{text-overflow:ellipsis;white-space:nowrap;font-size:11px;overflow:hidden}.chapter-progress-copy span{color:var(--muted);font-size:9px}.mini-track{background:#e2e4df;height:4px;overflow:hidden}.mini-track i{background:var(--lime-dark);height:100%;display:block}.chapter-progress-row>strong{text-align:right;font:700 12px var(--mono)}.danger-zone{background:#fff7f5;border:1px solid #e4b7b2;justify-content:space-between;align-items:center;gap:16px;margin-top:26px;padding:18px 20px;display:flex}.danger-zone>div{gap:3px;display:grid}.danger-zone b{font-size:12px}.danger-zone span{color:#8a6260;font-size:9px}.danger-zone button{color:#9b3732;cursor:pointer;background:#fff;border:1px solid #d88982;border-radius:7px;align-items:center;gap:7px;min-height:40px;padding:0 13px;font-size:10px;font-weight:800;display:inline-flex}.site-footer{color:#6b7478;background:#e6e5de;border-top:1px solid #d2d1c9;justify-content:space-between;align-items:center;gap:20px;min-height:66px;padding:0 max(24px,50vw - 620px);font-size:9px;display:flex}.site-footer span{align-items:center;gap:7px;display:inline-flex}.site-footer a{color:#315f77;font-weight:700;text-decoration:none}.sync-overlay{z-index:20;background:#0a161db8;place-items:center;padding:20px;display:grid;position:fixed;inset:0}.sync-dialog{background:var(--card);border:1px solid var(--line);border-top:6px solid var(--lime);width:min(460px,100%);max-height:calc(100vh - 40px);padding:30px;position:relative;overflow-y:auto;box-shadow:0 24px 70px #00000047}.sync-dialog h2{letter-spacing:-.035em;margin:7px 0 9px;font-size:26px}.dialog-close{border:1px solid var(--line);width:36px;height:36px;color:var(--muted);cursor:pointer;background:#fff;border-radius:7px;font-size:22px;line-height:1;position:absolute;top:13px;right:13px}.dialog-lead{color:var(--muted);margin:0 0 20px;font-size:11px;line-height:1.75}.magic-link-form{gap:9px;display:grid}.magic-link-form label{font-size:11px;font-weight:800}.magic-link-form input{background:#fff;border:1px solid #bfc6c5;border-radius:7px;width:100%;min-height:48px;padding:0 13px;font-size:14px}.magic-link-form input:focus{border-color:#4f7d94;outline:3px solid #cce5f0}.magic-link-form .primary-button{width:100%;margin-top:3px}.sync-state-card{background:var(--green-soft);border-left:5px solid var(--green);gap:6px;margin:18px 0;padding:17px;display:grid}.sync-state-card.pending{background:#fff5e6;border-color:#d18732}.sync-state-card.syncing{background:var(--blue-soft);border-color:#527f95}.sync-state-card b{font-size:13px}.sync-state-card span{overflow-wrap:anywhere;color:var(--muted);font-size:9px}.dialog-actions{justify-content:space-between;align-items:center;gap:14px;display:flex}.dialog-actions .primary-button{min-width:150px}.danger-text{color:#9b3732}.dialog-message{border-left:4px solid;margin:13px 0 0;padding:11px 12px;font-size:10px;line-height:1.6}.dialog-message.success{background:var(--green-soft);border-color:var(--green);color:#275d46}.dialog-message.error{background:var(--red-soft);border-color:var(--red);color:#87332f}.privacy-note{color:#7a8489;margin:16px 0 0;font-size:9px;line-height:1.65}@media (width<=980px){.workspace{width:min(100% - 32px,780px)}.setup-grid{grid-template-columns:1fr}.sidebar{position:static}.chapter-list{grid-template-columns:1fr 1fr}.mode-grid{grid-template-columns:repeat(3,1fr)}.stats-cards{grid-template-columns:1fr 1fr}}@media (width<=650px){.topbar{height:62px;padding:0 15px}.brand-mark{width:32px;height:32px}.brand strong{font-size:17px}.brand em{font-size:7px}.header-actions{gap:10px}.header-score{display:none}.sync-button{text-overflow:ellipsis;max-width:132px;min-height:34px;padding:0 8px;font-size:8px;overflow:hidden}.icon-button{width:38px;height:38px}.workspace{width:calc(100% - 24px)}.setup-grid{gap:18px;padding-top:20px;padding-bottom:38px}.sidebar{padding:18px 11px 11px}.chapter-list{grid-template-columns:1fr;max-height:300px;overflow-y:auto}.chapter-row{min-height:50px}.intro-row{align-items:flex-end;min-height:112px;padding:3px 2px 14px}.intro-row h1{font-size:30px}.pool-counter{min-width:101px;padding:12px}.pool-counter strong{font-size:28px}.pool-counter small{display:none}.summary-strip div{min-height:60px;padding:9px}.summary-strip strong{font-size:19px}.summary-strip span{font-size:8px}.control-panel{padding:17px 13px}.control-group{margin-bottom:20px;padding-bottom:20px}.segmented button{touch-action:manipulation;min-height:46px;font-size:10.5px}.mode-grid{grid-template-columns:1fr 1fr;gap:7px}.mode-card{touch-action:manipulation;min-height:64px}.mode-card:last-child{grid-column:1/-1}.split-controls{grid-template-columns:1fr;gap:20px}.count-buttons button{touch-action:manipulation;min-height:48px}.toggle-row{touch-action:manipulation;min-height:56px}.start-bar{padding:13px max(14px, env(safe-area-inset-right)) calc(13px + env(safe-area-inset-bottom)) max(14px, env(safe-area-inset-left));margin-left:-12px;margin-right:-12px;bottom:0}.start-bar .primary-button{min-width:135px;min-height:50px;padding:0 15px}.quiz-wrap{width:100%;padding:18px 12px 46px}.quiz-meta{padding:0 3px}.quiz-card{border-top-width:5px;min-height:0;padding:23px 15px 20px}.question-label{margin-top:21px}.quiz-card>h1{min-height:0;margin-bottom:20px;font-size:22px;line-height:1.5}.choice-button{touch-action:manipulation;min-height:60px;padding-right:11px}.choice-button:not(:disabled):hover{transform:none}.choice-button code{font-size:13px}.feedback-title{flex-wrap:wrap}.feedback-title code{width:100%;margin:3px 0 0 38px}.feedback p{margin-left:0}.quiz-footer{padding:12px 15px calc(12px + env(safe-area-inset-bottom));background:var(--card);margin:18px -15px -20px;position:sticky;bottom:0}.keyboard-hint{display:none}.next-button{width:100%;min-height:52px}.result-wrap,.stats-wrap{padding-top:24px}.result-hero{padding:27px 18px}.result-hero h1{font-size:29px}.result-stats{grid-template-columns:repeat(3,1fr)}.result-stats .score-ring{grid-column:1/-1}.result-stats>div{min-height:88px}.result-actions{display:grid}.result-actions button{width:100%}.wrong-list article{grid-template-columns:31px 1fr;gap:8px;padding:15px 12px}.stats-heading{align-items:flex-start}.stats-heading h1{font-size:32px}.stats-heading .secondary-button{width:48px;min-width:48px;padding:0;font-size:0}.stats-cards{gap:7px}.stats-cards>div{min-height:126px;padding:14px}.stats-cards strong{font-size:29px}.chapter-progress-panel{padding:18px 12px}.chapter-progress-list{grid-template-columns:1fr}.danger-zone{align-items:flex-start}.danger-zone>div span{max-width:210px;line-height:1.5}.site-footer{flex-direction:column;justify-content:center;align-items:flex-start;gap:7px;min-height:76px;padding:16px}.sync-overlay{place-items:end center;padding:12px}.sync-dialog{width:100%;max-height:calc(100vh - 24px);padding:25px 18px calc(20px + env(safe-area-inset-bottom))}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition:none!important}}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}