@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-border-style:solid;--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;--tw-outline-style:solid;--tw-blur:initial;--tw-brightness:initial;--tw-contrast:initial;--tw-grayscale:initial;--tw-hue-rotate:initial;--tw-invert:initial;--tw-opacity:initial;--tw-saturate:initial;--tw-sepia:initial;--tw-drop-shadow:initial;--tw-drop-shadow-color:initial;--tw-drop-shadow-alpha:100%;--tw-drop-shadow-size:initial}}}@layer theme{:root,:host{--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, 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,-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, 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:where(:not(iframe)){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{.invisible{visibility:hidden}.visible{visibility:visible}.sr-only{clip-path:inset(50%);white-space:nowrap;border-width:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.fixed{position:fixed}.relative{position:relative}.sticky{position:sticky}.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}.contents{display:contents}.flex{display:flex}.grid{display:grid}.hidden{display:none}.table{display:table}.grow{flex-grow:1}.resize{resize:both}.flex-wrap{flex-wrap:wrap}.rounded{border-radius:.25rem}.border{border-style:var(--tw-border-style);border-width:1px}.p-17{padding:calc(var(--spacing) * 17)}.ring{--tw-ring-shadow:var(--tw-ring-inset,) 0 0 0 calc(1px + var(--tw-ring-offset-width)) var(--tw-ring-color,currentcolor);box-shadow:var(--tw-inset-shadow), var(--tw-inset-ring-shadow), var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow)}.outline{outline-style:var(--tw-outline-style);outline-width:1px}.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,:root[data-theme=light]{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--paper:#f5f6f8;--surface:#fff;--surface-2:#f7f7f8;--surface-3:#eef0f3;--line:#e3e6ea;--line-strong:#7b8492;--ink:#1f2328;--muted:#5b6370;--subtle:#5b6370;--faint:#5b6370;--teal:#35509a;--teal-light:#e8eef9;--accent-ink:#35509a;--accent-strong:#293f7b;--accent-muted:#35509a;--accent-soft:#e8eef9;--accent-line:#b7c5e6;--on-accent:#fff;--navy:#35509a;--gold:#9a4f00;--warn-bg:#fff7eb;--warn-ink:#9a4f00;--warn-line:#e7c99d;--danger:#c62828;--danger-bg:#fff0f0;--danger-line:#e9bbbb;--success:#2e7d32;--success-bg:#edf6ed;--focus:#35509a;--card-shadow:none;--skill-listen:var(--accent-ink);--skill-listen-bg:var(--accent-soft);--skill-read:var(--accent-ink);--skill-read-bg:var(--accent-soft);--skill-write:var(--accent-ink);--skill-write-bg:var(--accent-soft);--skill-speak:var(--accent-ink);--skill-speak-bg:var(--accent-soft)}:root[data-theme=dark]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--paper:#15171c;--surface:#1d2027;--surface-2:#23262e;--surface-3:#292d36;--line:#2e323b;--line-strong:#606b7d;--ink:#e6e8eb;--muted:#9aa3ae;--subtle:#9aa3ae;--faint:#9aa3ae;--teal:#8fa9e6;--teal-light:#2a344b;--accent-ink:#8fa9e6;--accent-strong:#afc2ef;--accent-muted:#8fa9e6;--accent-soft:#2a344b;--accent-line:#526691;--on-accent:#15171c;--navy:#8fa9e6;--gold:#edb46c;--warn-bg:#30291f;--warn-ink:#edb46c;--warn-line:#6a5434;--danger:#ff9c9c;--danger-bg:#362429;--danger-line:#74454d;--success:#8dce90;--success-bg:#243528;--focus:#8fa9e6}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:76px}body{background:var(--paper);color:var(--ink);-webkit-font-smoothing:antialiased;margin:0;font-family:Arial,Helvetica,sans-serif;font-size:16px;line-height:1.6}button,input,textarea,select{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed}a{color:inherit;text-decoration:none}h1,h2,h3,p{margin:0}h1,h2,h3{line-height:1.35}h1{font-size:28px;font-weight:650}h2{font-size:21px;font-weight:650}h3{font-size:17px;font-weight:600}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--focus);outline-offset:3px}input,textarea,select{color:var(--ink);border:1px solid var(--line-strong);background:var(--surface);border-radius:6px;padding:9px 11px}input::placeholder,textarea::placeholder{color:var(--muted);opacity:1}textarea{resize:vertical;width:100%;line-height:1.6;display:block}textarea:disabled,input:disabled,select:disabled{background:var(--surface-3);color:var(--muted)}input[type=checkbox],input[type=radio]{accent-color:var(--accent-ink);flex-shrink:0;width:17px;height:17px;margin:0;padding:0}fieldset{min-width:0;margin:0}label{cursor:pointer}ul{padding-left:23px}li+li{margin-top:5px}svg{flex-shrink:0}::selection{background:var(--accent-soft);color:var(--ink)}.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}.skip-link{z-index:100;background:var(--surface);border:1px solid var(--accent-ink);border-radius:6px;padding:8px 14px;position:fixed;top:8px;left:12px;transform:translateY(-150%)}.skip-link:focus{transform:none}.site-header{background:var(--surface);border-bottom:1px solid var(--line);height:56px}.header-inner{align-items:center;gap:24px;max-width:1600px;height:100%;margin:auto;padding:0 24px;display:flex}.brand{white-space:nowrap;align-items:center;gap:9px;font-size:19px;font-weight:650;display:flex}.brand-symbol{color:var(--accent-ink);place-items:center;display:grid}.brand-symbol svg{width:23px;height:23px}.header-inner nav{align-items:center;gap:24px;height:100%;margin-left:auto;display:flex}.header-inner nav a{color:var(--muted);padding:4px 0;font-size:15px}.header-inner nav a.active{color:var(--accent-ink);font-weight:600}.theme-toggle,.icon-button{border:1px solid var(--line);background:var(--surface);width:36px;height:36px;color:var(--muted);border-radius:6px;place-items:center;display:grid}.theme-toggle svg,.icon-button svg{width:18px;height:18px}.main-container{max-width:1600px;min-height:calc(100vh - 120px);margin:0 auto;padding:24px 24px 48px}.site-footer{border-top:1px solid var(--line);max-width:1552px;color:var(--muted);justify-content:space-between;gap:16px;margin:auto;padding:18px 24px;font-size:13px;display:flex}.button{border:1px solid var(--line-strong);background:var(--surface);min-height:40px;color:var(--ink);border-radius:6px;justify-content:center;align-items:center;gap:8px;padding:9px 16px;font-size:15px;font-weight:500;line-height:1.4;display:inline-flex}.button svg{width:17px;height:17px}.button.primary{background:var(--accent-ink);border-color:var(--accent-ink);color:var(--on-accent)}.button.secondary,.button.light{color:var(--accent-ink);border-color:var(--accent-line)}.button.ghost{color:var(--accent-ink);border-color:var(--line)}.button:hover:not(:disabled),.icon-button:hover{background:var(--accent-soft);color:var(--accent-ink)}.button.primary:hover:not(:disabled){background:var(--accent-strong);color:var(--on-accent)}.button:disabled{background:var(--surface-3);border-color:var(--line);color:var(--muted)}.small-button{min-height:32px;padding:5px 12px;font-size:14px}.badge{color:var(--muted);background:var(--surface-2);border-radius:6px;align-items:center;gap:5px;padding:2px 7px;font-size:13px;display:inline-flex}.badge.teal{color:var(--accent-ink);background:var(--accent-soft)}.badge.amber{color:var(--warn-ink);background:var(--warn-bg)}.badge svg{width:14px;height:14px}.back-link{color:var(--accent-ink);margin-bottom:16px;font-size:15px;display:inline-block}.quiet-note,.suggested-time,.recorder-note,.review-summary{color:var(--muted);font-size:14px}.quiet-note{margin-top:14px}.error-notice,.warning-notice{border:1px solid var(--danger-line);background:var(--danger-bg);color:var(--danger);border-radius:6px;margin:16px 0;padding:12px 16px}.warning-notice{color:var(--warn-ink);background:var(--warn-bg);border-color:var(--warn-line)}.field-error,.over-limit{color:var(--danger)}.loading-state{color:var(--muted);justify-content:center;align-items:center;gap:12px;padding:60px 20px;display:flex}.spinner{border:2px solid var(--line-strong);border-top-color:var(--accent-ink);border-radius:50%;width:18px;height:18px;animation:1s linear infinite spin;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}.empty-state{text-align:center;background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:40px 24px}.empty-state>svg{color:var(--muted);margin:0 auto 16px}.empty-state p{color:var(--muted);margin:12px 0}.eyebrow{color:var(--muted);letter-spacing:0;text-transform:none;margin-bottom:6px;font-size:14px}.home-hero{padding:10px 0 24px}.hero-description{color:var(--muted);margin-top:8px}.hero-art,.hero-features,.unit-mark,.subtle-number,.unit-card-top .unit-number{display:none}.access-panel{background:var(--surface);border:1px solid var(--line);border-radius:6px;align-items:center;gap:16px;margin-bottom:24px;padding:20px;display:flex}.access-icon{color:var(--accent-ink)}.access-panel h2{font-size:19px}.access-panel p{color:var(--muted);margin-top:3px;font-size:14px}.access-panel form{gap:10px;margin-left:auto;display:flex}.access-panel input{width:230px}.section-heading{justify-content:space-between;align-items:center;margin-bottom:16px;display:flex}.section-heading h2{font-size:21px}.units-grid,.skill-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;display:grid}.unit-card,.skill-card{background:var(--surface);border:1px solid var(--line);border-radius:6px;min-width:0;padding:18px}.unit-card-top{float:right;margin-left:8px}.unit-card-top .badge{background:0 0;padding:0;font-size:12px}.unit-label{color:var(--muted);text-transform:capitalize;font-size:14px}.unit-card h3{margin-top:8px;font-size:21px}.unit-grammar{color:var(--muted);min-height:45px;margin:8px 0 16px;font-size:14px}.unit-card-bottom{border-top:1px solid var(--line);justify-content:space-between;align-items:center;gap:10px;padding-top:12px;display:flex}.best-score{color:var(--muted);font-size:13px}.best-score strong{color:var(--ink);font-weight:500;display:block}.round-link{border:1px solid var(--accent-line);color:var(--accent-ink);white-space:nowrap;border-radius:6px;justify-content:center;align-items:center;gap:6px;padding:5px 9px;font-size:14px;display:inline-flex}.round-link svg{width:16px;height:16px}.round-link.disabled{color:var(--muted);border-color:var(--line)}.unit-heading{padding:0 0 24px}.unit-heading p{color:var(--muted);margin-top:7px}.grammar-chips{color:var(--muted);flex-wrap:wrap;gap:8px;margin:12px 0;font-size:14px;display:flex}.grammar-chips span+span:before{content:"·";margin-right:8px}.mode-panel{background:var(--surface);border:1px solid var(--line);border-radius:6px;justify-content:space-between;align-items:center;gap:24px;margin-bottom:20px;padding:18px 20px;display:flex}.mode-panel h2{font-size:18px}.mode-panel p{color:var(--muted);margin-top:5px;font-size:14px}.mode-switch{flex-shrink:0;gap:6px;display:flex}.mode-switch button{background:var(--surface-2);border:1px solid var(--line);border-radius:6px;justify-content:center;align-items:center;gap:8px;padding:8px 14px;font-size:15px;display:inline-flex}.mode-switch button.selected{background:var(--accent-soft);color:var(--accent-ink);border-color:var(--accent-line)}.mode-switch svg{width:17px;height:17px}.skill-card-top{margin-bottom:12px}.skill-icon{color:var(--accent-ink);align-items:center;display:inline-flex}.skill-icon svg{width:23px;height:23px}.skill-card h2{font-size:20px}.skill-card>p{color:var(--muted);min-height:45px;margin-top:6px;font-size:14px}.skill-details{border-top:1px solid var(--line);color:var(--muted);margin:14px 0;padding-top:12px;font-size:14px}.skill-details strong{color:var(--ink);font-weight:500;display:block}.skill-card .button{width:100%}.full-exam-panel{background:var(--surface);border:1px solid var(--line);border-radius:6px;justify-content:space-between;align-items:center;gap:24px;margin-top:20px;padding:20px;display:flex}.full-exam-panel h2{font-size:20px}.full-exam-panel p{color:var(--muted);margin-top:6px;font-size:14px}.exam-title-row{flex-wrap:wrap;justify-content:center;align-items:center;gap:12px;margin:0 0 20px;display:flex}.exam-title-row h1{font-size:21px}.exam-mode{color:var(--muted);font-size:14px}.exam-workspace{grid-template-columns:minmax(0,1fr) 240px;align-items:start;gap:16px;display:grid}.exam-content{background:var(--surface);border:1px solid var(--line);border-radius:6px;min-width:0;padding:20px}.skill-tabs,.reading-tabs,.result-tabs{flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:16px;display:flex}.skill-tabs button,.reading-tabs button,.result-tabs button{background:var(--surface-2);color:var(--ink);border:1px solid #0000;border-radius:6px;justify-content:center;align-items:center;gap:7px;min-height:36px;padding:7px 15px;font-size:15px;display:inline-flex}.skill-tabs button.active,.reading-tabs button.active,.reading-tabs button[aria-selected=true],.result-tabs button.active{background:var(--accent-soft);color:var(--accent-ink);font-weight:600}.skill-tabs button:disabled{color:var(--muted)}.skill-tabs button.active:disabled{color:var(--accent-ink)}.skill-tabs svg,.result-tabs svg{width:14px;height:14px}.exam-rule{color:var(--muted);margin:-5px 0 20px;font-size:13px}.exam-section{margin-bottom:24px}.exam-section+.exam-section{border-top:1px solid var(--line);padding-top:24px}.section-title{margin-bottom:20px}.section-title h2{margin-bottom:6px;font-size:19px}.section-title p{color:var(--muted);font-size:15px}.part-tag{color:var(--muted);letter-spacing:0;margin-bottom:5px;font-size:14px;display:block}.listening-part-header{margin-bottom:16px}.listening-part-header h2{margin-bottom:6px;font-size:19px}.listening-part-header p{color:var(--muted);font-size:15px}.listening-context{color:var(--muted);margin:8px 0;font-size:14px}.listening-toolbar{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.listening-remaining,.listen-note{color:var(--muted);font-size:14px}.listen-note{margin:6px 0 16px}.question-card{border:0;border-bottom:1px solid var(--line);margin:0 0 20px;padding:0 0 20px;scroll-margin-top:90px}.question-card legend{align-items:baseline;gap:10px;width:100%;margin-bottom:10px;padding:0;font-size:16px;display:flex}.question-id{background:var(--accent-soft);width:30px;height:30px;color:var(--accent-ink);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;margin-right:0;font-size:12px;font-weight:600;display:inline-flex}.options-grid{flex-direction:column;gap:5px;margin-left:40px;display:flex}.option{background:0 0;border:0;align-items:baseline;gap:8px;padding:3px 0;font-size:16px;line-height:1.5;display:flex}.option input{align-self:flex-start;margin-top:4px}.option-letter{font-weight:500}.short-question{border-bottom:1px solid var(--line);margin-bottom:20px;padding:0 0 20px;scroll-margin-top:90px}.short-question>label,.translation-question>label{align-items:baseline;gap:10px;margin-bottom:10px;display:flex}.short-question input{width:260px;max-width:calc(100% - 40px);margin-left:40px}.word-counter{color:var(--muted);margin-left:10px;font-size:13px}.word-counter.over-limit{color:var(--danger)}.matching-grid{flex-direction:column;gap:12px;display:flex}.matching-item{align-items:center;gap:10px;scroll-margin-top:90px;display:flex}.matching-item label{flex:1}.matching-item select{width:90px}.definitions-list{background:var(--surface-2);border-radius:6px;margin-bottom:20px;padding:16px}.definitions-list>div{gap:10px;margin:5px 0;display:flex}.definitions-list strong{color:var(--accent-ink)}.reading-split{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:20px;display:grid}.reading-passage-pane,.reading-question-pane{scrollbar-width:thin;scrollbar-color:var(--line-strong) transparent;overscroll-behavior-y:contain;min-width:0;max-height:calc(100vh - 340px);overflow-y:auto}.reading-passage-pane{background:var(--surface-2);border-radius:6px;padding:18px}.reading-question-pane{padding:6px 8px 8px 0}.reading-passage{font-size:17px;line-height:1.6}.reading-passage h3{margin-bottom:14px;font-size:18px}.reading-passage p+p{margin-top:16px}.reading-passage-pane>.reading-passage{background:0 0;padding:0}.reading-question-pane [id^=question-]{scroll-margin-top:12px}.exam-sidebar{border:1px solid var(--line);background:var(--surface);scrollbar-width:thin;border-radius:6px;max-height:calc(100vh - 32px);padding:18px 16px;position:sticky;top:16px;overflow-y:auto;box-shadow:0 1px 4px #0000000a}.timer small{color:var(--ink);font-size:15px;display:block}.timer strong{font-variant-numeric:tabular-nums;font-size:24px;font-weight:700;line-height:1.5;display:block}.timer.urgent strong{color:var(--danger)}.submit-button{width:100%;color:var(--accent-ink);border-color:var(--accent-ink);min-height:42px;margin-top:14px;font-weight:600}.navigation-hint{color:var(--gold);margin:16px 0;font-size:13px}.question-nav-group+.question-nav-group{margin-top:18px}.question-nav-group h3{align-items:center;gap:6px;margin-bottom:9px;font-size:14px;display:flex}.question-nav-group h3 svg{width:12px;height:12px;color:var(--muted)}.question-grid{flex-wrap:wrap;gap:5px;display:flex}.question-grid button{border:1px solid var(--line-strong);background:var(--surface);min-width:34px;height:30px;color:var(--ink);border-radius:3px;padding:0 4px;font-size:13px;line-height:1}.question-grid button.answered{background:var(--accent-soft);border-color:var(--accent-ink);color:var(--accent-ink)}.question-grid button.current{outline:2px solid var(--accent-ink);outline-offset:1px;font-weight:700}.question-grid button:focus-visible{outline:3px solid var(--focus);outline-offset:2px}.question-grid button:disabled{background:var(--surface-3);color:var(--muted);border-color:var(--line)}.locked h3{color:var(--muted)}.question-list-button{display:none}.exam-actions{border-top:1px solid var(--line);color:var(--muted);justify-content:space-between;align-items:center;gap:12px;padding-top:16px;font-size:14px;display:flex}.translation-question{border-bottom:1px solid var(--line);margin-bottom:20px;padding-bottom:20px;scroll-margin-top:90px}.translation-question textarea{width:calc(100% - 40px);margin-left:40px}.writing-email-layout{grid-template-columns:minmax(0,1fr) minmax(0,1.2fr);gap:24px;scroll-margin-top:90px;display:grid}.email-task{background:var(--surface-2);border-radius:6px;padding:18px}.email-task h3{margin-top:14px}.email-task p{color:var(--muted)}.email-task ul{margin:12px 0}.email-editor-pane{min-width:0}.email-editor-head{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-bottom:10px;display:flex}.field-label{margin-bottom:8px;font-size:15px;font-weight:500;display:block}.email-editor-head .field-label{margin:0}.email-editor{min-height:330px}.editor-footer{color:var(--muted);justify-content:space-between;align-items:baseline;gap:14px;margin-top:8px;font-size:13px;display:flex}.editor-footer strong{white-space:nowrap;font-weight:600}.speaking-question{margin:20px 0;scroll-margin-top:90px}.speaking-question h3{align-items:baseline;gap:10px;font-size:16px;font-weight:500;display:flex}.speaking-part{scroll-margin-top:90px}.suggested-time{align-items:center;gap:6px;margin:8px 0 12px;display:flex}.suggested-time svg{width:15px;height:15px}.recorder{border-bottom:1px solid var(--line);padding:0 0 20px 40px}.recorder-controls{flex-wrap:wrap;align-items:center;gap:14px;margin-bottom:10px;display:flex}.recording-time{color:var(--muted);font-variant-numeric:tabular-nums}.recording-time.live{color:var(--danger)}.recording-time i{background:var(--danger);border-radius:50%;width:8px;height:8px;margin-right:5px;display:inline-block}.recording-saved{color:var(--success);align-items:center;gap:5px;font-size:14px;display:flex}.recording-saved svg{width:16px;height:16px}.danger-button{color:var(--danger);border-color:var(--danger)}.transcription-consent{color:var(--muted);align-items:baseline;gap:8px;margin:12px 0;font-size:13px;display:flex}.recorder-note{margin:8px 0 14px}.recording-preview{max-width:100%;margin-bottom:16px;display:block}.modal-backdrop{z-index:80;background:#0006;justify-content:center;align-items:center;padding:24px;display:flex;position:fixed;inset:0}.modal-backdrop>section{background:var(--surface);border:1px solid var(--line);border-radius:6px;width:min(100%,560px);max-height:calc(100dvh - 48px);padding:24px;overflow:auto}.confirm-panel h2{margin-bottom:10px;font-size:21px}.confirm-panel p{color:var(--muted)}.modal-actions{justify-content:flex-end;gap:10px;margin-top:20px;display:flex}.sheet-heading{justify-content:space-between;align-items:center;gap:16px;display:flex}.sheet-heading h2{font-size:20px}.page-heading{justify-content:space-between;align-items:center;gap:16px;margin-bottom:24px;display:flex}.page-heading p{color:var(--muted);margin-top:7px}.results-overview{background:var(--surface);border:1px solid var(--line);border-radius:6px;grid-template-columns:260px minmax(0,1fr);gap:36px;margin:20px 0 24px;padding:24px;display:grid}.total-score{align-items:center;gap:20px;display:flex}.score-total-value{color:var(--ink);white-space:nowrap;font-size:48px;font-weight:700;line-height:1.1}.score-total-value small{color:var(--muted);font-size:18px;font-weight:400}.score-total-label{color:var(--muted);font-size:14px}.total-score h2{margin:8px 0;font-size:18px}.total-score p{color:var(--muted);font-size:14px}.score-table,.rubric-table{border-collapse:collapse;width:100%;font-size:15px}.score-table th,.score-table td,.rubric-table th,.rubric-table td{text-align:left;border-bottom:1px solid var(--line);padding:9px 12px}.score-table th,.rubric-table th{color:var(--muted);font-weight:500}.score-table td:last-child,.score-table th:last-child,.rubric-table td:last-child,.rubric-table th:last-child{text-align:right}.score-table button{color:var(--accent-ink);text-underline-offset:3px;background:0 0;border:0;padding:2px 0;text-decoration:underline}.score-table small,.rubric-table small{color:var(--muted)}.review-panel{background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:24px}.review-title{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:16px;margin-bottom:20px;padding-bottom:14px;display:flex}.review-title>span{color:var(--muted);white-space:nowrap}.review-summary{margin-bottom:20px}.review-subheading{margin:22px 0 14px;font-size:18px}.review-section+.review-section{margin-top:24px}.answer-review{border-bottom:1px solid var(--line);margin-bottom:12px}.answer-review summary{cursor:pointer;align-items:baseline;gap:10px;padding:10px 0 14px;list-style:none;display:flex}.answer-review summary::-webkit-details-marker{display:none}.review-question-stem{flex:1}.question-points{white-space:nowrap;font-size:13px}.answer-review.correct .question-id{background:var(--success-bg);color:var(--success)}.answer-review.incorrect .question-id{background:var(--danger-bg);color:var(--danger)}.answer-review.correct .question-points,.answer-correct{color:var(--success)}.answer-review.incorrect .question-points,.answer-incorrect{color:var(--danger)}.answer-review summary:after{content:"+";color:var(--muted);font-size:18px}.answer-review[open] summary:after{content:"−"}.answer-review-body{padding:4px 0 18px 40px}.review-options{margin:0 0 14px;padding:0;list-style:none}.answer-comparison{grid-template-columns:1fr 1fr;gap:20px;display:grid}.answer-comparison>div{min-width:0}.review-answer-label{color:var(--muted);margin-bottom:5px;font-size:14px;display:block}.answer-comparison p{line-height:1.6}.answer-explanation{color:var(--muted);margin-top:12px}.answer-explanation strong{color:var(--ink);font-weight:500}.explanation-line+.explanation-line{margin-top:4px;display:block}.preserve-text{white-space:pre-wrap;overflow-wrap:anywhere}.reference-panel{border-top:1px solid var(--line);margin-top:16px}.reference-panel summary{cursor:pointer;color:var(--accent-ink);align-items:center;gap:8px;padding:12px 0;display:flex}.reference-panel summary svg{width:17px;height:17px}.reference-panel>div{padding:12px 0;line-height:1.6}.reference-panel p+p{margin-top:12px}.feedback-box{background:var(--surface-2);border-radius:6px;margin:20px 0;padding:18px}.feedback-box>svg{display:none}.feedback-box h3{margin-bottom:8px}.feedback-box p{color:var(--muted);white-space:pre-wrap}.correction-list>div{border-bottom:1px solid var(--line);padding:12px 0}.correction-list p{color:var(--muted)}.correction-list .correction-original{color:var(--danger);text-decoration:line-through}.correction-list .correction-corrected{color:var(--success);align-items:center;gap:6px;display:flex}.correction-corrected svg{width:16px;height:16px}.pronunciation-status{color:var(--muted);align-items:center;gap:6px;margin-top:14px;font-size:14px;display:flex}.pronunciation-status svg{width:16px;height:16px}.translation-review{border-bottom:1px solid var(--line);margin-bottom:20px;padding-bottom:20px}.translation-review h3{align-items:baseline;gap:10px;margin-bottom:16px;font-size:16px;font-weight:500;display:flex}.translation-review h3>span:last-child{color:var(--muted);white-space:nowrap;margin-left:auto;font-size:13px}.translation-review>p{color:var(--muted);margin-top:12px}.results-actions{justify-content:center;gap:12px;margin-top:24px;display:flex}.history-list{flex-direction:column;gap:12px;display:flex}.history-row{background:var(--surface);border:1px solid var(--line);border-radius:6px;align-items:center;gap:20px;padding:18px 20px;display:flex}.history-info{flex:1;min-width:0}.history-info h2{font-size:18px}.history-info p{color:var(--muted);margin-top:4px;font-size:14px}.history-score{text-align:right}.history-score strong{font-size:27px;font-weight:600}.history-score span{color:var(--muted);font-size:13px}.history-row .icon-button{color:var(--danger)}.history-privacy{color:var(--muted);margin:16px 0;font-size:14px}.progress-track{background:var(--surface-3);height:4px}.progress-track span{background:var(--accent-ink);height:100%;display:block}@media (max-width:1099px) and (min-width:900px){.exam-workspace{grid-template-columns:minmax(0,1fr) 210px;gap:12px}.exam-content{padding:16px}.reading-split{grid-template-columns:1fr}.reading-passage-pane,.reading-question-pane{max-height:none;overflow:visible}}@media (max-width:1100px){.units-grid,.skill-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.access-panel{flex-wrap:wrap}.access-panel form{margin-left:0}.writing-email-layout{grid-template-columns:1fr}}@media (max-width:899px){.main-container{padding:20px 16px 40px}.exam-page{padding-bottom:84px}.exam-workspace{display:block}.exam-content{padding:16px}.exam-sidebar{z-index:40;padding:10px 12px calc(10px + env(safe-area-inset-bottom));border-width:1px 0 0;border-radius:0;align-items:center;gap:10px;max-height:none;display:flex;position:fixed;inset:auto 0 0;overflow:visible}.timer{margin-right:auto}.timer small{font-size:11px}.timer strong{font-size:20px}.submit-button{width:auto;min-width:95px;margin:0;padding:8px 10px;font-size:13px}.desktop-question-nav{display:none}.question-list-button{min-width:94px;padding:8px;font-size:12px;display:inline-flex}.reading-split{grid-template-columns:1fr;gap:20px}.reading-passage-pane,.reading-question-pane{max-height:none;padding:16px;overflow:visible}.reading-question-pane{padding:0}.reading-tabs button{padding:7px 10px;font-size:13px}.modal-backdrop:has(.question-sheet){align-items:flex-end;padding:0}.modal-backdrop>.question-sheet{width:100%;max-height:78dvh;padding-bottom:calc(24px + env(safe-area-inset-bottom));border-radius:6px 6px 0 0}.question-sheet .question-grid{gap:8px}.question-sheet .question-grid button{min-width:36px;height:36px}.question-sheet .question-nav-group+.question-nav-group{margin-top:20px}.mode-panel{flex-wrap:wrap}.results-overview{grid-template-columns:1fr;gap:20px}}@media (max-width:600px){.site-header{height:56px}.header-inner{gap:12px;padding:0 12px}.brand{gap:5px;font-size:16px}.brand-symbol{display:none}.header-inner nav{gap:14px}.header-inner nav a{white-space:nowrap;font-size:13px}.theme-toggle{width:32px;height:32px}h1{font-size:25px}.access-panel{gap:10px;padding:16px}.access-icon{display:none}.access-panel form{flex-wrap:wrap;width:100%}.access-panel input,.access-panel form .button{width:100%}.units-grid,.skill-grid{grid-template-columns:1fr;gap:12px}.unit-grammar{min-height:0}.unit-heading{padding-bottom:20px}.mode-panel{gap:16px;padding:16px}.mode-switch{width:100%}.mode-switch button{flex:1}.skill-card>p{min-height:0}.full-exam-panel{flex-direction:column;align-items:stretch;gap:16px;padding:16px}.exam-title-row{justify-content:flex-start;gap:8px;margin-bottom:16px}.exam-title-row h1{flex-basis:100%;font-size:19px}.exam-content{padding:14px}.skill-tabs{gap:6px}.skill-tabs button{gap:4px;padding:7px 9px;font-size:13px}.skill-tabs svg{width:11px;height:11px}.exam-rule{font-size:12px}.section-title h2{font-size:18px}.reading-tabs{gap:5px}.reading-tabs button{padding:7px 8px;font-size:12px}.options-grid{margin-left:0}.option{font-size:16px}.short-question input{max-width:100%;margin-left:0}.word-counter{margin:6px 0 0;display:block}.translation-question textarea{width:100%;margin-left:0}.writing-email-layout{gap:16px}.email-task{padding:16px}.email-editor-head .button{padding:8px 10px;font-size:13px}.editor-footer{flex-wrap:wrap;gap:6px}.recorder{padding-left:0}.recorder-controls{gap:10px}.recorder-controls .button{font-size:14px}.modal-backdrop{padding:16px}.modal-backdrop>section{max-height:calc(100dvh - 32px);padding:20px}.modal-actions{flex-wrap:wrap}.modal-actions .button{flex:1;font-size:14px}.page-heading{flex-wrap:wrap;margin-bottom:20px}.page-heading h1{font-size:24px}.page-heading p{font-size:14px}.results-overview,.review-panel{padding:16px}.score-total-value{font-size:42px}.score-table th,.score-table td,.rubric-table th,.rubric-table td{padding:8px 6px}.result-tabs{gap:6px}.result-tabs button{padding:8px 10px;font-size:13px}.result-tabs svg{display:none}.answer-review summary{flex-wrap:wrap;gap:8px}.review-question-stem{flex-basis:calc(100% - 40px)}.question-points{margin-left:38px}.answer-review summary:after{margin-left:auto}.answer-review-body{padding-left:0}.answer-comparison{grid-template-columns:1fr;gap:12px}.translation-review h3{flex-wrap:wrap}.translation-review h3>span:last-child{margin-left:40px}.results-actions{flex-wrap:wrap}.results-actions .button{width:100%}.history-row{flex-wrap:wrap;gap:12px;padding:16px}.history-info{flex-basis:70%}.history-row>.button{flex:1}.history-score strong{font-size:24px}.site-footer{padding:16px}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}.test-list{gap:20px;margin-top:20px;display:grid}.test-card{border:1px solid var(--line);background:var(--surface);border-radius:6px;min-width:0;padding:20px}.test-card-heading,.test-card-meta{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.test-card-heading{border-bottom:1px solid var(--line);justify-content:space-between;margin-bottom:20px;padding-bottom:16px}.test-card-heading h2{font-size:20px}.test-card-meta{margin-top:6px}.test-card-meta .best-score strong{margin-left:5px;display:inline}.pdf-actions{flex-wrap:wrap;gap:8px;display:flex}.pdf-actions .button{min-height:36px;padding:7px 12px;font-size:14px}.test-card .skill-card{border:0;border-right:1px solid var(--line);background:0 0;border-radius:0;padding:0 16px 0 0}.test-card .skill-card:last-child{border-right:0;padding-right:0}.test-card .full-exam-panel{background:0 0;border-width:1px 0 0;border-radius:0;padding:20px 0 0}.test-count{color:var(--muted);margin-top:5px;font-size:14px}.test-best-scores{color:var(--muted);flex-direction:column;gap:3px;font-size:13px;display:flex}.test-best-score{color:var(--muted)}.test-best-score strong{color:var(--ink);margin-left:5px;font-weight:500}.exam-test-label{color:var(--muted);font-size:14px}.score-table tr.selected{background:var(--accent-soft)}@media (max-width:1100px){.test-card .skill-card:nth-child(2n){border-right:0}}@media (max-width:600px){.test-card{padding:16px}.test-card .skill-card{border-right:0;border-bottom:1px solid var(--line);padding:0 0 16px}.test-card .skill-card:last-child{border-bottom:0;padding-bottom:0}.pdf-actions{width:100%}.pdf-actions .button{white-space:nowrap;flex:1;font-size:13px}}.total-score{display:block}.score-total-value>span{color:var(--muted);margin-left:6px;font-size:18px;font-weight:400}.score-total-label{margin-top:10px}.history-list+.quiet-note{margin-top:18px}.confirm-panel:not(.modal-backdrop>section){background:var(--surface);border:1px solid var(--line);border-radius:6px;margin-bottom:20px;padding:18px}.confirm-panel:not(.modal-backdrop>section)>div{gap:10px;margin-top:14px;display:flex}.reading-passage h4{margin:0 0 14px;font-size:18px}.home-hero+.units-section .unit-grammar{display:none}.grammar-details{color:var(--muted);margin-top:12px;font-size:14px}.grammar-details summary{cursor:pointer;color:var(--accent-ink)}.grammar-details .grammar-chips{margin-bottom:0}.matching-item label{align-items:center;gap:10px;display:flex}.reading-instructions{color:var(--muted);margin-bottom:14px;font-size:15px}.tf-options{flex-direction:column;gap:6px;margin-left:40px;display:flex}:is(.exam-content:has(.exam-rule) .reading-passage-pane,.exam-content:has(.exam-rule) .reading-question-pane){max-height:calc(100vh - 380px)}@media (max-width:1099px){:is(.exam-content:has(.exam-rule) .reading-passage-pane,.exam-content:has(.exam-rule) .reading-question-pane){max-height:none}}@media (max-width:600px){.tf-options{margin-left:0}}.test-card-identity{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.test-card-identity .test-card-meta{margin:0}.test-card-heading{margin-bottom:12px;padding-bottom:12px}.test-skill-actions{flex-wrap:wrap;gap:8px;display:flex}.test-skill-actions .button{min-height:36px;padding:7px 14px;font-size:14px}@media (max-width:600px){.test-card-heading{gap:10px}.test-card-identity{gap:8px 12px}.test-skill-actions{gap:6px}.test-skill-actions .button{flex:1;padding:7px 10px}}.extra-tests{margin-top:36px}.extra-tests-heading{margin-bottom:12px}.extra-tests-heading h2{font-size:20px}.extra-tests-heading p{color:var(--muted);margin-top:4px;font-size:15px}.test-rows{border:1px solid var(--line);background:var(--surface);border-radius:6px}.test-row{border-top:1px solid var(--line);grid-template-columns:minmax(220px,1fr) auto;align-items:center;gap:12px 20px;min-width:0;padding:12px 16px;display:grid}.test-row:first-child{border-top:0}.test-row .test-card-heading{display:contents}.test-row .test-card-identity{flex-wrap:wrap;align-items:center;gap:6px 14px;display:flex}.test-row .test-card-identity h2{min-width:64px;font-size:17px}.test-row .test-card-meta{margin-top:0}.test-row .pdf-actions{grid-area:1/2;justify-content:flex-end}.test-row .pdf-actions .button{min-height:32px;padding:5px 10px;font-size:13px}.test-row .test-skill-actions{grid-column:1/-1}.test-row .test-skill-actions .button{min-height:32px;padding:5px 12px;font-size:13px}@media (min-width:1100px){.test-row{grid-template-columns:minmax(250px,1fr) auto auto}.test-row .test-skill-actions{grid-area:1/2}.test-row .pdf-actions{grid-column:3}}@media (max-width:600px){.test-row{grid-template-columns:1fr;padding:12px}.test-row .pdf-actions{grid-area:auto/1;justify-content:stretch}}.email-task .email-task-text{color:var(--ink);font-weight:600;line-height:1.6}.email-task .email-prompts{margin:12px 0 0;padding-left:22px;list-style:outside}.email-task .email-prompts li{color:var(--ink);margin:4px 0;line-height:1.6}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@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}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}
