/*! 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{--tw-rotate-x:initial;--tw-rotate-y:initial;--tw-rotate-z:initial;--tw-skew-x:initial;--tw-skew-y:initial;--tw-ordinal:initial;--tw-slashed-zero:initial;--tw-numeric-figure:initial;--tw-numeric-spacing:initial;--tw-numeric-fraction:initial;--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}::backdrop{--tw-rotate-x:initial;--tw-rotate-y:initial;--tw-rotate-z:initial;--tw-skew-x:initial;--tw-skew-y:initial;--tw-ordinal:initial;--tw-slashed-zero:initial;--tw-numeric-figure:initial;--tw-numeric-spacing:initial;--tw-numeric-fraction:initial;--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: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-transition-duration:.15s;--default-transition-timing-function:cubic-bezier(.4, 0, .2, 1);--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before{box-sizing:border-box;border:0 solid;margin:0;padding:0}::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring{outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab, red, red)){::placeholder{color:color-mix(in oklab, currentcolor 50%, transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){-webkit-appearance:button;appearance:button}::file-selector-button{-webkit-appearance:button;appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.collapse{visibility:collapse}.visible{visibility:visible}.absolute{position:absolute}.fixed{position:fixed}.relative{position:relative}.static{position:static}.start{inset-inline-start:var(--spacing)}.end{inset-inline-end:var(--spacing)}.isolate{isolation:isolate}.block{display:block}.contents{display:contents}.grid{display:grid}.hidden{display:none}.inline{display:inline}.table{display:table}.shrink{flex-shrink:1}.grow{flex-grow:1}.transform{transform:var(--tw-rotate-x,) var(--tw-rotate-y,) var(--tw-rotate-z,) var(--tw-skew-x,) var(--tw-skew-y,)}.rounded{border-radius:.25rem}.ordinal{--tw-ordinal:ordinal;font-variant-numeric:var(--tw-ordinal,) var(--tw-slashed-zero,) var(--tw-numeric-figure,) var(--tw-numeric-spacing,) var(--tw-numeric-fraction,)}.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}.invert{--tw-invert:invert(100%);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,)}.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,)}.transition{transition-property:color,background-color,border-color,outline-color,text-decoration-color,fill,stroke,--tw-gradient-from,--tw-gradient-via,--tw-gradient-to,opacity,box-shadow,transform,translate,scale,rotate,filter,-webkit-backdrop-filter,backdrop-filter,display,content-visibility,overlay,pointer-events;transition-timing-function:var(--tw-ease,var(--default-transition-timing-function));transition-duration:var(--tw-duration,var(--default-transition-duration))}}:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--ink:#17252c;--muted:#5b686d;--paper:#f5f7f4;--surface:#fff;--line:#d9dfdc;--green:#17685f;--green-dark:#0f4b45;--green-soft:#e3efeb;--gold:#c89d2f;--gold-soft:#f6eed6;--blue-soft:#e8eef2;--danger:#a33e35;--danger-soft:#f8e9e7}.study-priorities{background:var(--surface);border-bottom:1px solid var(--line)}.study-priorities-inner{grid-template-columns:minmax(0,1fr) minmax(0,1.2fr);gap:28px;width:min(1120px,100% - 44px);margin:auto;display:grid}.exam-date-spotlight,.rat-spotlight,.top200-spotlight{flex-direction:column;gap:6px;min-width:0;padding:14px 0;display:flex}.exam-date-spotlight,.top200-spotlight{border:1px solid var(--line);background:var(--paper);border-top-width:3px;border-radius:4px;justify-content:center;min-height:96px;padding:12px 14px}.exam-date-spotlight{color:var(--muted);border-top-color:var(--gold)}.exam-date-spotlight strong{color:var(--ink);font-size:17px;line-height:1.4}.rat-spotlight>span:not(.eyebrow){color:var(--muted);font-size:14px}.rat-spotlight small{color:var(--muted);font-size:13px;line-height:1.5}.rat-spotlight{border-left:0;border-top:3px solid var(--green);margin:0;padding-left:0}.rat-spotlight strong{font-size:20px;line-height:1.3}.study-shortcuts{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;min-width:0;display:grid}.top200-spotlight{color:var(--ink);border-top-color:#58798a;margin:0;text-decoration:none}.top200-spotlight:hover strong{color:var(--green)}.top200-spotlight strong{font-size:17px;line-height:1.3}.top200-spotlight>span:not(.eyebrow){color:var(--muted);font-size:14px}.rat-spotlight a,.exam-group-heading a,.calendar-return{color:var(--green-dark);text-underline-offset:4px;font-size:14px;font-weight:700}.exam-unit-groups{border-bottom:1px solid var(--line);width:min(1120px,100% - 44px);margin:auto;padding:16px 0}.exam-unit-group{min-width:0}.exam-group-heading{flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:10px;margin-bottom:12px;display:flex}.exam-group-heading h2{margin:0;font-size:15px;line-height:1.5}.exam-group-heading h2 span{color:var(--muted);margin-left:8px;font-size:13px;font-weight:500}.exam-group-heading a{font-size:13px}.group-unit-tabs{flex-wrap:wrap;gap:6px;display:flex}.group-unit-tabs .unit-tab{flex-wrap:wrap;gap:6px;min-height:44px;padding:8px 10px;font-size:14px;line-height:1.3}.group-unit-tabs .unit-tab span{font-size:12px}.group-unit-tabs .unit-tab small{color:var(--green-dark);font-size:11px}.group-unit-tabs .next-rat-unit{border-color:var(--green)}.group-unit-tabs .unit-tab.active{box-shadow:inset 0 -2px var(--green)}.calendar-return{margin-top:12px;display:inline-block}.calendar-loading{text-align:center;color:var(--muted);padding:60px 24px}.exam-switch{border-bottom:1px solid var(--line);flex-wrap:wrap;gap:8px;margin-bottom:32px;padding-bottom:20px;display:flex}.exam-switch a{color:var(--muted);border-radius:6px;padding:10px 16px;font-size:14px;font-weight:700;text-decoration:none}.exam-switch a[aria-current]{background:var(--green-soft);color:var(--green-dark)}.unit-unavailable{color:var(--muted);font-size:14px}.decision-practice{border-top:1px solid var(--line);padding:32px 0}.decision-practice h2{font-size:26px}.decision-example{border-bottom:1px solid var(--line);padding:24px 0}.decision-example h3{margin:0 0 12px;font-size:18px}.decision-example p{max-width:850px;font-size:16px;line-height:1.7}.decision-example label{margin:16px 0 8px;font-size:14px;font-weight:700;display:block}.decision-example textarea{resize:vertical;border:1px solid var(--line);background:var(--surface);width:100%;min-height:88px;color:var(--ink);font:inherit;border-radius:6px;padding:12px;display:block}.decision-example details{margin-top:14px}.decision-example summary{cursor:pointer;color:var(--green-dark);min-height:44px;padding:10px 0;font-weight:700}.decision-example details>div{border-left:3px solid var(--green);margin-top:10px;padding:4px 20px}.decision-example .comparison-shift{background:var(--gold-soft);border-radius:4px;padding:14px}.source-caution{border-left:3px solid var(--gold);background:var(--gold-soft);padding:12px 16px;font-size:15px;line-height:1.6}@media (max-width:760px){.study-priorities-inner,.exam-unit-groups{width:calc(100% - 32px)}.study-priorities-inner{grid-template-columns:1fr;gap:0}.study-shortcuts{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.exam-date-spotlight,.rat-spotlight,.top200-spotlight{padding-top:14px;padding-bottom:14px}.exam-date-spotlight,.top200-spotlight{padding-left:12px;padding-right:12px}.exam-date-spotlight strong{font-size:16px}.rat-spotlight strong{font-size:17px}.top200-spotlight strong{font-size:16px}.group-unit-tabs .unit-tab{flex:0 auto}}@media (max-width:430px){.study-shortcuts{grid-template-columns:1fr;gap:0}.exam-date-spotlight,.top200-spotlight{min-height:76px}}:root[data-theme=dark]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--ink:#edf4f1;--muted:#a6b5b0;--paper:#0e1513;--surface:#171f1d;--line:#34413d;--green:#62b9aa;--green-dark:#a6ddd3;--green-soft:#1d3832;--gold:#d5af50;--gold-soft:#372f1d;--blue-soft:#1d2a31;--danger:#d7776e;--danger-soft:#3a2422}.weekly-launch{border-top:1px solid var(--line);justify-content:space-between;align-items:center;gap:2rem;padding:2.25rem 0;display:flex}.weekly-launch h2{margin:.3rem 0 .55rem;font-size:clamp(1.65rem,2.5vw,2.35rem)}.weekly-launch p:last-child{max-width:48rem;color:var(--muted);margin:0;line-height:1.65}.weekly-course-strip{border-bottom:1px solid var(--line);background:var(--surface)}.weekly-course-strip>div{align-items:center;gap:.65rem;width:min(1100px,100% - 2rem);min-height:4.4rem;margin:0 auto;display:flex}.weekly-course-strip span,.weekly-course-strip small{color:var(--muted);font-size:.82rem}.weekly-course-strip strong{border:1px solid var(--line);background:var(--paper);border-radius:6px;align-items:center;gap:.55rem;min-height:2.6rem;padding:.42rem .7rem;display:inline-flex}.weekly-course-strip strong b{white-space:nowrap;flex:none;font-size:.74rem}.weekly-course-strip strong em{border-left:1px solid var(--line);max-width:9rem;color:var(--muted);padding-left:.55rem;font-size:.7rem;font-style:normal;font-weight:600;line-height:1.2}.weekly-course-strip small{margin-left:auto}.weekly-loading{min-height:100vh;color:var(--muted);place-items:center;display:grid}.weekly-attempt-note{max-width:680px;color:var(--muted);font-size:12px;font-weight:400;line-height:1.65}.weekly-comparison{border:1px solid var(--line);background:var(--gold-soft);border-radius:8px;margin:0 0 32px;padding:24px}.weekly-comparison h2{margin:0 0 12px;font-size:23px}.weekly-comparison p{margin:10px 0;font-size:14px;line-height:1.65}.weekly-peer-result{padding:16px 0 8px}.weekly-comparison button{cursor:pointer;border:1px solid var(--line);background:var(--paper);color:inherit;border-radius:5px;margin:10px 0;padding:10px 14px}.weekly-unsampled{border:1px solid var(--line);border-radius:6px;margin:28px 0;padding:18px;line-height:1.65}.weekly-unsampled summary{cursor:pointer;font-weight:600}.weekly-unsampled ul{padding-left:20px}.weekly-save-notice{border:1px solid var(--line);color:var(--muted);padding:12px}:root[data-theme=dark] .weekly-comparison{background:#27251e}.weekly-intro .eyebrow{color:var(--green)}@media (max-width:720px){.weekly-launch{flex-direction:column;align-items:flex-start;gap:1.25rem}.weekly-course-strip>div{grid-template-columns:repeat(2,minmax(0,1fr));gap:.45rem;min-height:4.9rem;padding:.65rem 0;display:grid}.weekly-course-strip span,.weekly-course-strip small{grid-column:1/-1}.weekly-course-strip small{margin-left:0}.weekly-course-strip strong{flex-direction:column;align-items:flex-start;gap:.25rem;min-width:0}.weekly-course-strip strong em{border-left:0;max-width:none;padding-left:0}}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:132px}body{background:var(--paper);color:var(--ink);margin:0;font-family:Arial,Helvetica,sans-serif}button,a{font:inherit}button{cursor:pointer}a{color:inherit}.site-header{z-index:20;border-bottom:1px solid var(--line);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#fffffff0;justify-content:space-between;align-items:center;gap:24px;min-height:70px;padding:12px max(22px,50vw - 620px);display:flex;position:sticky;top:0}.brand{align-items:center;gap:11px;text-decoration:none;display:inline-flex}.brand-mark{background:var(--green);color:#fff;border-radius:7px;place-items:center;width:38px;height:38px;font-family:Georgia,Times New Roman,serif;font-size:14px;font-weight:700;display:grid}.brand>span:last-child{gap:1px;display:grid}.brand strong{font-size:15px}.brand small{color:var(--muted);font-size:11px}.header-actions{align-items:center;gap:22px;display:flex}.header-links{align-items:center;gap:18px;display:flex}.course-selector{flex:0 auto;min-width:0;position:relative}.course-selector-trigger{cursor:pointer;border:1px solid #0000;border-radius:6px;align-items:center;gap:10px;min-height:44px;padding:3px 9px 3px 3px;list-style:none;display:inline-flex}.course-selector-trigger::-webkit-details-marker{display:none}.course-selector-trigger:hover,.course-selector[open] .course-selector-trigger{border-color:var(--line);background:var(--surface)}.course-selector-trigger:focus-visible{outline:2px solid var(--gold);outline-offset:2px}.course-selector-name{gap:2px;min-width:0;display:grid}.course-selector-title{align-items:center;gap:6px;min-width:0;display:flex}.course-selector-title strong{min-width:0}.course-name-short{display:none}.course-selector-name strong{color:var(--ink);text-overflow:ellipsis;white-space:nowrap;font-size:14px;overflow:hidden}.course-selector-name small{color:var(--muted);font-size:10px}.beta-tag{border:1px solid var(--gold);background:var(--gold-soft);color:var(--ink);letter-spacing:0;text-transform:none;vertical-align:middle;border-radius:3px;flex:none;align-items:center;margin-left:4px;padding:2px 5px;font-size:10px;font-weight:800;line-height:1.2;display:inline-flex}.course-selector-title .beta-tag{margin-left:0}.other-course-spaces .beta-tag{color:var(--ink);font-size:10px}.course-selector-trigger>i,.previous-ip-menu summary i{border-right:1.5px solid var(--muted);border-bottom:1.5px solid var(--muted);flex:none;width:7px;height:7px;transition:transform .16s;transform:rotate(45deg)translateY(-2px)}.course-selector[open] .course-selector-trigger>i,.previous-ip-menu[open] summary i{transform:rotate(225deg)translate(-1px,-1px)}.course-selector-menu{z-index:40;border:1px solid var(--line);background:var(--surface);border-radius:7px;gap:3px;width:min(280px,100vw - 28px);max-height:min(72vh,480px);padding:10px;animation:.16s both fade;display:grid;position:absolute;top:calc(100% + 8px);left:0;overflow-y:auto;box-shadow:0 18px 45px #0003}.course-selector-menu>.eyebrow{margin:4px 8px 2px}.course-selector-menu a{min-height:48px;color:var(--ink);border-radius:4px;justify-content:space-between;align-items:center;gap:12px;padding:7px 9px;text-decoration:none;display:flex}.course-selector-menu a:hover,.course-selector-menu a[aria-current=page]{background:var(--green-soft)}.course-selector-menu a strong{font-size:13px}.course-selector-menu a small{color:var(--muted);text-align:right;font-size:10px}.previous-ip-menu{border-top:1px solid var(--line);margin-top:4px}.previous-ip-menu summary{min-height:43px;color:var(--ink);cursor:pointer;border-radius:4px;justify-content:space-between;align-items:center;gap:12px;padding:0 9px;font-size:12px;font-weight:700;list-style:none;display:flex}.previous-ip-menu summary::-webkit-details-marker{display:none}.previous-ip-menu summary:hover{background:var(--paper)}.previous-ip-menu summary:focus-visible{outline:2px solid var(--gold);outline-offset:2px}.previous-ip-menu p{color:var(--muted);margin:2px 9px 10px;font-size:12px;line-height:1.55}.course-hub-page,.ip10-page{background:var(--paper);min-height:100vh}.course-hub-shell{width:min(1200px,100% - 44px);margin:0 auto;padding:28px 0 56px}.course-hub-heading{margin-bottom:25px}.course-hub-heading .eyebrow{margin:0 0 7px}.course-hub-heading h1{color:var(--ink);margin:0;font-size:34px;line-height:1.2}.hub-classes>h2{margin:0 0 12px;font-size:17px}.hub-classes .course-space-list{grid-template-columns:minmax(0,1fr);gap:12px}.hub-classes .course-space{grid-template-columns:88px minmax(0,1fr);min-height:94px;padding:16px}.hub-classes .course-space+.course-space{margin-top:0}.hub-classes .course-space-main strong{font-size:18px}.hub-classes .other-course-spaces{margin-top:18px}.hub-classes .other-course-spaces h2{color:var(--muted);font-size:12px}.course-hub-shell .course-tools{margin-top:24px}.course-space-list{display:grid}.course-space{border:1px solid var(--line);border-left:4px solid var(--green);background:var(--surface);border-radius:6px;grid-template-columns:110px minmax(0,1fr) auto;align-items:center;gap:16px;min-height:110px;padding:19px 20px;text-decoration:none;transition:border-color .16s,transform .16s,box-shadow .16s;display:grid}.course-space+.course-space{margin-top:10px}.next-course-space{border-left-color:var(--gold)}.course-space:hover{border-color:var(--green);transform:translateY(-1px);box-shadow:0 8px 24px #00000017}.course-space>.eyebrow{margin:0}.course-space-main{gap:4px;display:grid}.course-space-main strong{color:var(--ink);font-size:20px}.course-space-main small{color:var(--muted);font-size:13px;line-height:1.5}.course-space-status{color:var(--green-dark);white-space:nowrap;font-size:12px;font-weight:700}.previous-ips-panel{border:1px solid var(--line);background:var(--surface);border-radius:6px;margin-top:13px}.previous-ips-panel summary{min-height:50px;color:var(--ink);cursor:pointer;justify-content:space-between;align-items:center;gap:14px;padding:0 17px;font-size:14px;font-weight:700;list-style:none;display:flex}.previous-ips-panel summary::-webkit-details-marker{display:none}.previous-ips-panel summary span{color:var(--muted);font-size:11px;font-weight:500}.previous-ips-panel summary:focus-visible{outline:2px solid var(--gold);outline-offset:2px}.previous-ips-panel>p{color:var(--muted);margin:0;padding:0 17px 16px;font-size:13px;line-height:1.55}.archived-course-links{border-top:1px solid var(--line);grid-template-columns:repeat(3,minmax(0,1fr));display:grid}.archived-course-links a{align-content:center;gap:5px;min-height:64px;padding:12px 17px;text-decoration:none;display:grid}.archived-course-links a+a{border-left:1px solid var(--line)}.archived-course-links a:hover{background:var(--paper)}.archived-course-links strong{font-size:13px}.archived-course-links span{color:var(--muted);font-size:12px;line-height:1.4}.other-course-spaces{margin-top:32px}.other-course-spaces h2{color:var(--ink);margin:0 0 9px;font-size:15px}.other-course-spaces>div{border-top:1px solid var(--line);border-bottom:1px solid var(--line);grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.other-course-spaces a{justify-content:space-between;align-items:center;gap:12px;min-height:58px;padding:10px 14px;text-decoration:none;display:flex}.other-course-spaces a+a{border-left:1px solid var(--line)}.other-course-spaces a:hover strong{color:var(--green)}.other-course-spaces strong{color:var(--ink);font-size:13px}.other-course-spaces span{color:var(--muted);white-space:nowrap;font-size:11px}.course-tools{margin-top:42px}.course-tools h2{color:var(--ink);margin:0 0 12px;font-size:16px}.course-tools-list{border-top:1px solid var(--line);border-bottom:1px solid var(--line);grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.course-tools-list a{align-content:center;gap:5px;min-height:74px;padding:12px 16px;text-decoration:none;display:grid}.course-tools-list a+a{border-left:1px solid var(--line)}.course-tools-list a:hover strong{color:var(--green)}.course-tools-list strong{color:var(--ink);font-size:13px}.course-tools-list span{color:var(--muted);font-size:11px;line-height:1.4}.ip10-shell{width:min(760px,100% - 44px);margin:0 auto;padding:70px 0}.ip10-shell .eyebrow{margin:0 0 8px}.ip10-shell h1{margin:0 0 12px;font-size:34px}.ip10-status{max-width:600px;color:var(--muted);margin:0;font-size:15px;line-height:1.7}.ip10-return{border:1px solid var(--line);min-height:44px;color:var(--ink);border-radius:5px;align-items:center;margin-top:24px;padding:0 14px;font-size:13px;font-weight:700;text-decoration:none;display:inline-flex}.ip10-return:hover{border-color:var(--green);color:var(--green-dark)}.ip10-topic{border-top:1px solid var(--line);margin-top:32px;padding-top:24px}.ip10-shell h2{margin:0 0 12px;font-size:21px}.ip10-shell p{line-height:1.7}.section-menu{position:relative}.section-menu summary{border:1px solid var(--line);background:var(--surface);cursor:pointer;border-radius:6px;grid-template-columns:auto minmax(74px,auto) 12px;align-items:center;gap:9px;min-height:40px;padding:6px 11px;list-style:none;display:grid}.section-menu summary::-webkit-details-marker{display:none}.section-menu summary>span{color:var(--muted);letter-spacing:.06em;text-transform:uppercase;font-size:9px;font-weight:800}.section-menu summary strong{color:var(--ink);font-size:12px}.section-menu summary i{border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);width:7px;height:7px;transition:transform .18s;transform:rotate(45deg)translateY(-2px)}.section-menu[open] summary i{transform:rotate(225deg)translate(-1px,-1px)}.section-menu summary:focus-visible{outline:2px solid var(--gold);outline-offset:3px}.section-menu nav{z-index:30;border:1px solid var(--line);background:var(--surface);border-radius:7px;width:270px;max-height:min(76vh,620px);padding:6px;animation:.16s both fade;display:grid;position:absolute;top:calc(100% + 8px);right:0;overflow-y:auto;box-shadow:0 18px 45px #17252229}.section-menu nav a{min-height:38px;color:var(--muted);border-radius:4px;align-items:center;padding:0 11px;font-size:12px;font-weight:700;text-decoration:none;display:flex;position:relative}.section-menu nav a small{color:var(--muted);text-transform:uppercase;margin-left:auto;font-size:9px;font-weight:800}.section-menu nav a:hover{background:var(--paper);color:var(--ink)}.section-menu nav a.active{background:var(--green-soft);color:var(--green-dark)}.section-menu nav a.active:before{background:var(--green);content:"";border-radius:2px;width:3px;height:16px;margin-right:9px}.section-menu-divider{background:var(--line);height:1px;margin:5px 8px}.section-menu-group summary{min-height:38px;color:var(--muted);cursor:pointer;border-radius:4px;justify-content:space-between;align-items:center;gap:10px;padding:0 11px;font-size:12px;font-weight:700;list-style:none;display:flex}.section-menu-group summary::-webkit-details-marker{display:none}.section-menu-group summary:hover{background:var(--paper);color:var(--ink)}.section-menu-group summary:focus-visible{outline:2px solid var(--gold);outline-offset:2px}.section-menu-group summary i{border-right:1.5px solid var(--muted);border-bottom:1.5px solid var(--muted);flex:none;width:7px;height:7px;transition:transform .18s;transform:rotate(45deg)translateY(-2px)}.section-menu-group[open] summary i{transform:rotate(225deg)translate(-1px,-1px)}.section-menu-group>div{display:grid}.section-menu-group>div a{min-height:34px;padding-left:24px;font-size:11px}.courses-shell{width:min(900px,100% - 44px);margin:0 auto;padding:56px 0 88px}.courses-shell>.eyebrow{margin:0 0 8px}.courses-shell h1{margin:0 0 28px;font-size:34px;line-height:1.25}.courses-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;display:grid}.course-placeholder{border:1px solid var(--line);border-top:3px solid var(--green);background:var(--surface);border-radius:6px;min-height:148px;padding:22px}.course-placeholder-2{border-top-color:var(--gold)}.course-placeholder .eyebrow{margin:0 0 16px}.course-placeholder h2{margin:0 0 10px;font-size:21px;line-height:1.35}.course-placeholder p{max-width:360px;color:var(--muted);margin:0;font-size:14px;line-height:1.6}.theme-control{flex:none;align-items:center;gap:8px;display:flex}.theme-control>span{min-width:31px;color:var(--muted);text-align:right;text-transform:uppercase;font-size:10px;font-weight:800}.theme-switch{border:1px solid var(--line);background:#d9e0dd;border-radius:12px;width:42px;height:24px;padding:2px;position:relative}.theme-switch>span{background:#fff;border-radius:50%;width:18px;height:18px;transition:transform .18s,background .18s;display:block;box-shadow:0 1px 4px #0000003d}.theme-switch[aria-checked=true]{background:var(--green);border-color:#4c9488}.theme-switch[aria-checked=true]>span{background:#eef8f5;transform:translate(16px)}.theme-switch:focus-visible{outline:2px solid var(--gold);outline-offset:3px}.unit-nav{z-index:19;border-bottom:1px solid var(--line);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#f5f7f4f2;position:sticky;top:70px}.unit-nav-inner{align-items:center;gap:20px;width:min(1240px,100%);min-height:58px;margin:0 auto;padding:8px 22px;display:flex}.unit-nav-label{color:var(--muted);letter-spacing:.08em;text-transform:uppercase;flex:none;font-size:11px;font-weight:700}.unit-tabs{gap:6px;min-width:0;display:flex}.unit-tab{min-height:40px;color:var(--muted);white-space:nowrap;background:0 0;border:1px solid #0000;border-radius:6px;align-items:center;gap:8px;padding:0 13px;font-size:13px;font-weight:700;transition:color .18s,background .18s,border-color .18s,transform .18s;display:inline-flex}.unit-tab span{color:#7b878b;letter-spacing:.06em;font-size:10px}.unit-tab:hover{color:var(--ink);background:#fff;transform:translateY(-1px)}.unit-tab.active{background:var(--green-soft);color:var(--green-dark);border-color:#acc9c3}.unit-tab.active span{color:var(--green)}.page{width:min(1120px,100% - 44px);margin:0 auto}.hero{grid-template-columns:minmax(0,1.7fr) minmax(280px,.8fr);align-items:end;gap:64px;min-height:430px;padding:82px 0 64px;display:grid}.unit-meta{color:var(--green-dark);letter-spacing:.08em;text-transform:uppercase;flex-wrap:wrap;align-items:center;gap:10px 12px;margin-bottom:19px;font-size:12px;font-weight:700;display:flex}.status{background:var(--gold-soft);color:#6c571d;letter-spacing:.04em;border-radius:4px;padding:5px 8px}.rat-date{color:#654c08;letter-spacing:.03em;background:#fff3c4;border:1px solid #d6af44;border-radius:5px;padding:7px 10px;box-shadow:0 3px 10px #654c081a}h1,h2,h3,p{overflow-wrap:break-word}h1{letter-spacing:0;max-width:760px;margin:0;font-family:Georgia,Times New Roman,serif;font-size:58px;font-weight:500;line-height:1.04}h2{letter-spacing:0;margin:0;font-family:Georgia,Times New Roman,serif;font-size:31px;font-weight:500;line-height:1.15}h3{letter-spacing:0;margin:0;font-size:16px;line-height:1.3}.hero-introduction{max-width:760px;color:var(--muted);margin:22px 0 0;font-size:18px;line-height:1.6}.core-question{background:var(--green-soft);border:1px solid #c6d6d2;border-radius:7px;padding:24px}.core-question span{color:var(--green-dark);letter-spacing:.08em;text-transform:uppercase;font-size:11px;font-weight:700}.core-question p{margin:12px 0 0;font-family:Georgia,Times New Roman,serif;font-size:20px;line-height:1.45}.reveal{animation:.5s cubic-bezier(.2,.75,.25,1) both rise}.reveal-delay{animation-delay:.1s}.mental-map,.essentials-section,.study-guide-section,.glossary-section,.worked-case,.quiz-section{border-top:1px solid var(--line)}.mental-map,.essentials-section,.study-guide-section,.glossary-section,.quiz-section{padding:58px 0}.section-heading{justify-content:space-between;align-items:end;gap:28px;margin-bottom:28px;display:flex}.section-heading.compact{align-items:center}.section-heading>p,.section-heading>div>p:not(.eyebrow){max-width:460px;color:var(--muted);margin:0;font-size:13px;line-height:1.5}.eyebrow{color:var(--green);letter-spacing:.09em;text-transform:uppercase;margin:0 0 8px;font-size:11px;font-weight:700}.map-steps{border:1px solid var(--line);border-radius:7px;grid-template-columns:repeat(3,minmax(0,1fr));display:grid;overflow:hidden}.map-steps article{border-right:1px solid var(--line);background:var(--surface);gap:15px;min-height:150px;padding:24px;display:flex}.map-steps article:last-child{border-right:0}.map-steps article>span{background:var(--green);color:#fff;border-radius:50%;flex:none;place-items:center;width:27px;height:27px;font-size:12px;font-weight:700;display:grid}.map-steps h3{margin-top:3px}.map-steps p{color:var(--muted);margin:8px 0 0;font-size:14px;line-height:1.5}.essentials-list{border-top:1px solid var(--line);border-left:1px solid var(--line);grid-template-columns:repeat(2,minmax(0,1fr));margin:0;padding:0;list-style:none;display:grid}.essentials-list li{border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--surface);grid-template-columns:38px minmax(0,1fr);gap:14px;min-height:148px;padding:23px;transition:background .18s,transform .18s;display:grid}.essentials-list li:hover{z-index:1;background:#fbfdfc;transform:translateY(-2px)}.essentials-list li>span{color:var(--gold);font-family:Georgia,Times New Roman,serif;font-size:20px}.essentials-list h3{margin:2px 0 8px}.essentials-list p{color:var(--muted);margin:0;font-size:14px;line-height:1.52}.guide-heading>p{max-width:560px}.guide-accordion{border-top:1px solid var(--line)}.guide-accordion details{border-bottom:1px solid var(--line);background:var(--surface);scroll-margin-top:146px}.guide-accordion summary{cursor:pointer;grid-template-columns:38px minmax(0,1fr) 28px;align-items:center;gap:16px;min-height:92px;padding:18px 20px;list-style:none;display:grid}.guide-accordion summary::-webkit-details-marker{display:none}.guide-accordion summary:hover{background:#fbfdfc}.guide-number{color:var(--gold);font-family:Georgia,Times New Roman,serif;font-size:20px}.guide-accordion summary strong{font-size:16px;line-height:1.35;display:block}.guide-accordion summary small{color:var(--muted);margin-top:5px;font-size:12px;line-height:1.45;display:block}.guide-toggle{width:28px;height:28px;color:var(--green);place-items:center;font-size:22px;line-height:1;transition:transform .18s;display:grid}.guide-accordion details[open] .guide-toggle{transform:rotate(45deg)}.guide-content{padding:0 66px 28px 74px;animation:.2s both fade}.guide-explanation{max-width:820px}.guide-explanation p{color:#435250;margin:0 0 12px;font-size:14px;line-height:1.68}.guide-facts{border-top:1px solid var(--line);border-left:1px solid var(--line);grid-template-columns:repeat(2,minmax(0,1fr));margin:22px 0 0;display:grid}.guide-facts>div{border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:#f7f9f8;padding:17px}.guide-facts dt{color:var(--green-dark);letter-spacing:.05em;text-transform:uppercase;font-size:11px;font-weight:800}.guide-facts dd{color:var(--ink);margin:7px 0 0;font-size:13px;line-height:1.52}.guide-source{border-left:3px solid var(--gold);color:var(--muted);margin:18px 0 0;padding-left:12px;font-size:11px;line-height:1.55}.guide-source strong{color:var(--ink)}.glossary-grid{border:1px solid var(--line);border-radius:7px;grid-template-columns:repeat(4,minmax(0,1fr));margin:0;display:grid;overflow:hidden}.glossary-grid>div{border-right:1px solid var(--line);background:var(--blue-soft);min-height:126px;padding:20px}.glossary-grid>div:last-child{border-right:0}.glossary-grid dt{font-size:14px;font-weight:700}.glossary-grid dd{color:var(--muted);margin:8px 0 0;font-size:13px;line-height:1.5}.worked-case{background:var(--gold-soft);border:1px solid #d9c88e;border-radius:7px;grid-template-columns:180px minmax(0,1fr);margin:16px 0 58px;display:grid;overflow:hidden}.case-label{color:#69561d;letter-spacing:.08em;text-transform:uppercase;border-right:1px solid #d9c88e;padding:28px;font-size:12px;font-weight:700}.case-content{padding:30px}.case-stem{color:#56533f;margin:0 0 20px;font-size:15px;line-height:1.55}.case-content h2{font-size:25px}.reasoning{border-left:3px solid var(--gold);background:#ffffff94;margin-top:22px;padding:18px}.reasoning strong{letter-spacing:.06em;text-transform:uppercase;font-size:12px}.reasoning p{color:#4f514c;margin:7px 0 0;font-size:14px;line-height:1.58}.quiz-launch{background:var(--green-soft);border:1px solid #b9cec9;border-radius:7px;justify-content:space-between;align-items:center;gap:40px;margin:0 0 72px;padding:34px;display:flex}.quiz-launch>div{max-width:700px}.quiz-launch h2{font-size:28px}.quiz-launch>div>p:last-child{color:#465d59;margin:12px 0 0;font-size:14px;line-height:1.6}.primary-link,.secondary-link{border-radius:5px;justify-content:center;align-items:center;min-height:46px;padding:0 18px;font-size:13px;font-weight:700;text-decoration:none;display:inline-flex}.primary-link{border:1px solid var(--green);background:var(--green);color:#fff;flex:none}.primary-link:hover{background:var(--green-dark)}.secondary-link{border:1px solid var(--line);color:var(--ink);background:#fff}.quiz-page{min-height:100vh}.quiz-header{position:relative}.back-link{color:var(--muted);font-size:13px;font-weight:700;text-decoration:none}.back-link:hover{color:var(--green)}.profile-trigger{border:1px solid var(--line);background:var(--surface);max-width:180px;min-height:38px;color:var(--ink);border-radius:5px;align-items:center;gap:8px;padding:4px 10px 4px 5px;font-size:13px;font-weight:700;display:inline-flex}.profile-trigger:disabled{opacity:.65;cursor:wait}.profile-trigger>span:last-child{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.profile-avatar{background:var(--green-soft);width:27px;height:27px;color:var(--green-dark);border-radius:4px;flex:none;place-items:center;font-size:12px;display:grid}.profile-backdrop{z-index:100;background:#050d0ba3;place-items:center;padding:20px;display:grid;position:fixed;inset:0;overflow-y:auto}.profile-dialog{border:1px solid var(--line);background:var(--surface);width:min(440px,100%);max-height:min(740px,100dvh - 40px);color:var(--ink);border-radius:6px;padding:28px;position:relative;overflow-y:auto;box-shadow:0 24px 80px #0000003d}.profile-dialog h2{margin:4px 38px 10px 0;font-size:25px;line-height:1.2}.profile-close{border:1px solid var(--line);background:var(--paper);width:40px;height:40px;color:var(--ink);border-radius:4px;font-size:22px;position:absolute;top:14px;right:14px}.profile-privacy-note{color:var(--muted);margin:0 0 18px;font-size:13px;line-height:1.55}.profile-mode{border:1px solid var(--line);background:var(--paper);border-radius:5px;grid-template-columns:1fr 1fr;gap:4px;margin:18px 0;padding:4px;display:grid}.profile-mode button{min-height:38px;color:var(--muted);background:0 0;border:0;border-radius:3px;font-size:13px;font-weight:700}.profile-mode button[aria-pressed=true]{background:var(--surface);color:var(--green-dark);box-shadow:0 1px 3px #0000001f}.profile-dialog form label{margin:0 0 6px;font-size:13px;font-weight:700;display:block}.profile-dialog form input{border:1px solid var(--line);background:var(--paper);width:100%;min-height:46px;color:var(--ink);font:inherit;border-radius:4px;padding:10px 12px}.profile-field-hint{color:var(--muted);margin:6px 0 14px;font-size:12px}.profile-submit{border:1px solid var(--green);background:var(--green);color:#fff;border-radius:4px;min-height:44px;padding:0 16px;font-size:13px;font-weight:700}.profile-submit:disabled{opacity:.6;cursor:wait}.profile-dialog form .profile-submit{width:100%}.profile-status{border-left:3px solid var(--gold);background:var(--gold-soft);color:var(--ink);padding:10px 12px;font-size:13px;line-height:1.45}.profile-history{border-top:1px solid var(--line);margin-top:24px}.profile-history h3{margin:16px 0 8px;font-size:15px}.profile-history>p{color:var(--muted);font-size:13px}.profile-history ul{margin:0;padding:0;list-style:none}.profile-history li{border-bottom:1px solid var(--line);justify-content:space-between;gap:12px;padding:11px 0;font-size:13px;display:flex}.profile-history li span{min-width:0}.profile-history li small{color:var(--muted);margin-top:3px;font-size:11px;display:block}.profile-history li strong{flex:none}.profile-dialog-actions{flex-wrap:wrap;gap:8px;margin-top:18px;display:flex}.profile-secondary{border:1px solid var(--line);background:var(--paper);min-height:40px;color:var(--ink);border-radius:4px;padding:0 12px;font-size:12px;font-weight:700}.profile-save-result{border-block:1px solid var(--line);flex-wrap:wrap;align-items:center;gap:8px 14px;margin:18px 0;padding:14px 0;display:flex}.profile-save-result p,.profile-save-status{color:var(--muted);margin:0;font-size:13px}.profile-save-status{padding:12px 0}.quiz-unit-nav{border-bottom:1px solid var(--line);background:#fff}.quiz-unit-nav>div{flex-wrap:wrap;gap:6px;width:min(980px,100%);margin:0 auto;padding:10px 22px;display:flex}.quiz-unit-button{min-height:40px;color:var(--muted);background:0 0;border:1px solid #0000;border-radius:5px;flex:none;padding:0 14px;font-size:12px;font-weight:700}.quiz-unit-button:hover{background:var(--paper);color:var(--ink)}.quiz-unit-button.active{background:var(--green-soft);color:var(--green-dark);border-color:#acc9c3}.quiz-shell{width:min(936px,100% - 44px);margin:0 auto;padding:46px 0 76px}.quiz-progress{background:#dfe5e2;border-radius:3px;height:5px;margin-bottom:40px;overflow:hidden}.quiz-progress span{border-radius:inherit;background:var(--green);height:100%;transition:width .28s;display:block}.quiz-intro{justify-content:space-between;align-items:end;gap:30px;margin-bottom:28px;display:flex}.quiz-intro h1,.results-panel h1{font-size:42px}.quiz-scope-note{border-left:3px solid var(--gold);color:var(--muted);margin:0 0 24px;padding:12px 0 12px 14px;font-size:14px;line-height:1.6}.question-count{color:var(--muted);flex:none;align-items:baseline;gap:7px;display:flex}.question-count strong{color:var(--green);font-family:Georgia,Times New Roman,serif;font-size:38px;font-weight:500}.question-count span{font-size:13px;font-weight:700}.question-card{border:1px solid var(--line);background:var(--surface);border-radius:7px;overflow:hidden;box-shadow:0 18px 55px #1a2f2a12}.question-card-header{border-bottom:1px solid var(--line);min-height:48px;color:var(--muted);letter-spacing:.05em;text-transform:uppercase;background:#f7f9f7;justify-content:space-between;align-items:center;gap:20px;padding:0 24px;font-size:11px;font-weight:700;display:flex}.question-card-body{padding:30px}.question-card h2{max-width:780px;font-family:Arial,Helvetica,sans-serif;font-size:22px;font-weight:700;line-height:1.45}.answer-list{gap:10px;margin-top:26px;display:grid}.answer-option{border:1px solid var(--line);min-height:62px;color:var(--ink);text-align:left;background:#fff;border-radius:5px;grid-template-columns:34px minmax(0,1fr);align-items:center;gap:13px;padding:11px 16px;transition:border-color .16s,background .16s,transform .16s;display:grid}.answer-option:not(:disabled):hover{background:#f7fbf9;border-color:#83aca4;transform:translateY(-1px)}.answer-option:disabled{cursor:default;opacity:1}.answer-option>span{width:32px;height:32px;color:var(--muted);background:#edf1ef;border-radius:4px;place-items:center;font-size:12px;font-weight:700;display:grid}.answer-option strong{font-size:14px;font-weight:600;line-height:1.45}.answer-option.selected{border-color:var(--green);box-shadow:inset 0 0 0 1px var(--green);background:#f0f8f5}.answer-option.selected>span{background:var(--green);color:#fff}.answer-option.correct{background:var(--green-soft);border-color:#78a89f}.answer-option.correct>span{background:var(--green);color:#fff}.answer-option.incorrect{background:var(--danger-soft);border-color:#d1a19c}.answer-option.incorrect>span{background:var(--danger);color:#fff}.instant-feedback{border-left:4px solid var(--danger);background:var(--danger-soft);margin-top:22px;padding:18px 20px;animation:.2s both fade}.instant-feedback.correct{border-color:var(--green);background:var(--green-soft)}.instant-feedback>div{justify-content:space-between;align-items:baseline;gap:18px;display:flex}.instant-feedback strong{font-size:13px}.instant-feedback span{color:#6c4d49;font-size:12px;font-weight:700}.instant-feedback p{color:#435250;margin:8px 0 0;font-size:14px;line-height:1.6}.instant-feedback .review-source{color:var(--muted);border-top:1px solid #17685f2e;margin-top:12px;padding-top:11px;font-size:12px}.instant-feedback .review-source strong{font-size:inherit;letter-spacing:0;text-transform:none}.guide-review-link{color:var(--green-dark);text-underline-offset:3px;margin-top:10px;font-size:12px;font-weight:800;-webkit-text-decoration:underline #8fb8b0;text-decoration:underline #8fb8b0;display:inline-flex}.guide-review-link:hover{color:var(--green)}.exam-shell{width:min(1080px,100% - 44px);margin:0 auto;padding:64px 0 72px}.exam-hero{grid-template-columns:minmax(0,1fr) 190px;align-items:end;gap:56px;padding-bottom:54px;display:grid}.exam-hero h1{margin-top:8px}.exam-hero>div:first-child>p:not(.eyebrow){max-width:720px;color:var(--muted);margin:20px 0 0;font-size:17px;line-height:1.65}.exam-hero .primary-button{justify-content:center;align-items:center;min-height:48px;margin-top:24px;display:inline-flex}.exam-date{background:#fff3c4;border:1px solid #d6af44;border-radius:7px;align-content:center;min-height:172px;padding:22px;display:grid;box-shadow:0 8px 24px #654c081a}.exam-date span{color:#654c08;letter-spacing:.08em;text-transform:uppercase;font-size:11px;font-weight:800}.exam-date strong{color:#3f360f;letter-spacing:0;margin-top:8px;font-family:Georgia,Times New Roman,serif;font-size:35px;font-weight:500}.exam-date small{color:#6c571d;margin-top:7px;font-size:13px;font-weight:700}.exam-coverage,.exam-method{border-top:1px solid var(--line);padding:54px 0}.exam-unit-list{border-top:1px solid var(--line);margin-top:30px}.exam-unit-row{border-bottom:1px solid var(--line);grid-template-columns:48px minmax(0,1fr) auto;align-items:center;gap:18px;min-height:104px;padding:18px 0;display:grid}.exam-unit-number{color:#73807e;letter-spacing:.08em;font-size:12px;font-weight:800}.exam-unit-copy h3{font-size:17px}.exam-unit-copy p{color:var(--muted);margin:5px 0 0;font-size:13px;line-height:1.5}.exam-unit-actions{align-items:center;gap:10px;display:flex}.exam-unit-actions>a:first-child{min-height:42px;color:var(--green-dark);align-items:center;padding:0 15px;font-size:12px;font-weight:800;text-decoration:none;display:inline-flex}.exam-unit-actions>a:first-child:hover{color:var(--green)}.exam-unit-actions .primary-link{min-height:42px;padding:0 17px}.exam-unit-row.pending{color:#6f7779}.exam-pending-label{background:var(--blue-soft);color:#51636d;letter-spacing:.05em;text-transform:uppercase;border-radius:5px;padding:7px 9px;font-size:10px;font-weight:800}.exam-method{grid-template-columns:minmax(240px,.72fr) minmax(0,1.28fr);gap:70px;display:grid}.exam-method ol{counter-reset:exam-steps;gap:0;margin:0;padding:0;list-style:none;display:grid}.exam-method li{border-bottom:1px solid var(--line);counter-increment:exam-steps;align-content:center;gap:6px;min-height:86px;padding:16px 0 16px 54px;display:grid;position:relative}.exam-method li:first-child{border-top:1px solid var(--line)}.exam-method li:before{content:counter(exam-steps, decimal-leading-zero);color:var(--green);font-size:12px;font-weight:800;position:absolute;top:25px;left:0}.exam-method li strong{font-size:14px}.exam-method li span{color:var(--muted);font-size:13px;line-height:1.5}.confidence-prompt{border:1px solid var(--line);background:#f7f9f8;border-radius:6px;justify-content:space-between;align-items:center;gap:20px;margin-top:22px;padding:16px 18px;animation:.2s both fade;display:flex}.confidence-prompt>div:first-child{gap:3px;display:grid}.confidence-prompt strong{font-size:13px}.confidence-prompt span{color:var(--muted);font-size:11px}.confidence-control{background:#fff;border:1px solid #9eb5b0;border-radius:5px;grid-template-columns:repeat(3,minmax(74px,1fr));display:grid;overflow:hidden}.confidence-control button{min-height:38px;color:var(--ink);text-transform:uppercase;background:#fff;border:0;border-right:1px solid #c9d5d2;padding:0 14px;font-size:11px;font-weight:800}.confidence-control button:last-child{border-right:0}.confidence-control button:hover{background:var(--green-soft);color:var(--green-dark)}.quiz-controls{justify-content:space-between;align-items:center;gap:20px;min-height:78px;display:flex}.quiz-controls>span{color:var(--muted);font-size:12px}.next-button{min-width:150px}.results-panel{animation:.4s both rise}.domain-diagnostics{margin-top:40px}.domain-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:18px;display:grid}.domain-result{border:1px solid var(--line);background:#fff;border-left-width:4px;border-radius:6px;min-height:118px;padding:18px}.domain-result>span{color:var(--muted);text-transform:uppercase;font-size:10px;font-weight:800;display:inline-block}.domain-result h3{margin:9px 0 0;font-size:15px}.domain-result p{color:var(--muted);margin:6px 0 0;font-size:12px}.domain-result.strong{border-left-color:var(--green)}.domain-result.uncertain{border-left-color:#c69834}.domain-result.review-recommended{border-left-color:var(--danger)}.results-summary{grid-template-columns:170px minmax(0,1fr);align-items:center;gap:34px;padding-bottom:34px;display:grid}.results-summary>div:last-child>p:last-child{max-width:620px;color:var(--muted);margin:13px 0 0;font-size:15px;line-height:1.55}.result-score{background:var(--green-soft);text-align:center;border:1px solid #acc9c3;border-radius:7px;place-content:center;min-height:150px;display:grid}.result-score strong{color:var(--green-dark);font-family:Georgia,Times New Roman,serif;font-size:58px;font-weight:500;line-height:1}.result-score span{color:var(--muted);margin-top:7px;font-size:12px;font-weight:700}.result-metrics{border:1px solid var(--line);background:#fff;border-radius:7px;grid-template-columns:repeat(3,1fr);display:grid;overflow:hidden}.result-metrics div{border-right:1px solid var(--line);text-align:center;place-content:center;min-height:96px;display:grid}.result-metrics div:last-child{border-right:0}.result-metrics strong{font-family:Georgia,Times New Roman,serif;font-size:28px;font-weight:500}.result-metrics span{color:var(--muted);text-transform:uppercase;margin-top:4px;font-size:11px;font-weight:700}.review-plan{border-top:1px solid var(--line);margin-top:48px;padding-top:42px}.review-recommendations{gap:10px;margin:0;padding:0;list-style:none;display:grid}.review-recommendations li{border:1px solid var(--line);background:#fff;border-radius:6px;grid-template-columns:42px minmax(0,1fr);gap:15px;padding:19px;display:grid}.review-recommendations li>span{background:var(--gold-soft);color:#6c571d;border-radius:50%;place-items:center;width:36px;height:36px;font-size:13px;font-weight:700;display:grid}.weekly-page .review-recommendations li{grid-template-columns:82px minmax(0,1fr)}.weekly-page .review-recommendations li>span{text-align:center;border-radius:5px;width:auto;height:auto;min-height:36px;padding:7px 9px;font-size:11px;line-height:1.25}.review-recommendations h3{font-size:14px}.review-recommendations p{color:var(--muted);margin:6px 0 0;font-size:12px}.review-recommendations .misconception{color:#5b5142;border-left:2px solid #d2b074;margin-top:10px;padding-left:10px;line-height:1.5}.perfect-result{background:var(--green-soft);color:var(--green-dark);border:1px solid #acc9c3;border-radius:6px;padding:20px}.sampling-limits{border:1px solid var(--line);background:#f7f9f8;border-radius:6px;margin-top:24px;padding:20px}.sampling-limits ul{gap:8px;margin:12px 0 0;padding-left:18px;display:grid}.sampling-limits li{color:var(--muted);font-size:12px;line-height:1.5}.result-actions{gap:10px;margin-top:26px;display:flex}.quiz-heading{align-items:center}.score{background:var(--green-soft);min-width:170px;color:var(--green-dark);border-radius:6px;gap:3px;padding:12px 14px;display:grid}.score strong{font-family:Georgia,Times New Roman,serif;font-size:24px}.score span{font-size:11px}.questions{gap:16px;display:grid}fieldset{border:1px solid var(--line);background:var(--surface);border-radius:7px;margin:0;padding:24px}legend{align-items:center;gap:11px;max-width:920px;padding:0 5px 0 0;font-size:17px;font-weight:700;line-height:1.4;display:flex}legend>span{background:var(--green);color:#fff;border-radius:50%;flex:none;place-items:center;width:28px;height:28px;font-size:12px;display:grid}.choices{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px;margin-top:17px;display:grid}.choice{border:1px solid var(--line);min-height:58px;color:var(--ink);text-align:left;background:#fff;border-radius:5px;align-items:center;gap:10px;padding:11px 13px;font-size:14px;line-height:1.35;transition:border-color .16s,background .16s,transform .16s;display:flex}.choice>span{width:25px;height:25px;color:var(--muted);background:#eef1ef;border-radius:4px;flex:none;place-items:center;font-size:11px;font-weight:700;display:grid}.choice:hover{background:#f7fbf9;border-color:#8fb8b0;transform:translateY(-1px)}.choice.selected{border-color:var(--green);background:var(--green-soft)}.choice.selected>span{background:var(--green);color:#fff}.choice.correct{border-color:var(--green);background:var(--green-soft)}.choice.incorrect{background:var(--danger-soft);border-color:#d9aaa5}.choice.incorrect>span{background:var(--danger);color:#fff}.feedback{border-left:3px solid var(--danger);background:var(--danger-soft);margin:17px 0 0;padding:15px 16px;animation:.2s both fade}.feedback.correct{border-color:var(--green);background:var(--green-soft)}.feedback strong{letter-spacing:.05em;text-transform:uppercase;font-size:12px}.feedback p{color:#4d5758;margin:5px 0 0;font-size:14px;line-height:1.55}.quiz-actions{flex-wrap:wrap;align-items:center;gap:11px;min-height:74px;margin-top:18px;display:flex}.primary-button,.secondary-button{border-radius:5px;min-height:44px;padding:0 17px;font-size:13px;font-weight:700}.primary-button{border:1px solid var(--green);background:var(--green);color:#fff;transition:background .16s,transform .16s}.primary-button:hover:not(:disabled){background:var(--green-dark);transform:translateY(-1px)}.primary-button:disabled{cursor:not-allowed;background:#aab5b1;border-color:#aab5b1}.secondary-button{border:1px solid var(--line);color:var(--ink);background:#fff}.quiz-actions>span{color:var(--muted);font-size:12px}footer{border-top:1px solid var(--line);background:#fff;justify-content:space-between;gap:40px;padding:30px max(22px,50vw - 560px);display:flex}footer strong{font-size:13px}footer p{color:var(--muted);margin:5px 0 0;font-size:12px;line-height:1.5}.disclaimer{text-align:right;max-width:520px}@keyframes rise{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes fade{0%{opacity:0}to{opacity:1}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}@media (max-width:850px){html{scroll-padding-top:124px}h1{font-size:46px}.hero{grid-template-columns:1fr;gap:28px;min-height:0;padding:62px 0 50px}.core-question{max-width:620px}.glossary-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.glossary-grid>div{border-bottom:1px solid var(--line)}.glossary-grid>div:nth-child(2){border-right:0}.glossary-grid>div:nth-child(3),.glossary-grid>div:nth-child(4){border-bottom:0}.worked-case{grid-template-columns:1fr}.exam-method{grid-template-columns:1fr;gap:30px}.case-label{border-bottom:1px solid #d9c88e;border-right:0;padding:15px 24px}}@media (max-width:640px){.course-name-full{display:none}.course-name-short{display:inline}html{scroll-padding-top:120px}.site-header{gap:12px;min-height:64px;padding:10px 16px}.brand-mark{width:34px;height:34px}.header-links{gap:12px}.header-links a{font-size:11px}.header-actions{gap:12px}.course-selector-trigger{gap:6px;padding-right:3px}.course-selector-title{gap:3px;min-width:max-content}.course-selector-title strong{flex-shrink:0}.course-selector-name strong{max-width:120px;font-size:12px}.course-selector-menu{max-height:calc(100vh - 76px);position:fixed;top:62px;left:12px}.course-hub-shell{width:calc(100% - 32px);padding:24px 0 48px}.course-hub-heading{margin-bottom:19px}.course-hub-heading h1,.ip10-shell h1{font-size:30px}.course-space{grid-template-columns:minmax(0,1fr) auto;gap:8px 12px;min-height:0;padding:16px}.course-space>.eyebrow{grid-column:1/-1}.course-space-main strong{font-size:18px}.course-space-main small{font-size:12px}.course-space-status{text-align:right;white-space:normal;max-width:105px;font-size:11px}.hub-classes .course-space{grid-template-columns:1fr;gap:8px}.previous-ips-panel summary{min-height:48px}.archived-course-links{grid-template-columns:1fr}.archived-course-links a+a{border-top:1px solid var(--line);border-left:0}.other-course-spaces{margin-top:27px}.other-course-spaces>div{grid-template-columns:1fr}.other-course-spaces a+a{border-top:1px solid var(--line);border-left:0}.course-tools{margin-top:32px}.course-tools-list{grid-template-columns:1fr}.course-tools-list a{min-height:60px;padding:10px 4px}.course-tools-list a+a{border-top:1px solid var(--line);border-left:0}.ip10-shell{width:calc(100% - 32px);padding:48px 0}.profile-trigger{min-height:38px;padding-right:5px}.profile-trigger>span:last-child{clip:rect(0, 0, 0, 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.profile-dialog{padding:24px 20px}.theme-control>span{display:none}.section-menu>summary{grid-template-columns:minmax(0,1fr) 7px;gap:6px;width:84px;padding-inline:5px}.section-menu>summary strong{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.section-menu summary>span{display:none}.section-menu nav{width:auto;max-height:calc(100vh - 72px);position:fixed;top:58px;left:12px;right:12px}.courses-shell{width:calc(100% - 32px);padding:40px 0 64px}.courses-shell h1{font-size:30px}.courses-grid{grid-template-columns:1fr}.unit-nav{top:64px}.unit-nav-inner{min-height:56px;padding:7px 0;display:block;overflow:hidden}.unit-nav-label{display:none}.unit-tabs{scrollbar-width:none;padding:0 14px 2px;overflow-x:auto}.unit-tabs::-webkit-scrollbar{display:none}.unit-tab{min-height:40px}.page{width:min(100% - 32px,1120px)}h1{font-size:38px}h2{font-size:27px}.hero{padding:48px 0 42px}.hero-introduction{font-size:16px}.mental-map,.essentials-section,.study-guide-section,.glossary-section,.quiz-section{padding:46px 0}.section-heading{flex-direction:column;align-items:flex-start;gap:11px}.section-heading>p{max-width:100%}.map-steps,.essentials-list,.choices{grid-template-columns:1fr}.map-steps article{border-right:0;border-bottom:1px solid var(--line);min-height:0}.map-steps article:last-child{border-bottom:0}.essentials-list li{min-height:0;padding:20px}.guide-accordion summary{grid-template-columns:30px minmax(0,1fr) 24px;gap:11px;min-height:84px;padding:16px 8px}.guide-accordion summary strong{font-size:15px}.guide-content{padding:0 0 24px 41px}.guide-facts,.glossary-grid{grid-template-columns:1fr}.glossary-grid>div{border-right:0;min-height:0;border-bottom:1px solid var(--line)!important}.glossary-grid>div:last-child{border-bottom:0!important}.worked-case{margin-bottom:46px}.case-content{padding:24px 20px}.quiz-launch{flex-direction:column;align-items:stretch;gap:22px;margin-bottom:48px;padding:25px 20px}.primary-link{width:100%}fieldset{padding:20px 16px}legend{align-items:flex-start;font-size:16px}.choice{min-height:56px}.score{width:100%}.primary-button,.secondary-button{flex:auto}.quiz-unit-nav>div{scrollbar-width:none;flex-wrap:nowrap;padding:8px 14px;overflow-x:auto}.quiz-unit-nav>div::-webkit-scrollbar{display:none}.quiz-unit-button{flex:none}.quiz-shell{width:calc(100% - 28px);padding:30px 0 54px}.quiz-progress{margin-bottom:28px}.quiz-intro{align-items:flex-start}.quiz-intro h1,.results-panel h1{font-size:32px}.question-count strong{font-size:31px}.question-card-header{padding:0 18px}.question-card-header span:last-child{display:none}.question-card-body{padding:23px 18px}.question-card h2{font-size:19px}.answer-option{min-height:58px;padding:10px 12px}.instant-feedback>div{flex-direction:column;align-items:flex-start;gap:5px}.confidence-prompt{flex-direction:column;align-items:stretch}.confidence-control{grid-template-columns:repeat(3,minmax(0,1fr))}.confidence-control button{padding:0 8px}.quiz-controls{flex-direction:column-reverse;align-items:stretch;padding-top:18px}.next-button{width:100%;min-height:50px}.quiz-controls>span{text-align:center}.results-summary{grid-template-columns:1fr;gap:24px}.domain-grid{grid-template-columns:1fr}.result-score{min-height:126px}.result-metrics div{min-height:84px}.result-metrics strong{font-size:24px}.review-recommendations li{grid-template-columns:38px minmax(0,1fr);padding:16px}.result-actions{flex-direction:column;align-items:stretch}.result-actions .primary-button,.secondary-link{width:100%;min-height:48px}.exam-shell{width:min(100% - 32px,1080px);padding:42px 0 54px}.exam-hero{grid-template-columns:1fr;gap:28px;padding-bottom:42px}.exam-date{min-height:126px}.exam-coverage,.exam-method{padding:42px 0}.exam-unit-row{grid-template-columns:36px minmax(0,1fr);gap:12px;padding:20px 0}.exam-unit-actions,.exam-pending-label{grid-column:2;justify-self:start}.exam-unit-actions{width:100%}.exam-unit-actions>a{flex:1 1 0;justify-content:center}footer{flex-direction:column;align-items:flex-start;gap:14px;padding:26px 18px}.disclaimer{text-align:left;max-width:none;margin:0}}@media (max-width:360px){.site-header{gap:8px;padding-inline:10px}.course-selector-trigger .brand-mark{display:none}.header-actions{gap:8px}.course-selector-trigger{gap:6px;padding-right:3px}.course-selector-title{gap:3px}}:root[data-theme=dark] .site-header{background:#111816f2}:root[data-theme=dark] .unit-nav{background:#0e1513f2}:root[data-theme=dark] .weekly-course-strip,:root[data-theme=dark] .quiz-unit-nav,:root[data-theme=dark] footer{background:var(--surface)}:root[data-theme=dark] .unit-tab:hover,:root[data-theme=dark] .essentials-list li:hover,:root[data-theme=dark] .guide-accordion summary:hover{background:#1b2623}:root[data-theme=dark] .unit-tab.active,:root[data-theme=dark] .quiz-unit-button.active,:root[data-theme=dark] .result-score{border-color:#3f7269}:root[data-theme=dark] .status{background:var(--gold-soft);color:#ead18e}:root[data-theme=dark] .rat-date,:root[data-theme=dark] .exam-date{background:#312918;border-color:#78642f;box-shadow:0 8px 24px #0000002e}:root[data-theme=dark] .rat-date,:root[data-theme=dark] .exam-date span,:root[data-theme=dark] .exam-date small{color:#e2c776}:root[data-theme=dark] .exam-date strong{color:#f2e7c2}:root[data-theme=dark] .core-question{border-color:#3b625b}:root[data-theme=dark] .guide-explanation p,:root[data-theme=dark] .instant-feedback p,:root[data-theme=dark] .feedback p{color:#c1cfca}:root[data-theme=dark] .guide-facts>div,:root[data-theme=dark] .question-card-header,:root[data-theme=dark] .confidence-prompt,:root[data-theme=dark] .sampling-limits{background:#131b19}:root[data-theme=dark] .worked-case{border-color:#655a35}:root[data-theme=dark] .case-label{color:#e1c678;border-color:#655a35}:root[data-theme=dark] .case-stem,:root[data-theme=dark] .reasoning p{color:#d0d7d3}:root[data-theme=dark] .reasoning{background:#090e0c6b}:root[data-theme=dark] .quiz-launch{border-color:#3c615a}:root[data-theme=dark] .quiz-launch>div>p:last-child{color:#c0d0cb}:root[data-theme=dark] .secondary-link,:root[data-theme=dark] .answer-option,:root[data-theme=dark] .confidence-control,:root[data-theme=dark] .confidence-control button,:root[data-theme=dark] .domain-result,:root[data-theme=dark] .result-metrics,:root[data-theme=dark] .review-recommendations li,:root[data-theme=dark] .choice,:root[data-theme=dark] .secondary-button{background:var(--surface)}:root[data-theme=dark] .quiz-progress{background:#2a3632}:root[data-theme=dark] .question-card{box-shadow:0 18px 55px #00000038}:root[data-theme=dark] .answer-option:not(:disabled):hover,:root[data-theme=dark] .choice:hover{background:#1a2824;border-color:#538c82}:root[data-theme=dark] .answer-option>span,:root[data-theme=dark] .choice>span{background:#28332f}:root[data-theme=dark] .answer-option.selected{background:#1b312c}:root[data-theme=dark] .instant-feedback span{color:#e3aaa4}:root[data-theme=dark] .exam-unit-number,:root[data-theme=dark] .exam-unit-row.pending{color:#93a19d}:root[data-theme=dark] .exam-pending-label{color:#b9cbd3;border-color:#40525a}:root[data-theme=dark] .review-recommendations li>span{color:#e4ca81}:root[data-theme=dark] .review-recommendations .misconception{color:#d5c7af}:root[data-theme=dark] .section-menu nav{box-shadow:0 18px 45px #00000057}.top200-page{background:var(--paper);min-height:100vh;color:var(--ink)}.top200-shell{width:min(920px,100% - 44px);margin:0 auto;padding:32px 0 84px}.top200-heading{border-bottom:1px solid var(--line);padding:0 0 16px}.top200-heading h1{margin:6px 0;font-size:38px;line-height:1.2}.top200-subtitle{background:var(--green-soft);min-height:30px;color:var(--green-dark);border-radius:4px;align-items:center;margin:5px 0 0;padding:0 10px;font-size:13px;font-weight:700;display:inline-flex}.top200-deck-controls{background:0 0;border:0;border-radius:0;grid-template-columns:minmax(100px,1fr) minmax(180px,2fr);gap:12px;margin:16px 0 0;padding:0;display:grid}.top200-deck-controls legend,.top200-mode legend{clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.top200-deck-controls label{color:var(--muted);gap:7px;min-width:0;font-size:12px;font-weight:700;display:grid}.top200-deck-controls select{border:1px solid var(--line);background:var(--paper);width:100%;min-height:44px;color:var(--ink);font:inherit;border-radius:4px;padding:8px 12px;font-size:16px}.top200-deck-controls select:focus-visible{outline:2px solid var(--green);outline-offset:2px}.top200-deck-controls:disabled{opacity:.65}.top200-deck-controls .top200-ip10-toggle{min-height:36px;color:var(--ink);grid-column:1/-1;align-items:center;gap:10px;font-size:14px;display:flex}.top200-ip10-toggle input{width:18px;height:18px;accent-color:var(--green)}.top200-review-status{border-bottom:1px solid var(--line);flex-wrap:wrap;gap:12px 24px;padding:16px 0;display:flex}.top200-review-status>div{align-items:baseline;gap:7px;display:flex}.top200-review-status strong{font-size:20px}.top200-review-status span,.top200-review-status p{color:var(--muted);font-size:13px}.top200-review-status p{flex-basis:100%;margin:0}.top200-set-progress{border-bottom:1px solid var(--line);padding:16px 0}.top200-set-progress h2{margin:0;font-size:18px}.top200-checkpoints{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:12px;display:grid}.top200-checkpoints>div{min-width:0}.top200-checkpoints>div>div{color:var(--muted);flex-wrap:wrap;justify-content:space-between;gap:4px 8px;margin-bottom:8px;font-size:12px;line-height:1.5;display:flex}.top200-checkpoints strong{font-variant-numeric:tabular-nums;color:var(--ink)}.top200-checkpoints .is-complete strong{color:var(--green-dark)}.top200-checkpoints progress{background:var(--line);width:100%;height:8px;accent-color:var(--green);border:0;border-radius:3px;display:block;overflow:hidden}.top200-checkpoints progress::-webkit-progress-bar{background:var(--line)}.top200-checkpoints progress::-webkit-progress-value{background:var(--green);transition:width .2s}.top200-checkpoints progress::-moz-progress-bar{background:var(--green)}.top200-spelling-status{color:var(--gold);margin:14px 0 0;font-size:12px}.top200-overall{border-bottom:1px solid var(--line);margin:0;padding:4px 0}.top200-overall>summary{width:fit-content;min-height:44px;color:var(--muted);cursor:pointer;padding:12px 0;font-size:13px;line-height:1.5}.top200-overall>summary:focus-visible{outline:2px solid var(--green);outline-offset:2px}.top200-overall .top200-learning{border:0}.top200-stats{border:1px solid var(--line);background:var(--surface);border-radius:6px;grid-template-columns:repeat(3,minmax(0,1fr)) auto;align-items:center;gap:0;margin-top:18px;padding:14px 18px;display:grid}.top200-stats>div{gap:4px;min-width:0;display:grid}.top200-stats>div+div{border-left:1px solid var(--line);padding-left:18px}.top200-stats strong{font-variant-numeric:tabular-nums;font-size:22px;line-height:1.1}.top200-stats span{color:var(--muted);font-size:12px;line-height:1.3}.top200-reset{border:1px solid var(--line);min-height:38px;color:var(--muted);background:0 0;border-radius:4px;margin-left:18px;padding:0 11px;font-size:12px;transition:border-color .18s,color .18s,background .18s}.top200-reset:hover{color:var(--ink);border-color:var(--green);background:var(--green-soft)}.top200-learning{border-bottom:1px solid var(--line);padding:20px 0 16px}.top200-learning-title{flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:8px 16px;display:flex}.top200-learning h2{margin:0;font-size:17px}.top200-learning-title strong{color:var(--green-dark);font-size:14px}.top200-learning progress{background:var(--line);width:100%;height:10px;accent-color:var(--green);border:0;border-radius:4px;margin:12px 0;display:block;overflow:hidden}.top200-learning progress::-webkit-progress-bar{background:var(--line)}.top200-learning progress::-webkit-progress-value{background:var(--green)}.top200-learning progress::-moz-progress-bar{background:var(--green)}.top200-learning p{color:var(--muted);margin:8px 0;font-size:13px;line-height:1.6}.top200-learning summary{cursor:pointer;width:fit-content;min-height:36px;padding:8px 0;font-size:13px}.top200-recall-form{max-width:560px}.top200-recall-meta{color:var(--muted);justify-content:space-between;gap:12px;margin-bottom:16px;font-size:12px;display:flex}.top200-recall-form label{color:var(--muted);gap:8px;font-size:13px;font-weight:700;display:grid}.top200-recall-form input{border:1px solid var(--line);background:var(--paper);width:100%;min-height:48px;color:var(--ink);font:inherit;border-radius:4px;padding:10px 12px;font-size:16px}.top200-recall-form input:focus-visible{outline:2px solid var(--green);outline-offset:2px}.top200-recall-form .top200-recall-hint{min-height:44px;color:var(--muted);margin:12px 0;font-size:13px;line-height:1.6}.top200-recall-form button{border:1px solid var(--green);background:var(--green);color:#fff;border-radius:4px;min-height:44px;padding:10px 14px;font-size:13px;font-weight:700}.top200-recall-form button:disabled{opacity:.65}.top200-recall-repair h3{margin:0;font-size:16px}.top200-self-check{border:0;margin:18px 0 0;padding:0}.top200-self-check legend{color:var(--muted);margin-bottom:10px;font-size:13px}.top200-self-check button{border:1px solid var(--line);background:var(--paper);min-height:44px;color:var(--ink);font:inherit;cursor:pointer;border-radius:4px;padding:10px 14px;font-size:13px}.top200-self-check button:hover{border-color:var(--green)}.top200-self-check button:focus-visible{outline:2px solid var(--green);outline-offset:2px}.top200-feedback.is-assisted>strong{color:var(--gold)}.top200-contrast{margin:12px 0}.top200-contrast-head,.top200-contrast-row{border-bottom:1px solid var(--line);grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;padding:12px 0;display:grid}.top200-contrast-head{color:var(--muted);font-size:12px}.top200-contrast-row{overflow-wrap:anywhere;font-size:15px;line-height:1.5}.top200-contrast-row.is-active{border-bottom-color:var(--green)}.top200-mode{background:0 0;border:0;border-radius:0;flex-wrap:wrap;align-items:center;gap:8px 20px;margin:8px 0 0;padding:0;display:flex}.top200-mode label{cursor:pointer;align-items:center;gap:8px;min-height:44px;font-size:14px;display:inline-flex}.top200-mode input{accent-color:var(--green);width:17px;height:17px}.top200-mode:disabled{opacity:.65}.top200-question{border:1px solid var(--line);background:var(--surface);border-radius:7px;margin-top:16px;overflow:hidden;box-shadow:0 12px 32px #17252212}.top200-question-head{border-bottom:1px solid var(--line);background:var(--green-soft);min-height:54px;color:var(--green-dark);justify-content:space-between;align-items:center;gap:12px;padding:0 22px;font-size:11px;font-weight:700;display:flex}.top200-question-head span:first-child{text-transform:uppercase;letter-spacing:.05em}.top200-question-head span:last-child{border:1px solid var(--green);padding:5px 8px}@supports (color:color-mix(in lab, red, red)){.top200-question-head span:last-child{border:1px solid color-mix(in srgb, var(--green) 22%, transparent)}}.top200-question-head span:last-child{background:var(--surface);white-space:nowrap;border-radius:4px}.top200-progress{background:var(--line);height:5px}.top200-progress span{background:var(--green);height:100%;transition:width .2s;display:block}.top200-question-body{padding:32px}.top200-question-body h2{max-width:710px;margin:0 0 24px;font-size:25px;line-height:1.4}.top200-answer-note{color:var(--muted);margin:-8px 0 16px;font-size:13px;line-height:1.55}.top200-feedback button,.top200-new-round{border:1px solid var(--green);background:var(--green);color:#fff;border-radius:4px;min-height:46px;padding:0 16px;font-size:13px;font-weight:700;transition:filter .18s,transform .18s}.top200-feedback button:hover,.top200-new-round:hover{filter:brightness(1.08);transform:translateY(-1px)}.top200-mcq{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;display:grid}.top200-choice{border:1px solid var(--line);background:var(--paper);min-height:62px;color:var(--ink);text-align:left;font:inherit;cursor:pointer;border-radius:5px;grid-template-columns:32px minmax(0,1fr) auto;align-items:center;gap:10px;padding:10px 13px;font-size:14px;line-height:1.45;transition:border-color .16s,background .16s,transform .16s;display:grid}.top200-choice:hover:not(:disabled){border-color:var(--green);background:var(--green-soft);transform:translateY(-1px)}.top200-choice:focus-visible{outline:2px solid var(--green);outline-offset:2px}.top200-pair-fields input:focus-visible{outline:2px solid var(--green);outline-offset:2px}.top200-pair-recall button:focus-visible{outline:2px solid var(--green);outline-offset:2px}.top200-choice:disabled{cursor:default}.top200-choice.is-answer{border-color:var(--green);background:var(--green-soft)}.top200-choice.is-selected:not(.is-answer){border-color:var(--danger);background:var(--danger-soft)}.top200-choice-letter{aspect-ratio:1;border:1px solid var(--line);width:27px;color:var(--muted);border-radius:50%;place-items:center;font-size:12px;font-weight:700;display:grid}.top200-choice small{color:var(--green-dark);font-size:11px;font-weight:700}.top200-feedback{border-top:1px solid var(--line);margin-top:24px;padding-top:18px}.top200-feedback>strong{color:var(--green-dark);margin-bottom:8px;font-size:15px;display:block}.top200-feedback.is-incorrect>strong{color:var(--danger)}.top200-feedback p{color:var(--muted);margin:8px 0;font-size:14px;line-height:1.65}.top200-feedback button{margin-top:12px}.top200-feedback button:disabled,.top200-pair-recall button:disabled{cursor:default;opacity:.65}.top200-pair-recall{margin-top:14px}.top200-class-cue{border-left:3px solid var(--gold);background:var(--gold-soft);margin:0 0 12px;padding:10px 12px}.top200-class-cue strong{color:var(--ink)}.top200-pair-fields{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;display:grid}.top200-pair-fields label{color:var(--muted);gap:6px;font-size:12px;font-weight:700;display:grid}.top200-pair-fields input{border:1px solid var(--line);background:var(--paper);width:100%;min-height:44px;color:var(--ink);font:inherit;border-radius:4px;padding:0 11px;font-size:16px}.top200-pair-recall button{border:1px solid var(--green);background:var(--green);color:#fff;border-radius:4px;min-height:44px;margin-top:12px;padding:0 14px;font-size:13px;font-weight:700}.top200-pair-actions{flex-wrap:wrap;gap:8px 12px;display:flex}.top200-pair-actions .top200-skip-typing{border-color:var(--line);color:var(--ink);background:0 0}.top200-pair-correction{border-left:3px solid var(--gold);background:var(--gold-soft);padding:10px 12px}.top200-results{padding:34px 0}.top200-results h2{margin:6px 0;font-size:30px}.top200-results>p:not(.eyebrow){max-width:620px;color:var(--muted);line-height:1.65}.top200-missed{margin:28px 0}.top200-missed h3{font-size:16px}.top200-missed ul{border-top:1px solid var(--line);margin:0;padding:0;list-style:none}.top200-missed li{border-bottom:1px solid var(--line);gap:5px;padding:13px 0;font-size:13px;line-height:1.5;display:grid}.top200-missed li span{color:var(--muted)}.top200-missed li strong{font-size:13px}.top200-storage-note{color:var(--danger);font-size:13px}.top200-next-set{border:1px solid var(--line);min-height:44px;color:var(--ink);background:0 0;border-radius:4px;margin-top:12px;padding:10px 16px;font-size:13px;font-weight:700;display:block}.top200-next-set:hover{border-color:var(--green);background:var(--green-soft)}:root[data-theme=dark] .top200-feedback button,:root[data-theme=dark] .top200-new-round{color:#10201c}:root[data-theme=dark] .top200-pair-actions .top200-skip-typing,:root[data-theme=dark] .top200-choice.is-answer{color:var(--ink)}:root[data-theme=dark] .top200-question{box-shadow:0 12px 32px #0003}@media (prefers-reduced-motion:reduce){.top200-reset,.top200-feedback button,.top200-new-round,.top200-choice{transition:none}.top200-feedback button:hover,.top200-new-round:hover,.top200-choice:hover:not(:disabled){transform:none}}@media (max-width:720px){.top200-shell{width:calc(100% - 32px);padding:24px 0 58px}.top200-heading h1{font-size:32px}.top200-stats{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:14px;padding:14px}.top200-stats>div+div{padding-left:12px}.top200-stats>div:nth-child(3){border-left:0;padding-left:0}.top200-reset{grid-column:1/-1;justify-self:start;margin:0}.top200-question-head{flex-direction:column;justify-content:center;align-items:flex-start;gap:4px;padding:10px 15px}.top200-question-head span:last-child{margin-top:3px}.top200-question-body{padding:24px 17px}.top200-question-body h2{font-size:19px}.top200-mcq{grid-template-columns:1fr}.top200-choice{min-height:54px}.top200-pair-fields{grid-template-columns:1fr}.top200-deck-controls{grid-template-columns:minmax(92px,1fr) minmax(0,1.6fr);gap:10px}.top200-deck-controls select{padding:8px}.top200-checkpoints{gap:12px}}@media (max-width:360px){.top200-checkpoints>div>div{flex-direction:column;align-items:flex-start}}.startup-recovery:not([hidden]){z-index:1000;border:1px solid var(--line);background:var(--paper);color:var(--ink);border-radius:6px;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px 20px;padding:14px 18px;display:flex;position:fixed;inset:16px 16px auto;box-shadow:0 8px 24px #0000002e}.startup-recovery p{margin:0;font-size:14px}.startup-recovery a{align-items:center;min-height:44px;font-weight:700;text-decoration:underline;display:inline-flex}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-ordinal{syntax:"*";inherits:false}@property --tw-slashed-zero{syntax:"*";inherits:false}@property --tw-numeric-figure{syntax:"*";inherits:false}@property --tw-numeric-spacing{syntax:"*";inherits:false}@property --tw-numeric-fraction{syntax:"*";inherits:false}@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}