@layer tw-base,ui;[data-sileo-viewport][data-position]{z-index:var(--z-toast)}[data-sileo-toast][data-expanded=false]{clip-path:inset(0 calc(100% - (var(--_px) + var(--_pw))) 0 var(--_px) round 9999px);transition:clip-path var(--sileo-duration) var(--sileo-spring-easing)}[data-sileo-toast] [data-sileo-title]{max-width:292px;overflow:hidden;text-overflow:ellipsis;text-transform:none}@layer ui{.ui-floating{z-index:var(--z-overlay);min-width:8rem;overflow:hidden;border:1px solid hsl(var(--border));border-radius:var(--radius-md);background-color:hsl(var(--popover));color:hsl(var(--popover-foreground));box-shadow:var(--shadow-md);transform-origin:var(--ui-floating-origin, center)}.ui-floating[data-state=open],.ui-floating[data-state=delayed-open],.ui-floating[data-state=instant-open]{animation:ui-floating-in var(--duration-base) var(--ease-out)}.ui-floating[data-state=closed]{animation:ui-floating-out var(--duration-fast) var(--ease-out) forwards}.ui-floating[data-side=bottom]{--ui-floating-shift: 0, -4px}.ui-floating[data-side=top]{--ui-floating-shift: 0, 4px}.ui-floating[data-side=left]{--ui-floating-shift: 4px, 0}.ui-floating[data-side=right]{--ui-floating-shift: -4px, 0}.ui-popover{--ui-floating-origin: var(--radix-popover-content-transform-origin);width:18rem;padding:var(--space-4);outline:none}@keyframes ui-floating-in{0%{opacity:0;transform:translate(var(--ui-floating-shift, 0, 0)) scale(.97)}}@keyframes ui-floating-out{to{opacity:0;transform:scale(.97)}}@media (prefers-reduced-motion: reduce){.ui-floating[data-state=open],.ui-floating[data-state=delayed-open],.ui-floating[data-state=instant-open]{animation-name:ui-fade-in}.ui-floating[data-state=closed]{animation-name:ui-fade-out}}}@layer ui{.ui-tooltip{--ui-floating-origin: var(--radix-tooltip-content-transform-origin);min-width:0;padding:var(--space-1-5) var(--space-2-5);border-radius:var(--radius-sm);font-size:var(--text-small);line-height:var(--leading-snug)}.ui-tooltip[data-state=delayed-open],.ui-tooltip[data-state=instant-open]{animation-duration:var(--duration-fast)}}.forbidden{position:relative;display:flex;min-height:100vh;width:100%;align-items:center;justify-content:center;overflow:hidden;background:radial-gradient(circle at center,hsl(var(--destructive)/.1),transparent 70%);color:hsl(var(--foreground))}.forbidden__orbs{position:absolute;top:0;right:0;bottom:0;left:0;z-index:0;overflow:hidden;pointer-events:none}.forbidden__orb{position:absolute;border-radius:50%}.forbidden__orb--1{top:50%;left:33%;width:16rem;height:16rem;background:linear-gradient(to top right,hsl(var(--destructive)/.2),hsl(var(--warning)/.2));filter:blur(48px);transform:translate(-50%,-50%)}.forbidden__orb--2{bottom:33%;right:25%;width:18rem;height:18rem;background:linear-gradient(to bottom right,hsl(var(--destructive)/.1),hsl(var(--primary)/.1));filter:blur(48px)}.forbidden__body{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;gap:var(--space-8);text-align:center;padding:var(--space-8) var(--space-6)}@media (min-width: 768px){.forbidden__body{padding:var(--space-12)}}.forbidden__header{display:flex;flex-direction:column;align-items:center;gap:var(--space-2);max-width:36rem}.forbidden__icon-wrap{display:flex;align-items:center;justify-content:center;width:4.5rem;height:4.5rem;margin-bottom:var(--space-2);border-radius:var(--radius-full);background:hsl(var(--destructive)/.12);color:hsl(var(--destructive))}.forbidden__code{display:block;font-size:8rem;font-weight:800;line-height:1;letter-spacing:-.05em;background:linear-gradient(135deg,hsl(var(--foreground)),hsl(var(--destructive)));background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent}@media (max-width: 480px){.forbidden__code{font-size:5.5rem}}.forbidden__subtitle{font-size:var(--text-h3);font-weight:600;color:hsl(var(--foreground));margin:var(--space-1) 0 0}.forbidden__desc{font-size:var(--text-lead);color:hsl(var(--muted-foreground));line-height:1.7;margin:var(--space-1) 0 0;max-width:28rem}.forbidden__actions{display:flex;gap:var(--space-2-5);flex-wrap:wrap;justify-content:center}@layer ui{.ui-button{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);height:var(--control-md);padding:0 var(--space-4);border:1px solid transparent;border-radius:var(--radius-md);font-family:var(--font-sans);font-size:var(--text-body);font-weight:500;line-height:1;white-space:nowrap;cursor:pointer;-webkit-user-select:none;-moz-user-select:none;user-select:none;transition:background-color var(--duration-fast) var(--ease-out),border-color var(--duration-fast) var(--ease-out),color var(--duration-fast) var(--ease-out),box-shadow var(--duration-fast) var(--ease-out),transform var(--duration-fast) var(--ease-out)}.ui-button svg{width:var(--icon-sm);height:var(--icon-sm);flex-shrink:0;pointer-events:none}.ui-button:focus-visible{outline:none;box-shadow:var(--focus-ring)}.ui-button:active:not(:disabled){transform:scale(.98)}.ui-button:disabled{pointer-events:none;opacity:.5}.ui-button--default{background-color:hsl(var(--primary));color:hsl(var(--primary-foreground))}.ui-button--default:hover{background-color:hsl(var(--primary)/.9)}.ui-button--destructive{background-color:hsl(var(--destructive));color:hsl(var(--destructive-foreground))}.ui-button--destructive:hover{background-color:hsl(var(--destructive)/.9)}.ui-button--outline{border-color:hsl(var(--input));background-color:hsl(var(--background));color:hsl(var(--foreground))}.ui-button--outline:hover{background-color:hsl(var(--accent));color:hsl(var(--accent-foreground))}.ui-button--secondary{background-color:hsl(var(--secondary));color:hsl(var(--secondary-foreground))}.ui-button--secondary:hover{background-color:hsl(var(--secondary)/.8)}.ui-button--ghost{background-color:transparent;color:inherit}.ui-button--ghost:hover{background-color:hsl(var(--accent));color:hsl(var(--accent-foreground))}.ui-button--link{background-color:transparent;color:hsl(var(--primary));text-underline-offset:4px}.ui-button--link:hover{text-decoration:underline}.ui-button--lime{border-color:hsl(var(--lime));background-color:hsl(var(--lime));color:hsl(var(--lime-foreground));font-weight:600}.ui-button--lime:hover{border-color:hsl(var(--lime-dark));background-color:hsl(var(--lime-dark))}.ui-button--lime svg{color:hsl(var(--lime-foreground))}.ui-button--sm{height:var(--control-sm);padding:0 var(--space-3);gap:var(--space-1-5);border-radius:var(--radius-sm);font-size:var(--text-small)}.ui-button--lg{height:var(--control-lg);padding:0 var(--space-8)}.ui-button--icon{width:var(--control-md);padding:0}}.header-icon-button{width:2.25rem;height:2.25rem;flex-shrink:0}.language-switcher__menu{width:auto;min-width:0}.language-switcher__item--active{background:hsl(var(--accent));font-weight:500}.language-switcher__check{margin-left:auto}@layer ui{.ui-menu{--ui-floating-origin: var(--radix-dropdown-menu-content-transform-origin);padding:var(--space-1)}.ui-menu--sub{--ui-floating-origin: var(--radix-dropdown-menu-content-transform-origin);box-shadow:var(--shadow-lg)}.ui-menu__item{position:relative;display:flex;align-items:center;gap:var(--space-2);padding:var(--space-1-5) var(--space-2);border-radius:var(--radius-xs);font-size:var(--text-body);line-height:var(--leading-snug);cursor:default;-webkit-user-select:none;-moz-user-select:none;user-select:none;outline:none;transition:background-color var(--duration-fast) var(--ease-out),color var(--duration-fast) var(--ease-out)}.ui-menu__item svg{width:var(--icon-sm);height:var(--icon-sm);flex-shrink:0}.ui-menu__item:focus,.ui-menu__item[data-highlighted]{background-color:hsl(var(--accent));color:hsl(var(--accent-foreground))}.ui-menu__item[data-state=open]{background-color:hsl(var(--accent))}.ui-menu__item[data-disabled]{pointer-events:none;opacity:.5}.ui-menu__item--destructive,.ui-menu__item--destructive:focus,.ui-menu__item--destructive[data-highlighted]{color:hsl(var(--destructive))}.ui-menu__item--indicator,.ui-menu__item--inset{padding-left:var(--space-8)}.ui-menu__indicator{position:absolute;left:var(--space-2);display:flex;align-items:center;justify-content:center;width:.875rem;height:.875rem}.ui-menu__indicator .solar-circle{width:.5rem;height:.5rem}.ui-menu__chevron{margin-left:auto}.ui-menu__label{padding:var(--space-1-5) var(--space-2);font-size:var(--text-body);font-weight:600}.ui-menu__separator{height:1px;margin:var(--space-1) calc(var(--space-1) * -1);background-color:hsl(var(--muted))}.ui-menu__separator+.ui-menu__separator,.ui-menu__separator:first-child,.ui-menu__separator:last-child{display:none}.ui-menu__shortcut{margin-left:auto;font-size:var(--text-caption);letter-spacing:.1em;opacity:.6}}.take-quiz{min-height:100vh;background:hsl(var(--background))}.take-quiz-screen{display:flex;align-items:center;justify-content:center;min-height:100vh;background:hsl(var(--background))}.take-quiz-screen--padded{padding:var(--space-4)}.take-quiz-loading{display:flex;flex-direction:column;align-items:center;gap:var(--space-4);text-align:center;color:hsl(var(--muted-foreground))}.take-quiz-loading p{margin:0}.take-quiz-empty{min-height:70vh}.take-quiz-gate{width:100%;max-width:28rem}.take-quiz-gate__content{display:flex;flex-direction:column;align-items:center;gap:var(--space-4);padding-top:var(--space-6);text-align:center}.take-quiz-gate__icon{display:flex;padding:var(--space-4);border-radius:var(--radius-full);background:hsl(var(--primary)/.1);color:hsl(var(--primary))}.take-quiz-gate__icon svg{width:2rem;height:2rem}.take-quiz-gate__text{display:flex;flex-direction:column;gap:var(--space-2)}.take-quiz-gate__text p{margin:0;color:hsl(var(--muted-foreground))}.take-quiz-gate__title{margin:0;font-size:var(--text-h2);font-weight:700}.take-quiz-gate__title--sm{font-size:var(--text-h3);font-weight:600}.take-quiz-gate__lead{margin:0;color:hsl(var(--muted-foreground))}.take-quiz-gate__hint{font-size:var(--text-body)}.take-quiz-gate__note{display:flex;align-items:flex-start;gap:var(--space-2);width:100%;padding:var(--space-3);border-radius:var(--radius-lg);background:hsl(var(--muted)/.5);font-size:var(--text-body);color:hsl(var(--muted-foreground));text-align:left}.take-quiz-gate__note svg{width:var(--icon-md);height:var(--icon-md);flex-shrink:0;margin-top:var(--space-0-5);color:hsl(var(--primary))}.take-quiz-gate__note p{margin:0}.take-quiz-gate__note--warning{background:hsl(var(--warning)/.1);color:hsl(var(--warning-text))}.take-quiz-gate__note--warning svg{color:currentColor}.take-quiz-gate__action{width:100%}.take-quiz-waiting__icon{position:relative;display:flex;align-items:center;justify-content:center;height:6rem;color:hsl(var(--primary))}.take-quiz-waiting__icon svg{position:relative;width:3rem;height:3rem}.take-quiz-waiting__pulse{position:absolute;width:6rem;height:6rem;border-radius:var(--radius-full);background:hsl(var(--primary)/.1);animation:ui-skeleton-pulse 2s var(--ease-in-out) infinite}.take-quiz-waiting__status{display:flex;align-items:center;justify-content:center;gap:var(--space-2);width:100%;padding:var(--space-3);border-radius:var(--radius-lg);background:hsl(var(--muted)/.5);font-size:var(--text-body);color:hsl(var(--muted-foreground))}.take-quiz-waiting__dot{width:.5rem;height:.5rem;border-radius:var(--radius-full);background:hsl(var(--success));animation:ui-skeleton-pulse 2s var(--ease-in-out) infinite}@media (prefers-reduced-motion: reduce){.take-quiz-waiting__pulse,.take-quiz-waiting__dot{animation:none}}.take-quiz-alarm{position:fixed;top:var(--space-4);left:50%;z-index:var(--z-alert);width:calc(100% - var(--space-8));max-width:24rem;transform:translate(-50%)}.take-quiz-alarm__card{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-4);border:2px solid hsl(var(--warning)/.7);border-radius:var(--radius-lg);background:hsl(var(--warning));color:#14181f;box-shadow:var(--shadow-lg)}.take-quiz-alarm__icon{width:var(--icon-lg);height:var(--icon-lg);flex-shrink:0}.take-quiz-alarm__text{flex:1;min-width:0}.take-quiz-alarm__text p{margin:0}.take-quiz-alarm__title{font-size:var(--text-lead);font-weight:700;line-height:var(--leading-tight)}.take-quiz-alarm__desc{margin-top:var(--space-0-5)!important;font-size:var(--text-body)}.take-quiz-alarm__close{width:1.75rem;height:1.75rem;flex-shrink:0;color:inherit}.take-quiz-alarm__close:hover{background:#14181f1f;color:inherit}.take-quiz-violations{position:fixed;right:var(--space-4);bottom:var(--space-4);z-index:var(--z-sticky)}.take-quiz-violations__badge{gap:var(--space-1-5);padding:var(--space-2) var(--space-3);font-size:var(--text-body);box-shadow:var(--shadow-lg)}.take-quiz-violations__badge svg{width:var(--icon-sm);height:var(--icon-sm)}.take-quiz-header{position:sticky;top:0;z-index:var(--z-sticky);border-bottom:1px solid hsl(var(--border));background:hsl(var(--card)/.95);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.take-quiz-header__bar{display:flex;align-items:center;justify-content:space-between;gap:var(--space-2);height:4rem}@media (min-width: 640px){.take-quiz-header__bar{padding-inline:var(--space-4)}}.take-quiz-header__info{flex:1;min-width:0}.take-quiz-header__title{margin:0;overflow:hidden;font-size:var(--text-lead);font-weight:600;text-overflow:ellipsis;white-space:nowrap;color:hsl(var(--foreground))}@media (min-width: 640px){.take-quiz-header__title{font-size:var(--text-h4)}}.take-quiz-header__progress{margin:0;font-size:var(--text-caption);color:hsl(var(--muted-foreground))}@media (min-width: 640px){.take-quiz-header__progress{font-size:var(--text-body)}}.take-quiz-header__actions{display:flex;flex-shrink:0;align-items:center;gap:var(--space-2)}@media (min-width: 640px){.take-quiz-header__actions{gap:var(--space-4)}}.take-quiz-header__violations{gap:var(--space-1);padding:var(--space-1) var(--space-2)}@media (max-width: 639px){.take-quiz-header__submit{width:var(--control-md);padding:0}.take-quiz-header__submit-label{display:none}}.take-quiz-header__bar-progress{height:.25rem}.take-quiz-timer{position:relative}.take-quiz-timer__badge{gap:var(--space-1-5);padding:var(--space-1-5) var(--space-2);font-size:var(--text-caption);font-variant-numeric:tabular-nums;transition:filter var(--duration-slow) var(--var(--ease-out))}.take-quiz-timer__badge svg{width:.75rem;height:.75rem}@media (min-width: 640px){.take-quiz-timer__badge{padding-inline:var(--space-3);font-size:var(--text-body)}.take-quiz-timer__badge svg{width:var(--icon-sm);height:var(--icon-sm)}}.take-quiz-timer__badge--blurred{filter:blur(4px);-webkit-user-select:none;-moz-user-select:none;user-select:none}.take-quiz-timer__toggle{position:absolute;top:calc(var(--space-1-5) * -1);right:calc(var(--space-1-5) * -1);display:flex;align-items:center;justify-content:center;width:1.25rem;height:1.25rem;padding:0;border:1px solid hsl(var(--border));border-radius:var(--radius-full);background:hsl(var(--background));color:hsl(var(--muted-foreground));box-shadow:var(--shadow-xs);cursor:pointer;opacity:0;transition:opacity var(--duration-fast) var(--ease-out),background-color var(--duration-fast) var(--ease-out)}.take-quiz-timer__toggle svg{width:.625rem;height:.625rem}.take-quiz-timer:hover .take-quiz-timer__toggle,.take-quiz-timer:focus-within .take-quiz-timer__toggle,.take-quiz-timer__toggle:focus-visible{opacity:1}.take-quiz-timer__toggle:hover{background:hsl(var(--muted))}.take-quiz-timer__toggle:focus-visible{outline:none;box-shadow:var(--focus-ring)}@media (hover: none){.take-quiz-timer__toggle{opacity:1}}.take-quiz-notice{display:flex;align-items:center;gap:var(--space-3);max-width:48rem;margin:var(--space-4) auto 0;padding:var(--space-3) var(--space-4);border:1px solid hsl(var(--warning)/.35);border-radius:var(--radius-lg);background:hsl(var(--warning)/.08);font-size:var(--text-body);line-height:var(--leading-normal);color:hsl(var(--foreground))}@media (max-width: 640px){.take-quiz-notice{align-items:flex-start;margin:var(--space-3) var(--space-4) 0;padding:var(--space-3);font-size:var(--text-small)}}.take-quiz-notice__icon{width:var(--icon-sm);height:var(--icon-sm);flex:0 0 auto;color:hsl(var(--warning))}.take-quiz-main{padding-block:var(--space-4)}@media (min-width: 640px){.take-quiz-main{padding-block:var(--space-8);padding-inline:var(--space-4)}}.take-quiz-main__inner{max-width:48rem;margin:0 auto}.take-quiz-main--reading .take-quiz-main__inner{max-width:96rem}@media (min-width: 640px){.take-quiz-main--reading{padding-block:var(--space-4)}}.take-quiz-pills{display:flex;flex-wrap:wrap;gap:var(--space-1-5);margin-bottom:var(--space-4)}@media (min-width: 640px){.take-quiz-pills{gap:var(--space-2);margin-bottom:var(--space-6)}}.take-quiz-pill-wrap{position:relative}.take-quiz-pill{display:flex;align-items:center;justify-content:center;width:var(--control-sm);height:var(--control-sm);padding:0;border:none;border-radius:var(--radius-full);background:hsl(var(--muted));font-size:var(--text-caption);font-weight:500;font-variant-numeric:tabular-nums;color:hsl(var(--muted-foreground));cursor:pointer;transition:background-color var(--duration-fast) var(--ease-out),color var(--duration-fast) var(--ease-out)}@media (min-width: 640px){.take-quiz-pill{width:2.25rem;height:2.25rem;font-size:var(--text-body)}}.take-quiz-pill:hover:not(:disabled){background:hsl(var(--muted)/.8)}.take-quiz-pill:focus-visible{outline:none;box-shadow:var(--focus-ring)}.take-quiz-pill:disabled{cursor:not-allowed;opacity:.5}.take-quiz-pill--answered,.take-quiz-pill--answered:hover:not(:disabled){background:hsl(var(--primary)/.2);color:hsl(var(--primary))}.take-quiz-pill--current,.take-quiz-pill--current:hover:not(:disabled){background:hsl(var(--primary));color:hsl(var(--primary-foreground))}.take-quiz-pill-group{display:flex;flex-wrap:wrap;gap:inherit;padding:var(--space-0-5);border:1px solid transparent;border-radius:12px;background:hsl(var(--muted)/.45);transition:border-color var(--duration-fast) var(--ease-out),background-color var(--duration-fast) var(--ease-out)}.take-quiz-pill-group--current{border-color:hsl(var(--primary)/.35);background:hsl(var(--primary)/.06)}.take-quiz-pill-group .take-quiz-pill--current,.take-quiz-pill-group .take-quiz-pill--current:hover:not(:disabled){background:hsl(var(--card));color:hsl(var(--primary));box-shadow:inset 0 0 0 1px hsl(var(--primary)/.45)}.take-quiz-pill-group .take-quiz-pill--current-answered,.take-quiz-pill-group .take-quiz-pill--current-answered:hover:not(:disabled){background:hsl(var(--primary));color:hsl(var(--primary-foreground));box-shadow:none}.take-quiz-pill__flag{position:absolute;top:calc(var(--space-0-5) * -1);right:calc(var(--space-0-5) * -1);width:.625rem;height:.625rem;border:1px solid hsl(var(--background));border-radius:var(--radius-full);background:hsl(var(--warning));pointer-events:none}.take-quiz-question{display:flex;flex-direction:column;gap:var(--space-4);padding:var(--space-4)}@media (min-width: 640px){.take-quiz-question{gap:var(--space-6);padding:var(--space-6)}}.take-quiz-question__head{display:flex;flex-direction:column;gap:var(--space-3)}@media (min-width: 640px){.take-quiz-question__head{gap:var(--space-4)}}.take-quiz-question__text{font-size:var(--text-h4);font-weight:500;color:hsl(var(--foreground));-webkit-user-select:none;-moz-user-select:none;user-select:none}@media (min-width: 640px){.take-quiz-question__text{font-size:var(--text-h3)}}.take-quiz-question-header{display:flex;flex-flow:row-reverse wrap;align-items:flex-start;justify-content:space-between;gap:var(--space-2)}.take-quiz-question-header__actions{display:flex;flex-wrap:wrap;align-items:center;justify-content:flex-end;gap:var(--space-2);min-width:0}.take-quiz-question-header__points{min-width:0;overflow-wrap:break-word;font-size:var(--text-caption);color:hsl(var(--muted-foreground))}@media (min-width: 640px){.take-quiz-question-header__points{font-size:var(--text-body)}}@media (max-width: 480px){.take-quiz-question-header{flex-direction:column;align-items:center}.take-quiz-question-header__actions{justify-content:center;width:100%}.take-quiz-question-header__points{flex-basis:100%;text-align:center}}.take-quiz-chip{display:flex;align-items:center;gap:var(--space-1);padding:var(--space-0-5) var(--space-1-5);border:none;border-radius:var(--radius-2xs);background:transparent;font-size:var(--text-caption);color:hsl(var(--muted-foreground));cursor:pointer;transition:background-color var(--duration-fast) var(--ease-out),color var(--duration-fast) var(--ease-out)}.take-quiz-chip svg{width:var(--icon-xs);height:var(--icon-xs)}.take-quiz-chip:focus-visible{outline:none;box-shadow:var(--focus-ring)}.take-quiz-chip--flag:hover,.take-quiz-chip--flag.take-quiz-chip--active{background:hsl(var(--warning)/.12);color:hsl(var(--warning-text))}.take-quiz-chip--report:hover{background:hsl(var(--destructive)/.1);color:hsl(var(--destructive))}@media (max-width: 639px){.take-quiz-chip__label{display:none}}.take-quiz-answers{display:flex;flex-direction:column;gap:var(--space-3);-webkit-user-select:none;-moz-user-select:none;user-select:none}.take-quiz-option{display:flex;align-items:center;gap:var(--space-3);width:100%;padding:var(--space-4);border:1px solid hsl(var(--border));border-radius:var(--radius-lg);background:transparent;color:inherit;font:inherit;text-align:left;cursor:pointer;transition:border-color var(--duration-fast) var(--ease-out),background-color var(--duration-fast) var(--ease-out)}.take-quiz-option:hover{border-color:hsl(var(--primary)/.5);background:hsl(var(--muted)/.5)}.take-quiz-option:focus-visible{outline:none;box-shadow:var(--focus-ring)}.take-quiz-option--selected,.take-quiz-option--selected:hover{border-color:hsl(var(--primary));background:hsl(var(--primary)/.05)}.take-quiz-option__check{width:1.125rem;height:1.125rem;border-radius:var(--radius-2xs)}.take-quiz-radio{display:flex;flex-shrink:0;align-items:center;justify-content:center;width:1.125rem;height:1.125rem;border:2px solid hsl(var(--muted-foreground)/.6);border-radius:var(--radius-full)}.take-quiz-radio--on{border-color:hsl(var(--primary))}.take-quiz-radio__dot{width:.625rem;height:.625rem;border-radius:var(--radius-full);background:hsl(var(--primary))}.take-quiz-short-answer{font-size:var(--text-lead)}@media (min-width: 640px){.take-quiz-short-answer{font-size:var(--text-h4)}}.take-quiz-open-answer{min-height:7.5rem;field-sizing:content;font-size:var(--text-body);line-height:1.6;resize:vertical}@media (min-width: 640px){.take-quiz-open-answer{font-size:var(--text-lead)}}.take-quiz-hint{margin:0;font-size:var(--text-caption);color:hsl(var(--muted-foreground))}.take-quiz-order{display:flex;align-items:center;gap:var(--space-2);padding:var(--space-3);border:1px solid hsl(var(--border));border-radius:var(--radius-lg);background:hsl(var(--card));transition:border-color var(--duration-fast) var(--ease-out),opacity var(--duration-fast) var(--ease-out)}@media (min-width: 640px){.take-quiz-order{gap:var(--space-3);padding:var(--space-4)}}.take-quiz-order:hover{border-color:hsl(var(--primary)/.5)}.take-quiz-order--dragging{border-color:hsl(var(--primary));opacity:.6}.take-quiz-order__grip{display:none;width:var(--icon-md);height:var(--icon-md);flex-shrink:0;color:hsl(var(--muted-foreground));cursor:grab}.take-quiz-order__grip:active{cursor:grabbing}@media (min-width: 640px){.take-quiz-order__grip{display:block}}.take-quiz-order__index{display:flex;flex-shrink:0;align-items:center;justify-content:center;width:1.75rem;height:1.75rem;border-radius:var(--radius-full);background:hsl(var(--primary));font-size:var(--text-body);font-weight:600;color:hsl(var(--primary-foreground))}.take-quiz-order__text{flex:1;min-width:0}.take-quiz-order__move{display:flex;flex-direction:column;flex-shrink:0}.take-quiz-order__move-btn{display:flex;align-items:center;justify-content:center;width:1.75rem;height:1.5rem;padding:0;border:none;border-radius:var(--radius-2xs);background:transparent;color:hsl(var(--muted-foreground));cursor:pointer;transition:color var(--duration-fast) var(--var(--ease-out))}.take-quiz-order__move-btn svg{width:var(--icon-sm);height:var(--icon-sm)}.take-quiz-order__move-btn:hover:not(:disabled){color:hsl(var(--foreground))}.take-quiz-order__move-btn:focus-visible{outline:none;box-shadow:var(--focus-ring)}.take-quiz-order__move-btn:disabled{cursor:not-allowed;opacity:.3}.take-quiz-code{display:flex;flex-direction:column;gap:var(--space-3)}.take-quiz-code__lang{margin:0;font-family:var(--font-mono);font-size:var(--text-caption);color:hsl(var(--muted-foreground))}.take-quiz-code__runner{display:flex;flex-direction:column;gap:var(--space-2)}.take-quiz-code__actions{display:flex;align-items:center;gap:var(--space-2)}.take-quiz-code__run{display:inline-flex;align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-4);border:1px solid hsl(var(--success)/.35);border-radius:var(--radius-md);background:hsl(var(--success)/.12);font-size:var(--text-body);font-weight:500;color:hsl(var(--success-text));cursor:pointer;transition:background-color var(--duration-fast) var(--ease-out),border-color var(--duration-fast) var(--ease-out)}.take-quiz-code__run svg{width:var(--icon-xs);height:var(--icon-xs)}.take-quiz-code__run:hover:not(:disabled){border-color:hsl(var(--success)/.55);background:hsl(var(--success)/.2)}.take-quiz-code__run:focus-visible{outline:none;box-shadow:var(--focus-ring)}.take-quiz-code__run:disabled{cursor:not-allowed;opacity:.5}.take-quiz-code__clear{display:inline-flex;align-items:center;gap:var(--space-1-5);padding:var(--space-2) var(--space-3);border:none;border-radius:var(--radius-md);background:transparent;font-size:var(--text-caption);color:hsl(var(--muted-foreground));cursor:pointer;transition:color var(--duration-fast) var(--var(--ease-out))}.take-quiz-code__clear svg{width:.75rem;height:.75rem}.take-quiz-code__clear:hover{color:hsl(var(--foreground))}.take-quiz-terminal{overflow:hidden;border:1px solid hsl(var(--border));border-radius:var(--radius-lg);background:#0c0e12}.take-quiz-terminal__bar{display:flex;align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-3);border-bottom:1px solid hsla(0,0%,100%,.08);font-family:var(--font-mono);font-size:var(--text-caption);color:#949ba8}.take-quiz-terminal__bar svg{width:var(--icon-xs);height:var(--icon-xs)}.take-quiz-terminal__output{min-height:3.75rem;max-height:16rem;margin:0;padding:var(--space-4);overflow-y:auto;font-family:var(--font-mono);font-size:var(--text-body);line-height:1.625;color:#7de8a4;white-space:pre-wrap;overflow-wrap:break-word}.take-quiz-fill-gaps{display:flex;flex-direction:column;gap:var(--space-4)}.quiz-blanks-text{line-height:1.625}.quiz-blanks-text__p{margin:0 0 var(--space-2)}.quiz-blanks-text__p:last-child{margin-bottom:0}.quiz-blanks-text__table{margin-bottom:var(--space-2);border-collapse:collapse;border:1px solid hsl(var(--border));font-size:var(--text-body)}.quiz-blanks-text__table th,.quiz-blanks-text__table td{padding:var(--space-1) var(--space-2);border:1px solid hsl(var(--border))}.quiz-blanks-text__table th{background:hsl(var(--muted));font-weight:600}.quiz-blank{position:relative;display:inline-flex;margin:0 var(--space-1)}.quiz-blank--choice{vertical-align:middle}.quiz-blank--text{align-items:center}.quiz-blank__popover{position:absolute;bottom:calc(100% + var(--space-1));left:0;z-index:10;display:inline-flex;flex-wrap:wrap;gap:var(--space-1);padding:var(--space-1-5);border:1px solid hsl(var(--border));border-radius:var(--radius-md);background:hsl(var(--popover));box-shadow:var(--shadow-lg)}.quiz-blank__options{display:inline-flex;flex-wrap:wrap;gap:var(--space-1)}.quiz-blank__option{padding:var(--space-0-5) var(--space-2-5);border:1px solid hsl(var(--border));border-radius:var(--radius-md);background:hsl(var(--background));font-size:var(--text-body);font-weight:500;color:hsl(var(--foreground));cursor:pointer;transition:border-color var(--duration-fast) var(--ease-out),background-color var(--duration-fast) var(--ease-out)}.quiz-blank__option:hover{border-color:hsl(var(--primary)/.6);background:hsl(var(--primary)/.05)}.quiz-blank__option:focus-visible{outline:none;box-shadow:var(--focus-ring)}.quiz-blank__option--compact{border-radius:var(--radius-2xs);white-space:nowrap}.quiz-blank__option--selected,.quiz-blank__option--selected:hover{border-color:hsl(var(--primary));background:hsl(var(--primary));color:hsl(var(--primary-foreground))}.quiz-blank__input{display:inline-block;min-width:5rem;padding:var(--space-0-5) var(--space-1);border:none;border-bottom:2px solid hsl(var(--muted-foreground)/.4);background:transparent;font-size:var(--text-lead);color:hsl(var(--foreground));text-align:center;outline:none;transition:border-color var(--duration-fast) var(--var(--ease-out))}.quiz-blank__input::-moz-placeholder{color:hsl(var(--muted-foreground)/.5)}.quiz-blank__input::placeholder{color:hsl(var(--muted-foreground)/.5)}.quiz-blank__input:focus-visible{border-bottom-color:hsl(var(--ring))}.quiz-blank__input--filled{border-bottom-color:hsl(var(--primary))}.quiz-blank__number{position:absolute;top:calc(var(--space-3) * -1);left:0;font-family:var(--font-mono);font-size:var(--text-micro);color:hsl(var(--muted-foreground))}.quiz-blank__preview{display:inline-flex;align-items:center;justify-content:center;min-width:5rem;padding:var(--space-0-5) var(--space-1-5);border:none;border-bottom:2px solid hsl(var(--primary));border-radius:var(--radius-2xs) var(--radius-2xs) 0 0;background:transparent;font-size:var(--text-lead);color:hsl(var(--foreground));cursor:pointer;transition:background-color var(--duration-fast) var(--var(--ease-out))}.quiz-blank__preview:hover{background:hsl(var(--primary)/.06)}.take-quiz-footer{display:flex;flex-direction:column;gap:var(--space-3);margin-top:var(--space-4)}@media (min-width: 640px){.take-quiz-footer{flex-direction:row;align-items:center;justify-content:space-between;margin-top:var(--space-6)}}.take-quiz-footer__nav{display:flex;align-items:center;justify-content:space-between;gap:var(--space-2);order:2}@media (min-width: 640px){.take-quiz-footer__nav{justify-content:flex-start;gap:var(--space-4);order:1}}@media (max-width: 639px){.take-quiz-footer__btn{flex:1}}.take-quiz-footer__count{order:1;font-size:var(--text-caption);color:hsl(var(--muted-foreground));text-align:center}@media (min-width: 640px){.take-quiz-footer__count{order:2;font-size:var(--text-body);text-align:left}}.take-quiz-submit__warning{color:hsl(var(--warning-text))}.take-quiz-submit__warning strong{font-weight:600}.multiple-tabs-block{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:var(--space-6);background:hsl(var(--background))}.multiple-tabs-block__content{display:flex;flex-direction:column;align-items:center;gap:var(--space-5);width:100%;max-width:26.25rem;text-align:center}.multiple-tabs-block__icon-wrapper{display:flex;align-items:center;justify-content:center;width:5rem;height:5rem;border-radius:var(--radius-full);background:hsl(var(--destructive)/.1)}.multiple-tabs-block__icon{width:2.5rem;height:2.5rem;color:hsl(var(--destructive))}.multiple-tabs-block__title{font-size:var(--text-h2);font-weight:700;line-height:1.3;color:hsl(var(--foreground))}@media (max-width: 480px){.multiple-tabs-block__title{font-size:var(--text-h3)}}.multiple-tabs-block__message{font-size:var(--text-lead);line-height:1.6;color:hsl(var(--muted-foreground))}@media (max-width: 480px){.multiple-tabs-block__message{font-size:var(--text-body)}}.quiz-expired-state{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:var(--space-4);background:hsl(var(--background))}.quiz-expired-state__card{width:100%;max-width:28rem}.quiz-expired-state__content{display:flex;flex-direction:column;align-items:center;gap:var(--space-4);padding:var(--space-8);text-align:center}.quiz-expired-state__icon-wrapper{display:flex;align-items:center;justify-content:center;width:4rem;height:4rem;border-radius:var(--radius-full);background:hsl(var(--destructive)/.1)}.quiz-expired-state__icon{width:2rem;height:2rem;color:hsl(var(--destructive))}.quiz-expired-state__title{margin:0;font-size:var(--text-h2);font-weight:700;color:hsl(var(--foreground))}.quiz-expired-state__message{margin:0;line-height:var(--leading-normal);color:hsl(var(--muted-foreground))}@media (max-width: 640px){.quiz-expired-state{align-items:stretch}.quiz-expired-state__content{padding:var(--space-6)}.quiz-expired-state__title{font-size:var(--text-h3)}}.exam-error{position:relative;display:flex;align-items:center;justify-content:center;width:100%;min-height:100vh;overflow:hidden;background:radial-gradient(circle at center,hsl(var(--destructive)/.07),transparent 70%);color:hsl(var(--foreground))}.exam-error__orbs{position:absolute;top:0;right:0;bottom:0;left:0;z-index:0;overflow:hidden;pointer-events:none}.exam-error__orb{position:absolute;border-radius:var(--radius-full);filter:blur(48px)}.exam-error__orb--1{top:50%;left:33%;width:16rem;height:16rem;background:linear-gradient(to top right,hsl(var(--destructive)/.18),hsl(var(--warning)/.12));transform:translate(-50%,-50%)}.exam-error__orb--2{right:25%;bottom:33%;width:18rem;height:18rem;background:linear-gradient(to bottom right,hsl(var(--destructive)/.1),hsl(var(--primary)/.08))}.exam-error__body{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;gap:var(--space-8);padding:var(--space-8) var(--space-6);text-align:center}@media (min-width: 768px){.exam-error__body{padding:var(--space-12)}}.exam-error__icon{width:5rem;height:5rem;color:hsl(var(--destructive));opacity:.9}.exam-error__header{display:flex;flex-direction:column;align-items:center;gap:var(--space-2);max-width:32rem}.exam-error__message{margin:0;font-size:var(--text-h3);font-weight:600;line-height:1.4;color:hsl(var(--foreground))}@media (max-width: 480px){.exam-error__message{font-size:var(--text-h4)}}.exam-error__actions{display:flex;flex-wrap:wrap;justify-content:center;gap:var(--space-2-5)}.inline-markdown strong{font-weight:600}.inline-markdown em{font-style:italic}.inline-markdown code{padding:var(--space-0-5) var(--space-1);border-radius:var(--radius-2xs);background:hsl(var(--muted));font-family:var(--font-mono);font-size:var(--text-body)}.markdown{max-width:none;font-size:var(--text-body);line-height:1.7;color:hsl(var(--foreground));overflow-wrap:break-word}.markdown p{margin:0 0 var(--space-2)}.markdown p:last-child{margin-bottom:0}.markdown ul,.markdown ol{margin:0 0 var(--space-2);padding:0;list-style-position:inside}.markdown ul{list-style-type:disc}.markdown ol{list-style-type:decimal}.markdown li{margin-bottom:var(--space-1)}.markdown h1,.markdown h2,.markdown h3{margin:0 0 var(--space-2);font-weight:700;line-height:var(--leading-tight)}.markdown h1{font-size:var(--text-h2)}.markdown h2{font-size:var(--text-h3)}.markdown h3{font-size:var(--text-h4)}.markdown strong{font-weight:600}.markdown em{font-style:italic}.markdown a{color:hsl(var(--primary));text-decoration:underline;text-underline-offset:2px}.markdown img{max-width:100%;height:auto}.markdown table{margin-bottom:var(--space-2);border-collapse:collapse;border:1px solid hsl(var(--border));font-size:var(--text-body)}.markdown th,.markdown td{padding:var(--space-1) var(--space-2);border:1px solid hsl(var(--border))}.markdown th{background:hsl(var(--muted));font-weight:600}.markdown code{padding:var(--space-0-5) var(--space-1);border-radius:var(--radius-2xs);background:hsl(var(--muted));font-family:var(--font-mono);font-size:var(--text-body)}.markdown pre{margin:0 0 var(--space-2);padding:var(--space-3);overflow-x:auto;border:1px solid hsl(var(--border));border-radius:var(--radius-2xs);background:hsl(var(--muted)/.5)}.markdown pre code{padding:0;background:none}.markdown blockquote{margin:0 0 var(--space-2);padding-left:var(--space-4);border-left:4px solid hsl(var(--muted-foreground));font-style:italic;color:hsl(var(--muted-foreground))}.md-frame{margin:0 0 var(--space-2);padding:var(--space-2) var(--space-3);border:1.5px solid hsl(var(--foreground)/.7);border-radius:4px}.md-frame>:last-child{margin-bottom:0}.reading-view{display:flex;flex-direction:column;gap:var(--space-3)}.reading-view__bar{display:flex;flex-wrap:wrap;align-items:center;gap:var(--space-2) var(--space-4);padding:var(--space-2) var(--space-3);border:1px solid hsl(var(--border));border-radius:12px;background:hsl(var(--card))}.reading-view__tabs{display:none;flex:1 1 100%;padding:var(--space-0-5);border-radius:8px;background:hsl(var(--muted)/.7)}.reading-view__tab{flex:1;min-height:2.25rem;padding:0 var(--space-3);border:none;border-radius:6px;background:transparent;color:hsl(var(--muted-foreground));font:inherit;font-size:.875rem;font-weight:600;cursor:pointer;transition:background-color var(--duration-fast) var(--ease-out),color var(--duration-fast) var(--ease-out)}.reading-view__tab--active{background:hsl(var(--card));color:hsl(var(--foreground));box-shadow:0 1px 2px hsl(var(--foreground)/.08)}.reading-view__tab:focus-visible{outline:none;box-shadow:var(--focus-ring)}.reading-view__font{display:inline-flex;align-items:stretch;border:1px solid hsl(var(--border));border-radius:8px;overflow:hidden}.reading-view__font-btn,.reading-view__font-value{display:inline-flex;align-items:center;justify-content:center;min-width:2.25rem;min-height:2rem;padding:0 var(--space-2);border:none;background:transparent;color:hsl(var(--foreground));font:inherit;line-height:1;cursor:pointer;transition:background-color var(--duration-fast) var(--ease-out)}.reading-view__font-btn:hover:not(:disabled),.reading-view__font-value:hover:not(:disabled){background:hsl(var(--muted))}.reading-view__font-btn:focus-visible,.reading-view__font-value:focus-visible{position:relative;outline:none;box-shadow:inset 0 0 0 2px hsl(var(--ring))}.reading-view__font-btn:disabled,.reading-view__font-value:disabled{color:hsl(var(--muted-foreground)/.6);cursor:default}.reading-view__font-btn{font-weight:700}.reading-view__font-btn--smaller{font-size:.75rem}.reading-view__font-btn--larger{font-size:1.125rem}.reading-view__font-value{min-width:3.25rem;border-inline:1px solid hsl(var(--border));font-size:.75rem;font-variant-numeric:tabular-nums;color:hsl(var(--muted-foreground))}.reading-view__font-value:disabled{color:hsl(var(--muted-foreground))}.reading-view__hint{flex:1;margin:0;font-size:.8125rem;color:hsl(var(--muted-foreground))}.reading-view__clear{display:inline-flex;align-items:center;gap:var(--space-1-5);min-height:2rem;margin-left:auto;padding:0 var(--space-2-5);border:none;border-radius:8px;background:transparent;color:hsl(var(--muted-foreground));font:inherit;font-size:.8125rem;font-weight:500;cursor:pointer}.reading-view__clear svg{width:1rem;height:1rem}.reading-view__clear:hover{background:hsl(var(--muted));color:hsl(var(--foreground))}.reading-view__clear:focus-visible{outline:none;box-shadow:var(--focus-ring)}.reading-view__sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.reading-view__panes{display:grid;grid-template-columns:minmax(0,var(--reading-split)) .75rem minmax(0,var(--reading-rest));height:calc(100dvh - 18rem);min-height:26rem;border:1px solid hsl(var(--border));border-radius:12px;background:hsl(var(--card));overflow:hidden}.reading-view__divider{position:relative;display:flex;align-items:center;justify-content:center;cursor:col-resize;touch-action:none}.reading-view__divider:before{content:"";position:absolute;inset:0 auto 0 50%;width:1px;background:hsl(var(--border));transition:background-color var(--duration-fast) var(--ease-out)}.reading-view__divider:hover:before,.reading-view__divider:focus-visible:before{background:hsl(var(--primary)/.6)}.reading-view__divider:focus-visible{outline:none}.reading-view__divider:focus-visible .reading-view__divider-grip{box-shadow:var(--focus-ring)}.reading-view__divider-grip{position:relative;width:.375rem;height:2.5rem;border-radius:999px;background:hsl(var(--muted-foreground)/.35)}.reading-pane{min-width:0;min-height:0}.reading-pane--questions{background:hsl(var(--muted)/.35)}.reading-pane__scroll{height:100%;overflow-y:auto;overscroll-behavior:contain;padding:var(--space-6)}.reading-pane__content{zoom:var(--reading-scale, 1)}.reading-pane__content--passage{max-width:68ch}.reading-annotatable{-moz-user-select:text;user-select:text;-webkit-user-select:text;cursor:text}.reading-pane__instructions{margin-bottom:var(--space-5);padding:var(--space-3) var(--space-4);border-radius:8px;background:hsl(var(--muted)/.55)}.reading-pane__instructions .markdown{font-size:.875rem;line-height:1.55;color:hsl(var(--muted-foreground))}.reading-pane__passage .markdown{font-size:1rem;line-height:1.75}.reading-pane__passage .markdown p{margin-bottom:var(--space-4)}.reading-pane__passage .markdown h1,.reading-pane__passage .markdown h2,.reading-pane__passage .markdown h3{letter-spacing:-.015em}.reading-pane__questions-head{display:flex;align-items:baseline;justify-content:space-between;gap:var(--space-3);margin-bottom:var(--space-2)}.reading-pane__questions-title{margin:0;font-size:1.125rem;font-weight:700;letter-spacing:-.015em}.reading-pane__questions-count{font-size:.8125rem;color:hsl(var(--muted-foreground));font-variant-numeric:tabular-nums}.reading-pane__questions{margin:0;padding:0;list-style:none}.reading-q{display:flex;flex-direction:column;gap:var(--space-3);padding:var(--space-5) 0;border-bottom:1px solid 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svg{width:var(--icon-sm);height:var(--icon-sm)}.ui-select__item{width:100%}}.essay-answer{display:flex;flex-direction:column;gap:var(--space-2)}.essay-answer__input{min-height:22rem;font-size:.9375rem;line-height:1.7;resize:vertical}.essay-answer__meta{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:var(--space-2);font-size:var(--text-caption)}.essay-answer__count{color:hsl(var(--muted-foreground));font-variant-numeric:tabular-nums}.essay-answer__count--short{color:hsl(var(--warning-text));font-weight:600}.essay-answer__warning{color:hsl(var(--warning-text))}@media (max-width: 640px){.essay-answer__input{min-height:16rem}}.char-count{flex-shrink:0;font-size:var(--text-caption);font-variant-numeric:tabular-nums;color:hsl(var(--muted-foreground))}.char-count--block{display:block;margin-top:var(--space-1);text-align:right}.char-count--over{color:hsl(var(--destructive))}@layer ui{.ui-textarea{min-height:5rem;padding:var(--space-2) 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infinite}.auth-3d-card{position:relative;width:100%;max-width:var(--auth-card-width);background:hsl(var(--card));border-radius:var(--radius-xl);padding:var(--space-5);box-shadow:0 30px 70px #00000061,0 12px 24px #0000002e;animation:card-enter .45s cubic-bezier(.4,0,.2,1) both}.auth-3d-card:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;border-radius:var(--radius-xl);background:#ffffffb8;transform:translate(7px,9px) rotate(2.5deg);z-index:-1}.auth-3d-card:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;border-radius:var(--radius-xl);background:#ffffff73;transform:translate(13px,16px) rotate(4.5deg);z-index:-2}.auth-carousel{--auth-card-width: 440px;--auth-card-zoom: .84;position:relative;width:100%;height:460px;perspective:900px;margin-bottom:.875rem}@media (max-width: 1279px){.auth-carousel{--auth-card-width: 360px;--auth-card-zoom: .72;height:400px}}.auth-carousel__item{position:absolute;width:var(--auth-card-width);height:100%;left:calc(50% - var(--auth-card-width) / 2);top:0;transition:transform .5s cubic-bezier(.4,0,.2,1),opacity .5s var(--ease-out),filter .5s var(--ease-out);will-change:transform}.auth-carousel__item .auth-3d-card{height:100%;box-sizing:border-box;animation:none;transition:transform var(--duration-slow) var(--ease-out),box-shadow var(--duration-slow) var(--ease-out)}.auth-carousel__item .auth-3d-card:before,.auth-carousel__item .auth-3d-card:after{display:none}.auth-carousel__item--center:hover .auth-3d-card{transform:translateY(-7px) scale(1.03);box-shadow:0 44px 88px #00000070,0 18px 36px #00000038}.auth-3d-card__viewport{height:100%;overflow:hidden;-webkit-mask-image:linear-gradient(to bottom,#000 calc(100% - 2rem),transparent);mask-image:linear-gradient(to bottom,#000 calc(100% - 2rem),transparent)}.auth-3d-card__demo{zoom:var(--auth-card-zoom)}.auth-3d-card__demo .reading-view__panes{height:27rem;min-height:0}.auth-3d-card__demo .listening-view__head{position:static}.auth-3d-card__demo .essay-answer__input{min-height:8rem}.auth-card-dots{display:flex;align-items:center;justify-content:center;gap:var(--space-1-5);margin-top:1.125rem}.auth-card-dot{height:.375rem;width:.375rem;border-radius:var(--radius-full);background:#ffffff4d;cursor:pointer;transition:background var(--duration-base) var(--ease-out),width var(--duration-base) var(--ease-out)}.auth-card-dot--active{background:#ffffffe6;width:1.375rem}.auth-card-dot:hover:not(.auth-card-dot--active){background:#ffffff8c}.auth-visual-bottom{position:relative;z-index:1}.auth-visual-tagline{font-size:var(--text-h2);font-weight:700;color:#fffffff2;line-height:1.2;letter-spacing:-.03em;margin:0 0 var(--space-2)}@media (max-width: 1200px){.auth-visual-tagline{font-size:var(--text-h3)}}.auth-visual-sub{font-size:var(--text-small);color:#ffffff94;line-height:1.6;margin:0 0 var(--space-5);max-width:32ch}.auth-divider{display:flex;align-items:center;gap:var(--space-3);margin:var(--space-5) 0 var(--space-4);animation:auth-fade-up .5s ease both;animation-delay:.27s}.auth-divider__line{flex:1;height:1px;background-color:hsl(var(--border))}.auth-divider__text{font-size:var(--text-small);color:hsl(var(--foreground)/.45);white-space:nowrap;font-weight:500}.auth-testimonials{display:flex;gap:var(--space-2-5)}.auth-testimonial{flex:1;background:#ffffff1a;border:1px solid hsla(0,0%,100%,.14);border-radius:var(--radius-xl);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);padding:.875rem;animation:auth-fade-up .6s ease both}.auth-testimonial:nth-child(1){animation-delay:.35s}.auth-testimonial:nth-child(2){animation-delay:.49s}.auth-testimonial__avatar{width:1.875rem;height:1.875rem;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:var(--text-micro);font-weight:700;color:#fff;margin-bottom:var(--space-2)}.auth-testimonial__name{font-size:var(--text-caption);font-weight:600;color:#ffffffeb;margin:0 0 var(--space-1);line-height:1}.auth-testimonial__text{font-size:var(--text-caption);color:#ffffff94;margin:0;line-height:1.45}@keyframes auth-fade-up{0%{opacity:0;transform:translateY(18px);filter:blur(3px)}to{opacity:1;transform:translateY(0);filter:blur(0)}}.auth-page{display:flex;height:100dvh;overflow:hidden;background-color:hsl(var(--background));position:relative}.auth-back{display:inline-flex;align-items:center;gap:var(--space-1-5);position:absolute;top:1.25rem;left:1.5rem;z-index:10;font-size:var(--text-small);font-weight:500;color:hsl(var(--muted-foreground));text-decoration:none;padding:var(--space-1-5) var(--space-2-5);border-radius:var(--radius-lg);transition:color var(--duration-fast),background-color var(--duration-fast)}.auth-back svg{width:.9rem;height:.9rem;transition:transform var(--duration-fast)}.auth-back:hover{color:hsl(var(--foreground));background-color:hsl(var(--muted)/.6)}.auth-back:hover svg{transform:translate(-2px)}@media (max-width: 480px){.auth-back{top:1rem;left:1rem}}.auth-controls{display:flex;align-items:center;gap:var(--space-2);position:absolute;top:1.25rem;right:1.5rem;z-index:10}@media (max-width: 480px){.auth-controls{top:1rem;right:1rem}}@media (min-width: 900px){.auth-controls button{color:#ffffffd9}.auth-controls button svg{color:#ffffffd9}.auth-controls button:hover{color:#fff;background-color:#ffffff1f}.auth-controls button:hover svg{color:#fff}}.auth-left{display:flex;flex-direction:column;flex:1;min-width:0;overflow-y:auto}@media (min-width: 900px){.auth-left{flex:none;width:55%}}.auth-form{animation:auth-fade-up .5s ease both;animation-delay:.16s}.auth-field-label{display:block;font-size:var(--text-small);font-weight:500;color:hsl(var(--foreground));margin-bottom:var(--space-1-5)}.auth-input-wrap{position:relative;border-radius:var(--radius-lg);border:1.5px solid hsl(var(--border));background-color:hsl(var(--card));transition:border-color var(--duration-base) var(--ease-out),box-shadow var(--duration-base) var(--ease-out)}.auth-input-wrap:focus-within{border-color:hsl(var(--primary)/.6);box-shadow:var(--focus-glow)}.auth-input-btn{position:absolute;inset-block:0;right:0;display:flex;align-items:center;padding:0 .875rem;color:hsl(var(--muted-foreground));background:none;border:none;cursor:pointer;border-radius:0 var(--radius-lg) var(--radius-lg) 0;transition:color var(--duration-fast)}.auth-input-btn:hover{color:hsl(var(--foreground))}.auth-input-btn svg{width:1rem;height:1rem}@keyframes command-target-pulse{0%{box-shadow:0 0 hsl(var(--primary)/.5)}70%{box-shadow:0 0 0 .75rem hsl(var(--primary)/0)}to{box-shadow:0 0 hsl(var(--primary)/0)}}@keyframes command-target-ring{0%,80%{outline-color:hsl(var(--primary))}to{outline-color:hsl(var(--primary)/0)}}.command-target-highlight.command-target-highlight{position:relative;z-index:1;outline:2px solid hsl(var(--primary));outline-offset:3px;animation:command-target-pulse .9s var(--ease-out) .15s 2,command-target-ring 2.4s linear forwards}@property --search-mark-alpha{syntax: "<number>"; inherits: true; initial-value: .42;}@keyframes search-mark-fade{0%,84%{--search-mark-alpha: .42}to{--search-mark-alpha: 0}}.search-arrival-active{animation:search-mark-fade 5s linear forwards}::highlight(search-arrival){background-color:hsl(var(--warning)/var(--search-mark-alpha))}@media (prefers-reduced-motion: reduce){.command-target-highlight.command-target-highlight,.search-arrival-active{animation:none}}.confirm-modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:var(--z-overlay);background:#07090db8}.confirm-modal-overlay[data-state=open]{animation:ui-fade-in var(--duration-base) var(--ease-out)}.confirm-modal-overlay[data-state=closed]{animation:ui-fade-out var(--duration-fast) var(--ease-out) forwards}.confirm-modal-content{position:fixed;left:50%;top:50%;z-index:var(--z-overlay);transform:translate(-50%,-50%);width:calc(100% - 2rem);max-width:22rem;padding:var(--space-6);display:flex;flex-direction:column;gap:var(--space-5);background:hsl(var(--background));border:1px solid hsl(var(--border));border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);outline:none}.confirm-modal-content[data-state=open]{animation:confirm-content-in var(--duration-base) var(--ease-out)}.confirm-modal-content[data-state=closed]{animation:confirm-content-out var(--duration-fast) var(--ease-out)}@keyframes confirm-content-in{0%{opacity:0;transform:translate(-50%,-48%) scale(.96)}to{opacity:1;transform:translate(-50%,-50%) scale(1)}}@keyframes confirm-content-out{0%{opacity:1;transform:translate(-50%,-50%) scale(1)}to{opacity:0;transform:translate(-50%,-48%) scale(.96)}}.confirm-modal-header{display:flex;flex-direction:column;align-items:center;text-align:center;gap:var(--space-2-5)}.confirm-modal-icon{display:flex;align-items:center;justify-content:center;width:2.75rem;height:2.75rem;border-radius:50%;flex-shrink:0}.confirm-modal-icon svg{width:1.125rem;height:1.125rem}.confirm-modal-icon--default{background:hsl(var(--primary)/.1);color:hsl(var(--primary))}.confirm-modal-icon--danger{background:hsl(var(--destructive)/.1);color:hsl(var(--destructive))}.confirm-modal-title{font-size:var(--text-lead);font-weight:600}.confirm-modal-description{font-size:var(--text-small);line-height:var(--leading-normal);color:hsl(var(--muted-foreground))}.confirm-modal-body{display:flex;flex-direction:column;gap:var(--space-3);font-size:var(--text-small);line-height:var(--leading-normal);color:hsl(var(--foreground))}.confirm-modal-footer{display:flex;flex-direction:row;gap:var(--space-2)}.confirm-modal-footer .confirm-modal-cancel,.confirm-modal-footer .confirm-modal-secondary,.confirm-modal-footer .confirm-modal-confirm{flex:1;height:var(--control-sm);font-size:var(--text-small)}.confirm-modal-footer--stacked{flex-direction:column-reverse}.confirm-modal-footer--stacked .confirm-modal-cancel,.confirm-modal-footer--stacked .confirm-modal-secondary,.confirm-modal-footer--stacked .confirm-modal-confirm{flex:none;height:var(--control-md)}.confirm-modal-secondary--danger{color:hsl(var(--destructive-text))}.confirm-modal-secondary--danger:hover{color:hsl(var(--destructive-text));background:hsl(var(--destructive)/.08)}.account-avatar{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;overflow:hidden;border-radius:50%;background:hsl(var(--primary))}.account-avatar img{width:100%;height:100%;-o-object-fit:cover;object-fit:cover;display:block}.account-avatar--sm{width:28px;height:28px}.account-avatar--sm .account-avatar-initials{font-size:var(--text-micro)}.account-avatar--md{width:36px;height:36px}.account-avatar--md .account-avatar-initials{font-size:var(--text-caption)}.account-avatar--muted{background:hsl(var(--muted-foreground)/.45)}.account-avatar--muted img{filter:grayscale(1);opacity:.6}.account-avatar-initials{font-weight:600;color:hsl(var(--primary-foreground));text-box:trim-both cap alphabetic}.account-switched-overlay{z-index:var(--z-takeover)}.account-switched-content{z-index:var(--z-takeover);max-width:24rem}.account-switched-pair{display:flex;align-items:center;justify-content:center;gap:var(--space-3)}.account-switched-arrow{width:18px;height:18px;color:hsl(var(--muted-foreground))}.account-switched-empty{width:36px;height:36px;border-radius:50%;border:1.5px dashed hsl(var(--border))}.account-switched-actions{display:flex;flex-direction:column;gap:var(--space-2)}.account-switched-actions button{width:100%;white-space:normal;height:auto;min-height:2.25rem}.account-switcher{padding:var(--space-1) 0}.account-switcher-label{margin:0;padding:var(--space-1) var(--space-2) var(--space-1-5);font-size:var(--text-caption);font-weight:500;color:hsl(var(--muted-foreground))}.account-switcher-item,.account-switcher-add{gap:var(--space-2-5);cursor:pointer}.account-switcher-text{display:flex;flex-direction:column;min-width:0;flex:1;line-height:1.25}.account-switcher-name{font-size:var(--text-body);font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.account-switcher-meta{font-size:var(--text-caption);color:hsl(var(--muted-foreground))}.account-switcher-meta--expired{color:hsl(var(--destructive))}.account-switcher-add-icon{width:28px;height:16px;flex-shrink:0;color:hsl(var(--muted-foreground))}.profile-dropdown-content{width:15.5rem}.profile-trigger{width:2.25rem;height:2.25rem;padding:0;border-radius:var(--radius-full)}.profile-identity{display:flex;align-items:center;gap:var(--space-2);padding:var(--space-1-5) var(--space-2)}.profile-user-info{flex:1;min-width:0}.profile-user-name{margin:0;font-size:var(--text-body);font-weight:500}.profile-section{padding:var(--space-1-5) var(--space-2)}.profile-section-label{margin:0 0 var(--space-1-5);font-size:var(--text-caption);font-weight:500;color:hsl(var(--muted-foreground))}.profile-static-item{cursor:default}.profile-static-item:focus,.profile-static-item[data-highlighted]{background:transparent;color:inherit}.profile-push-end{margin-left:auto}.profile-grow{flex:1}.profile-upgrade-item{font-weight:500;color:hsl(var(--primary))}.profile-upgrade-item:hover,.profile-upgrade-item:focus,.profile-upgrade-item[data-highlighted]{color:hsl(var(--primary))}.profile-lang-item--active{background:hsl(var(--accent));font-weight:500}.profile-email-copy{display:flex;align-items:center;gap:var(--space-1);max-width:100%;margin:0 calc(var(--space-1) * -1);padding:1px var(--space-1);border:none;border-radius:var(--radius-2xs);background:none;color:hsl(var(--muted-foreground));cursor:pointer;transition:background-color var(--duration-fast) var(--ease-out),color var(--duration-fast) var(--ease-out)}.profile-email-copy:hover,.profile-email-copy:focus-visible{background:hsl(var(--accent));color:hsl(var(--foreground))}.profile-email-copy:hover .profile-email-copy-icon,.profile-email-copy:focus-visible .profile-email-copy-icon{width:.75rem;opacity:1;transform:scale(1)}.profile-email-copy:focus-visible{outline:none;box-shadow:var(--focus-ring)}.profile-email-copy-text{min-width:0;overflow:hidden;font-size:var(--text-caption);text-overflow:ellipsis;white-space:nowrap}.profile-email-copy-icon{display:flex;flex-shrink:0;align-items:center;width:0;overflow:hidden;opacity:0;transform:scale(.7);transition:opacity var(--duration-fast) var(--ease-out),transform var(--duration-fast) var(--ease-out),width var(--duration-fast) var(--ease-out)}.profile-email-copy-icon svg{width:.75rem;height:.75rem}.profile-email-copy-icon--visible{width:.75rem;opacity:1;transform:scale(1)}.profile-teacher-code-row{display:flex;align-items:center;gap:var(--space-1)}.profile-teacher-code{display:flex;flex:1;align-items:center;justify-content:space-between;min-width:0;padding:var(--space-1) var(--space-2);border:1px solid hsl(var(--border));border-radius:var(--radius-xs);background:hsl(var(--muted));cursor:pointer;transition:background-color var(--duration-fast) var(--ease-out),border-color var(--duration-fast) var(--ease-out)}.profile-teacher-code:hover{border-color:hsl(var(--primary)/.3);background:hsl(var(--accent))}.profile-teacher-code:hover .profile-teacher-code-icon{color:hsl(var(--primary))}.profile-teacher-code:focus-visible{outline:none;box-shadow:var(--focus-ring)}.profile-teacher-code-link{display:flex;flex-shrink:0;align-items:center;justify-content:center;width:1.625rem;height:1.625rem;padding:0;border:1px solid hsl(var(--border));border-radius:var(--radius-xs);background:hsl(var(--muted));color:hsl(var(--muted-foreground));cursor:pointer;transition:background-color var(--duration-fast) var(--ease-out),border-color var(--duration-fast) var(--ease-out),color var(--duration-fast) var(--ease-out)}.profile-teacher-code-link svg{width:.75rem;height:.75rem}.profile-teacher-code-link:hover{border-color:hsl(var(--primary)/.3);background:hsl(var(--accent));color:hsl(var(--primary))}.profile-teacher-code-link:focus-visible{outline:none;box-shadow:var(--focus-ring)}.profile-teacher-code-value{font-family:var(--font-mono);font-size:var(--text-caption);font-weight:600;letter-spacing:.06em;color:hsl(var(--foreground))}.profile-teacher-code-icon{display:flex;align-items:center;color:hsl(var(--muted-foreground));transition:color var(--duration-fast) var(--var(--ease-out))}.profile-teacher-code-icon svg{width:.75rem;height:.75rem}.profile-lang-toggle{display:flex;align-items:center;justify-content:space-between;width:100%;margin-bottom:var(--space-1);padding:0;border:none;background:none;cursor:pointer}.profile-lang-toggle .profile-section-label{margin:0}.profile-lang-toggle:hover .profile-lang-chevron{color:hsl(var(--foreground))}.profile-lang-toggle:focus-visible{outline:none;border-radius:var(--radius-2xs);box-shadow:var(--focus-ring)}.profile-lang-chevron{width:.75rem;height:.75rem;color:hsl(var(--muted-foreground));transition:transform var(--duration-base) var(--ease-out),color var(--duration-fast) var(--ease-out)}.profile-lang-chevron--open{transform:rotate(180deg)}.student-profile-trigger{gap:var(--space-2);height:2.25rem;padding:0 var(--space-3) 0 var(--space-2);border-radius:var(--radius-full)}.student-profile-trigger__name{font-size:var(--text-body);font-weight:500}@media (max-width: 639px){.student-profile-trigger__name{display:none}}.student-profile-content{width:14rem}.student-profile-email{margin:0;font-size:var(--text-caption);color:hsl(var(--muted-foreground))}.app-logo{display:flex;align-items:center;color:hsl(var(--foreground));text-decoration:none;transition:opacity var(--duration-fast) var(--ease-out)}.app-logo:hover{opacity:.85}.app-logo .logo-wordmark{flex-shrink:0}.app-logo--sm .logo-wordmark{height:26px}.app-logo--md .logo-wordmark{height:30px}.app-logo--sm .logo-wordmark__text{font-size:23px}.app-logo--md .logo-wordmark__text{font-size:27px}.logo-wordmark{position:relative;display:inline-block}.logo-wordmark__letters{display:block;width:auto;height:100%;overflow:visible}.logo-wordmark__wave{stroke:hsl(var(--primary));transition:opacity .3s var(--ease-out)}.logo-wordmark--live .logo-wordmark__wave{opacity:0}.logo-wordmark__wave-3d{position:absolute;top:-16.1904761905%;left:3.0473511486%;width:37.5058602907%;height:57.1428571429%;color:hsl(var(--primary));opacity:0;pointer-events:none;transition:opacity .3s var(--ease-out)}.logo-wordmark--live .logo-wordmark__wave-3d{opacity:1}.logo-wordmark--instance{display:inline-flex;align-items:center}.logo-wordmark__text{font-weight:700;font-size:inherit;line-height:1;letter-spacing:-.035em;white-space:nowrap}.logo-wordmark__image{display:block;width:auto;height:100%}.public-header{border-bottom:1px solid var(--border);background-color:var(--card)}.public-header--sticky{position:sticky;top:0;z-index:var(--z-sticky);background-color:color-mix(in srgb,var(--card) 80%,transparent);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}.public-header__inner{display:flex;height:4rem;align-items:center;max-width:1280px;margin:0 auto;padding:0 var(--space-6)}.public-header__nav{display:none;align-items:center;gap:var(--space-0-5);margin-left:var(--space-8)}@media (min-width: 768px){.public-header__nav{display:flex}}.public-header__nav-link{padding:var(--space-1-5) var(--space-3);font-size:var(--text-body);font-weight:500;color:hsl(var(--muted-foreground));border-radius:var(--radius-xs);background:transparent;border:none;cursor:pointer;position:relative;text-decoration:none;transition:color var(--duration-base)}.public-header__nav-link:after{content:"";position:absolute;bottom:2px;left:.75rem;right:.75rem;height:2px;background:hsl(var(--primary));border-radius:2px;transform:scaleX(0);transform-origin:center;transition:transform var(--duration-base) var(--var(--ease-out))}.public-header__nav-link:hover{color:hsl(var(--foreground))}.public-header__nav-link:hover:after{transform:scaleX(1)}.public-header__nav-link--active{color:hsl(var(--foreground))}.public-header__nav-link--active:after{transform:scaleX(1)}.public-header__right{margin-left:auto;display:flex;align-items:center;gap:var(--space-2)}@media (min-width: 640px){.public-header__right{gap:var(--space-3)}}.ai-orb{display:block;flex-shrink:0}.command-palette-trigger{display:inline-flex;align-items:center;gap:var(--space-2);height:2.25rem;min-width:13rem;padding:0 var(--space-2) 0 var(--space-3);border:1px solid hsl(var(--border));border-radius:var(--radius-sm);background:hsl(var(--background));color:hsl(var(--muted-foreground));font-size:var(--text-body);cursor:pointer;transition:border-color var(--duration-fast) var(--ease-out),color var(--duration-fast) var(--ease-out)}.command-palette-trigger:hover{border-color:hsl(var(--ring)/.5);color:hsl(var(--foreground))}.command-palette-trigger:focus-visible{outline:2px solid hsl(var(--ring));outline-offset:2px}.command-palette-trigger-icon{width:1rem;height:1rem;flex-shrink:0}.command-palette-trigger-label{flex:1;text-align:left}.command-palette-trigger-kbd{padding:var(--space-0-5) var(--space-1-5);border:1px solid hsl(var(--border));border-radius:var(--radius-2xs);background:hsl(var(--muted));font-family:inherit;font-size:var(--text-caption);font-weight:500;line-height:1.2;color:hsl(var(--muted-foreground))}.command-palette.command-palette{max-width:36rem;width:calc(100% - 2rem);padding:0;gap:0;overflow:hidden;border-radius:var(--radius-lg)}.command-palette.command-palette [cmdk-input-wrapper]{padding-right:2.75rem}.command-palette.command-palette [cmdk-input]{height:3rem;font-size:var(--text-lead)}.command-palette.command-palette [cmdk-group-heading]{padding:var(--space-2) var(--space-2) var(--space-1);font-size:var(--text-caption);font-weight:500;color:hsl(var(--muted-foreground))}.command-palette.command-palette [cmdk-empty]{padding:var(--space-8) var(--space-6);color:hsl(var(--muted-foreground))}.command-palette-command{background:hsl(var(--popover))}.command-palette-list.command-palette-list{height:min(24rem,60vh);max-height:none;padding:var(--space-1)}.command-palette-item.command-palette-item{gap:var(--space-3);padding:var(--space-2) var(--space-2-5);border-radius:var(--radius-sm);cursor:pointer}.command-palette-item-icon{width:1rem;height:1rem;flex-shrink:0;color:hsl(var(--muted-foreground))}[data-selected=true]>.command-palette-item-icon{color:currentColor}.command-palette-item-label{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.command-palette-item-meta{flex-shrink:0;font-size:var(--text-caption);color:hsl(var(--muted-foreground))}.command-palette-item--rich.command-palette-item--rich{align-items:flex-start}.command-palette-item--rich.command-palette-item--rich .command-palette-item-icon{margin-top:var(--space-0-5)}.command-palette-item-body{display:flex;flex:1;flex-direction:column;gap:var(--space-0-5);min-width:0}.command-palette-item-sub{display:flex;align-items:center;gap:var(--space-2);min-width:0;font-size:var(--text-caption);color:hsl(var(--muted-foreground))}.command-palette-item-option{flex-shrink:1;min-width:0;max-width:45%;padding-right:var(--space-2);border-right:1px solid hsl(var(--border));overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:hsl(var(--foreground)/.8)}.command-palette-item-location{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.command-palette-pill{flex-shrink:0;padding:0 var(--space-1-5);border-radius:var(--radius-2xs);background:hsl(var(--muted));font-size:var(--text-caption);font-weight:500;line-height:1.25rem;color:hsl(var(--muted-foreground))}.command-palette-mark{padding:0 .0625rem;border-radius:.1875rem;background:hsl(var(--primary)/.14);color:inherit;font-weight:600}[data-selected=true] .command-palette-mark{background:hsl(var(--primary)/.22)}.command-palette-see-all.command-palette-see-all{padding-left:2.375rem;font-size:var(--text-caption);font-weight:500;color:hsl(var(--primary))}.command-palette-back{display:flex;align-items:center;gap:var(--space-3);width:100%;padding:var(--space-2) .875rem;border:0;border-bottom:1px solid hsl(var(--border));background:hsl(var(--muted)/.5);font-size:var(--text-caption);font-weight:500;color:hsl(var(--muted-foreground));text-align:left;cursor:pointer;transition:color var(--duration-fast) var(--var(--ease-out))}.command-palette-back:hover{color:hsl(var(--foreground))}.command-palette-back:focus-visible{outline:2px solid hsl(var(--ring));outline-offset:-2px}.command-palette-status{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-3) var(--space-2-5);font-size:var(--text-caption);color:hsl(var(--muted-foreground))}@media (prefers-reduced-motion: reduce){.command-palette-spinner{animation:none}}@media (max-width: 768px){.command-palette-trigger{min-width:0;width:2.25rem;padding:0;justify-content:center;border-color:transparent;background:transparent}.command-palette-trigger-icon{width:1.125rem;height:1.125rem}.command-palette-trigger-label,.command-palette-trigger-kbd{display:none}}@media (max-width: 480px){.command-palette.command-palette{width:calc(100% - 1rem)}.command-palette-list.command-palette-list{height:min(22rem,55vh)}}@layer ui{.ui-spinner{flex-shrink:0;animation:ui-spin .8s linear infinite}.ui-spinner--xs{width:var(--icon-xs);height:var(--icon-xs)}.ui-spinner--sm{width:var(--icon-sm);height:var(--icon-sm)}.ui-spinner--md{width:var(--icon-lg);height:var(--icon-lg)}.ui-spinner--lg{width:2.5rem;height:2.5rem}.ui-spinner--muted{color:hsl(var(--muted-foreground))}.ui-spinner--primary{color:hsl(var(--primary))}@media (prefers-reduced-motion: reduce){.ui-spinner{animation-duration:1.6s}}}@layer ui{.ui-dialog__overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:var(--z-overlay);background-color:#07090db8}.ui-dialog__overlay[data-state=open]{animation:ui-fade-in var(--duration-base) var(--ease-out)}.ui-dialog__overlay[data-state=closed]{animation:ui-fade-out var(--duration-fast) var(--ease-out) forwards}.ui-dialog__content{position:fixed;top:50%;left:50%;z-index:var(--z-overlay);display:grid;gap:var(--space-4);width:100%;max-width:32rem;padding:var(--space-6);border:1px solid hsl(var(--border));background-color:hsl(var(--background));box-shadow:var(--shadow-lg);transform:translate(-50%,-50%)}.ui-dialog__content[data-state=open]{animation:ui-dialog-in var(--duration-base) var(--ease-out)}.ui-dialog__content[data-state=closed]{animation:ui-dialog-out var(--duration-fast) var(--ease-out) forwards}@media (min-width: 640px){.ui-dialog__content{border-radius:var(--radius-lg)}}.ui-dialog__content--sm{max-width:24rem}.ui-dialog__content--flush{padding:0;overflow:hidden}.ui-dialog__close{position:absolute;top:var(--space-3);right:var(--space-3);display:inline-flex;align-items:center;justify-content:center;width:var(--control-sm);height:var(--control-sm);border-radius:var(--radius-sm);color:hsl(var(--muted-foreground));transition:background-color var(--duration-fast) var(--ease-out),color var(--duration-fast) var(--ease-out)}.ui-dialog__close svg{width:var(--icon-sm);height:var(--icon-sm)}.ui-dialog__close:hover{background-color:hsl(var(--accent));color:hsl(var(--foreground))}.ui-dialog__close:focus-visible{outline:none;box-shadow:var(--focus-ring)}.ui-dialog__close:disabled{pointer-events:none}.ui-dialog__header{display:flex;flex-direction:column;gap:var(--space-1-5);text-align:center}@media (min-width: 640px){.ui-dialog__header{text-align:left}}.ui-dialog__footer{display:flex;flex-direction:column-reverse;gap:var(--space-2)}@media (min-width: 640px){.ui-dialog__footer{flex-direction:row;justify-content:flex-end}}.ui-dialog__title{font-size:var(--text-h4);font-weight:600;line-height:var(--leading-tight);letter-spacing:var(--tracking-tight);color:hsl(var(--foreground))}.ui-dialog__description{font-size:var(--text-body);line-height:var(--leading-normal);color:hsl(var(--muted-foreground))}@keyframes ui-dialog-in{0%{opacity:0;transform:translate(-50%,-48%) scale(.96)}}@keyframes ui-dialog-out{to{opacity:0;transform:translate(-50%,-48%) scale(.96)}}@media (prefers-reduced-motion: reduce){.ui-dialog__content[data-state=open]{animation-name:ui-fade-in}.ui-dialog__content[data-state=closed]{animation-name:ui-fade-out}}}@layer ui{.ui-command{display:flex;flex-direction:column;width:100%;height:100%;overflow:hidden;border-radius:var(--radius-md);background-color:hsl(var(--popover));color:hsl(var(--popover-foreground))}.ui-command--dialog [cmdk-group]{padding:0 var(--space-2)}.ui-command--dialog [cmdk-group]:not([hidden])~[cmdk-group]{padding-top:0}.ui-command--dialog [cmdk-input]{height:3rem}.ui-command--dialog .ui-command__input-wrap svg,.ui-command--dialog .ui-command__item svg{width:var(--icon-md);height:var(--icon-md)}.ui-command--dialog .ui-command__item{padding:var(--space-3) var(--space-2)}.ui-command__input-wrap{display:flex;align-items:center;gap:var(--space-2);padding:0 var(--space-3);border-bottom:1px solid hsl(var(--border))}.ui-command__input-wrap svg{width:var(--icon-sm);height:var(--icon-sm);flex-shrink:0;opacity:.5}.ui-command__input{display:flex;width:100%;height:2.75rem;padding:var(--space-3) 0;border:0;border-radius:var(--radius-md);background:transparent;font-size:var(--text-body);outline:none}.ui-command__input::-moz-placeholder{color:hsl(var(--muted-foreground))}.ui-command__input::placeholder{color:hsl(var(--muted-foreground))}.ui-command__input:disabled{cursor:not-allowed;opacity:.5}.ui-command__list{max-height:300px;overflow-x:hidden;overflow-y:auto}.ui-command__empty{padding:var(--space-6) 0;font-size:var(--text-body);text-align:center;color:hsl(var(--muted-foreground))}.ui-command__group{overflow:hidden;padding:var(--space-1);color:hsl(var(--foreground))}.ui-command__group [cmdk-group-heading]{padding:var(--space-1-5) var(--space-2);font-size:var(--text-caption);font-weight:500;color:hsl(var(--muted-foreground))}.ui-command__separator{height:1px;margin:0 calc(var(--space-1) * -1);background-color:hsl(var(--border))}.ui-command__item{position:relative;display:flex;align-items:center;gap:var(--space-2);padding:var(--space-1-5) var(--space-2);border-radius:var(--radius-xs);font-size:var(--text-body);cursor:default;-webkit-user-select:none;-moz-user-select:none;user-select:none;outline:none}.ui-command__item[data-selected=true]{background-color:hsl(var(--accent));color:hsl(var(--accent-foreground))}.ui-command__item[data-disabled=true]{pointer-events:none;opacity:.5}.ui-command__shortcut{margin-left:auto;font-size:var(--text-caption);letter-spacing:.1em;color:hsl(var(--muted-foreground))}}.luma-bar{position:fixed;bottom:1.25rem;left:50%;transform:translate(-50%);z-index:var(--z-sticky)}.luma-bar__track{display:flex;align-items:center;gap:var(--space-0-5);background:hsl(var(--card));border-radius:var(--radius-full);padding:var(--space-2) .875rem;border:1px solid hsl(var(--border));box-shadow:var(--shadow-lg)}.luma-bar__item{position:relative;display:flex;flex-direction:column;align-items:center}.luma-bar__button{position:relative;display:flex;align-items:center;justify-content:center;width:3rem;height:3rem;border-radius:50%;border:none;background:transparent;cursor:pointer;color:hsl(var(--muted-foreground));transition:color var(--duration-base) var(--var(--ease-out));padding:0;-webkit-tap-highlight-color:transparent}.luma-bar__button:hover,.luma-bar__button--active{color:hsl(var(--primary))}.luma-bar__button--create{width:3.25rem;height:3.25rem;background:hsl(var(--primary));color:hsl(var(--primary-foreground));box-shadow:var(--shadow-sm)}.luma-bar__button--create:hover{color:hsl(var(--primary-foreground));background:hsl(var(--primary)/.9)}.luma-bar__button--ai{width:3.25rem;height:3.25rem;background:hsl(var(--primary));box-shadow:inset 0 1px #ffffff2e,var(--shadow-sm);transition:box-shadow var(--duration-fast) var(--ease-out)}.luma-bar__button--ai.is-open{box-shadow:inset 0 1px #ffffff2e,0 0 0 2px hsl(var(--card)),0 0 0 4px hsl(var(--primary)/.55)}.luma-bar__active-bg{position:absolute;top:0;right:0;bottom:0;left:0;border-radius:50%;background:hsl(var(--primary)/.1)}.luma-bar__icon{position:relative;z-index:1;display:flex;align-items:center;justify-content:center}.luma-bar__tooltip{position:absolute;bottom:calc(100% + .625rem);left:50%;transform:translate(-50%) translateY(4px);padding:var(--space-1) var(--space-2-5);font-size:var(--text-caption);font-weight:500;line-height:1.4;border-radius:var(--radius-xs);background:hsl(var(--foreground));color:hsl(var(--background));white-space:nowrap;opacity:0;pointer-events:none;transition:opacity var(--duration-base) var(--ease-out),transform var(--duration-base) var(--ease-out)}@media (hover: hover){.luma-bar__item:hover .luma-bar__tooltip{opacity:1;transform:translate(-50%) translateY(0)}}.luma-bar__tooltip--visible{opacity:1;transform:translate(-50%) translateY(0)}.app-dock{--dock-outer: 220 20% 7%;--dock-inner: 220 14% 13%;--dock-edge: 220 12% 17%;--dock-selected: 220 12% 20%;--dock-text: 220 10% 70%;--dock-text-strong: 220 14% 94%;--dock-rim: 6px;position:fixed;right:0;bottom:0;left:0;z-index:var(--z-sticky);display:flex;justify-content:center;height:var(--dock-height);pointer-events:none;filter:drop-shadow(0 -2px 12px hsla(220,30%,10%,.14))}.dark .app-dock{--dock-outer: 220 18% 4%;--dock-inner: 220 14% 15%;--dock-edge: 220 12% 21%;--dock-selected: 220 12% 24%}.app-dock__bar{position:absolute;right:0;bottom:0;left:0;height:var(--dock-rim);background:hsl(var(--dock-outer));pointer-events:auto}.app-dock__tab{position:relative;display:flex}.app-dock__layer{position:absolute;right:0;bottom:0;left:0}.app-dock__layer--outer{--flank-offset: -33px;top:0;color:hsl(var(--dock-outer))}.app-dock__layer--inner{--flank-offset: -19px;top:var(--dock-rim);color:hsl(var(--dock-inner))}.app-dock__layer--inner .app-dock__fill{border-top:1px solid hsl(var(--dock-edge))}.app-dock__fill{position:absolute;top:0;right:12px;bottom:0;left:12px;background:currentColor;pointer-events:auto}.app-dock__flank{position:absolute;top:0;fill:currentColor;pointer-events:auto}.app-dock__flank--start{left:var(--flank-offset)}.app-dock__flank--end{right:var(--flank-offset);transform:scaleX(-1)}.app-dock__edge{fill:none;stroke:hsl(var(--dock-edge));stroke-width:1}.app-dock__nav{position:relative;display:flex;align-items:center;gap:var(--space-1);height:calc(var(--dock-height) - var(--dock-rim) * 2);margin-top:var(--dock-rim);pointer-events:auto}.app-dock__item{--dock-tone: var(--dock-text-strong);position:relative;display:flex;align-items:center;justify-content:center;width:2.25rem;height:2.25rem;flex-shrink:0;border-radius:var(--radius-md);color:hsl(var(--dock-text));text-decoration:none;transition:background-color var(--duration-fast) var(--ease-out),color var(--duration-fast) var(--ease-out)}.app-dock__item:hover:not(.is-active){background:hsl(var(--dock-edge));color:hsl(var(--dock-text-strong))}.app-dock__item.is-active{color:hsl(var(--dock-tone))}.app-dock__item.is-active .app-dock__glyph--linear{display:none}.app-dock__item.is-active .app-dock__glyph--bold{display:block}.app-dock__item:focus-visible{outline:2px solid hsl(var(--ring));outline-offset:1px}.app-dock__item[data-group=home]{--dock-tone: 213 90% 66%}.app-dock__item[data-group=calendar]{--dock-tone: 4 85% 68%}.app-dock__item[data-group=chat]{--dock-tone: 188 75% 55%}.app-dock__item[data-group=tests]{--dock-tone: 32 95% 60%}.app-dock__item[data-group=students]{--dock-tone: 156 60% 52%}.app-dock__item[data-group=analytics]{--dock-tone: 262 85% 74%}.app-dock__item[data-group=learning]{--dock-tone: 340 85% 70%}.app-dock__item[data-group=join]{--dock-tone: var(--lime)}button.app-dock__item{padding:0;border:none;background:transparent;font:inherit;cursor:pointer}.app-dock__divider{flex-shrink:0;width:1px;height:1.25rem;margin:0 var(--space-1);background:hsl(var(--dock-text)/.2)}.app-dock__kbd{margin-left:var(--space-1);font-family:inherit;opacity:.6}.app-dock__item--highlight:not(.is-active){color:hsl(var(--lime))}.app-dock__selected{position:absolute;top:0;right:0;bottom:0;left:0;border-radius:inherit;background:hsl(var(--dock-selected))}.app-dock__glyph-wrap{position:relative;display:inline-flex}.app-dock__glyph{width:1.125rem;height:1.125rem}.app-dock__glyph--bold{display:none}.app-dock__dot{position:absolute;top:-2px;right:-3px;width:7px;height:7px;border-radius:50%;background:hsl(var(--destructive));box-shadow:0 0 0 2px hsl(var(--dock-inner))}.app-dock__center{display:flex;justify-content:center;overflow:hidden}.app-dock__center-item{display:flex;padding:var(--space-1)}.app-dock__action,.app-dock__ai{display:flex;align-items:center;justify-content:center;width:2.5rem;height:2.5rem;flex-shrink:0;padding:0;border:none;border-radius:50%;background:hsl(var(--primary));color:hsl(var(--primary-foreground));box-shadow:inset 0 1px #ffffff2e;cursor:pointer;transition:background-color var(--duration-fast) var(--ease-out),box-shadow var(--duration-fast) var(--ease-out),transform var(--duration-fast) var(--ease-out)}.app-dock__action:hover,.app-dock__ai:hover{background:hsl(var(--primary)/.88)}.app-dock__action:active,.app-dock__ai:active{transform:scale(.94)}.app-dock__action:focus-visible,.app-dock__ai:focus-visible{outline:2px solid hsl(var(--ring));outline-offset:2px}.app-dock__action[aria-current=page]{cursor:default}.app-dock__ai.is-open{box-shadow:inset 0 1px #ffffff2e,0 0 0 2px hsl(var(--dock-inner)),0 0 0 4px hsl(var(--primary)/.55)}.app-dock__action-glyph{width:1.25rem;height:1.25rem}@media (prefers-reduced-motion: reduce){.app-dock__item,.app-dock__ai,.app-dock__action{transition:none}}.student-layout{--student-page-height: calc(100dvh - 4rem - 1px) ;min-height:100vh}@media (min-width: 768px){.student-layout--docked{--student-page-height: calc(100dvh - 4rem - 1px - var(--dock-height));padding-bottom:var(--dock-height)}}@layer ui{.ui-sheet{position:fixed;z-index:var(--z-overlay);padding:var(--space-6);background-color:hsl(var(--background));box-shadow:var(--shadow-lg)}.ui-sheet[data-state=open]{animation-duration:var(--duration-slow);animation-timing-function:var(--ease-out)}.ui-sheet[data-state=closed]{animation-duration:var(--duration-base);animation-timing-function:var(--ease-in-out);animation-fill-mode:forwards}.ui-sheet--top{inset:0 0 auto;border-bottom:1px solid hsl(var(--border))}.ui-sheet--top[data-state=open]{animation-name:ui-sheet-in-top}.ui-sheet--top[data-state=closed]{animation-name:ui-sheet-out-top}.ui-sheet--bottom{inset:auto 0 0;border-top:1px solid hsl(var(--border))}.ui-sheet--bottom[data-state=open]{animation-name:ui-sheet-in-bottom}.ui-sheet--bottom[data-state=closed]{animation-name:ui-sheet-out-bottom}.ui-sheet--left,.ui-sheet--right{top:0;bottom:0;width:75%;height:100%}@media (min-width: 640px){.ui-sheet--left,.ui-sheet--right{max-width:24rem}}.ui-sheet--left{left:0;border-right:1px solid hsl(var(--border))}.ui-sheet--left[data-state=open]{animation-name:ui-sheet-in-left}.ui-sheet--left[data-state=closed]{animation-name:ui-sheet-out-left}.ui-sheet--right{right:0;border-left:1px solid hsl(var(--border))}.ui-sheet--right[data-state=open]{animation-name:ui-sheet-in-right}.ui-sheet--right[data-state=closed]{animation-name:ui-sheet-out-right}@keyframes ui-sheet-in-top{0%{transform:translateY(-100%)}}@keyframes ui-sheet-out-top{to{transform:translateY(-100%)}}@keyframes ui-sheet-in-bottom{0%{transform:translateY(100%)}}@keyframes ui-sheet-out-bottom{to{transform:translateY(100%)}}@keyframes ui-sheet-in-left{0%{transform:translate(-100%)}}@keyframes ui-sheet-out-left{to{transform:translate(-100%)}}@keyframes ui-sheet-in-right{0%{transform:translate(100%)}}@keyframes ui-sheet-out-right{to{transform:translate(100%)}}@media (prefers-reduced-motion: reduce){.ui-sheet[data-state=open]{animation-name:ui-fade-in}.ui-sheet[data-state=closed]{animation-name:ui-fade-out}}}.font-size-picker{display:inline-flex;align-items:center;flex-shrink:0;gap:2px;padding:2px;border-radius:var(--radius-sm);background:hsl(var(--muted))}.font-size-picker__option{display:flex;align-items:flex-end;justify-content:center;width:2.25rem;height:var(--control-sm);padding:0 0 .375rem;border:none;border-radius:calc(var(--radius-sm) - 2px);background:transparent;color:hsl(var(--muted-foreground));cursor:pointer;transition:background-color var(--duration-fast) var(--ease-out),color var(--duration-fast) var(--ease-out),box-shadow var(--duration-fast) var(--ease-out)}.font-size-picker--sm .font-size-picker__option{width:1.75rem;height:1.625rem;padding-bottom:.3125rem}.font-size-picker__option:hover{color:hsl(var(--foreground))}.font-size-picker__option:focus-visible{outline:none;box-shadow:var(--focus-ring)}.font-size-picker__option--active,.font-size-picker__option--active:hover{background:hsl(var(--card));color:hsl(var(--foreground));box-shadow:0 1px 2px hsl(var(--foreground)/.12)}.font-size-picker__glyph{font-weight:600;line-height:1}.font-size-picker__glyph--0{font-size:.6875rem}.font-size-picker__glyph--1{font-size:.875rem}.font-size-picker__glyph--2{font-size:1.0625rem}@media (prefers-reduced-motion: reduce){.font-size-picker__option{transition:none}}.tier-badge{text-transform:uppercase;letter-spacing:.03em;font-size:var(--text-caption)}.tier-badge--pro{background:hsl(var(--primary));color:hsl(var(--primary-foreground))}@layer ui{.ui-skeleton{border-radius:var(--radius-md);background-color:hsl(var(--muted));animation:ui-skeleton-pulse 1.8s var(--ease-in-out) infinite}@media (prefers-reduced-motion: reduce){.ui-skeleton{animation:none}}}.notification-bell{position:relative}.notification-bell__trigger{position:relative;display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;border:none;background:none;cursor:pointer;color:hsl(var(--muted-foreground));transition:background var(--duration-fast) var(--ease-out),color var(--duration-fast) var(--ease-out)}.notification-bell__trigger:hover{background:hsl(var(--accent));color:hsl(var(--foreground))}.notification-bell__icon{width:18px;height:18px}.notification-bell__badge{position:absolute;top:2px;right:2px;min-width:16px;height:16px;padding:0 var(--space-1);border-radius:var(--radius-sm);background:hsl(var(--destructive));color:hsl(var(--destructive-foreground));font-size:var(--text-micro);font-weight:700;display:flex;align-items:center;justify-content:center;line-height:1}.notification-bell__popup{position:absolute;top:calc(100% + 8px);right:0;width:340px;max-height:480px;background:hsl(var(--card));border:1px solid hsl(var(--border));border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);z-index:var(--z-panel);display:flex;flex-direction:column;overflow:hidden}@media (max-width: 400px){.notification-bell__popup{right:-60px;width:calc(100vw - 16px)}}.notification-bell__header{display:flex;align-items:center;justify-content:space-between;padding:var(--space-3) var(--space-4);border-bottom:1px solid hsl(var(--border));flex-shrink:0}.notification-bell__title{font-size:var(--text-body);font-weight:600;color:hsl(var(--foreground))}.notification-bell__header-actions{display:flex;align-items:center;gap:var(--space-0-5)}.notification-bell__sound-toggle svg{width:var(--icon-sm);height:var(--icon-sm)}.notification-bell__sound-toggle{display:flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:var(--radius-xs);border:none;background:none;cursor:pointer;color:hsl(var(--muted-foreground));transition:background var(--duration-fast) var(--ease-out),color var(--duration-fast) var(--ease-out)}.notification-bell__sound-toggle:hover{background:hsl(var(--accent));color:hsl(var(--foreground))}.notification-bell__mark-all svg{width:var(--icon-sm);height:var(--icon-sm)}.notification-bell__mark-all{display:flex;align-items:center;gap:var(--space-1);padding:var(--space-1) var(--space-2);border-radius:var(--radius-xs);border:none;background:none;cursor:pointer;font-size:var(--text-caption);color:hsl(var(--muted-foreground));transition:background var(--duration-fast) var(--ease-out),color var(--duration-fast) var(--ease-out)}.notification-bell__mark-all:hover{background:hsl(var(--accent));color:hsl(var(--foreground))}.notification-bell__list{flex:1 1 auto;min-height:0;max-height:calc(480px - 3.5rem);overflow-y:auto;overscroll-behavior:contain;padding:var(--space-1) 0}.notification-bell__skeletons{display:flex;flex-direction:column}.notification-bell__skeleton{padding:var(--space-3) var(--space-4)}.notification-bell__skeleton-copy{display:flex;flex-direction:column;gap:var(--space-2);min-width:0}.notification-bell__skeleton-title{height:.875rem}.notification-bell__skeleton-line{width:100%;height:.75rem}.notification-bell__skeleton-line--short{width:72%}.notification-bell__skeleton-time{width:28%;height:.625rem;margin-top:var(--space-0-5)}.notification-bell__empty{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--space-2);padding:var(--space-10) var(--space-4);color:hsl(var(--muted-foreground))}.notification-bell__empty p{font-size:var(--text-body)}.notification-bell__empty-icon{width:32px;height:32px;opacity:.4}.notification-bell__item{display:flex;align-items:flex-start;gap:0;padding:var(--space-1) var(--space-2);transition:background var(--duration-fast) var(--var(--ease-out))}.notification-bell__item:hover{background:hsl(var(--accent)/.5)}.notification-bell__item:hover .notification-bell__delete{opacity:1}.notification-bell__item--unread{background:hsl(var(--primary)/.04)}.notification-bell__item--unread:hover{background:hsl(var(--primary)/.08)}.notification-bell__item--unread .notification-bell__item-title{font-weight:600}.notification-bell__item-body{flex:1;min-width:0;display:flex;align-items:flex-start;gap:var(--space-2);padding:var(--space-2) var(--space-1);cursor:pointer;border-radius:var(--radius-xs)}.notification-bell__dot{flex-shrink:0;width:7px;height:7px;border-radius:50%;background:hsl(var(--primary));margin-top:var(--space-1-5)}.notification-bell__item-content{flex:1;min-width:0}.notification-bell__item-title{font-size:var(--text-small);color:hsl(var(--foreground));margin-bottom:var(--space-0-5);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.notification-bell__item-message{font-size:var(--text-caption);color:hsl(var(--muted-foreground));line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.notification-bell__item-time{font-size:var(--text-caption);color:hsl(var(--muted-foreground));margin-top:var(--space-1);opacity:.7}.notification-bell__item-actions{display:flex;gap:var(--space-1-5);margin-top:var(--space-2);flex-wrap:wrap}.notification-bell__action svg{width:.75rem;height:.75rem}.notification-bell__action{display:flex;align-items:center;gap:var(--space-1);padding:var(--space-1) var(--space-2-5);border-radius:var(--radius-xs);border:1px solid hsl(var(--border));background:hsl(var(--background));cursor:pointer;font-size:var(--text-caption);font-weight:500;color:hsl(var(--foreground));transition:background var(--duration-fast) var(--ease-out),border-color var(--duration-fast) var(--ease-out)}.notification-bell__action:disabled{opacity:.5;cursor:not-allowed}.notification-bell__action--accept:hover:not(:disabled){background:hsl(var(--primary)/.1);border-color:hsl(var(--primary)/.4);color:hsl(var(--primary))}.notification-bell__action--reject:hover:not(:disabled){background:hsl(var(--destructive)/.1);border-color:hsl(var(--destructive)/.4);color:hsl(var(--destructive))}.notification-bell__delete svg{width:var(--icon-xs);height:var(--icon-xs)}.notification-bell__delete{flex-shrink:0;display:flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:var(--radius-xs);border:none;background:none;cursor:pointer;color:hsl(var(--muted-foreground));opacity:0;margin-top:var(--space-1-5);transition:opacity var(--duration-fast) var(--ease-out),background var(--duration-fast) var(--ease-out),color var(--duration-fast) var(--ease-out)}.notification-bell__delete:hover{background:hsl(var(--destructive)/.1);color:hsl(var(--destructive))}@layer ui{.ui-avatar{position:relative;display:flex;flex-shrink:0;width:2.5rem;height:2.5rem;overflow:hidden;border-radius:var(--radius-full)}.ui-avatar__image{width:100%;height:100%;aspect-ratio:1;-o-object-fit:cover;object-fit:cover}.ui-avatar__fallback{display:flex;align-items:center;justify-content:center;width:100%;height:100%;border-radius:var(--radius-full);background-color:hsl(var(--muted));font-size:var(--text-small);font-weight:500}}.chat-avatar-wrap{position:relative;display:inline-flex;flex-shrink:0;border-radius:var(--radius-full)}.chat-avatar-fallback{background:hsl(var(--accent))!important;color:hsl(var(--accent-foreground));font-weight:600}.chat-avatar-group-icon{width:50%;height:50%}.chat-avatar--xs{width:1.75rem;height:1.75rem;font-size:var(--text-caption)}.chat-avatar--sm{width:2.25rem;height:2.25rem;font-size:var(--text-caption)}.chat-avatar--md{width:2.75rem;height:2.75rem;font-size:var(--text-body)}.chat-avatar--lg{width:3rem;height:3rem;font-size:var(--text-lead)}.chat-avatar--xl{width:4.5rem;height:4.5rem;font-size:1.375rem}.chat-avatar-online{position:absolute;right:0;bottom:0;width:.625rem;height:.625rem;border-radius:50%;background:hsl(var(--success));box-shadow:0 0 0 2px hsl(var(--card))}.chat-avatar-wrap--xs .chat-avatar-online{width:.5rem;height:.5rem}.chat-avatar-wrap--xl .chat-avatar-online{right:.25rem;bottom:.25rem;width:.875rem;height:.875rem;box-shadow:0 0 0 3px hsl(var(--card))}.chat-voice{display:flex;align-items:center;gap:var(--space-2-5);width:min(100%,20rem);padding:var(--space-2) var(--space-3) var(--space-2) var(--space-2);border-radius:var(--radius-md);background:hsl(var(--primary)/.08);color:hsl(var(--primary))}.chat-voice--compact{width:100%;padding:var(--space-1-5) var(--space-2-5) var(--space-1-5) var(--space-1-5)}.chat-voice-toggle{display:flex;align-items:center;justify-content:center;width:2rem;height:2rem;flex-shrink:0;border:none;border-radius:50%;background:hsl(var(--primary));color:hsl(var(--primary-foreground));cursor:pointer;transition:transform var(--duration-fast) var(--ease-out)}.chat-voice-toggle:hover{transform:scale(1.05)}.chat-voice-toggle:focus-visible{outline:none;box-shadow:var(--focus-ring)}.chat-voice-toggle svg{pointer-events:none}.chat-voice-bars{display:flex;align-items:center;gap:2px;flex:1;min-width:0;height:1.75rem;padding:0;border:none;background:transparent;cursor:pointer}.chat-voice-bars:focus-visible{outline:none;border-radius:var(--radius-xs);box-shadow:var(--focus-ring)}.chat-voice-bar{flex:1;min-width:2px;max-width:3px;border-radius:var(--radius-full);background:hsl(var(--primary)/.3);pointer-events:none;transition:background var(--duration-fast) var(--ease-out)}.chat-voice-bar--played{background:hsl(var(--primary))}.chat-voice-time{flex-shrink:0;min-width:2.25rem;text-align:right;font-size:var(--text-caption);font-weight:500;font-variant-numeric:tabular-nums}[data-sileo-toast] .chat-toast-avatar{width:1.25rem;height:1.25rem}[data-sileo-toast] .chat-toast-avatar .chat-avatar{width:1.25rem;height:1.25rem;font-size:.5625rem}.chat-toast-media{display:flex;flex-direction:column;gap:var(--space-2);width:min(18rem,100vw - 4rem);padding-top:var(--space-1);text-transform:none}.chat-toast-media .chat-voice{width:100%}.chat-toast-image{position:relative;display:block;width:100%;max-height:11rem;padding:0;overflow:hidden;border:none;border-radius:var(--radius-sm);background:hsl(var(--muted));cursor:zoom-in}.chat-toast-image img{display:block;width:100%;height:100%;max-height:11rem;-o-object-fit:cover;object-fit:cover}.chat-toast-image:focus-visible{outline:none;box-shadow:var(--focus-ring)}.chat-toast-image-more{position:absolute;right:var(--space-2);bottom:var(--space-2);padding:0 var(--space-2);border-radius:var(--radius-full);background:#0009;color:#fff;font-size:var(--text-caption);font-weight:600;font-variant-numeric:tabular-nums}.chat-toast-caption{display:-webkit-box;margin:0;overflow:hidden;font-size:var(--text-small);line-height:1.45;-webkit-box-orient:vertical;-webkit-line-clamp:3}.chat-lightbox-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:calc(var(--z-toast) + 1);background:#0c0e12eb;animation:chat-lightbox-fade var(--duration-base) var(--ease-out)}.chat-lightbox{position:fixed;top:0;right:0;bottom:0;left:0;z-index:calc(var(--z-toast) + 2);display:flex;flex-direction:column;color:#fff;outline:none;animation:chat-lightbox-fade var(--duration-base) var(--ease-out)}.chat-lightbox-bar{display:flex;align-items:center;gap:var(--space-2);padding:var(--space-3) var(--space-4);padding-top:max(var(--space-3),env(safe-area-inset-top))}.chat-lightbox-title{flex:1;min-width:0;overflow:hidden;font-size:var(--text-small);font-weight:600;text-overflow:ellipsis;white-space:nowrap}.chat-lightbox-count{margin-right:var(--space-2);color:#ffffffa6;font-size:var(--text-caption);font-variant-numeric:tabular-nums}.chat-lightbox-icon{display:inline-flex;align-items:center;justify-content:center;width:2.25rem;height:2.25rem;border:none;border-radius:var(--radius-sm);background:transparent;color:inherit;cursor:pointer;transition:background var(--duration-fast) var(--ease-out)}.chat-lightbox-icon:hover{background:#ffffff1f}.chat-lightbox-icon:focus-visible{outline:none;box-shadow:0 0 0 2px hsl(var(--ring))}.chat-lightbox-icon svg{width:1.125rem;height:1.125rem}.chat-lightbox-stage{position:relative;display:flex;flex:1;align-items:center;justify-content:center;min-height:0;padding:0 4.5rem var(--space-6)}@media (max-width: 640px){.chat-lightbox-stage{padding:0 0 var(--space-4)}}.chat-lightbox-image{max-width:100%;max-height:100%;border-radius:var(--radius-sm);-o-object-fit:contain;object-fit:contain;-webkit-user-select:none;-moz-user-select:none;user-select:none}.chat-lightbox-nav{position:absolute;top:50%;display:flex;align-items:center;justify-content:center;width:2.75rem;height:2.75rem;border:none;border-radius:50%;background:#ffffff1f;color:#fff;cursor:pointer;transform:translateY(-50%);transition:background var(--duration-fast) var(--ease-out),opacity var(--duration-fast) var(--ease-out)}.chat-lightbox-nav:hover:not(:disabled){background:#ffffff38}.chat-lightbox-nav:disabled{opacity:0;pointer-events:none}.chat-lightbox-nav:focus-visible{outline:none;box-shadow:0 0 0 2px hsl(var(--ring))}.chat-lightbox-nav svg{width:1.25rem;height:1.25rem}.chat-lightbox-nav--prev{left:var(--space-4)}.chat-lightbox-nav--next{right:var(--space-4)}@media (max-width: 640px){.chat-lightbox-nav{background:#00000073}.chat-lightbox-nav--prev{left:var(--space-2)}.chat-lightbox-nav--next{right:var(--space-2)}}@keyframes chat-lightbox-fade{0%{opacity:0}}@media (prefers-reduced-motion: reduce){.chat-lightbox-overlay,.chat-lightbox{animation:none}}.sidebar-nav-link{border:none;background:transparent;font-family:inherit;cursor:pointer}.sidebar-nav-link--danger:hover{background:hsl(var(--destructive)/.08);color:hsl(var(--destructive-text))}.sidebar-nav{display:flex;flex:1 1 auto;flex-direction:column;min-height:0;padding:var(--space-3)}.sidebar-nav-sections{display:flex;flex:1 1 auto;flex-direction:column;gap:var(--space-4);min-height:0;overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin;margin:0 calc(var(--space-3) * -1);padding:0 var(--space-3)}.sidebar-nav-section{display:flex;flex-direction:column;gap:var(--space-0-5)}.sidebar-nav-section-title{padding:0 var(--space-3) var(--space-1);font-size:var(--text-caption);font-weight:500;color:hsl(var(--muted-foreground))}.sidebar-nav-link{display:flex;align-items:center;gap:var(--space-3);width:100%;min-height:2.5rem;border-radius:var(--radius-sm);padding:var(--space-2) var(--space-3);font-size:var(--text-body);font-weight:500;color:hsl(var(--muted-foreground));white-space:nowrap;text-decoration:none;transition:background-color var(--duration-fast) var(--ease-out),color var(--duration-fast) var(--ease-out)}.sidebar-nav-link:hover{background:hsl(var(--muted));color:hsl(var(--foreground))}.sidebar-nav-link:focus-visible{outline:2px solid hsl(var(--ring));outline-offset:-2px}.sidebar-nav-link.is-active{background:hsl(var(--accent));color:hsl(var(--accent-foreground))}.sidebar-nav-link--highlight:not(.is-active){background:hsl(var(--lime)/.22);color:hsl(var(--foreground))}.sidebar-nav-link--highlight:not(.is-active) .sidebar-nav-icon{color:hsl(var(--lime-dark))}.sidebar-nav-link--highlight:not(.is-active):hover{background:hsl(var(--lime)/.38)}.sidebar-nav-icon-wrap{position:relative;display:inline-flex;flex-shrink:0}.sidebar-nav-icon{width:1.25rem;height:1.25rem;flex-shrink:0}.sidebar-nav-dot{position:absolute;top:-2px;right:-3px;width:8px;height:8px;border-radius:50%;background:hsl(var(--destructive));box-shadow:0 0 0 2px hsl(var(--card))}.sidebar-nav-label{flex:1;text-align:left;overflow:hidden;text-overflow:ellipsis}.sidebar-nav-badge{display:inline-flex;align-items:center;justify-content:center;min-width:18px;height:18px;padding:0 var(--space-1);border-radius:var(--radius-md);background:hsl(var(--destructive));color:hsl(var(--destructive-foreground));font-size:var(--text-caption);font-weight:600;line-height:1;flex-shrink:0}.sidebar-nav-tag{flex-shrink:0;padding:var(--space-0-5) var(--space-1-5);border-radius:var(--radius-2xs);border:1px solid hsl(var(--border));font-size:var(--text-micro);font-weight:600;line-height:1;color:hsl(var(--muted-foreground))}.sidebar-nav-footer{display:flex;flex-direction:column;gap:var(--space-0-5);margin:var(--space-3) calc(var(--space-3) * -1) 0;padding:var(--space-3) var(--space-3) 0;border-top:1px solid hsl(var(--border))}@media (prefers-reduced-motion: reduce){.sidebar-nav-link{transition:none}}.app-shell-tabs{display:flex;flex:1 1 auto;align-self:stretch;align-items:center;min-width:0}.app-shell-tabs__title{font-size:var(--text-body);font-weight:600;color:hsl(var(--foreground))}.app-shell-tabs__list{display:flex;align-self:stretch;gap:var(--space-1);min-width:0;margin-left:calc(var(--space-3) * -1);padding:0 var(--space-1);overflow-x:auto;overflow-y:hidden;scrollbar-width:none}.app-shell-tabs__list::-webkit-scrollbar{display:none}.app-shell-tabs__tab{position:relative;display:inline-flex;align-items:center;gap:var(--space-1-5);flex-shrink:0;padding:0 var(--space-3);font-size:var(--text-body);font-weight:500;color:hsl(var(--muted-foreground));white-space:nowrap;text-decoration:none;transition:color var(--duration-fast) var(--ease-out)}.app-shell-tabs__tab:hover{color:hsl(var(--foreground))}.app-shell-tabs__tab:focus-visible{outline:2px solid hsl(var(--ring));outline-offset:-.875rem;border-radius:var(--radius-sm)}.app-shell-tabs__tab.is-active{color:hsl(var(--foreground));font-weight:600}.app-shell-tabs__indicator{position:absolute;right:var(--space-3);bottom:0;left:var(--space-3);height:2px;border-radius:2px 2px 0 0;background:hsl(var(--primary))}.app-shell-tabs__badge{display:inline-flex;align-items:center;justify-content:center;min-width:18px;height:18px;padding:0 var(--space-1);border-radius:var(--radius-md);background:hsl(var(--destructive));color:hsl(var(--destructive-foreground));font-size:var(--text-caption);font-weight:600;line-height:1}.app-shell-tabs__tag{padding:var(--space-0-5) var(--space-1-5);border-radius:var(--radius-2xs);border:1px solid hsl(var(--border));font-size:var(--text-micro);font-weight:600;line-height:1;color:hsl(var(--muted-foreground))}@media (prefers-reduced-motion: reduce){.app-shell-tabs__tab{transition:none}}.app-shell{--shell-max: 90rem;--shell-gutter: var(--space-8);--shell-inset: max(var(--shell-gutter), calc((100% - var(--shell-max)) / 2 + var(--shell-gutter)));min-height:100vh;overflow-x:clip;background:hsl(var(--background))}.app-shell__header{position:fixed;top:0;right:0;left:0;z-index:var(--z-sticky);display:flex;align-items:center;justify-content:space-between;gap:var(--space-4);height:4rem;padding:0 var(--shell-inset);border-bottom:1px solid hsl(var(--border));background:hsl(var(--card))}.app-shell--full .app-shell__header{padding:0 var(--space-4)}@media (max-width: 767px){.app-shell__header{padding:0 var(--space-4)}}.app-shell__header-start,.app-shell__header-end{display:flex;align-items:center}.app-shell__header-start{flex:1 1 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