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var(--grid-line);width:26px;height:26px;font-family:var(--font-display);color:var(--ink-faint);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:12px;font-weight:700;display:flex}.quiz-option-text{flex:1}.quiz-option-selected{border-color:var(--sky);background:var(--sky-bg)}.quiz-option-selected .quiz-option-marker{border-color:var(--sky);background:var(--sky);color:var(--paper)}.quiz-option-correct{border-color:var(--teal);background:var(--teal-bg);color:var(--teal-ink)}.quiz-option-correct .quiz-option-marker{border-color:var(--teal);background:var(--teal);color:var(--paper)}.quiz-option-wrong{border-color:var(--rail);background:var(--pink-bg);color:var(--pink-ink)}.quiz-option-wrong .quiz-option-marker{border-color:var(--rail);background:var(--rail);color:var(--paper)}.quiz-check{margin-top:14px}.quiz-explanation{border-radius:8px;margin-top:14px;padding:10px 14px;font-size:14px}.quiz-explanation-correct{background:var(--teal-bg);color:var(--teal-ink)}.quiz-explanation-wrong{background:var(--pink-bg);color:var(--pink-ink)}.me-stats{flex-wrap:wrap;gap:28px;margin:20px 0 6px;display:flex}.me-stat{flex-direction:column;display:flex}.me-stat b{font-family:var(--font-display);font-size:26px}.me-stat span{color:var(--ink-faint);font-size:13px}.me-heading{margin:36px 0 14px;font-size:18px}.muted-note{color:var(--ink-faint);font-size:13px}.leaderboard{flex-direction:column;gap:2px;max-width:480px;margin:0;padding:0;list-style:none;display:flex}.leaderboard li{border-radius:8px;grid-template-columns:28px 1fr auto;gap:12px;padding:8px 12px;font-size:14px;display:grid}.leaderboard li:nth-child(odd){background:var(--paper-raised)}.leader-you{color:var(--teal-ink);font-weight:600;background:var(--teal-bg)!important}.me-submissions{flex-direction:column;gap:18px;display:flex}.me-submission-title{font:inherit;color:var(--ink);text-align:left;cursor:pointer;background:0 0;border:none;padding:0;font-weight:600;text-decoration:underline}.class-panel{border:1px dashed var(--grid-line);border-radius:var(--radius-card);color:var(--ink-soft);flex-direction:column;gap:10px;margin:20px 0;padding:14px 18px;font-size:14px;display:flex}.class-panel-joined{background:var(--sky-bg);color:var(--sky-ink);border-style:solid;flex-flow:wrap;justify-content:space-between;align-items:center}.class-join-row{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.class-code-input{letter-spacing:3px;text-transform:uppercase;border:1px solid var(--grid-line);background:var(--paper-raised);width:140px;color:var(--ink);border-radius:8px;padding:8px 12px;font-family:ui-monospace,monospace}.class-name{font-family:var(--font-display)}.class-live,.class-idle{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.class-jump{margin-left:8px}.class-error{color:var(--pink-ink);margin:0;font-size:13.5px}.lesson-class-bar{background:var(--sky-bg);color:var(--sky-ink);border-radius:var(--radius-card);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px;padding:10px 16px;font-size:14px;display:flex}.exit-ticket{color:var(--ink-soft);flex-direction:column;gap:8px;font-size:14px;display:flex}.exit-ticket textarea,.submission-form textarea,.submission-form input{background:var(--paper-raised);border:1px solid var(--grid-line);width:100%;font:inherit;color:var(--ink);resize:vertical;border-radius:10px;padding:12px 14px;font-size:14px}.quiz-score{border-radius:var(--radius-card);font-family:var(--font-display);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;padding:14px 18px;display:flex}.quiz-score-passed{background:var(--teal-bg);color:var(--teal-ink)}.quiz-score-failed{background:var(--amber-bg);color:var(--amber-ink)}.quiz-score-prompt{font-family:var(--font-display);font-weight:700}.quiz-previous{color:var(--ink-faint);font-size:13px}.lesson-objectives{background:var(--sky-bg);color:var(--sky-ink);border-radius:var(--radius-card);margin:24px 0 8px;padding:16px 20px}.lesson-objectives ul{flex-direction:column;gap:6px;margin:10px 0 0;padding-left:20px;font-size:14.5px;display:flex}.lesson-vocab{border:1px solid var(--grid-line);border-radius:var(--radius-card);margin-top:28px;padding:16px 20px}.lesson-vocab dl{flex-direction:column;gap:10px;margin:10px 0 0;display:flex}.vocab-item dt{font-size:14.5px;font-weight:600}.vocab-item dd{color:var(--ink-soft);margin:2px 0 0;font-size:14px}.activity-block{background:var(--paper-raised);border:1px solid var(--grid-line);border-radius:var(--radius-card);margin-top:32px;padding:20px}.activity-prompt{color:var(--ink-soft);margin:8px 0 16px;font-size:14.5px}.submission-form{flex-direction:column;align-items:flex-start;gap:10px;display:flex}.submission-card{border-left:3px solid var(--grid-line);flex-direction:column;align-items:flex-start;gap:10px;padding-left:14px;display:flex}.submission-submitted{border-left-color:var(--sky)}.submission-needs_work{border-left-color:var(--amber)}.submission-approved{border-left-color:var(--teal)}.submission-status{font-family:var(--font-display);color:var(--ink-faint);font-size:13px}.submission-body{white-space:pre-wrap;font-size:14.5px}.submission-feedback{background:var(--amber-bg);color:var(--amber-ink);border-radius:10px;margin:0;padding:10px 14px;font-size:14px}.lesson-blocked{color:var(--pink-ink);margin-top:10px;font-size:14px}.celebration{background:var(--amber-bg);color:var(--amber-ink);border-radius:var(--radius-card);font-family:var(--font-display);margin-top:28px;padding:18px 20px}.celebration-badge{margin-top:6px}.lesson-actions{border-top:1px solid var(--grid-line);flex-direction:column;align-items:stretch;gap:12px;margin-top:28px;padding-top:24px;display:flex}.lesson-prev{align-self:flex-start}.lesson-complete-btn{width:100%;padding:15px 20px;font-size:16px}.lesson-complete-btn:disabled{opacity:.7;cursor:default}.lesson-done-note{font-family:var(--font-display);color:var(--teal);text-align:center;padding:15px 20px;font-size:14px}.comments-section{border-top:1px solid var(--grid-line);margin-top:48px;padding-top:32px}.comments-section h3{font-family:var(--font-display);font-size:17px}.comment-form{flex-direction:column;gap:10px;margin-top:18px;display:flex}.comment-form textarea,.comment-reply-form textarea{font-family:var(--font-body);border:1px solid var(--grid-line);background:var(--paper-raised);color:var(--ink);resize:vertical;border-radius:8px;padding:10px 12px;font-size:14.5px}.comment-form button,.comment-reply-form button{align-self:flex-start}.comment-list{flex-direction:column;gap:20px;margin-top:28px;display:flex}.comment{padding-bottom:4px}.comment-head{align-items:center;gap:10px;display:flex}.comment-avatar{background:var(--sky-bg);width:26px;height:26px;color:var(--sky-ink);font-size:12px;font-weight:700;font-family:var(--font-display);border-radius:50%;justify-content:center;align-items:center;display:flex}.comment-author{font-size:14px;font-weight:600}.comment-time{color:var(--ink-faint);font-size:12.5px}.comment-body{margin-top:8px;font-size:14.5px;line-height:1.6}.comment-reply-link{cursor:pointer;color:var(--teal);background:0 0;border:none;margin-top:6px;padding:0;font-size:12.5px}.comment-reply-form{flex-direction:column;gap:8px;margin-top:10px;display:flex}.comment-replies{border-left:2px solid var(--grid-line);flex-direction:column;gap:14px;margin-top:14px;padding-left:20px;display:flex}.chat-widget{z-index:60;flex-direction:column;align-items:flex-end;gap:12px;display:flex;position:fixed;bottom:24px;right:24px}.chat-bubble{background:var(--ink);width:56px;height:56px;color:var(--paper);cursor:pointer;box-shadow:var(--shadow);border:none;border-radius:50%;justify-content:center;align-items:center;font-size:22px;line-height:1;display:flex}.chat-panel{background:var(--paper-raised);border:1px solid var(--grid-line);border-radius:var(--radius-card);width:min(360px,100vw - 48px);max-height:480px;box-shadow:var(--shadow);flex-direction:column;display:flex;overflow:hidden}.chat-panel-head{background:var(--ink);color:var(--paper);font-family:var(--font-display);justify-content:space-between;align-items:center;padding:14px 16px;font-size:13.5px;display:flex}.chat-close{color:inherit;cursor:pointer;background:0 0;border:none;padding:0;font-size:14px}.chat-messages{flex-direction:column;flex:1;gap:10px;padding:16px;font-size:14px;display:flex;overflow-y:auto}.chat-empty{color:var(--ink-soft);font-size:13.5px;line-height:1.5}.chat-message{white-space:pre-wrap;border-radius:10px;max-width:88%;padding:9px 12px;line-height:1.5}.chat-message-user{background:var(--teal-bg);color:var(--teal-ink);align-self:flex-end}.chat-message-assistant{background:var(--paper);border:1px solid var(--grid-line);align-self:flex-start}.chat-typing{font-family:var(--font-display);color:var(--ink-faint)}.chat-error{color:var(--rail);font-size:13px}.chat-input-row{border-top:1px solid var(--grid-line);gap:8px;padding:12px;display:flex}.chat-input-row input{border:1px solid var(--grid-line);background:var(--paper);color:var(--ink);border-radius:8px;flex:1;padding:9px 12px;font-size:14px}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-leading{syntax:"*";inherits:false}@property --tw-font-weight{syntax:"*";inherits:false}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}@property --tw-duration{syntax:"*";inherits:false}@property --tw-ease{syntax:"*";inherits:false}