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button:hover:not(:disabled){color:#fff;background:#435048}.tutor-popover-module__iiLYfq__header button:disabled{opacity:.4;cursor:default}.tutor-popover-module__iiLYfq__content{grid-template-rows:auto minmax(0,1fr) auto;min-width:0;min-height:0;display:grid}.tutor-popover-module__iiLYfq__content .tutor-panel__tools{border-bottom:1px solid var(--ai-line);background:#fff;max-height:25dvh;overflow:auto}.tutor-popover-module__iiLYfq__content .tutor-panel__tools summary{min-height:44px;color:var(--ai-muted);cursor:pointer;padding:10px 20px;font-size:13px}.tutor-popover-module__iiLYfq__content .tutor-panel__node{padding:8px 20px 12px;font-size:13px;font-weight:500}.tutor-popover-module__iiLYfq__content .tutor-panel__node select{border:1px solid var(--ai-line);color:var(--ai-ink);font:inherit;background:#fff;border-radius:6px}.tutor-popover-module__iiLYfq__content .tutor-panel__messages{overscroll-behavior:contain;background:var(--ai-surface);border:0;min-width:0;min-height:0;padding:20px;overflow-y:auto}.tutor-popover-module__iiLYfq__content .tutor-panel__thread{overflow-wrap:anywhere;width:100%;min-width:0}.tutor-popover-module__iiLYfq__content .tutor-panel__empty{background:0 0;border:0;padding:28px 4px 12px}.tutor-popover-module__iiLYfq__content .tutor-panel__empty>svg{box-sizing:content-box;width:26px;height:26px;color:var(--ai-accent-dark);background:#f6e9df;border:1px solid #edd7c8;border-radius:14px;margin-bottom:16px;padding:10px;display:block}.tutor-popover-module__iiLYfq__content .tutor-panel__empty strong{font-size:18px;font-weight:600}.tutor-popover-module__iiLYfq__content .tutor-panel__empty p{color:var(--ai-muted);margin:8px 0 20px;font-size:14px}.tutor-popover-module__iiLYfq__content .tutor-panel__prompts{flex-wrap:wrap;gap:8px;padding:0;display:flex;overflow:visible}.tutor-popover-module__iiLYfq__content .tutor-panel__prompts button{border:1px solid var(--ai-line);max-width:100%;min-height:40px;color:var(--ai-ink);font:inherit;text-align:left;white-space:normal;overflow-wrap:anywhere;cursor:pointer;background:#fff;border-radius:8px;padding:8px 12px;font-size:13px}:is(.tutor-popover-module__iiLYfq__content .tutor-panel__prompts button:hover,.tutor-popover-module__iiLYfq__content .tutor-panel__prompts button[aria-pressed=true]){color:var(--ai-ink);background:#f0f4ef;border-color:#b6c2b8}.tutor-popover-module__iiLYfq__content .tutor-message{background:0 0;border:0;margin:0 0 22px;padding:0;font-size:14px;line-height:1.85}.tutor-popover-module__iiLYfq__content .tutor-message--user{background:var(--ai-bubble);border-radius:12px 12px 3px;margin-left:36px;padding:11px 14px}.tutor-popover-module__iiLYfq__content .tutor-message__role{display:none}.tutor-popover-module__iiLYfq__content .tutor-message--assistant strong{color:var(--ai-ink)}:is(.tutor-popover-module__iiLYfq__content .tutor-message--assistant h2,.tutor-popover-module__iiLYfq__content .tutor-message--assistant h3){margin:18px 0 8px;font-size:16px}.tutor-popover-module__iiLYfq__content .tutor-message--assistant p{margin:0 0 12px}:is(.tutor-popover-module__iiLYfq__content .tutor-message pre,.tutor-popover-module__iiLYfq__content .tutor-message .katex-display,.tutor-popover-module__iiLYfq__content .tutor-message .rich-math__table-scroll){max-width:100%;overflow-x:auto}.tutor-popover-module__iiLYfq__content .tutor-message pre{border:1px solid var(--ai-line);white-space:pre;background:#f0f0eb;border-radius:8px;padding:12px;font-size:.9em}.tutor-popover-module__iiLYfq__content .tutor-panel__thinking{color:var(--ai-muted);margin:0;font-size:13px}.tutor-popover-module__iiLYfq__content .tutor-panel__form{border-top:1px solid var(--ai-line);background:#fff;gap:8px;width:100%;min-height:0;max-height:45dvh;margin:0;padding:12px 16px 14px;display:grid;overflow-y:auto}.tutor-popover-module__iiLYfq__content .tutor-panel__form textarea{border:1px solid var(--ai-line);width:100%;min-height:72px;max-height:130px;color:var(--ai-ink);font:inherit;resize:vertical;background:#fff;border-radius:10px;padding:12px;font-size:14px;line-height:1.7;display:block}.tutor-popover-module__iiLYfq__content .tutor-panel__form textarea::placeholder{color:var(--ai-muted)}.tutor-popover-module__iiLYfq__content .tutor-panel__form-actions{justify-content:flex-end;align-items:center;gap:8px;display:flex}.tutor-popover-module__iiLYfq__content .tutor-panel__form button{min-height:44px;font:inherit;cursor:pointer}.tutor-popover-module__iiLYfq__content .tutor-panel__form .tutor-send{color:#fff;background:var(--ai-accent);border:0;border-radius:10px;flex:none;place-items:center;width:44px;height:44px;min-height:44px;padding:0;display:grid}.tutor-popover-module__iiLYfq__content .tutor-panel__form .tutor-send:hover:not(:disabled){background:var(--ai-accent-dark)}.tutor-popover-module__iiLYfq__content .tutor-panel__form button:disabled{opacity:.4;cursor:default}.tutor-popover-module__iiLYfq__content .tutor-panel__form .tutor-send:disabled{opacity:1;color:#92998f;background:#eeefeb}:is(.tutor-popover-module__iiLYfq__content .tutor-panel__attach,.tutor-popover-module__iiLYfq__content .tutor-cancel,.tutor-popover-module__iiLYfq__content .tutor-question-toggle){color:var(--ai-muted);font:inherit;background:0 0;border:0;padding:8px;font-size:13px}.tutor-popover-module__iiLYfq__content .tutor-question-toggle{text-align:left;margin-right:auto}.tutor-popover-module__iiLYfq__content .tutor-panel__error{color:#b43c3c;margin:0;font-size:13px}.tutor-popover-module__iiLYfq__content .tutor-image-note{color:var(--ai-muted);font-size:12px;line-height:1.6}.tutor-popover-module__iiLYfq__content .tutor-image-previews{max-height:100px}.tutor-popover-module__iiLYfq__popover.tutor-popover-module__iiLYfq__popover :focus-visible,.tutor-popover-module__iiLYfq__launcher.tutor-popover-module__iiLYfq__launcher:focus-visible{outline:3px solid var(--edu-brand,#246d66);outline-offset:2px}.tutor-popover-module__iiLYfq__popover.tutor-popover-module__iiLYfq__popover textarea:focus-visible{outline-offset:0;outline-width:2px}.tutor-popover-module__iiLYfq__popover.tutor-popover-module__iiLYfq__popover .tutor-popover-module__iiLYfq__header button:focus-visible{outline-color:var(--ai-peach);outline-offset:-3px}.tutor-popover-module__iiLYfq__header button[aria-pressed=true]{color:#fff;background:#435048}.tutor-popover-module__iiLYfq__popover[data-size=expanded]{inset:auto max(24px, env(safe-area-inset-right)) max(24px, env(safe-area-inset-bottom)) auto;width:min(820px,100vw - 48px);height:min(820px,100dvh - 48px)}.tutor-popover-module__iiLYfq__popover[data-size=expanded] .tutor-popover-module__iiLYfq__content .tutor-panel__messages{padding:24px}.tutor-popover-module__iiLYfq__popover[data-size=expanded] .tutor-popover-module__iiLYfq__content .tutor-panel__thread{max-width:720px;margin-inline:auto}.tutor-popover-module__iiLYfq__popover[data-size=expanded] .tutor-popover-module__iiLYfq__content .tutor-message{font-size:16px}@keyframes tutor-popover-module__iiLYfq__appear{0%{opacity:0;transform:translateY(16px)scale(.97)}to{opacity:1;transform:translateY(0)scale(1)}}@keyframes tutor-popover-module__iiLYfq__disappear{0%{opacity:1;transform:translateY(0)scale(1)}to{opacity:0;transform:translateY(12px)scale(.98)}}@media (max-width:720px){.tutor-popover-module__iiLYfq__launcher{right:max(16px, env(safe-area-inset-right));bottom:max(16px, env(safe-area-inset-bottom))}.tutor-popover-module__iiLYfq__popover{inset:auto 12px max(72px, calc(env(safe-area-inset-bottom) + 60px));border-radius:14px;width:calc(100vw - 24px);height:min(610px,100dvh - 96px)}.tutor-popover-module__iiLYfq__content .tutor-panel__form textarea{font-size:16px}.tutor-popover-module__iiLYfq__popover[data-size=expanded]{inset:auto 12px max(12px, env(safe-area-inset-bottom));width:calc(100vw - 24px);height:calc(100dvh - max(12px, env(safe-area-inset-top)) - max(12px, env(safe-area-inset-bottom)))}.tutor-popover-module__iiLYfq__popover[data-size=expanded] .tutor-popover-module__iiLYfq__content .tutor-panel__messages{padding:20px}}@media (prefers-reduced-motion:reduce){.tutor-popover-module__iiLYfq__popover[open],.tutor-popover-module__iiLYfq__popover[open][data-state=closing]{animation:none}.tutor-popover-module__iiLYfq__launcher{transition:none}}@media print{.tutor-popover-module__iiLYfq__launcher,.tutor-popover-module__iiLYfq__popover[open]{display:none}}.tutor-popover-module__iiLYfq__content .tutor-media-tools{flex-wrap:wrap;align-items:center;gap:4px 8px;display:flex}.tutor-popover-module__iiLYfq__content .tutor-media-tools button{border:1px solid var(--ai-line);min-height:44px;color:var(--ai-ink);background:#fff;border-radius:8px;justify-content:center;align-items:center;gap:5px;padding:7px 9px;font-size:13px;display:inline-flex}.tutor-popover-module__iiLYfq__content .tutor-media-tools button:hover:not(:disabled){background:var(--ai-surface);border-color:#b6c2b8}.tutor-popover-module__iiLYfq__content .tutor-media-tools span{color:var(--ai-muted);font-size:12px}.tutor-popover-module__iiLYfq__content .tutor-media-tools svg{width:17px;height:17px}.tutor-popover-module__iiLYfq__content .tutor-image-previews{flex-wrap:nowrap;gap:8px;max-height:88px;margin:0;padding:0;list-style:none;display:flex;overflow-x:auto}.tutor-popover-module__iiLYfq__content .tutor-image-previews li{flex:none;margin:0;padding:0;position:relative}.tutor-popover-module__iiLYfq__content .tutor-image-previews img{border:1px solid var(--ai-line);object-fit:cover;border-radius:8px;width:76px;height:76px;display:block}.tutor-popover-module__iiLYfq__content .tutor-image-previews button{color:#fff;background:#28322fe6;border:0;border-radius:0 8px;place-items:center;width:44px;height:44px;min-height:44px;padding:0;display:grid;position:absolute;inset:0 0 auto auto}.tutor-popover-module__iiLYfq__content .tutor-image-previews button svg{width:16px;height:16px}.tutor-popover-module__iiLYfq__content .tutor-message-images{flex-wrap:wrap;gap:8px;margin-bottom:8px;display:flex}.tutor-popover-module__iiLYfq__content .tutor-message-images img{border:1px solid var(--ai-line);object-fit:contain;background:#fff;border-radius:8px;max-width:100%;max-height:200px;display:block}.tutor-popover-module__iiLYfq__content .tutor-diagram{border:1px solid var(--ai-line);background:#fff;border-radius:10px;min-width:0;margin:18px 0;padding:12px;display:block}.tutor-popover-module__iiLYfq__content .tutor-diagram__scroll{max-width:100%;overflow-x:auto}.tutor-popover-module__iiLYfq__content .tutor-diagram img{width:100%;min-width:280px;height:auto;margin-inline:auto;display:block}.tutor-popover-module__iiLYfq__content .tutor-diagram figcaption{color:var(--ai-muted);gap:4px;margin-top:8px;font-size:13px;line-height:1.6;display:grid}@media (max-width:380px){.tutor-popover-module__iiLYfq__content .tutor-media-tools span{display:none}}