/* Floating CALEB invitation — original course helper, not a Clippy copy. */
.caleb-dock{right:22px;bottom:22px}
.caleb-launch{max-width:min(390px,calc(100vw - 34px));min-height:88px;padding:6px 14px 6px 7px;gap:12px;border:0;background:transparent;box-shadow:none;text-align:left;align-items:center}
.caleb-launch:hover .caleb-bubble{transform:translateY(-2px)}
.caleb-mini{width:86px!important;height:86px!important;flex:0 0 86px;object-fit:contain;object-position:center;border:3px solid var(--ink-dark)!important;background:var(--sea);box-shadow:5px 5px 0 var(--moss);image-rendering:pixelated}
.caleb-bubble{position:relative;display:block;padding:14px 16px;background:#fffdf4;border:3px solid var(--ink-dark);box-shadow:6px 6px 0 var(--ink-dark);line-height:1.18;transition:transform .16s ease}
.caleb-bubble:before{content:"";position:absolute;left:-14px;top:50%;width:20px;height:20px;background:#fffdf4;border-left:3px solid var(--ink-dark);border-bottom:3px solid var(--ink-dark);transform:translateY(-50%) rotate(45deg)}
.caleb-bubble strong{display:block;color:var(--ink);font:700 1rem var(--body);letter-spacing:-.025em}
.caleb-bubble small{display:block;max-width:230px;margin-top:4px;color:var(--ink-dark);font:400 .71rem/1.28 var(--body)}
.caleb-window{bottom:97px}
.caleb-thread{display:grid;gap:9px;max-height:235px;overflow-y:auto;padding:1px 2px 3px}
.caleb-message{margin:0;padding:10px 11px;font-size:.8rem;line-height:1.42}
.caleb-message--assistant{background:var(--mist);border-left:3px solid var(--moss);color:var(--ink-dark)}
.caleb-message--visitor{background:var(--paper);border:1px solid var(--line);margin-left:18px;color:var(--ink-dark)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.caleb-compose{display:block;margin-top:12px}.caleb-compose textarea{display:block;width:100%;min-height:58px;resize:vertical;border:1px solid var(--ink-dark);background:#fffdf4;color:var(--ink-dark);padding:8px;font:inherit;line-height:1.3}.caleb-send{display:block;width:100%;min-height:44px;margin-top:8px;border:1px solid var(--ink-dark);background:var(--ink);color:var(--paper);padding:0 12px;font:700 .75rem var(--body);cursor:pointer}.caleb-send:disabled{opacity:.6;cursor:wait}
.caleb-reply small{display:block;margin-top:8px;color:var(--moss);font-weight:700;font-size:.68rem;letter-spacing:.06em;text-transform:uppercase}
.caleb-disclosure{margin:14px 0 0;color:var(--moss);font-size:.72rem;line-height:1.35}
@media (max-width:560px){.caleb-dock{right:10px;bottom:10px}.caleb-launch{max-width:calc(100vw - 20px);min-height:68px;padding:4px 8px 4px 3px}.caleb-mini{width:62px!important;height:62px!important;flex-basis:62px}.caleb-bubble{padding:9px 11px}.caleb-bubble strong{font-size:.88rem}.caleb-bubble small{font-size:.64rem;max-width:205px}.caleb-window{bottom:77px;right:0;width:min(390px,calc(100vw - 20px))}.caleb-bubble:before{left:-10px;width:15px;height:15px}}
@media(prefers-reduced-motion:reduce){.caleb-bubble{transition:none}}