.cfs-course-assistant-launcher{position:fixed;z-index:320;right:24px;bottom:24px;height:54px;padding:0 19px 0 15px;display:flex;align-items:center;gap:10px;border:0;border-radius:999px;background:#ffd400;color:#111;font:600 13px/1 Inter,Arial,sans-serif;box-shadow:0 14px 38px rgba(0,0,0,.28);cursor:pointer;transition:transform .25s ease,background-color .25s ease}
.cfs-course-assistant-launcher[hidden]{display:none!important}
.cfs-course-assistant-launcher:hover{transform:translateY(-2px);background:#ffe047}
.cfs-course-assistant-launcher svg{width:25px;height:25px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.cfs-course-assistant{position:fixed;z-index:330;right:24px;bottom:90px;width:min(420px,calc(100vw - 32px));max-height:min(690px,calc(100dvh - 120px));overflow:hidden;border:1px solid #252525;border-radius:22px;background:#f7f6f2;color:#111;font-family:Inter,Arial,sans-serif;box-shadow:0 30px 80px rgba(0,0,0,.34)}
.cfs-course-assistant[hidden]{display:none!important}
.cfs-course-assistant-head{min-height:78px;padding:14px 14px 14px 16px;display:grid;grid-template-columns:42px 1fr 34px 34px;gap:9px;align-items:center;background:#090909;color:#fff}
.cfs-course-assistant-mark{width:42px;height:42px;display:grid;place-items:center;border-radius:50%;background:#1b1b1b;color:#ffd400;font-size:24px}
.cfs-course-assistant-head strong{display:block;font-size:14px;line-height:1.25}
.cfs-course-assistant-head small{display:block;margin-top:3px;color:#9c9c9c;font-size:10px;line-height:1.25}
.cfs-course-assistant-head button{width:34px;height:34px;padding:0;border:0;border-radius:50%;background:transparent;color:#c7c7c7;font:400 24px/1 Inter,Arial,sans-serif;cursor:pointer}
.cfs-course-assistant-head button:hover{background:#202020;color:#fff}
.cfs-course-assistant-reset{font-size:19px!important}
.cfs-course-assistant-body{display:flex;flex-direction:column;max-height:calc(min(690px,100dvh - 120px) - 78px)}
.cfs-course-assistant-messages{min-height:300px;padding:18px;overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin}
.cfs-course-message{width:fit-content;max-width:91%;margin:0 0 11px;padding:12px 14px;border-radius:16px;font-size:12px;line-height:1.48;white-space:pre-line}
.cfs-course-message.assistant{background:#fff;border:1px solid #e4e1da;border-top-left-radius:5px;color:#242424}
.cfs-course-message.user{margin-left:auto;background:#111;border-top-right-radius:5px;color:#fff}
.cfs-course-options{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:2px 0 16px}
.cfs-course-options.is-single{grid-template-columns:1fr}
.cfs-course-option{min-height:46px;padding:10px 12px;border:1px solid #d8d5ce;border-radius:13px;background:#fff;color:#111;font:600 11px/1.25 Inter,Arial,sans-serif;text-align:left;cursor:pointer;transition:border-color .2s ease,background-color .2s ease,transform .2s ease}
.cfs-course-option:hover,.cfs-course-option:focus-visible{border-color:#e7bd00;background:#fff9dc;transform:translateY(-1px);outline:0}
.cfs-course-options.is-complete .cfs-course-option{pointer-events:none;opacity:.46}
.cfs-course-whatsapp{display:flex;align-items:center;justify-content:center;gap:9px;min-height:50px;margin:2px 0 16px;padding:12px 16px;border-radius:14px;background:#ffd400;color:#111;font-size:13px;font-weight:700;text-decoration:none;transition:transform .2s ease,background-color .2s ease}
.cfs-course-whatsapp:hover{transform:translateY(-1px);background:#ffe047;color:#111}
.cfs-course-whatsapp svg{width:20px;height:20px;fill:currentColor}
.cfs-course-assistant-question{display:grid;grid-template-columns:1fr 42px;gap:8px;padding:12px 14px;border-top:1px solid #dedbd4;background:#eeece6}
.cfs-course-assistant-question input{min-width:0;height:42px;padding:0 13px;border:1px solid #d1cec6;border-radius:12px;background:#fff;color:#111;font:400 11px/1 Inter,Arial,sans-serif;outline:0}
.cfs-course-assistant-question input:focus{border-color:#c5a000;box-shadow:0 0 0 2px rgba(255,212,0,.15)}
.cfs-course-assistant-question button{height:42px;border:0;border-radius:12px;background:#111;color:#fff;font-size:18px;cursor:pointer}
.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}
@media(max-width:600px){.cfs-course-assistant-launcher{right:14px;bottom:76px;width:50px;height:50px;padding:0;justify-content:center}.cfs-course-assistant-launcher span{display:none}.cfs-course-assistant{left:0;right:0;bottom:0;width:100%;max-height:calc(100dvh - 70px);border-radius:22px 22px 0 0}.cfs-course-assistant-body{max-height:calc(100dvh - 148px)}.cfs-course-assistant-messages{padding:15px;min-height:260px}.cfs-course-message{max-width:94%}.cfs-course-options{grid-template-columns:1fr 1fr}.cfs-course-assistant-question{padding-bottom:max(12px,env(safe-area-inset-bottom))}}
@media(max-width:370px){.cfs-course-options{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){.cfs-course-assistant-launcher,.cfs-course-option,.cfs-course-whatsapp{transition:none}}