/* Contextual help stays in the page flow: no blocking overlay or covered controls. */
.lesson-help-card{box-sizing:border-box;width:100%;min-width:0;max-width:680px;margin:0 0 16px;padding:14px 16px;background:#edfaff;border:1px solid #b8dfeb;border-radius:16px;box-shadow:0 5px 18px #173e5010;animation:lesson-help-enter .22s ease-out}
.depth-settings>.lesson-help-card{grid-column:1/-1}
.lesson-help-head{display:flex;align-items:center;gap:8px;color:#17657d;font:500 13px/1.4 var(--font)}
.lesson-help-head img{flex:0 0 24px}.lesson-help-head>button{display:grid;place-items:center;min-width:44px;min-height:44px;margin:-8px -8px -8px auto;border:0;background:transparent;color:#427183;font:400 24px/1 var(--font);border-radius:10px;cursor:pointer}
.lesson-help-card p{margin:10px 0 12px;color:#253d50;font:400 14px/1.55 var(--font);overflow-wrap:anywhere}
.lesson-help-actions{display:flex;align-items:center;flex-wrap:wrap;gap:8px 12px}.lesson-help-actions button{min-height:44px;margin:0;display:inline-flex;align-items:center;justify-content:center;text-align:center;gap:8px;font:500 13px/1.3 var(--font);padding:10px 14px;border-radius:10px}.lesson-help-actions .text-link{border:0;background:transparent;color:#17657d}
.lesson-help-focus{outline:2px solid #00a5cf!important;outline-offset:4px;border-radius:10px;scroll-margin:100px 12px 30px}
.lesson-help-pointer{position:fixed;z-index:90;width:36px;height:40px;pointer-events:none;filter:drop-shadow(0 2px 3px #20374b25);animation:lesson-help-point .7s ease-in-out 3}
.lesson-help-pointer svg{display:block;width:100%;height:100%}.lesson-help-pointer[hidden]{display:none}
.lesson-help-open{min-height:44px;flex-shrink:0;white-space:normal;text-align:center}.lesson-help-invitation{background:#e6f8fc;border-radius:10px;padding:8px 12px;animation:lesson-help-invite 1s ease-in-out 2}
.lesson-help-focus[data-help-line]{box-shadow:inset 4px 0 #00a5cf}
.lesson-help-nudge{position:fixed;right:16px;bottom:24px;z-index:80;max-width:calc(100vw - 32px);display:flex;align-items:center;padding:4px;background:#edfaff;border:1px solid #b8dfeb;border-radius:14px;box-shadow:0 4px 18px #173e5018}.lesson-help-nudge button{display:flex;align-items:center;justify-content:center;gap:8px;min-height:44px;min-width:44px;border:0;border-radius:10px;background:transparent;color:#17657d;font:500 13px/1.4 var(--font);padding:8px 12px;cursor:pointer}.lesson-help-nudge button:last-child{padding:8px;font-size:22px}
@keyframes lesson-help-enter{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:none}}
@keyframes lesson-help-point{0%,100%{transform:translate(0,0)}50%{transform:translate(3px,4px)}}
@keyframes lesson-help-invite{50%{box-shadow:0 0 0 4px #00a5cf22}}
@media(max-width:600px){.lesson-help-card{padding:12px;margin-bottom:16px;max-width:100%}.lesson-help-actions{gap:6px}.lesson-help-actions button{flex:1 1 auto;padding:10px 12px}.lesson-help-open{font-size:12px!important}.mission-page-top,.mission-lab-top{flex-wrap:wrap!important;gap:4px 12px!important}.lesson-help-pointer{width:30px;height:34px}}
@media(prefers-reduced-motion:reduce){.lesson-help-card,.lesson-help-pointer,.lesson-help-invitation{animation:none}}
@media(max-width:700px){.lesson-help-nudge{right:12px;bottom:96px}}