.assist-overlay{position:fixed;inset:0;background:var(--color-overlay-bg);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;padding:20px;z-index:600}.assist-surface{background:var(--color-surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);width:min(720px,calc(100vw - 40px));max-height:min(82vh,760px);display:flex;flex-direction:column;overflow:hidden}.assist-header{display:flex;align-items:center;justify-content:space-between;gap:var(--space-sm);padding:var(--space-sm) var(--space-md);position:relative;background:var(--color-surface);flex-shrink:0}.assist-header:after{content:"";position:absolute;bottom:0;left:0;right:0;height:.33px;background:var(--color-separator)}.assist-title{margin:0;font-size:var(--font-size-lg);font-weight:600;letter-spacing:-.02em;color:var(--color-text)}.assist-surface:focus,.assist-surface:focus-visible{outline:none}.assist-close-btn{background:var(--color-surface);box-shadow:var(--shadow-md);border:none;color:var(--color-text);cursor:pointer;padding:0;width:34px;height:34px;display:inline-flex;align-items:center;justify-content:center;border-radius:50%;flex-shrink:0;transition:background var(--transition-fast)}.assist-close-btn svg{width:14px;height:14px;stroke:var(--color-text)}@media (hover: hover){.assist-close-btn:hover{background:var(--color-fill-quaternary)}}.assist-scroll-shell{position:relative;flex:1;min-height:0;overflow:hidden;display:flex;flex-direction:column}.assist-scroll-shell:before,.assist-scroll-shell:after{content:"";position:absolute;left:0;right:0;height:24px;pointer-events:none;opacity:0;transition:opacity var(--transition-fast);z-index:1}.assist-scroll-shell:before{top:0;background:linear-gradient(to bottom,var(--color-surface),transparent)}.assist-scroll-shell:after{bottom:0;background:linear-gradient(to top,var(--color-surface),transparent)}.assist-scroll-shell.assist-scroll-shell--fade-top:before,.assist-scroll-shell.assist-scroll-shell--fade-bottom:after{opacity:1}.help-content,.assist-content{flex:1;min-height:0;overflow-y:auto;padding:0 20px 22px;color:var(--color-text);font-family:var(--font-body);font-size:var(--font-size-base);line-height:1.55}.help-content>:first-child,.assist-content>:first-child{margin-top:18px}.help-content>:last-child,.assist-content>:last-child{margin-bottom:0}.help-content h2,.assist-content h2{font-size:var(--font-size-lg);font-weight:600;color:var(--color-text);margin-top:0;margin-bottom:8px;letter-spacing:-.02em}.help-content h3,.assist-content h3{font-size:var(--font-size-base);font-weight:600;color:var(--color-text);margin-top:18px;margin-bottom:8px;letter-spacing:-.01em}.help-content p,.assist-content p{font-size:var(--font-size-base);line-height:1.55;margin:0 0 12px;color:var(--color-text)}.help-content ol,.help-content ul,.assist-content ol,.assist-content ul{font-size:var(--font-size-base);line-height:1.55;margin:0 0 12px;padding-left:22px;color:var(--color-text)}.help-content li,.assist-content li{margin-bottom:6px}.help-content strong,.assist-content strong{font-weight:600;color:var(--color-text)}.assist-content .assist-note-list{list-style:none;margin:0;padding:0}.assist-content .assist-note-item{margin:0;padding:18px 0;border-bottom:.33px solid var(--color-separator)}.assist-content .assist-note-item:first-child{padding-top:18px}.assist-content .assist-note-item:last-child{border-bottom:none;padding-bottom:0}.assist-content .assist-note-label{display:block;margin:0 0 6px;font-size:var(--font-size-base);font-weight:600;line-height:1.2;text-transform:uppercase;letter-spacing:.04em;color:var(--color-accent)}.assist-content .assist-note-body{font-size:var(--font-size-base);line-height:1.55;color:var(--color-text)}.assist-content .assist-note-table{width:100%;border-collapse:collapse;margin-top:12px;font-size:var(--font-size-sm)}.assist-content .assist-note-table th,.assist-content .assist-note-table td{padding:8px 10px;text-align:left;vertical-align:top;border-bottom:.33px solid var(--color-separator)}.assist-content .assist-note-table th{font-weight:600;font-size:var(--font-size-xs);text-transform:uppercase;letter-spacing:.03em;color:var(--color-text-secondary)}body.assist-dialog-open{overflow:hidden}@media (max-width: 700px){.assist-overlay{padding:10px;align-items:stretch}.assist-surface{width:100%;max-width:100%;max-height:none;height:calc(100dvh - 20px);border-radius:var(--radius-2xl)}}.feedback-form{display:flex;flex-direction:column;gap:16px;padding:0 var(--space-md) var(--space-md)}.feedback-form__label{display:flex;flex-direction:column;gap:6px;font-size:var(--font-size-base);font-weight:600;color:var(--color-text)}.feedback-form__textarea,.feedback-form__input{width:100%;font-size:var(--font-size-base);font-family:inherit;font-weight:400;color:var(--color-text);background:var(--color-fill-tertiary);border:1px solid var(--color-text-secondary);border-radius:var(--radius-md);padding:8px 12px;box-sizing:border-box;transition:border-color .15s ease,background var(--transition-fast)}.feedback-form__textarea:focus,.feedback-form__input:focus{outline:none;border-color:var(--color-accent);background:var(--color-fill-quaternary)}.feedback-form__textarea{min-height:120px;resize:vertical;line-height:1.5}.feedback-form__submit{display:flex;align-items:center;justify-content:center;min-height:44px;padding:0 24px;font-size:var(--font-size-base);font-weight:600;font-family:inherit;color:#fff;background:var(--color-accent);border:none;border-radius:var(--radius-pill);cursor:pointer;transition:opacity var(--transition-quick)}.feedback-form__submit:disabled{opacity:.5;cursor:not-allowed}.feedback-form__success{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:var(--space-xl) var(--space-md);text-align:center}.feedback-form__success svg{width:48px;height:48px;color:var(--color-accent)}.feedback-form__success p{font-size:var(--font-size-lg);font-weight:600;color:var(--color-text);margin:0}.feedback-form__error{color:var(--color-destructive, #FF3B30);font-size:var(--font-size-sm);margin:0}