.sn-stack{position:fixed;z-index:940;display:flex;flex-direction:column;gap:10px;padding-top:8px;padding-bottom:4px;overflow-y:auto;overscroll-behavior:contain;pointer-events:none}.sn-card{position:relative;pointer-events:auto;background:var(--og-surface-2);border:1px solid var(--og-primary-line);border-radius:14px;box-shadow:var(--og-shadow-pop);padding:10px 10px 12px 16px;animation:sn-in .3s cubic-bezier(.2,.8,.2,1) both;transform-origin:top right}.sn-card:before{content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:0 3px 3px 0;background:var(--og-primary)}.sn-tail{position:absolute;top:-7px;width:12px;height:12px;background:var(--og-surface-2);border-left:1px solid var(--og-primary-line);border-top:1px solid var(--og-primary-line);border-top-left-radius:3px;transform:rotate(45deg)}.sn-head{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--og-text-4);min-height:28px}.sn-badge{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:999px;background:var(--og-primary-soft);color:var(--og-primary-text);font-size:12px;flex:none}.sn-from{font-weight:600;color:var(--og-primary-text-2)}.sn-x{margin-left:auto;display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;flex:none;border:0;border-radius:8px;background:transparent;color:var(--og-text-5);font-size:12px;cursor:pointer;transition:background .15s ease,color .15s ease}.sn-x:hover{background:var(--og-fill-2);color:var(--og-text)}.sn-x:focus-visible,.sn-more:focus-visible{outline:2px solid var(--og-primary-focus);outline-offset:1px}.sn-title{padding-right:6px;font-size:14px;font-weight:600;line-height:1.4;color:var(--og-text);word-break:break-word}.sn-body{margin-top:3px;padding-right:6px;font-size:13px;line-height:1.55;color:var(--og-text-2);white-space:pre-wrap;word-break:break-word;max-height:12.5em;overflow-y:auto}.sn-more{pointer-events:auto;align-self:flex-end;border:1px solid var(--og-primary-line);background:var(--og-primary-faint);color:var(--og-primary-text-2);font-size:12px;font-weight:500;border-radius:999px;padding:4px 12px;cursor:pointer;box-shadow:var(--og-shadow-md)}.sn-more:hover{background:var(--og-primary-soft)}.sn-out{animation:sn-out .17s ease-in forwards}@keyframes sn-in{0%{opacity:0;transform:translateY(-14px) scale(.95)}to{opacity:1;transform:none}}@keyframes sn-out{to{opacity:0;transform:translate(28px)}}.chat-fab-wrap{position:fixed;right:20px;bottom:20px;z-index:950}.chat-fab{display:inline-flex;align-items:center;justify-content:center;width:52px;height:52px;border:0;border-radius:999px;background:var(--og-primary);color:var(--og-on-primary);font-size:22px;cursor:pointer;box-shadow:var(--og-primary-glow),var(--og-shadow-fab);transition:transform .15s ease,background .15s ease}.chat-fab:hover{background:var(--og-primary-hover);transform:translateY(-1px)}.chat-fab:focus-visible{outline:3px solid var(--og-primary-line-2);outline-offset:2px}.chat-fab.has-unread{animation:chat-pulse 2.2s ease-out infinite}@keyframes chat-pulse{0%{box-shadow:0 0 0 0 var(--og-primary-ring),var(--og-primary-glow)}70%{box-shadow:0 0 0 14px transparent,var(--og-primary-glow)}to{box-shadow:0 0 0 0 transparent,var(--og-primary-glow)}}.chat-spacer{height:72px}.chat-panel{position:fixed;right:20px;bottom:84px;z-index:950;display:flex;flex-direction:column;width:360px;height:480px;max-height:calc(100vh - 104px);overflow:hidden;background:var(--og-surface-2);border:1px solid var(--og-border);border-radius:16px;box-shadow:var(--og-shadow-panel);animation:chat-in .22s cubic-bezier(.2,.8,.2,1) both;transform-origin:bottom right}.chat-panel.is-full{top:0;right:0;bottom:0;left:0;width:auto;height:100%;height:100dvh;max-height:none;border:0;border-radius:0;animation-name:chat-in-full}@keyframes chat-in{0%{opacity:0;transform:translateY(12px) scale(.97)}to{opacity:1;transform:none}}@keyframes chat-in-full{0%{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}.chat-head{display:flex;align-items:center;gap:10px;padding:10px 8px 10px 14px;border-bottom:1px solid var(--og-border-split);background:var(--og-surface-2)}.chat-head-text{min-width:0;flex:1}.chat-head-title{font-size:14px;font-weight:600;color:var(--og-text);line-height:1.3}.chat-head-sub{font-size:12px;color:var(--og-text-4);line-height:1.35}.chat-avatar{display:inline-flex;align-items:center;justify-content:center;flex:none;width:32px;height:32px;border-radius:999px;background:var(--og-primary);color:var(--og-on-primary);font-size:14px;font-weight:700}.chat-avatar.sm{width:26px;height:26px;font-size:12px}.chat-avatar.ghost{visibility:hidden}.chat-body{position:relative;flex:1;overflow-y:auto;overscroll-behavior:contain;padding:8px 12px 12px;background:var(--og-bg)}.chat-day{margin:12px 0 4px;text-align:center;font-size:11px;color:var(--og-text-5)}.chat-row{display:flex;align-items:flex-end;gap:8px;margin-top:6px}.chat-row.me{justify-content:flex-end}.chat-col{display:flex;flex-direction:column;max-width:80%;min-width:0}.chat-row.me .chat-col{align-items:flex-end}.chat-bubble{padding:8px 12px;border-radius:14px;font-size:13.5px;line-height:1.5;white-space:pre-wrap;word-break:break-word}.chat-row.them .chat-bubble{background:var(--og-surface-2);border:1px solid var(--og-primary-soft);color:var(--og-text);border-bottom-left-radius:4px}.chat-row.me .chat-bubble{background:var(--og-primary);color:var(--og-on-primary);border-bottom-right-radius:4px}.chat-row.pending .chat-bubble{opacity:.6}.chat-meta{margin-top:2px;font-size:11px;color:var(--og-text-5)}.chat-sub{margin-top:3px;font-size:12px;line-height:1.45;color:var(--og-text-4);white-space:pre-wrap;word-break:break-word}.chat-link{border:0;padding:0;background:none;color:var(--og-primary-text);font-size:11px;cursor:pointer}.chat-link:hover{text-decoration:underline}.chat-new{position:sticky;bottom:4px;display:flex;justify-content:center;pointer-events:none}.chat-new>button{pointer-events:auto;border:0;border-radius:999px;padding:4px 12px;background:var(--og-primary);color:var(--og-on-primary);font-size:12px;cursor:pointer;box-shadow:var(--og-primary-glow-sm)}.chat-foot{padding:8px 10px 10px;border-top:1px solid var(--og-border-split);background:var(--og-surface-2)}.chat-foot-row{display:flex;align-items:flex-end;gap:8px}.chat-error{margin-bottom:6px;padding:6px 10px;border-radius:8px;background:var(--og-danger-bg);color:var(--og-danger-text);font-size:12px;line-height:1.45}.chat-hint{display:flex;justify-content:space-between;gap:8px;margin-top:4px;font-size:11px;color:var(--og-text-5)}.chat-empty{display:flex;height:100%;align-items:center;justify-content:center;color:var(--og-text-5);font-size:13px}@media(prefers-reduced-motion:reduce){.sn-card,.sn-out,.chat-panel,.chat-fab.has-unread{animation:none!important}}