:root{--sc-primary:#4f46e5;--sc-primary-dark:#4338ca;--sc-accent:#6366f1;--sc-text:#0f172a;--sc-muted:#64748b;--sc-border:#e7e9f0;--sc-surface:#fff;--sc-surface-soft:#f8f9fc;--sc-radius-lg:20px;--sc-radius-md:14px;--sc-radius-sm:10px;--sc-shadow:0 24px 60px -12px #0f172a38,0 4px 16px -4px #0f172a14}.sc-trigger{z-index:9998;background:linear-gradient(135deg,var(--sc-accent),var(--sc-primary-dark));cursor:pointer;color:#fff;border:none;border-radius:50%;justify-content:center;align-items:center;width:clamp(48px,3.6vw,58px);height:clamp(48px,3.6vw,58px);transition:bottom .35s cubic-bezier(.16,1,.3,1),transform .25s cubic-bezier(.34,1.56,.64,1),box-shadow .25s;animation:.4s cubic-bezier(.34,1.56,.64,1) sc-pop-in;display:flex;position:fixed;bottom:clamp(24px,3vw,40px);right:clamp(20px,2.5vw,36px);box-shadow:0 10px 30px -6px #4f46e58c}.sc-trigger[data-raised=true]{bottom:clamp(88px,10vw,112px)}.sc-trigger:hover{transform:translateY(-3px)scale(1.04);box-shadow:0 16px 36px -6px #4f46e599}.sc-trigger:active{transform:translateY(-1px)scale(.98)}.sc-trigger-icon{width:24px;height:24px}.sc-trigger-badge{width:13px;height:13px;color:var(--sc-primary-dark);box-shadow:0 0 0 2px var(--sc-primary-dark);background:#fff;border-radius:50%;padding:2px;position:absolute;bottom:4px;right:4px}.sc-overlay{-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);z-index:9999;background:#0f172a52;animation:.18s sc-fade-in;position:fixed;inset:0}.sc-content{background:var(--sc-surface);border-radius:var(--sc-radius-lg);width:min(400px,100vw - 32px);height:min(640px,100vh - 64px);box-shadow:var(--sc-shadow);z-index:10000;color:var(--sc-text);flex-direction:column;font-family:inherit;animation:.22s cubic-bezier(.16,1,.3,1) sc-slide-up;display:flex;position:fixed;bottom:clamp(16px,3vw,32px);left:auto;right:clamp(16px,2.5vw,32px);overflow:hidden}@media (max-width:480px){.sc-content{width:calc(100vw - 16px);height:min(640px,100vh - 96px);bottom:8px;right:8px}}.sc-header{background:linear-gradient(135deg,var(--sc-accent),var(--sc-primary-dark));color:#fff;flex-shrink:0;justify-content:space-between;align-items:flex-start;gap:12px;padding:18px 20px 16px;display:flex}.sc-header-avatar{background:#ffffff2e;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:34px;height:34px;display:flex}.sc-header-text{flex-direction:column;flex:1;gap:4px;min-width:0;display:flex}.sc-title{letter-spacing:-.01em;margin:0;font-size:16.5px;font-weight:700}.sc-subtitle{color:#ffffffd9;align-items:center;gap:6px;margin:0;font-size:12px;font-weight:500;display:flex}.sc-dot{background:#4ade80;border-radius:50%;flex-shrink:0;width:7px;height:7px;box-shadow:0 0 0 3px #4ade8040}.sc-close{cursor:pointer;color:#fff;background:#ffffff29;border:none;border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;padding:6px;transition:background .15s;display:flex}.sc-close:hover{background:#ffffff47}.sc-topbar{border-bottom:1px solid var(--sc-border);background:var(--sc-surface);flex-shrink:0;justify-content:flex-end;align-items:center;gap:8px;padding:8px 16px;display:flex}.sc-topbar-btn{cursor:pointer;color:var(--sc-primary);white-space:nowrap;background:0 0;border:none;border-radius:8px;flex-shrink:0;align-items:center;gap:6px;padding:4px 6px;font-size:12px;font-weight:600;transition:background .15s;display:flex}.sc-topbar-btn:hover{background:var(--sc-surface-soft)}.sc-topbar-btn .sc-icon{width:15px;height:15px}.sc-ticket-banner-btn{cursor:pointer;color:#fff;background:var(--sc-primary);white-space:nowrap;border:none;border-radius:8px;flex-shrink:0;align-items:center;gap:6px;padding:4px 8px;font-size:12px;font-weight:600;transition:opacity .15s;display:flex}.sc-ticket-banner-btn:hover{opacity:.9}.sc-ticket-banner-btn .sc-icon{width:14px;height:14px}@media (max-width:480px){.sc-topbar{flex-direction:column;align-items:flex-end;gap:6px;padding:6px 12px}}.sc-thread{background:var(--sc-surface-soft);scroll-behavior:smooth;flex-direction:column;flex:1;gap:14px;padding:18px 16px;display:flex;overflow-y:auto}.sc-day-divider{color:var(--sc-muted);text-transform:uppercase;letter-spacing:.04em;align-self:stretch;align-items:center;gap:10px;margin:2px 0;font-size:11px;display:flex}.sc-day-divider:before,.sc-day-divider:after{content:"";background:var(--sc-border);flex:1;height:1px}.sc-msg-row{align-items:flex-end;gap:8px;max-width:92%;animation:.22s sc-msg-in;display:flex}.sc-msg-row-bot{align-self:flex-start}.sc-msg-row-user{flex-direction:row-reverse;align-self:flex-end}.sc-avatar{background:linear-gradient(135deg,var(--sc-accent),var(--sc-primary-dark));color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:26px;height:26px;display:flex}.sc-avatar .sc-icon{width:14px;height:14px}.sc-bubble{border-radius:var(--sc-radius-md);flex-direction:column;gap:10px;min-width:0;padding:11px 14px;display:flex}.sc-bubble-bot{background:var(--sc-surface);border:1px solid var(--sc-border);border-bottom-left-radius:4px}.sc-bubble-user{background:linear-gradient(135deg,var(--sc-accent),var(--sc-primary-dark));color:#fff;border-bottom-right-radius:4px}.sc-bubble-text{margin:0;font-size:13.5px;line-height:1.5}.sc-bubble-text-muted{color:var(--sc-muted);font-size:12px}.sc-bubble-user .sc-bubble-text{color:#fff}.sc-typing{align-items:center;gap:4px;padding:3px 2px;display:flex}.sc-typing span{background:var(--sc-muted);opacity:.6;border-radius:50%;width:6px;height:6px;animation:1s ease-in-out infinite sc-bounce}.sc-typing span:nth-child(2){animation-delay:.15s}.sc-typing span:nth-child(3){animation-delay:.3s}.sc-chips{flex-direction:column;gap:6px;display:flex}.sc-chip{border:1px solid var(--sc-border);border-radius:var(--sc-radius-sm);background:var(--sc-surface);cursor:pointer;text-align:left;font:inherit;color:var(--sc-text);align-items:center;gap:10px;padding:9px 11px;transition:border-color .15s,background .15s,transform .1s;display:flex}.sc-chip:hover{border-color:var(--sc-accent);background:var(--sc-surface-soft);transform:translate(1px)}.sc-chip-icon{width:16px;height:16px;color:var(--sc-primary);flex-shrink:0}.sc-chip-text{flex-direction:column;gap:1px;min-width:0;display:flex}.sc-chip-label{font-size:12.5px;font-weight:600}.sc-chip-helper{color:var(--sc-muted);text-overflow:ellipsis;white-space:nowrap;font-size:11px;overflow:hidden}.sc-inline-form{flex-direction:column;gap:8px;display:flex}.sc-input{border:1px solid var(--sc-border);border-radius:var(--sc-radius-sm);color:var(--sc-text);background:var(--sc-surface);padding:9px 12px;font-family:inherit;font-size:13px;transition:border-color .15s,box-shadow .15s}.sc-input:focus{border-color:var(--sc-accent);outline:none;box-shadow:0 0 0 3px #6366f126}.sc-input:disabled{opacity:.55}.sc-textarea{resize:vertical;min-height:72px}.sc-btn{border-radius:var(--sc-radius-sm);cursor:pointer;border:1px solid #0000;justify-content:center;align-items:center;gap:7px;padding:10px 16px;font-size:13px;font-weight:600;transition:transform .12s,box-shadow .15s,background .15s;display:flex}.sc-btn-sm{align-self:flex-start;padding:8px 12px;font-size:12.5px}.sc-form-actions{align-items:center;gap:8px;display:flex}.sc-btn-ghost{color:var(--sc-muted);background:0 0;border-color:#0000}.sc-btn-ghost:hover:not(:disabled){background:var(--sc-surface-soft);color:var(--sc-text)}.sc-btn:disabled{opacity:.55;cursor:not-allowed}.sc-btn-primary{background:linear-gradient(135deg,var(--sc-accent),var(--sc-primary-dark));color:#fff;box-shadow:0 6px 16px -4px #4f46e573}.sc-btn-primary:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 10px 22px -4px #4f46e58c}.sc-hint{color:var(--sc-muted);margin:0;font-size:12.5px;line-height:1.5}.sc-icon{flex-shrink:0;width:18px;height:18px}@keyframes sc-bounce{0%,60%,to{opacity:.5;transform:translateY(0)}30%{opacity:1;transform:translateY(-4px)}}@keyframes sc-msg-in{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}@keyframes sc-fade-in{0%{opacity:0}to{opacity:1}}@keyframes sc-slide-up{0%{opacity:0;transform:translateY(16px)scale(.98)}to{opacity:1;transform:translateY(0)scale(1)}}@keyframes sc-pop-in{0%{opacity:0;transform:scale(.5)}to{opacity:1;transform:scale(1)}}