.nb-chat{--c-bg:#0c0e1a;--c-surface:#141833;--c-border:rgba(255,255,255,0.12);--c-text:#e9ebf5;--c-muted:#9aa1bd;--c-cyan:#22d3ee;--c-violet:#2f5bff;position:fixed;right:clamp(1rem,3vw,2rem);bottom:clamp(1rem,3vw,2rem);z-index:1100;font-family:var(--font-family,"Roboto",system-ui,sans-serif)}html[data-theme="light"] .nb-chat{--c-bg:#ffffff;--c-surface:#eef1f8;--c-border:rgba(0,0,0,0.14);--c-text:#0f1222;--c-muted:#4a5170;--c-cyan:#0a93b0}.nb-chat__launcher{position:relative;display:inline-flex;align-items:center;gap:0.55rem;padding:0.8rem 1.2rem;border:none;border-radius:999px;cursor:pointer;color:#fff;font-weight:700;font-size:0.95rem;background:#004efe;box-shadow:0 10px 28px -10px rgba(0,78,254,0.55);transition:transform 0.2s ease,background 0.2s ease}.nb-chat__launcher::after{content:"";position:absolute;inset:0;border-radius:inherit;box-shadow:0 16px 38px -10px rgba(0,78,254,0.6);opacity:0;transition:opacity 0.3s ease;pointer-events:none}.nb-chat__launcher:hover{transform:translateY(-2px);background:#003ad1}.nb-chat__launcher:hover::after{opacity:1}.nb-chat__launcher i{font-size:1.2rem}.nb-chat__panel{position:absolute;right:0;bottom:calc(100% + 0.75rem);width:min(92vw,380px);height:min(70vh,540px);display:none;flex-direction:column;overflow:hidden;border-radius:18px;border:1px solid var(--c-border);background:var(--c-bg);box-shadow:0 30px 70px -20px rgba(0,0,0,0.7)}.nb-chat.is-open .nb-chat__panel{display:flex;animation:nb-chat-in 0.25s cubic-bezier(0.16,1,0.3,1)}.nb-chat.is-open .nb-chat__launcher{display:none}@keyframes nb-chat-in{from{opacity:0;transform:translateY(12px) scale(0.98)}to{opacity:1;transform:none}}.nb-chat__header{display:flex;align-items:center;gap:0.6rem;padding:0.9rem 1rem;background:linear-gradient(120deg,rgba(34,211,238,0.16),rgba(47,91,255,0.16));border-bottom:1px solid var(--c-border)}.nb-chat__avatar{display:grid;place-items:center;width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,0.08);overflow:hidden;flex-shrink:0}.nb-chat__avatar img{width:36px;height:36px;display:block}.nb-chat__launcher-img{display:block;filter:drop-shadow(0 1px 1px rgba(0,0,0,0.25));animation:bitty-bob 2.6s ease-in-out infinite}@keyframes bitty-bob{0%,100%{transform:translateY(0) rotate(0deg)}50%{transform:translateY(-2px) rotate(-4deg)}}@media (prefers-reduced-motion:reduce){.nb-chat__launcher-img{animation:none}}.nb-chat__title{font-weight:700;color:var(--c-text);font-size:0.95rem;line-height:1.1}.nb-chat__subtitle{font-size:0.75rem;color:var(--c-muted)}.nb-chat__close{margin-left:auto;background:none;border:none;color:var(--c-muted);font-size:1.4rem;line-height:1;cursor:pointer;padding:0.2rem 0.4rem;border-radius:8px}.nb-chat__close:hover{color:var(--c-text);background:rgba(255,255,255,0.06)}.nb-chat__welcome{display:flex;flex-direction:column;align-items:center;text-align:center;gap:0.5rem;padding:0.5rem 0.5rem 0.25rem}.nb-chat__hero{width:104px;height:104px;display:block;animation:bitty-walk-in 0.7s cubic-bezier(0.16,1,0.3,1) both}.nb-chat__welcome-text{color:var(--c-text);font-size:0.95rem;line-height:1.5;max-width:28ch;animation:bitty-fade-up 0.5s ease 0.25s both}@keyframes bitty-walk-in{0%{opacity:0;transform:translateX(-48px) rotate(-6deg)}60%{opacity:1;transform:translateX(6px) rotate(2deg)}100%{opacity:1;transform:translateX(0) rotate(0)}}@keyframes bitty-fade-up{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}@media (prefers-reduced-motion:reduce){.nb-chat__hero,.nb-chat__welcome-text{animation:none}}.nb-chat__messages{flex:1;min-height:0;overflow-y:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;padding:1rem;display:flex;flex-direction:column;gap:0.6rem}.nb-chat__msg{max-width:85%;padding:0.6rem 0.85rem;border-radius:14px;font-size:0.9rem;line-height:1.5;white-space:pre-wrap;word-wrap:break-word}.nb-chat__msg--bot{align-self:flex-start;background:var(--c-surface);border:1px solid var(--c-border);color:var(--c-text);border-bottom-left-radius:4px}.nb-chat__msg--user{align-self:flex-end;color:#fff;background:var(--primary,#007bff);border-bottom-right-radius:4px}.nb-chat__msg--bot a{color:var(--c-cyan);font-weight:600;text-decoration:underline;word-break:break-word}.nb-chat__msg--bot a:hover{color:#67e8f9}.nb-chat__contact-wrap{padding:0.5rem;max-width:85%}.nb-chat__contact{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:0.4rem}.nb-chat__contact a{display:flex;align-items:center;gap:0.6rem;padding:0.5rem 0.7rem;border:1px solid var(--c-border);border-radius:10px;background:var(--c-surface);color:var(--c-text);font-size:0.9rem;font-weight:600;text-decoration:none;transition:border-color 0.15s,color 0.15s}.nb-chat__contact a:hover{border-color:var(--c-cyan);color:var(--c-cyan)}.nb-chat__contact i{font-size:1.1rem;color:var(--c-cyan);flex-shrink:0}.nb-chat__typing{align-self:flex-start;display:inline-flex;gap:4px;padding:0.7rem 0.9rem;background:var(--c-surface);border:1px solid var(--c-border);border-radius:14px}.nb-chat__typing span{width:7px;height:7px;border-radius:50%;background:var(--c-muted);animation:nb-chat-bounce 1.2s infinite ease-in-out}.nb-chat__typing span:nth-child(2){animation-delay:0.15s}.nb-chat__typing span:nth-child(3){animation-delay:0.3s}@keyframes nb-chat-bounce{0%,80%,100%{transform:translateY(0);opacity:0.5}40%{transform:translateY(-5px);opacity:1}}.nb-chat__form{display:flex;align-items:flex-end;gap:0.5rem;padding:0.75rem;border-top:1px solid var(--c-border);background:var(--c-bg)}.nb-chat__input{flex:1;min-width:0;resize:none;max-height:110px;padding:0.65rem 0.85rem;border-radius:12px;border:1px solid var(--c-border);background:rgba(7,8,15,0.6);color:var(--c-text);font:inherit;font-size:0.9rem}.nb-chat__input:focus{outline:none;border-color:var(--c-cyan);box-shadow:0 0 0 3px rgba(34,211,238,0.18)}.nb-chat__send{flex-shrink:0;width:42px;border:none;border-radius:12px;cursor:pointer;color:#fff;background:#004efe;font-size:1.1rem;transition:background 0.2s ease}.nb-chat__send:hover{background:#003ad1}.nb-chat__send:disabled{opacity:0.5;cursor:default}.nb-chat__disclaimer{padding:0 0.75rem 0.6rem;font-size:0.68rem;color:var(--c-muted);text-align:center}@media (prefers-reduced-motion:reduce){.nb-chat.is-open .nb-chat__panel{animation:none}.nb-chat__typing span{animation:none}}.nb-chat__counter{font-size:0.72rem;color:var(--c-muted,#9aa1bd);text-align:right;padding:0 14px 8px;min-height:1em}.nb-chat__counter.is-near{color:#f59e0b}@media (max-width:600px){.nb-chat__panel{position:fixed;inset:0;width:100%;height:100vh;height:100dvh;max-height:none;border:none;border-radius:0;z-index:1200}body.nb-chat-open{overflow:hidden}.nb-chat__input{font-size:16px}}