.chat-input-shell{position:relative;border-radius:18px;padding:2px;background:linear-gradient(135deg,#38bdf859,#082f494d);box-shadow:0 2px 8px -2px #0009,0 0 0 1px #94a3b826,0 0 18px -4px #0ea5e959;backdrop-filter:blur(14px) saturate(160%);-webkit-backdrop-filter:blur(14px) saturate(160%);transition:box-shadow .35s ease,transform .35s ease}.chat-input-shell:focus-within{box-shadow:0 4px 18px -2px #0ea5e9a6,0 0 0 1px #38bdf899,0 0 28px -4px #38bdf88c;transform:translateY(-1px)}.chat-input-surface{display:flex;align-items:flex-end;gap:.5rem;padding:.85rem 1rem;border-radius:16px;background:linear-gradient(145deg,#0f172ad9,#082f498c);position:relative;min-height:52px}.chat-textarea{flex:1;background:transparent;color:#e2e8f0;resize:none;border:none;outline:none;font-size:.95rem;line-height:1.35rem;max-height:180px;padding:18px 0 6px}.chat-textarea::placeholder{color:transparent}.placeholder-layer{position:absolute;top:12px;left:16px;pointer-events:none;font-size:.83rem;letter-spacing:.2px;color:#64748b;display:flex;align-items:center;gap:6px;max-width:calc(100% - 140px);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.placeholder-rotator{opacity:0;animation:phFade .75s ease forwards}@keyframes phFade{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}.icon-btn{position:relative;width:42px;height:42px;flex-shrink:0;display:flex;align-items:center;justify-content:center;border-radius:14px;background:radial-gradient(circle at 30% 25%,#38bdf847,#0f172a8c);color:#94a3b8;border:1px solid rgba(51,65,85,.6);backdrop-filter:blur(9px);-webkit-backdrop-filter:blur(9px);transition:background .35s ease,color .35s ease,transform .35s ease,box-shadow .35s ease;cursor:pointer}.icon-btn:hover{color:#e0f2fe;background:radial-gradient(circle at 30% 25%,#38bdf873,#0f172aa6);box-shadow:0 0 0 1px #38bdf880,0 4px 16px -2px #38bdf866;transform:translateY(-2px)}.icon-btn:active{transform:translateY(0)}.icon-btn[disabled]{opacity:.45;cursor:not-allowed;filter:grayscale(.4)}.icon-btn.recording{color:#f87171;background:radial-gradient(circle at 35% 30%,#f8717166,#8813378c);box-shadow:0 0 0 1px #f871718c,0 0 18px -2px #f87171b3;animation:pulseRec 1.4s ease-in-out infinite}@keyframes pulseRec{0%,to{box-shadow:0 0 0 1px #f871718c,0 0 14px -2px #f87171b3}50%{box-shadow:0 0 0 1px #f871718c,0 0 26px #f87171d9}}.send-btn{position:relative;width:52px;height:52px;border-radius:18px;background:linear-gradient(135deg,#0ea5e9,#06b6d4 55%,#0891b2);display:flex;align-items:center;justify-content:center;color:#fff;font-size:1rem;border:1px solid rgba(255,255,255,.15);box-shadow:0 6px 20px -5px #06b6d48c,0 2px 6px -2px #0ea5e973;overflow:hidden;transition:transform .45s cubic-bezier(.34,1.56,.64,1),box-shadow .45s ease;cursor:pointer}.send-btn:hover{transform:translateY(-3px) scale(1.04);box-shadow:0 10px 28px -4px #06b6d4a6,0 4px 10px -2px #0ea5e98c}.send-btn:active{transform:translateY(0) scale(.98)}.send-btn[disabled]{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}.send-btn:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(115deg,#ffffff59,#ffffff0d 40%,#fff0);mix-blend-mode:overlay;opacity:.35;pointer-events:none}.spinner{width:24px;height:24px;border-radius:50%;border:3px solid rgba(255,255,255,.38);border-top-color:#fff;animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@keyframes spinSlow{to{transform:rotate(360deg)}}.animate-spin-slow{animation:spinSlow 18s linear infinite}@keyframes pulseFast{0%,to{opacity:.55;transform:scale(1)}50%{opacity:.95;transform:scale(1.05)}}.animate-pulse-fast{animation:pulseFast 3.4s ease-in-out infinite}@keyframes fluid{0%{transform:translateY(0) rotate(0) scale(1);filter:hue-rotate(0deg) brightness(1)}25%{transform:translateY(-3%) rotate(6deg) scale(1.04)}50%{transform:translateY(2%) rotate(-4deg) scale(.97);filter:hue-rotate(25deg) brightness(1.05)}75%{transform:translateY(-2%) rotate(3deg) scale(1.02)}to{transform:translateY(0) rotate(0) scale(1);filter:hue-rotate(0deg) brightness(1)}}.animate-fluid-mask{animation:fluid 9s ease-in-out infinite}.hide-scrollbar{scrollbar-width:none;-ms-overflow-style:none}.hide-scrollbar::-webkit-scrollbar{display:none}