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float{0%,to{transform:translateY(0)}50%{transform:translateY(-12px)}}@keyframes float-sm{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}@keyframes spin-slow{to{transform:rotate(360deg)}}@keyframes msg-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes typing-dot{0%,60%,to{opacity:.5;transform:translateY(0)}30%{opacity:1;transform:translateY(-5px)}}@keyframes blink{50%{opacity:0}}@keyframes spinner{to{transform:rotate(360deg)}}.pulse-dot{background:var(--color-primary-2);border-radius:99px;width:8px;height:8px;animation:2s infinite pulse-ring;box-shadow:0 0 #58e5edb3}.pulse-dot-green{background:#6ed274;border-radius:99px;width:7px;height:7px;animation:1.8s infinite pulse-ring-green;box-shadow:0 0 #6ed274b3}.float-anim{animation:8s ease-in-out infinite float}.float-sm-anim{animation:7s ease-in-out infinite float-sm}.spin-anim{animation:60s linear infinite spin-slow}.spin-anim.reverse{animation-duration:90s;animation-direction:reverse}.btn-grad{background:var(--grad);color:var(--on-grad);font-weight:700;transition:transform .15s,box-shadow .15s;box-shadow:0 14px 34px -10px #34d1f98c}[data-theme=light] .btn-grad{box-shadow:0 10px 26px -12px #007bab80;box-shadow:0 10px 26px -12px oklch(55% .16 235/.5)}.btn-grad:hover{transform:translateY(-2px)}.btn-grad:disabled{opacity:.6;cursor:not-allowed}.btn-ghost{background:oklch(from var(--color-surface) l c h / .6);border:1px solid var(--color-line);color:var(--color-text);transition:border-color .2s}.btn-ghost:hover{border-color:var(--color-primary)}.arrow-rtl{transition:transform .2s;display:inline-block;transform:scaleX(-1)}.group:hover .arrow-rtl,.btn-grad:hover .arrow-rtl{transform:scaleX(-1)translate(-3px)}.chat-scroll::-webkit-scrollbar{width:8px}.chat-scroll::-webkit-scrollbar-thumb{background:oklch(from var(--color-line-base) l c h / 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