@import "https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;600;700;800&display=swap";:root{--app-height:100dvh;--app-offset-top:env(safe-area-inset-top);--primary-grad:linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);--chat-bg:#f8fafc;--text-dark:#0f172a}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}body{background:#fff;width:100vw;margin:0;font-family:Plus Jakarta Sans,sans-serif;overflow:hidden}.app-shell{height:var(--app-height);padding-top:var(--app-offset-top);position:relative;overflow:hidden}.loading-screen{z-index:9999;background:#fff;flex-direction:column;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.loader{border:4px solid #f3f3f3;border-top-color:#3b82f6;border-radius:50%;width:45px;height:45px;animation:1s linear infinite spin}.loading-text{color:#64748b;margin-top:15px;font-weight:600}@keyframes spin{to{transform:rotate(360deg)}}.welcome-page{background:var(--primary-grad);color:#fff;text-align:center;z-index:100;flex-direction:column;justify-content:center;align-items:center;padding:20px;display:flex;position:absolute;inset:0}.bot-welcome-img{filter:drop-shadow(0 15px 30px #00000040);will-change:transform;width:clamp(150px,45vw,210px);height:auto;margin-bottom:5px}.robot-wrapper{will-change:transform, opacity;animation:.45s ease-out both robotIntro,3.5s ease-in-out .5s infinite floatRobot}.welcome-page h1{letter-spacing:-.04em;margin:0;font-size:clamp(2.2rem,8vw,3rem);font-weight:800}.welcome-page p{opacity:.85;max-width:320px;margin:10px 0 35px;font-size:1rem;line-height:1.4}.start-btn{color:#1e40af;cursor:pointer;background:#fff;border:none;border-radius:50px;padding:14px 40px;font-weight:700;box-shadow:0 10px 20px #00000026}.start-btn:active{transform:scale(.95)}.main-chat-layout{background:#fff;flex-direction:column;width:100%;height:100%;display:flex}.chat-header{background:var(--primary-grad);color:#fff;flex-shrink:0;align-items:center;gap:12px;width:100%;padding:15px 20px;display:flex}.bot-header-img{flex-shrink:0;width:38px;height:38px}.chat-header h2{margin:0;font-size:1.1rem;font-weight:700}.status{opacity:.9;align-items:center;gap:6px;font-size:.75rem;display:flex}.dot{background:#22c55e;border-radius:50%;width:8px;height:8px;position:relative}.dot:after{content:"";z-index:-1;background:#22c55e;border-radius:50%;animation:1.8s infinite pulse-green;position:absolute;inset:0}.chat-window{background:#f1f5f9;flex-direction:column;flex:1;gap:12px;padding:20px;display:flex;overflow-y:auto}.msg{white-space:pre-wrap;word-break:break-word;border-radius:18px;max-width:80%;padding:12px 16px;font-size:.95rem;line-height:1.5;animation:.25s fadeInUp}.msg strong{color:inherit;font-weight:800}.bot{background:#fff;border:1px solid #e5e7eb;border-bottom-left-radius:6px;align-self:flex-start}.user{color:#fff;background:#2563eb;border-bottom-right-radius:6px;align-self:flex-end}.footer{background:#fff;border-top:1px solid #e2e8f0;flex-shrink:0;padding:12px 20px}.input-box{background:#f1f5f9;border-radius:20px;align-items:flex-end;padding:6px 10px;display:flex}textarea{resize:none;background:0 0;border:none;outline:none;flex:1;max-height:120px;padding:10px;font-family:inherit;font-size:15px;line-height:1.4}textarea::placeholder{color:#94a3b8}.send-btn{color:#fff;cursor:pointer;background:#cbd5e1;border:none;border-radius:50%;justify-content:center;align-items:center;width:42px;height:42px;display:flex}.send-btn.active{background:#2563eb;transform:scale(1.05)}@keyframes robotIntro{0%{opacity:0;transform:translateY(18px)scale(.92)}to{opacity:1;transform:translate(0,0)scale(1)}}@keyframes floatRobot{0%{transform:translateY(0)}50%{transform:translateY(-12px)}to{transform:translateY(0)}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse-green{0%{opacity:.8;transform:scale(.8)}70%{opacity:0;transform:scale(2.2)}to{opacity:0}}.typing-indicator{align-items:center;gap:4px;display:flex}.typing-indicator span{background:#94a3b8;border-radius:50%;width:6px;height:6px;animation:1.2s ease-in-out infinite typingBounce}.typing-indicator span:nth-child(2){animation-delay:.2s}.typing-indicator span:nth-child(3){animation-delay:.4s}@keyframes typingBounce{0%,80%,to{transform:scale(0)}40%{transform:scale(1)}}.zoom-in{animation:.7s zoomIn}.fade-in{animation:.5s fadeIn}.slide-up{opacity:0;animation:.6s forwards slideUp}.slide-right{opacity:0;animation:.5s forwards slideRight}@keyframes zoomIn{0%{opacity:0;transform:scale(.6)}to{opacity:1;transform:scale(1)}}@keyframes slideUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes slideRight{0%{opacity:0;transform:translate(-20px)}to{opacity:1;transform:translate(0)}}@media (width<=600px){.welcome-page{padding:40px 25px}.bot-welcome-img{width:170px}.start-btn{min-width:180px;padding:14px 30px}.msg{max-width:90%}}.options-wrapper{flex-wrap:wrap;align-self:flex-start;gap:10px;width:100%;padding:5px 0 15px;display:flex}.option-btn{color:#1e40af;cursor:pointer;background:#fff;border:2px solid #e2e8f0;border-radius:25px;outline:none;padding:10px 18px;font-size:.9rem;font-weight:700;transition:all .25s cubic-bezier(.4,0,.2,1);animation:.4s forwards fadeInUp;box-shadow:0 2px 4px #0000000d}.option-btn:hover{background:#eff6ff;border-color:#3b82f6;transform:translateY(-2px);box-shadow:0 4px 8px #3b82f626}.option-btn:active{transform:scale(.96)}.msg-group{flex-direction:column;gap:8px;width:100%;display:flex}