:root{--bg-gradient: linear-gradient(135deg, #fff0e8 0%, #fce4ec 30%, #f3e5f5 60%, #e3f2fd 100%);--text-primary: #2d1b1b;--text-secondary: #6b4f4f;--surface: rgba(255,255,255,.7);--surface-solid: #ffffff;--bubble-me: linear-gradient(135deg, #ff6b6b, #ff8e8e);--bubble-partner: linear-gradient(135deg, #f5f5f5, #ebebeb);--input-bg: rgba(255,255,255,.8);--accent: #ff6b6b;--accent-hover: #e05555;--accent-secondary: #7c4dff;--shadow-sm: 0 1px 4px rgba(0,0,0,.06);--shadow-md: 0 4px 20px rgba(0,0,0,.08);--shadow-lg: 0 8px 32px rgba(0,0,0,.1);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 20px;--radius-full: 50%}.dark-mode{--bg-gradient: linear-gradient(135deg, #0d0d1a 0%, #1a1a2e 30%, #16213e 60%, #0d0d1a 100%);--text-primary: #e8e0e0;--text-secondary: #a89090;--surface: rgba(255,255,255,.05);--surface-solid: #1e1e2e;--bubble-me: linear-gradient(135deg, #7c4dff, #9c6dff);--bubble-partner: linear-gradient(135deg, #2a2a3e, #35354a);--input-bg: rgba(255,255,255,.08);--accent: #b388ff;--accent-hover: #d0b0ff;--accent-secondary: #ff8a8a;--shadow-sm: 0 1px 4px rgba(0,0,0,.15);--shadow-md: 0 4px 20px rgba(0,0,0,.25);--shadow-lg: 0 8px 32px rgba(0,0,0,.3)}body{margin:0;font-family:Inter,sans-serif;background:var(--bg-gradient);background-size:400% 400%;color:var(--text-primary);transition:background 1s ease-in-out,color .3s ease}body:not(.dark-mode){animation:moveBg 18s ease infinite}body.dark-mode{animation:darkWave 14s ease-in-out infinite}@keyframes moveBg{0%{background-position:0% 50%}50%{background-position:100% 50%}to{background-position:0% 50%}}@keyframes darkWave{0%{background-position:0% 50%;filter:brightness(1)}50%{background-position:100% 50%;filter:brightness(1.15)}to{background-position:0% 50%;filter:brightness(1)}}.modal-overlay{position:fixed;top:0;left:0;width:100vw;height:100vh;background:#00000080;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:9999}.modal-container{background:var(--surface-solid);padding:clamp(24px,4vw,40px);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);text-align:center;width:min(360px,90vw);animation:fadeIn .3s ease}.modal-container h2{margin:0 0 8px;font-size:1.5rem;color:var(--text-primary);font-weight:600}.modal-container p{color:var(--text-secondary);font-size:.9rem;margin:0 0 20px}.modal-input{width:100%;padding:12px 14px;font-size:1rem;font-family:inherit;border-radius:var(--radius-sm);border:1.5px solid transparent;background:var(--input-bg);color:var(--text-primary);margin-bottom:16px;outline:none;box-sizing:border-box;transition:border-color .2s ease,box-shadow .2s ease}.modal-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px #ff6b6b26}.dark-mode .modal-input:focus{box-shadow:0 0 0 3px #b388ff33}.modal-button{background:var(--accent);color:#fff;border:none;padding:12px 24px;border-radius:var(--radius-sm);cursor:pointer;font-size:1rem;font-weight:600;font-family:inherit;width:100%;transition:all .2s ease}.modal-button:hover{background:var(--accent-hover);transform:translateY(-1px);box-shadow:var(--shadow-md)}.modal-button:active{transform:translateY(0)}@keyframes fadeIn{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}@keyframes slideInRight{0%{opacity:0;transform:translate(20px)}to{opacity:1;transform:translate(0)}}@keyframes slideInLeft{0%{opacity:0;transform:translate(-20px)}to{opacity:1;transform:translate(0)}}#root{margin:0;padding:0;text-align:center}.main-container{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;gap:2rem;padding:3rem 1rem;box-sizing:border-box}h1{font-size:clamp(2rem,5vw,3.5rem);font-weight:700;margin:0;background:linear-gradient(135deg,var(--accent),var(--accent-secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.subtitle{font-size:clamp(.95rem,2vw,1.15rem);color:var(--text-secondary);max-width:500px;line-height:1.6;margin:0}.theme-toggle{position:fixed;top:20px;right:20px;background:var(--surface);border:none;font-size:1.3rem;cursor:pointer;color:var(--text-primary);width:44px;height:44px;border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;transition:all .3s ease;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:100}.theme-toggle:hover{background:var(--surface-solid);box-shadow:var(--shadow-md);transform:scale(1.05)}.logo-container{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:clamp(1.5rem,4vw,3rem);max-width:900px;margin:1rem 0}.logo-container img{width:clamp(100px,18vw,150px);height:auto;transition:transform .35s cubic-bezier(.34,1.56,.64,1),filter .3s ease;cursor:pointer;border-radius:var(--radius-sm)}.logo-container img:hover{transform:scale(1.12) translateY(-6px);filter:brightness(1.1) drop-shadow(0 8px 16px rgba(0,0,0,.1))}.logo-container img{animation:fadeInUp .5s ease backwards}.logo-container img:nth-child(1){animation-delay:.05s}.logo-container img:nth-child(2){animation-delay:.1s}.logo-container img:nth-child(3){animation-delay:.15s}.logo-container img:nth-child(4){animation-delay:.2s}.logo-container img:nth-child(5){animation-delay:.25s}.logo-container img:nth-child(6){animation-delay:.3s}@media (max-width: 640px){.main-container{gap:1.5rem;padding:2rem 1rem}.theme-toggle{top:12px;right:12px;width:40px;height:40px;font-size:1.1rem}.logo-container{gap:1.2rem}}@media (max-width: 400px){.logo-container{gap:1rem}}.chat-container{display:flex;flex-direction:column;height:100vh;width:100%}.chat-header{display:flex;justify-content:center;align-items:center;text-align:center;padding:.75rem 1rem;background:var(--surface);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);box-shadow:var(--shadow-sm);flex-shrink:0;gap:.75rem;position:sticky;top:0;z-index:10}.chat-header img{width:clamp(36px,7vw,52px);height:auto;border-radius:var(--radius-sm)}.chat-header h1{font-size:clamp(1rem,3vw,1.3rem);font-weight:600;background:none;-webkit-text-fill-color:var(--text-primary);background-clip:unset;margin:0}.partner,.partner-left,.status{font-size:.85rem;color:var(--text-secondary)}.chat-box{flex:1;display:flex;flex-direction:column;gap:8px;padding:20px clamp(.8rem,3vw,1.5rem);max-width:900px;width:100%;margin:0 auto 130px;overflow-y:auto;box-sizing:border-box}.message{animation:fadeInUp .3s ease backwards}.message.system{text-align:center;color:var(--text-secondary);font-size:.9rem;padding:.5rem;margin-top:1rem}.message.me{align-self:flex-end;background:var(--bubble-me);border-radius:var(--radius-lg) var(--radius-lg) 4px var(--radius-lg);padding:10px 16px;max-width:min(75%,500px);word-wrap:break-word;box-shadow:var(--shadow-sm);color:#fff}.message.partner{align-self:flex-start;background:var(--bubble-partner);border-radius:var(--radius-lg) var(--radius-lg) var(--radius-lg) 4px;padding:10px 16px;max-width:min(75%,500px);word-wrap:break-word;box-shadow:var(--shadow-sm);color:var(--text-primary)}.message strong{display:block;font-size:.75rem;font-weight:600;margin-bottom:2px;opacity:.75;text-transform:uppercase;letter-spacing:.03em}.message.me strong{color:#ffffffd9}.message.partner strong{color:var(--text-secondary)}.chat-controls{position:fixed;bottom:0;left:0;right:0;display:flex;flex-direction:column;align-items:center;gap:8px;padding:12px clamp(.8rem,3vw,1.5rem);padding-bottom:max(12px,env(safe-area-inset-bottom));background:var(--surface);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);box-shadow:0 -2px 12px #0000000f;z-index:10}.chat-form{display:flex;align-items:center;gap:.5rem;width:100%;max-width:700px}.chat-form input{flex:1;height:44px;border-radius:var(--radius-md);border:1.5px solid transparent;background:var(--input-bg);color:var(--text-primary);padding:0 14px;outline:none;font-size:1rem;font-family:inherit;min-width:0;transition:border-color .2s ease,box-shadow .2s ease}.chat-form input:focus{border-color:var(--accent);box-shadow:0 0 0 3px #ff6b6b26}.dark-mode .chat-form input:focus{box-shadow:0 0 0 3px #b388ff33}.chat-form button{height:44px;min-width:72px;border-radius:var(--radius-md);background:var(--accent);color:#fff;border:none;cursor:pointer;font-size:.9rem;font-weight:600;padding:0 18px;transition:all .2s ease;flex-shrink:0;font-family:inherit}.chat-form button:hover{background:var(--accent-hover);transform:scale(1.02)}.chat-form button:active{transform:scale(.98)}.chat-actions{display:flex;gap:8px;justify-content:center;align-items:center;width:100%;max-width:400px}.leave-link,.chat-actions button{flex:1;height:40px;border-radius:var(--radius-md);background:var(--surface-solid);color:var(--text-primary);border:1.5px solid transparent;cursor:pointer;text-decoration:none;display:flex;align-items:center;justify-content:center;font-size:.85rem;font-weight:500;transition:all .2s ease;font-family:inherit}.chat-actions button{background:var(--surface);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-color:transparent}.chat-actions button:hover,.leave-link:hover{background:var(--surface-solid);border-color:#80808026;box-shadow:var(--shadow-sm)}.loading-dots{display:flex;gap:5px;align-items:center;justify-content:center}.loading-dots span{width:8px;height:8px;background:var(--accent);border-radius:50%;animation:bounceDot 1.2s infinite}.loading-dots span:nth-child(2){animation-delay:.2s}.loading-dots span:nth-child(3){animation-delay:.4s}@keyframes bounceDot{0%,80%,to{transform:scale(.5);opacity:.4}40%{transform:scale(1);opacity:1}}.fade-out{opacity:0;transition:opacity .3s ease}@media (max-width: 768px){.chat-box{padding:15px clamp(.6rem,2vw,1rem);margin-bottom:120px}.message.me,.message.partner{max-width:min(88%,400px);font-size:.95rem}.chat-controls{padding:10px clamp(.6rem,2vw,1rem)}}@media (max-width: 480px){.chat-box{margin-bottom:110px}.chat-form input{font-size:16px}.chat-form button{min-width:60px;font-size:.85rem;padding:0 14px}.message.me,.message.partner{max-width:92%;font-size:.9rem;padding:8px 14px}.leave-link,.chat-actions button{height:36px;font-size:.8rem}}