.spinner{width:40px;height:40px;border:4px solid rgba(255,120,73,.2);border-top:4px solid var(--kurama-orange, #ff7849);border-radius:50%;animation:spin 1s linear infinite;margin:20px auto;box-shadow:0 4px 16px #ff784926}@keyframes spin{0%{transform:rotate(0)}50%{transform:rotate(240deg)}70%{transform:rotate(320deg)}to{transform:rotate(360deg)}}*{margin:0;padding:0;box-sizing:border-box}html,body{overflow:hidden;height:100vh}:root{--kurama-orange: #ff7849;--kurama-dark-orange: #e55a2b;--kurama-red: #e74c3c;--kurama-gold: #f39c12;--kurama-dark: #2c3e50;--kurama-light: #ecf0f1;--glass-bg: rgba(255, 255, 255, .15);--glass-border: rgba(255, 255, 255, .2);--shadow-soft: 0 4px 16px rgba(0, 0, 0, .1);--shadow-strong: 0 4px 16px rgba(255, 120, 73, .15)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,sans-serif;background:linear-gradient(135deg,#f8f9fa,#e9ecef,#dee2e6)!important;background-size:400% 400%;background-attachment:fixed;color:#333;line-height:1.6;min-height:100vh;height:100vh}#root{width:100%;min-height:100vh;display:flex;justify-content:center;align-items:flex-start;padding:0}.app-container{width:100%;max-width:100%;min-height:100vh;background:#fff6;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.3);position:relative}.login-container{padding:2rem 1.5rem;display:flex;flex-direction:column;gap:1.5rem;min-height:100vh;justify-content:center}input[type=text],input[type=password]{width:100%;padding:1rem 1.2rem;border:1px solid rgba(255,255,255,.3);border-radius:12px;font-size:1rem;background:#fff3;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);outline:none;color:var(--kurama-dark);transition:all .3s cubic-bezier(.4,0,.2,1);overflow:visible}input[type=text]::placeholder,input[type=password]::placeholder{color:#2c3e5080}input[type=text]:focus,input[type=password]:focus{border-color:var(--kurama-orange);background:#fff6;box-shadow:0 0 12px #ff784926;transform:translateY(-1px)}.input-error{border-color:var(--kurama-red)!important;background:#d630311a!important;box-shadow:0 0 20px #d630314d!important}.error-message{color:var(--kurama-red);font-size:.85rem;margin-top:.25rem;font-weight:500;text-shadow:0 1px 2px rgba(0,0,0,.1)}.btn{width:100%;padding:1rem;border:none;border-radius:12px;font-size:1rem;font-weight:600;cursor:pointer;margin-top:.5rem;background:linear-gradient(135deg,var(--kurama-orange) 0%,var(--kurama-red) 100%);color:#fff;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:0 2px 8px #ff784933;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}.btn-primary{background:linear-gradient(135deg,var(--kurama-orange) 0%,var(--kurama-red) 100%);color:#fff}.btn-primary:active{transform:translateY(2px) scale(.98);box-shadow:0 4px 16px #ff6b3566}.btn-primary:disabled{background:#fff3;color:#2d343680;cursor:not-allowed;transform:none}.app-header{text-align:center;margin-bottom:2rem;padding:1.5rem;background:#ffffff4d;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.4);border-radius:12px;box-shadow:0 2px 8px #0000000d}.app-title{font-size:2.2rem;font-weight:800;background:linear-gradient(135deg,var(--kurama-orange) 0%,var(--kurama-red) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:.5rem;letter-spacing:-.5px}.app-subtitle{color:var(--kurama-dark);font-size:.95rem;opacity:.7;font-weight:500}.switch-view{text-align:center;margin-top:2rem;padding:1rem;background:var(--glass-bg);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid var(--glass-border);border-radius:12px;color:var(--kurama-dark)}.link-button{background:none;border:none;color:var(--kurama-orange);cursor:pointer;font-weight:600;text-decoration:none;transition:all .3s cubic-bezier(.4,0,.2,1);padding:.5rem 1rem;border-radius:12px}.link-button:active{background:#ff6b351a;transform:scale(.95)}.form-group{display:flex;flex-direction:column;gap:.5rem}.status-message{padding:1rem;border-radius:12px;text-align:center;font-weight:500;margin-top:1rem;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid var(--glass-border);transition:all .3s cubic-bezier(.4,0,.2,1)}.status-success{background:#28a74533;color:#155724;border-color:#28a7454d;box-shadow:0 8px 32px #28a74533}.status-error{background:#d6303133;color:var(--kurama-red);border-color:#d630314d;box-shadow:0 8px 32px #d6303133}@media (min-width: 768px){#root{padding:2rem}.app-container{max-width:400px;border-radius:12px;box-shadow:0 4px 12px #0000001a}.login-container{min-height:auto;padding:3rem 2rem}.home-container{max-width:400px;border-radius:12px;box-shadow:0 4px 12px #0000001a}}.home-container{width:100%;min-height:100vh;background:var(--glass-bg);backdrop-filter:blur(15px);-webkit-backdrop-filter:blur(15px);border:1px solid var(--glass-border);display:flex;flex-direction:column;overflow:hidden}.home-header{padding:1.5rem;background:linear-gradient(135deg,var(--kurama-orange) 0%,var(--kurama-red) 100%);color:#fff;display:flex;justify-content:space-between;align-items:center;box-shadow:0 2px 8px #ff784933;position:relative;border-radius:12px 12px 0 0;overflow:visible}.header-left .app-title{font-size:1.3rem;margin:0;color:#fff;font-weight:800;text-shadow:0 2px 4px rgba(0,0,0,.3)}.welcome-text{font-size:.8rem;opacity:.9;margin:0;font-weight:500}.header-actions{display:flex;align-items:center;gap:.5rem}.clear-history-btn{background:#ffffff26;border:1px solid rgba(255,255,255,.2);color:#fff;width:40px;height:40px;border-radius:12px;font-size:1.1rem;cursor:pointer;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);transition:all .3s cubic-bezier(.4,0,.2,1);display:flex;align-items:center;justify-content:center}.clear-history-btn:active{background:#ff6b3533;transform:translateY(1px) scale(.95)}.logout-btn{background:#fff3;border:1px solid rgba(255,255,255,.3);color:#fff;padding:.6rem 1.2rem;border-radius:12px;font-size:.85rem;font-weight:600;cursor:pointer;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);transition:all .3s cubic-bezier(.4,0,.2,1)}.logout-btn:active{background:#ffffff4d;transform:translateY(1px) scale(.98)}.tab-navigation{display:flex;background:var(--glass-bg);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--glass-border)}.tab-btn{flex:1;padding:1.2rem;border:none;background:none;cursor:pointer;font-weight:600;color:#2d3436b3;border-bottom:3px solid transparent;transition:all .3s cubic-bezier(.4,0,.2,1);position:relative}.tab-btn.active{color:var(--kurama-orange);border-bottom-color:var(--kurama-orange);background:#ff6b351a}.tab-btn:active{transform:scale(.98);background:#ff6b350d}.home-content{flex:1;overflow-y:auto;overflow-x:hidden;background:#f8fafc4d;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);padding-bottom:8rem}.chats-list{padding:1rem;overflow-y:auto;overflow-x:hidden}.chat-item{display:flex;align-items:center;padding:1rem 1.2rem;cursor:pointer;background:#832b0d14;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);margin-bottom:.5rem;border-radius:12px;border:1px solid rgba(255,255,255,.4);transition:all .4s cubic-bezier(.25,.46,.45,.94);box-shadow:0 0 12px #6009ad21}.chat-item:active{transform:translateY(0) scale(.98);background:#ff784914;box-shadow:0 2px 8px #ff78491f}.real-time-chat{border:2px solid 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1.2rem;cursor:pointer;background:#fff9;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);margin-bottom:.5rem;border-radius:12px;border:1px solid rgba(255,255,255,.4);transition:all .4s cubic-bezier(.25,.46,.45,.94);box-shadow:0 2px 12px #0000000a}.friend-item:active{transform:translateY(0) scale(.98);background:#ff784914;box-shadow:0 2px 8px #ff78491f}.friend-info{flex:1;display:flex;flex-direction:column}.friend-info .friend-name{font-weight:600;color:var(--kurama-dark);margin-bottom:.2rem;font-size:1rem;line-height:1.2}.status{font-size:.8rem;font-weight:500;line-height:1.2}.status.online{color:#10b981}.status.offline{color:#2c3e5080}.chat-container{width:100%;height:100vh;display:flex;flex-direction:column;background:var(--glass-bg);backdrop-filter:blur(15px);-webkit-backdrop-filter:blur(15px);overflow:hidden}.chat-header{background:#61618e07;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);color:var(--kurama-dark);padding:1rem 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.status{font-size:.75rem;opacity:.7;font-weight:500;color:#2c3e5099}.chat-actions{display:flex;gap:.5rem}.action-btn{background:#2c3e5014;border:1px solid rgba(44,62,80,.1);color:var(--kurama-dark);width:32px;height:32px;border-radius:12px;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:1rem;transition:all .3s cubic-bezier(.4,0,.2,1)}.action-btn:active{background:#2c3e501f;transform:scale(.95)}.action-btn.clear-history{background:#dc26261a;border:1px solid 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.message-time{color:#2d343699}.message-status{font-size:.8rem;color:var(--kurama-gold)}.message-input-container{background:#ffffff1a;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);padding:1.2rem 1.5rem;border-top:1px solid var(--glass-border);border:1px solid var(--glass-border);margin:.5rem;border-radius:0 0 12px 12px;overflow:visible}.message-form{display:flex;align-items:flex-end;gap:.75rem}.input-wrapper{flex:1;background:#ffffff4d;border-radius:20px;display:flex;align-items:center;padding:.6rem;border:2px solid transparent;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);transition:all .3s cubic-bezier(.4,0,.2,1)}.input-wrapper:focus-within{border-color:var(--kurama-orange);background:#ffffff80;box-shadow:0 0 20px #ff6b3533}.attachment-btn,.emoji-btn{background:none;border:none;padding:.6rem;cursor:pointer;border-radius:12px;font-size:1.1rem;transition:all .3s 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768px){#root{padding:2rem}.app-container{max-width:400px;border-radius:20px;box-shadow:var(--shadow-soft);overflow:hidden}.login-container{min-height:auto;padding:3rem 2rem}.home-container{max-width:400px;border-radius:20px;box-shadow:var(--shadow-soft);overflow:hidden;margin-top:-2rem}.chat-container{height:100vh;max-width:400px;border-radius:20px;overflow:hidden;box-shadow:var(--shadow-soft)}}.loading-container{display:flex;align-items:center;justify-content:center;min-height:300px;padding:2rem}.loading-spinner{text-align:center;color:var(--text-primary)}.spinner{width:40px;height:40px;border:3px solid rgba(255,120,73,.2);border-top:3px solid var(--kurama-orange);border-radius:50%;animation:spin 1s linear infinite;margin:0 auto 1rem}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.loading-dots{display:inline-flex;gap:.5rem;margin-bottom:1rem}.loading-dots span{width:8px;height:8px;border-radius:50%;background:var(--kurama-orange);animation:bounce 1.4s ease-in-out infinite both;font-size:2rem;line-height:1}.loading-dots span:nth-child(1){animation-delay:-.32s}.loading-dots span:nth-child(2){animation-delay:-.16s}.loading-dots span:nth-child(3){animation-delay:0s}@keyframes bounce{0%,80%,to{transform:scale(.8);opacity:.5}40%{transform:scale(1);opacity:1}}@keyframes backgroundAnimation{0%{background-position:0% 50%;transform:scale(1)}50%{background-position:100% 50%;transform:scale(1.01)}to{background-position:0% 50%;transform:scale(1)}}