.navbar{background:linear-gradient(90deg,#0f3460 0%,#1a1a2e 100%);height:70px;display:flex;justify-content:center;align-items:center;font-size:1.1rem;position:sticky;top:0;z-index:999;box-shadow:0 2px 10px #0000004d;border-bottom:2px solid #e94560}.navbar-container{display:flex;justify-content:space-between;align-items:center;width:100%;max-width:1200px;padding:0 20px}.navbar-logo{color:#e94560;cursor:pointer;text-decoration:none;font-size:1.8rem;font-weight:700;display:flex;align-items:center;gap:10px;transition:all .3s ease}.navbar-logo:hover{color:#ff6b7a;transform:scale(1.05)}.logo-icon{font-size:2rem}.nav-menu{display:flex;list-style:none;text-align:center;gap:30px}.nav-item{height:70px;display:flex;align-items:center}.nav-link{color:#e0e0e0;text-decoration:none;padding:.5rem 1rem;height:100%;display:flex;align-items:center;transition:all .3s ease;border-bottom:3px solid transparent}.nav-link:hover{color:#e94560;border-bottom-color:#e94560}@media screen and (max-width: 768px){.navbar-container{flex-direction:column;gap:10px}.nav-menu{gap:15px;margin-top:10px}.navbar-logo{font-size:1.5rem}}.btn{border:none;border-radius:6px;font-weight:600;cursor:pointer;transition:all .3s ease;display:inline-flex;align-items:center;justify-content:center;gap:8px}.btn:hover{transform:translateY(-2px);box-shadow:0 4px 12px #0000004d}.btn:active{transform:translateY(0)}.btn-primary{background:linear-gradient(135deg,#e94560 0%,#ff6b7a 100%);color:#fff}.btn-primary:hover{box-shadow:0 4px 12px #e9456066}.btn-secondary{background:#0f3460;color:#e0e0e0;border:1px solid #0f3460}.btn-secondary:hover{background:#16213e;border-color:#e94560;color:#e94560}.btn-success{background:linear-gradient(135deg,#06d6a0 0%,#118ab2 100%);color:#fff}.btn-success:hover{box-shadow:0 4px 12px #06d6a066}.btn-sm{padding:6px 12px;font-size:.875rem}.btn-md{padding:10px 20px;font-size:1rem}.btn-lg{padding:14px 28px;font-size:1.1rem}.home-page{min-height:calc(100vh - 70px);padding:0}.hero-section{display:flex;align-items:center;justify-content:space-between;max-width:1200px;margin:0 auto;padding:80px 20px;gap:50px;flex-wrap:wrap}.hero-content{flex:1;min-width:300px}.hero-title{font-size:3.5rem;font-weight:800;background:linear-gradient(135deg,#e94560 0%,#ff6b7a 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:20px;line-height:1.2}.hero-subtitle{font-size:1.5rem;color:#06d6a0;margin-bottom:20px;font-weight:600}.hero-description{font-size:1.1rem;color:#b0b0b0;margin-bottom:30px;line-height:1.6}.hero-illustration{flex:1;min-width:300px;position:relative;height:400px}.chat-bubble{position:absolute;padding:15px 20px;border-radius:12px;font-weight:500;animation:float 3s ease-in-out infinite}.bubble-1{background:linear-gradient(135deg,#e94560 0%,#ff6b7a 100%);color:#fff;top:20px;left:0;animation-delay:0s}.bubble-2{background:#0f3460;color:#e0e0e0;top:150px;right:0;border:1px solid #0f3460;animation-delay:.5s}.bubble-3{background:linear-gradient(135deg,#06d6a0 0%,#118ab2 100%);color:#fff;bottom:50px;left:50px;animation-delay:1s}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-20px)}}.features-section{max-width:1200px;margin:0 auto;padding:80px 20px;background:rgba(15,52,96,.3);border-radius:20px}.section-title{font-size:2.5rem;font-weight:700;text-align:center;margin-bottom:60px;color:#e0e0e0}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:30px}.feature-card{background:linear-gradient(135deg,#0f3460 0%,#16213e 100%);padding:30px;border-radius:12px;text-align:center;border:1px solid rgba(233,69,96,.2);transition:all .3s ease;cursor:pointer}.feature-card:hover{transform:translateY(-10px);border-color:#e94560;box-shadow:0 10px 30px #e9456033}.feature-icon{font-size:3rem;margin-bottom:15px}.feature-card h3{font-size:1.3rem;margin-bottom:10px;color:#e0e0e0}.feature-card p{color:#a0a0a0;line-height:1.6}.cta-section{max-width:1200px;margin:0 auto;padding:80px 20px;text-align:center}.cta-section h2{font-size:2.5rem;margin-bottom:15px;background:linear-gradient(135deg,#e94560 0%,#ff6b7a 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.cta-section p{font-size:1.1rem;color:#a0a0a0;margin-bottom:30px}@media screen and (max-width: 768px){.hero-section{padding:40px 20px;gap:30px}.hero-title{font-size:2.5rem}.hero-subtitle{font-size:1.2rem}.hero-illustration{height:300px}.features-section{padding:40px 20px}.section-title{font-size:2rem;margin-bottom:40px}.features-grid{grid-template-columns:1fr;gap:20px}.cta-section{padding:40px 20px}.cta-section h2{font-size:2rem}}.chatbox-container{display:flex;flex-direction:column;height:600px;background:#0f3460;border-radius:10px;overflow:hidden;box-shadow:0 4px 20px #0000004d}.chat-messages{flex:1;overflow-y:auto;padding:20px;display:flex;flex-direction:column;gap:15px}.message{display:flex;animation:slideIn .3s ease}@keyframes slideIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.message.user{justify-content:flex-end}.message.other{justify-content:flex-start}.message-content{max-width:70%;padding:12px 16px;border-radius:12px;word-wrap:break-word}.message.user .message-content{background:linear-gradient(135deg,#e94560 0%,#ff6b7a 100%);color:#fff}.message.other .message-content{background:#1a1a2e;border:1px solid #0f3460;color:#e0e0e0}.timestamp{font-size:.75rem;opacity:.7;margin-top:5px;display:block}.chat-input-area{padding:15px;background:#0a1f2e;border-top:1px solid #0f3460;display:flex;gap:10px;align-items:flex-end}.chat-input-area textarea{flex:1;resize:none;padding:10px;background:#16213e;color:#e0e0e0;border:1px solid #0f3460}.chat-input-area textarea:focus{border-color:#e94560;box-shadow:0 0 8px #e945604d}.send-btn{padding:10px 20px;background:linear-gradient(135deg,#e94560 0%,#ff6b7a 100%);color:#fff;font-weight:700;border:none;border-radius:6px;cursor:pointer;transition:all .3s ease;white-space:nowrap}.send-btn:hover{transform:translateY(-2px);box-shadow:0 4px 12px #e9456066}.send-btn:active{transform:translateY(0)}.chat-page{min-height:calc(100vh - 70px);padding:40px 20px;background:linear-gradient(135deg,#1a1a2e 0%,#16213e 100%)}.chat-container{max-width:900px;margin:0 auto}.connection-form{background:linear-gradient(135deg,#0f3460 0%,#16213e 100%);padding:60px 40px;border-radius:15px;text-align:center;box-shadow:0 8px 32px #0000004d;border:1px solid rgba(233,69,96,.2)}.page-title{font-size:2.5rem;margin-bottom:10px;background:linear-gradient(135deg,#e94560 0%,#ff6b7a 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.page-subtitle{font-size:1.1rem;color:#a0a0a0;margin-bottom:40px}.form-group{position:relative;margin-bottom:30px}.username-input{width:100%;padding:15px 20px;font-size:1.1rem;background:#0a1f2e;border:2px solid #0f3460;border-radius:8px;color:#e0e0e0;transition:all .3s ease}.username-input:focus{border-color:#e94560;box-shadow:0 0 12px #e945604d;outline:none}.char-count{position:absolute;right:15px;top:50%;transform:translateY(-50%);font-size:.9rem;color:#707070}.chat-wrapper{display:flex;flex-direction:column;gap:20px}.chat-header{display:flex;justify-content:space-between;align-items:center;padding:20px;background:linear-gradient(135deg,#0f3460 0%,#16213e 100%);border-radius:10px;border:1px solid rgba(233,69,96,.2)}.user-info{display:flex;align-items:center;gap:12px}.online-status{font-size:1.2rem;animation:pulse 2s infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.6}}.connected-username{font-size:1.2rem;font-weight:600;color:#e0e0e0}@media screen and (max-width: 768px){.chat-page{padding:20px 10px}.connection-form{padding:40px 20px}.page-title{font-size:2rem}.chat-header{flex-direction:column;gap:15px;align-items:flex-start}}.profile-page{min-height:calc(100vh - 70px);padding:40px 20px;background:linear-gradient(135deg,#1a1a2e 0%,#16213e 100%)}.profile-container{max-width:800px;margin:0 auto}.page-title{font-size:2.5rem;margin-bottom:40px;text-align:center;background:linear-gradient(135deg,#e94560 0%,#ff6b7a 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.profile-card{background:linear-gradient(135deg,#0f3460 0%,#16213e 100%);border:1px solid rgba(233,69,96,.2);border-radius:15px;padding:40px;margin-bottom:30px;box-shadow:0 8px 32px #0000004d}.profile-header{display:flex;align-items:center;gap:30px;margin-bottom:40px;padding-bottom:30px;border-bottom:2px solid rgba(233,69,96,.2)}.profile-avatar{font-size:5rem;background:linear-gradient(135deg,#e94560 0%,#ff6b7a 100%);width:120px;height:120px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0}.profile-info{flex:1}.profile-name{font-size:2rem;color:#e0e0e0;margin-bottom:10px}.profile-status{font-size:1rem;color:#06d6a0;font-weight:500}.edit-input{width:100%;padding:10px;font-size:1.5rem;background:#0a1f2e;border:2px solid #e94560;border-radius:6px;color:#e0e0e0}.profile-section{margin-bottom:30px}.profile-section h3{font-size:1.3rem;color:#e0e0e0;margin-bottom:15px;text-transform:uppercase;letter-spacing:1px;color:#e94560}.profile-section p{color:#a0a0a0;line-height:1.6}.edit-textarea{width:100%;padding:12px;background:#0a1f2e;border:2px solid #e94560;border-radius:6px;color:#e0e0e0;font-family:inherit}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:20px;margin:30px 0}.stat-card{background:#0a1f2e;padding:20px;border-radius:10px;text-align:center;border:1px solid rgba(233,69,96,.2)}.stat-number{font-size:2rem;font-weight:700;color:#e94560;margin-bottom:10px}.stat-label{font-size:.9rem;color:#707070;text-transform:uppercase;letter-spacing:.5px}.setting-item{padding:12px 0;border-bottom:1px solid rgba(233,69,96,.1)}.setting-item:last-child{border-bottom:none}.setting-item label{display:flex;align-items:center;gap:12px;cursor:pointer;color:#a0a0a0;transition:color .3s ease}.setting-item label:hover{color:#e0e0e0}.setting-item input[type=checkbox]{width:18px;height:18px;cursor:pointer}.profile-actions{display:flex;gap:15px;margin-top:30px;padding-top:30px;border-top:2px solid rgba(233,69,96,.2)}.profile-actions button{flex:1}.danger-zone{background:rgba(233,69,96,.1);border:2px solid rgba(233,69,96,.3);border-radius:10px;padding:20px;text-align:center}.danger-zone h3{color:#ff6b7a;margin-bottom:10px}.danger-zone p{color:#a0a0a0;margin-bottom:20px}@media screen and (max-width: 768px){.profile-page{padding:20px 10px}.profile-container{max-width:100%}.profile-card{padding:20px}.page-title{font-size:2rem}.profile-header{flex-direction:column;text-align:center}.profile-avatar{width:100px;height:100px;font-size:4rem}.profile-name{font-size:1.5rem}.stats-grid{grid-template-columns:1fr;gap:15px}.profile-actions{flex-direction:column}}.app-container{min-height:calc(100vh - 70px);padding-top:70px}main{padding:2rem 0}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;background:linear-gradient(135deg,#1a1a2e 0%,#16213e 100%);color:#e0e0e0;min-height:100vh}html{scroll-behavior:smooth}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:#16213e}::-webkit-scrollbar-thumb{background:#0f3460;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#0a1f2e}button{cursor:pointer;border:none;border-radius:6px;font-size:1rem;transition:all .3s ease}button:active{transform:scale(.98)}input,textarea{font-family:inherit;border-radius:6px;border:1px solid #0f3460;background:#0f3460;color:#e0e0e0;padding:10px;transition:all .3s ease}input:focus,textarea:focus{outline:none;border-color:#e94560;box-shadow:0 0 8px #e945604d}.container{max-width:1200px;margin:0 auto;padding:0 20px}.text-center{text-align:center}.mt-1{margin-top:.5rem}.mt-2{margin-top:1rem}.mt-3{margin-top:1.5rem}.mt-4{margin-top:2rem}.mb-1{margin-bottom:.5rem}.mb-2{margin-bottom:1rem}.mb-3{margin-bottom:1.5rem}.mb-4{margin-bottom:2rem}.p-1{padding:.5rem}.p-2{padding:1rem}.p-3{padding:1.5rem}.p-4{padding:2rem}