:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:transparent;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media (prefers-color-scheme: light){:root{color:#213547;background-color:transparent}a:hover{color:#747bff}button{background-color:#f9f9f9}}:root{--bg-primary: #181826;--bg-secondary: #23233b;--bg-tertiary: 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h2{color:var(--text-accent);font-size:1.6rem}.user-info{background:#17172608;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);padding:1.2rem;border-radius:12px;margin-bottom:2rem;transition:all .3s ease;border:2px solid var(--neon-blue);box-shadow:0 0 22px var(--neon-blue),0 0 44px #00b3b373,0 0 64px #0099cc40;position:relative;overflow:hidden}.user-info:before{content:"";position:absolute;inset:-2px;background:linear-gradient(45deg,var(--neon-blue),var(--neon-cyan),var(--neon-blue));border-radius:12px;z-index:-1;opacity:.34;transition:opacity .3s ease;animation:neonBorderPulse 4s ease-in-out infinite}.user-info:hover:before{opacity:.5}.user-info h3{color:var(--neon-blue);margin-bottom:1rem;font-size:1.1rem;text-shadow:0 0 5px var(--neon-blue)}.user-info p{margin-bottom:.5rem;color:#fff;line-height:1.4}.user-info p:last-of-type{color:#fff!important;font-weight:500}.user-info strong{color:#fff;text-shadow:none;background:#ffffff1a;padding:.8rem;border-radius:8px;border-left:3px solid var(--neon-blue);margin-top:.5rem;box-shadow:0 2px 8px #0000001a;display:block;margin-bottom:.5rem}.peer-finding{display:flex;flex-direction:column;gap:1.5rem}.peer-finding h3{color:var(--neon-blue);font-size:1.1rem;text-shadow:0 0 5px var(--neon-blue)}.peers-list{display:flex;flex-direction:column;gap:1rem}.peers-list h4{color:var(--text-accent);font-size:1rem;margin-bottom:1rem}.peer-card{background:#1717260d;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);padding:1.2rem;border-radius:12px;border:2px solid var(--neon-blue);transition:all .4s cubic-bezier(.4,0,.2,1);color:var(--text-primary);box-shadow:0 0 15px var(--neon-blue),0 0 30px #8b5cf64d,inset 0 0 20px #8b5cf61a;position:relative;overflow:hidden;animation:neonPulse 3s ease-in-out 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strong{color:var(--neon-cyan);text-shadow:0 0 5px var(--neon-cyan),0 0 10px var(--neon-cyan);font-weight:600}.centered-viewport{min-height:100vh;width:100vw;display:flex;justify-content:center;align-items:center;background:transparent;transition:all .3s ease}.centered-content{display:flex;flex-direction:column;align-items:center;width:100%;max-width:420px}.centered-header{text-align:center;margin-bottom:2.2rem;max-width:420px}.centered-header h1{color:var(--text-accent);font-size:2.2rem;margin-bottom:.5rem;font-weight:700;letter-spacing:1px}.centered-header p{color:var(--text-secondary);font-size:1.1rem}.auth-container{width:100%;max-width:420px;margin:0 auto}@media (max-width: 600px){.centered-header{max-width:95vw}.centered-content,.auth-container{max-width:98vw;padding:0 .5rem}}.landing-viewport{min-height:100vh;width:100vw;display:flex;flex-direction:column;justify-content:center;align-items:center;background:transparent;animation:fadeIn 1.2s cubic-bezier(.4,0,.2,1)}.landing-content{background:transparent;border-radius:0;box-shadow:none;padding:3.5rem 2vw 2.5rem 2vw;max-width:none;width:100vw;display:flex;flex-direction:column;align-items:center;text-align:center;margin-bottom:2rem;animation:popIn .8s cubic-bezier(.4,0,.2,1)}.ucla-logo{width:120px;margin-bottom:1.5rem;filter:drop-shadow(0 2px 12px #5f0a87aa);background:#17408b;border-radius:12px;padding:.5rem 1rem}.landing-title{font-size:2.3rem;font-weight:800;color:#2774ae;margin-bottom:.7rem;letter-spacing:1px;text-shadow:0 2px 12px #a4508b22}.landing-subtitle{color:var(--text-secondary);font-size:1.15rem;margin-bottom:1.7rem;line-height:1.5}.landing-features{list-style:none;padding:0;margin-bottom:2.2rem;color:var(--text-primary);font-size:1.08rem;text-align:left;width:100%;max-width:320px;margin-left:auto;margin-right:auto}.landing-features li{margin-bottom:.7rem;display:flex;align-items:center;font-weight:500;font-size:1.08rem;letter-spacing:.1px;padding-left:.2rem}.get-started-btn{background:linear-gradient(90deg,#2774ae,#a4508b);color:#fff;border:none;padding:1.1rem 2.5rem;border-radius:14px;font-size:1.15rem;font-weight:700;cursor:pointer;box-shadow:0 4px 18px #2774ae26;margin-top:.5rem;margin-bottom:.5rem;transition:background .2s,transform .2s,box-shadow .2s;letter-spacing:.5px;animation:bounceIn 1.2s}.get-started-btn:hover{background:linear-gradient(90deg,#a4508b,#2774ae);transform:translateY(-2px) scale(1.04);box-shadow:0 8px 32px 0 var(--shadow-color)}.landing-footer{color:var(--text-secondary);font-size:.98rem;margin-top:auto;margin-bottom:1.2rem;text-align:center;opacity:.85}@media (max-width: 600px){.landing-content{padding:2rem .5rem 1.5rem;max-width:none;width:100vw}.ucla-logo{width:90px}.landing-title{font-size:1.5rem}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes popIn{0%{transform:scale(.92);opacity:0}to{transform:scale(1);opacity:1}}@keyframes bounceIn{0%{transform:scale(.95)}60%{transform:scale(1.05)}to{transform:scale(1)}}.edit-profile-form{background:var(--card-bg, #222);padding:1.5rem;border-radius:10px;box-shadow:0 2px 8px #00000014;margin-bottom:1.5rem;max-width:400px}.edit-profile-form .form-group{margin-bottom:1rem}.edit-profile-form label{display:block;margin-bottom:.3rem;font-weight:500}.edit-profile-form input[type=text]{width:100%;padding:.5rem;border-radius:5px;border:1px solid #ccc;background:var(--input-bg, #fff);color:var(--input-color, #222)}.edit-profile-form button{margin-top:.5rem}.edit-profile-form .btn-secondary{margin-left:10px}[data-theme=light] .form-group label,[data-theme=light] .edit-profile-form label,[data-theme=light] .auth-form label{color:#fff}[data-theme=light] .form-group input::placeholder,[data-theme=light] .edit-profile-form input::placeholder,[data-theme=light] .auth-form input::placeholder{color:#ffffffb3;opacity:1}[data-theme=light] .user-info p,[data-theme=light] .user-info strong,[data-theme=light] .dashboard-header h2,[data-theme=light] .dashboard-header p,[data-theme=light] .peers-list h4,[data-theme=light] .peer-card h5{color:#e8e8e8}[data-theme=light] .user-info h3,[data-theme=light] .peer-finding h3,[data-theme=light] .user-info strong,[data-theme=light] .peer-card strong,[data-theme=light] .user-info p,[data-theme=light] .peer-card p,[data-theme=light] .peer-card h5{color:#fff}[data-theme=light] .peer-card:hover{background:#171726e6}[data-theme=light] .centered-header h1,[data-theme=light] .centered-header p{color:#fff}.auth-form .btn-primary{background:var(--gradient-primary);color:#fff;border:none;padding:1rem 2rem;border-radius:10px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s;box-shadow:0 4px 15px #2774ae26}.auth-form .btn-primary:hover{background:var(--gradient-secondary);transform:translateY(-2px) scale(1.03)}.auth-form .btn-primary:disabled{opacity:.6;cursor:not-allowed;transform:none}[data-theme=light] .auth-form h2{color:#ffd100e6;text-shadow:0 0 3px rgba(255,209,0,.3)}[data-theme=light] .auth-form .btn-primary{background:linear-gradient(45deg,#ffd100e6,#ffd100b3);color:var(--bg-primary);box-shadow:0 0 8px #ffd1004d}[data-theme=light] .auth-form .btn-primary:hover{box-shadow:0 0 12px #ffd10066,0 0 20px #ffd10033}[data-theme=light] .auth-tabs{background:#17172666,#ffd1000d;border-color:#ffd1004d;box-shadow:0 0 5px #ffd10033}[data-theme=light] .auth-tabs .tab{background:#ffffff1a;color:#ffd100e6;border:1px solid rgba(255,209,0,.3)}[data-theme=light] .auth-tabs .tab.active{background:#ffd100cc;color:var(--bg-primary);border:none;box-shadow:0 0 8px #ffd1004d}.chat-popup-overlay{position:fixed;inset:0;background:#00000059;z-index:2000;display:flex;align-items:center;justify-content:center}.chat-popup-modal{background:var(--bg-card, #23233b);color:var(--text-primary, #fff);border-radius:18px;box-shadow:0 8px 32px 0 var(--shadow-color, rgba(39,116,174,.18));padding:2.5rem 2.5rem 2rem;min-width:600px;max-width:95vw;width:90vw;min-height:340px;position:relative;animation:popIn .3s cubic-bezier(.4,0,.2,1);display:flex;flex-direction:column}.chat-popup-close{position:absolute;top:.7rem;right:1.2rem;background:none;border:none;font-size:2.2rem;color:var(--text-accent, #ffd100);cursor:pointer;transition:color .2s;z-index:10;padding:0;line-height:1}.chat-popup-close:hover{color:#ff4d4f}.chat-messages-container{background:var(--bg-secondary, #23233b);border-radius:10px;min-height:160px;max-height:260px;overflow-y:auto;padding:1rem 1rem .5rem;margin-bottom:1.2rem;box-shadow:0 2px 8px var(--shadow-color, rgba(39,116,174,.08));display:flex;flex-direction:column;gap:.5rem}.chat-messages-list{display:flex;flex-direction:column;gap:0;width:100%;max-width:100%}.chat-message{display:flex;align-items:center;padding:1.2rem;background:#17172699;border:1px solid var(--neon-blue);border-radius:0;cursor:pointer;transition:all .3s ease;box-shadow:0 0 8px var(--neon-blue);width:100%;max-width:100%;min-height:80px;box-sizing:border-box;margin-bottom:0;position:relative}.chat-message:first-child{border-radius:15px 15px 0 0}.chat-message:last-child{border-radius:0 0 15px 15px}.chat-message:not(:last-child){border-bottom:2px solid var(--neon-blue)}.chat-message-content{flex:1;display:flex;flex-direction:column;gap:.5rem;width:100%;max-width:100%}.chat-message-sender{color:var(--neon-blue);font-weight:600;font-size:1.1rem;text-shadow:0 0 5px var(--neon-blue);margin-bottom:.2rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-message-email{color:#e8e8e8;font-size:.9rem;opacity:.8;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.group-unread-indicator{margin-bottom:1rem}.group-unread-badge{display:inline-block;background:linear-gradient(45deg,#ff6b6b,#ff8e8e);color:#fff;padding:.5rem .8rem;border-radius:8px;font-size:.9rem;font-weight:600;text-shadow:0 0 5px rgba(255,107,107,.8);box-shadow:0 0 10px #ff6b6b99;animation:pulse 2s infinite;border:1px solid rgba(255,107,107,.8)}.peer-unread-indicator{position:absolute;top:1rem;right:1rem;z-index:1}.peer-unread-badge{display:inline-block;background:linear-gradient(45deg,#ff6b6b,#ff8e8e);color:#fff;padding:.3rem .6rem;border-radius:20px;font-size:.8rem;font-weight:600;text-shadow:0 0 5px rgba(255,107,107,.8);box-shadow:0 0 10px #ff6b6b99;animation:pulse 2s infinite;border:1px solid rgba(255,107,107,.8)}.chat-loading,.chat-error,.chat-empty{color:#888;text-align:center;font-size:1.05rem;margin:1.5rem 0}.chat-error{color:#ff4d4f}.chat-input-form{display:flex;gap:.7rem;margin-top:1rem}.chat-input{flex:1;padding:.7rem 1rem;border-radius:8px;border:2px solid var(--border-color, #2774ae);font-size:1rem;background:var(--bg-input, #fff);color:var(--text-primary, #222);transition:border-color .3s}.chat-input:focus{outline:none;border-color:var(--text-accent, #ffd100);box-shadow:0 0 0 2px var(--focus-color, #ffd10044)}.chat-send-btn{padding:.7rem 1.5rem;font-size:1rem;border-radius:8px;font-weight:600;background:var(--gradient-primary, #2774ae);color:#fff;border:none;cursor:pointer;transition:background .2s,transform .2s}.chat-send-btn:disabled{opacity:.6;cursor:not-allowed}@media (max-width: 600px){.chat-popup-modal{min-width:90vw;padding:1.2rem .5rem 1rem}.chat-messages-container{min-height:120px;max-height:180px;padding:.7rem .3rem .3rem}}.messages-icon{position:fixed!important;top:20px!important;right:150px!important;background:var(--bg-button);color:var(--text-accent);border:2px solid var(--border-color);border-radius:50%;width:50px;height:50px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .3s ease;font-size:1.5rem;z-index:1100}.groups-icon{position:fixed!important;top:20px!important;right:80px!important;background:var(--bg-button);color:var(--text-accent);border:2px solid var(--border-color);border-radius:50%;width:50px;height:50px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .3s ease;font-size:1.5rem;z-index:1100}.groups-icon:hover,.messages-icon:hover{background:var(--bg-primary);transform:scale(1.1)}.unread-dot{position:absolute;top:7px;right:7px;width:13px;height:13px;background:#e53935;border-radius:50%;z-index:1200;border:2px solid #fff;box-shadow:0 2px 6px #00000026}.landing-container{min-height:100vh;width:100vw;margin:0;padding:0;color:#fff;display:flex;flex-direction:column;background:transparent}[data-theme=dark] .landing-container{background:transparent}[data-theme=light] .landing-container{background:transparent;color:#fff}.hero-section{flex:1;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;padding:2rem;position:relative;overflow:hidden;min-height:100vh;background:transparent;-webkit-backdrop-filter:none;backdrop-filter:none;border-radius:0;margin:0;border:none;box-shadow:none}.hero-section:before{display:none}.hero-content{position:relative;z-index:2;max-width:800px}.hero-title{font-size:4rem;font-weight:900;margin-bottom:1rem;background:linear-gradient(45deg,var(--neon-blue),var(--neon-cyan),var(--text-accent));background-size:200% 200%;-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;text-shadow:var(--neon-text-glow);animation:titleGlow 3s ease-in-out infinite;letter-spacing:2px}@keyframes titleGlow{0%,to{background-position:0% 50%;filter:brightness(1)}50%{background-position:100% 50%;filter:brightness(1.2)}}.hero-subtitle{font-size:1.5rem;margin-bottom:2rem;opacity:.9;font-weight:300;color:var(--text-primary)}.hero-description{font-size:1.2rem;margin-bottom:3rem;opacity:.8;line-height:1.6;color:var(--text-primary)}.cta-buttons{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}.cta-primary{background:linear-gradient(45deg,var(--neon-blue),var(--neon-cyan));color:var(--bg-primary);padding:1.2rem 2.5rem;border:none;border-radius:50px;font-size:1.2rem;font-weight:700;cursor:pointer;transition:all .4s ease;box-shadow:0 0 20px var(--neon-blue),0 0 40px var(--neon-blue);text-transform:uppercase;letter-spacing:2px;position:relative;overflow:hidden}.cta-primary:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.3),transparent);transition:left .5s}.cta-primary:hover:before{left:100%}.cta-primary:hover{transform:translateY(-3px) scale(1.05);box-shadow:0 0 30px var(--neon-blue),0 0 60px var(--neon-blue),0 10px 20px #0000004d}.cta-secondary{background:transparent;color:var(--neon-blue);padding:1.2rem 2.5rem;border:2px solid var(--neon-blue);border-radius:50px;font-size:1.2rem;font-weight:700;cursor:pointer;transition:all .4s ease;box-shadow:0 0 15px var(--neon-blue);text-transform:uppercase;letter-spacing:2px;position:relative;overflow:hidden}.cta-secondary:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(39,116,174,.3),transparent);transition:left .5s}.cta-secondary:hover:before{left:100%}.cta-secondary:hover{background:var(--neon-blue);color:var(--bg-primary);transform:translateY(-3px) scale(1.05);box-shadow:0 0 25px var(--neon-blue),0 0 45px var(--neon-blue),0 10px 20px #0000004d}.features-section{background:transparent;color:inherit;padding:4rem 2rem;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);border-radius:20px;margin:2rem;border:1px solid rgba(39,116,174,.1);box-shadow:0 0 20px #2774ae0d}[data-theme=dark] .features-section,[data-theme=light] .features-section{background:#1717260d;color:inherit}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem;max-width:1200px;margin:0 auto}@keyframes shimmer{0%{background-position:-200px 0}to{background-position:calc(200px + 100%) 0}}.feature-card{background:#1717261a;padding:2.5rem;border-radius:20px;text-align:center;transition:all .4s cubic-bezier(.4,0,.2,1);border:1px solid rgba(39,116,174,.2);position:relative;overflow:hidden;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 8px 32px #2774ae1a}[data-theme=dark] .feature-card{background:#17172626;border-color:#2774ae4d}.feature-card:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);transition:left .5s}.feature-card:hover:before{left:100%}.feature-card:hover{transform:translateY(-10px) scale(1.03);box-shadow:0 25px 50px #2774ae33,0 0 30px #2774ae1a;border-color:var(--neon-blue);background:#17172633}[data-theme=dark] .feature-card:hover{border-color:var(--neon-blue);box-shadow:0 25px 50px #2774ae4d,0 0 30px #2774ae33;background:#17172640}.feature-icon{font-size:3.5rem;margin-bottom:1.5rem;color:var(--neon-blue);text-shadow:0 0 10px var(--neon-blue);transition:all .3s ease}[data-theme=dark] .feature-icon{color:var(--neon-blue)}.feature-card:hover .feature-icon{transform:scale(1.1);text-shadow:0 0 20px var(--neon-blue),0 0 30px var(--neon-blue)}.feature-title{font-size:1.6rem;font-weight:800;margin-bottom:1rem;color:var(--text-primary);background:linear-gradient(45deg,var(--neon-blue),var(--neon-cyan));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}[data-theme=dark] .feature-title{color:var(--text-primary)}.feature-description{color:#666;line-height:1.6}[data-theme=dark] .feature-description{color:#ccc}.stats-section{background:transparent;color:inherit;padding:4rem 2rem;text-align:center;-webkit-backdrop-filter:none;backdrop-filter:none;border-radius:0;margin:0;border:none;box-shadow:none}[data-theme=light] .stats-section,[data-theme=dark] .stats-section{background:transparent;color:inherit}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:2rem;max-width:800px;margin:0 auto}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.05)}}.stat-item{padding:2rem;transition:all .4s ease;background:transparent;border-radius:0;border:none;-webkit-backdrop-filter:none;backdrop-filter:none;box-shadow:none}.stat-item:hover{animation:pulse 1s ease-in-out;transform:translateY(-5px) scale(1.05);border-color:var(--neon-blue);box-shadow:0 15px 40px #2774ae33,0 0 30px #2774ae1a}.stat-number{font-size:3rem;font-weight:900;margin-bottom:.5rem;transition:all .3s ease;background:linear-gradient(45deg,var(--neon-blue),var(--neon-cyan));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;text-shadow:0 0 10px var(--neon-blue)}.stat-item:hover .stat-number{color:var(--neon-blue);text-shadow:0 0 20px var(--neon-blue),0 0 30px var(--neon-blue);transform:scale(1.1)}[data-theme=light] .stat-item:hover .stat-number{color:var(--neon-blue);text-shadow:0 0 20px var(--neon-blue),0 0 30px var(--neon-blue)}.stat-label{font-size:1.1rem;opacity:.9}.footer{background:transparent;color:var(--text-primary);text-align:center;padding:3rem 2rem;-webkit-backdrop-filter:none;backdrop-filter:none;border-radius:0;margin:0;border:none;box-shadow:none}[data-theme=light] .footer{background:transparent;color:var(--text-primary)}@media (max-width: 768px){.hero-title{font-size:2.5rem}.hero-subtitle{font-size:1.2rem}.cta-buttons{flex-direction:column;align-items:center}.features-grid{grid-template-columns:1fr}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.hero-content>*{animation:fadeInUp .8s ease-out forwards}.hero-content>*:nth-child(2){animation-delay:.2s}.hero-content>*:nth-child(3){animation-delay:.4s}.hero-content>*:nth-child(4){animation-delay:.6s}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}@keyframes gradientShift{0%{background-position:0% 50%}50%{background-position:100% 50%}to{background-position:0% 50%}}.hero-title{background-size:200% 200%;animation:gradientShift 3s ease infinite}[data-theme=dark] .cta-primary{background:linear-gradient(45deg,#2774ae,#17408b);color:#fff;box-shadow:0 4px 15px #2774ae66}[data-theme=dark] .cta-primary:hover{background:#ffd100;color:#17408b;box-shadow:0 6px 20px #ffd10099}[data-theme=dark] .cta-secondary{color:#2774ae;border-color:#2774ae}[data-theme=dark] .cta-secondary:hover{background:#2774ae;color:#fff}[data-theme=dark] .feature-icon{color:#2774ae}[data-theme=light] .cta-primary{background:linear-gradient(45deg,#ffd100,#ffea70);color:#17408b;box-shadow:0 4px 15px #ffd1004d}[data-theme=light] .cta-primary:hover{background:#2774ae;color:#fff;box-shadow:0 6px 20px #2774ae66}[data-theme=light] .cta-secondary{color:#2774ae;border-color:#2774ae}[data-theme=light] .cta-secondary:hover{background:#ffd100;color:#17408b}[data-theme=light] .feature-icon{color:#ffd100}.centered-header h1{color:var(--neon-blue);text-shadow:0 0 8px var(--neon-blue),0 0 15px var(--neon-blue);font-size:3rem;font-weight:700;margin-bottom:1rem;text-align:center;letter-spacing:2px}.centered-header p{color:var(--text-primary);font-size:1.2rem;text-align:center;margin-bottom:2rem;text-shadow:0 0 8px var(--neon-blue)}.dashboard{background:var(--bg-card);border-radius:18px;box-shadow:0 8px 32px 0 var(--shadow-color),0 0 20px #00b3b347,0 0 32px #0099cc2e;padding:2.5rem 2rem;width:100%;max-width:700px;margin:0 auto;transition:all .3s ease;position:relative}.dashboard:before{content:"";position:absolute;inset:-2px;background:linear-gradient(45deg,var(--neon-blue),var(--neon-cyan),var(--neon-blue));border-radius:20px;z-index:-1;opacity:.32;animation:neonBorderPulse 2.6s ease-in-out infinite}.success-alert{background:linear-gradient(90deg,#43e97b,#38f9d7);color:#1a1a2e;padding:1rem 1.5rem;border-radius:10px;margin-bottom:1.5rem;font-weight:600;text-align:center;box-shadow:0 2px 12px #43e97b26;letter-spacing:.5px}@media (max-width: 768px){.auth-container{margin:1rem;padding:1.5rem}.centered-header h1{font-size:2.5rem}.centered-header p{font-size:1rem}}.centered-viewport{position:relative;z-index:1}.centered-content{position:relative;z-index:2}.particle:nth-child(3n){animation-duration:8s;animation-delay:2s}.particle:nth-child(5n){animation-duration:10s;animation-delay:4s}.particle:nth-child(7n){animation-duration:12s;animation-delay:1s}.form-group input:focus+label{color:var(--neon-cyan);text-shadow:0 0 10px var(--neon-cyan)}.auth-container,.auth-tabs,.tab,.form-group input,.btn-primary{transition:all .3s ease}@keyframes neon-border{0%,to{opacity:.6;box-shadow:0 0 15px var(--neon-blue),0 0 25px var(--neon-blue)}50%{opacity:.4;box-shadow:0 0 20px var(--neon-blue),0 0 35px var(--neon-blue)}}.chat-popup-overlay{position:fixed;inset:0;background:#000000b3;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);display:flex;justify-content:center;align-items:center;z-index:1000}.chat-popup-modal{background:#171726f2;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:2px solid var(--neon-blue);border-radius:20px;padding:2rem;width:90%;max-width:600px;max-height:80vh;overflow-y:auto;box-shadow:0 0 20px var(--neon-blue),0 0 40px var(--neon-blue);position:relative}.chat-popup-modal h2{color:var(--neon-blue);text-align:center;margin-bottom:1.5rem;font-size:1.8rem;text-shadow:0 0 10px var(--neon-blue)}.chat-popup-close{position:absolute;top:1rem;right:1rem;background:transparent;border:2px solid var(--neon-blue);color:var(--neon-blue);border-radius:50%;width:30px;height:30px;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:1.2rem;transition:all .3s ease;box-shadow:0 0 10px var(--neon-blue)}.chat-popup-close:hover{background:var(--neon-blue);color:var(--bg-primary);box-shadow:0 0 15px var(--neon-blue),0 0 25px var(--neon-blue)}.chat-message{display:flex;align-items:center;padding:1.2rem;background:#17172699;border:1px solid var(--neon-blue);border-radius:15px;cursor:pointer;transition:all .3s ease;box-shadow:0 0 8px var(--neon-blue);margin-bottom:.5rem}.chat-message:hover{background:#171726cc;transform:translateY(-2px);box-shadow:0 0 15px var(--neon-blue),0 0 25px var(--neon-blue)}.chat-message-content{flex:1;display:flex;flex-direction:column;gap:.3rem}.chat-message-sender{color:var(--neon-blue);font-weight:600;font-size:1.1rem;text-shadow:0 0 5px var(--neon-blue);margin-bottom:.2rem}.chat-message-email{color:#e8e8e8;font-size:.9rem;opacity:.8}.chat-message-unread-indicator{margin-top:.5rem}.unread-badge{display:inline-block;background:linear-gradient(45deg,#ff6b6b,#ff8e8e);color:#fff;padding:.3rem .6rem;border-radius:12px;font-size:.8rem;font-weight:600;text-shadow:0 0 5px rgba(255,107,107,.8);box-shadow:0 0 10px #ff6b6b99;animation:pulse 2s infinite;border:1px solid rgba(255,107,107,.8)}@keyframes pulse{0%{box-shadow:0 0 10px #ff6b6b99}50%{box-shadow:0 0 15px #ff6b6bcc,0 0 25px #ff6b6b66}to{box-shadow:0 0 10px #ff6b6b99}}.chat-empty,.chat-loading{text-align:center;color:#e8e8e8;font-size:1.1rem;padding:2rem}.chat-messages-container{flex:1;overflow-y:auto;padding:1rem;margin-bottom:1rem;max-height:400px}.chat-messages-list{display:flex;flex-direction:column;gap:.8rem}.chat-message{display:flex;flex-direction:column;max-width:50%;padding:.8rem 1rem;border-radius:15px;font-size:.95rem;word-break:break-word;position:relative}.chat-message-own{align-self:flex-end;background:#0d1f3ae6;color:#e8e8e8;border:1px solid var(--neon-blue);box-shadow:0 0 10px var(--neon-blue)}.chat-message:not(.chat-message-own){align-self:flex-start;background:#171726cc;color:var(--text-primary);border:1px solid var(--neon-blue);box-shadow:0 0 8px var(--neon-blue)}.chat-message-sender{font-weight:600;font-size:.8rem;margin-bottom:.3rem;opacity:.8}.chat-message-text{font-size:.95rem;line-height:1.4}.chat-input-form{display:flex;gap:.5rem;margin-top:1rem}.chat-input{flex:1;padding:.8rem 1rem;background:#171726cc;border:2px solid var(--neon-blue);border-radius:10px;color:var(--text-primary);font-size:.95rem;transition:all .3s ease;box-shadow:0 0 8px var(--neon-blue)}.chat-input:focus{outline:none;border-color:var(--neon-cyan);box-shadow:0 0 15px var(--neon-cyan),0 0 25px var(--neon-cyan)}.chat-input::placeholder{color:#fff9}.chat-send-button{padding:.8rem 1.5rem;background:linear-gradient(45deg,var(--neon-blue),var(--neon-cyan));border:none;border-radius:10px;color:var(--bg-primary);font-weight:600;cursor:pointer;transition:all .3s ease;box-shadow:0 0 10px var(--neon-blue)}.chat-send-button:hover{transform:translateY(-1px);box-shadow:0 0 15px var(--neon-blue),0 0 25px var(--neon-blue)}.chat-error{color:#ff6b6b;text-align:center;padding:1rem;font-size:.9rem}#particles-js{position:fixed;inset:0;z-index:0;pointer-events:none}.demo-video-section{background:transparent;color:inherit;padding:4rem 2rem;text-align:center;-webkit-backdrop-filter:none;backdrop-filter:none;border-radius:0;margin:0;border:none;box-shadow:none}[data-theme=light] .demo-video-section,[data-theme=dark] .demo-video-section{background:transparent;color:inherit}.demo-video-container{max-width:1000px;margin:0 auto;padding:2rem}.demo-video-title{font-size:2.5rem;font-weight:800;margin-bottom:2rem;background:linear-gradient(45deg,var(--neon-blue),var(--neon-cyan));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;text-shadow:0 0 10px var(--neon-blue);letter-spacing:1px}.video-wrapper{position:relative;width:100%;max-width:800px;margin:0 auto;border-radius:20px;overflow:hidden;background:transparent;border:none;box-shadow:none;-webkit-backdrop-filter:none;backdrop-filter:none}.video-wrapper:hover{background:transparent;border:none;box-shadow:none}.demo-video{width:100%;height:auto;display:block;border-radius:18px;background:transparent;filter:brightness(1) contrast(1) saturate(1)!important;mix-blend-mode:normal!important;opacity:1!important;transition:none!important}.demo-video::-webkit-media-controls{background:#171726e6}.demo-video::-webkit-media-controls-panel{background:#171726e6}@media (max-width: 768px){.demo-video-section{padding:2rem 1rem}.demo-video-container{padding:1rem}.demo-video-title{font-size:2rem;margin-bottom:1.5rem}.video-wrapper{max-width:100%;border-radius:15px}.demo-video{border-radius:13px}}@media (max-width: 480px){.demo-video-title{font-size:1.5rem}.demo-video-section{padding:1.5rem .5rem}}.video-wrapper{background:#fff!important;padding:16px!important;border-radius:20px!important;border:1px solid rgba(0,0,0,.08)!important;box-shadow:0 10px 30px #00000040!important;margin:0 auto!important}.video-wrapper:hover{background:#fff!important;border:1px solid rgba(0,0,0,.08)!important;box-shadow:0 10px 30px #00000040!important}.video-wrapper .demo-video{border-radius:12px!important;background:#000!important}.video-wrapper .demo-video{filter:brightness(1.15) contrast(1.05) saturate(1.1)!important;mix-blend-mode:normal!important;opacity:1!important;transition:none!important}.demo-video::-webkit-media-controls{background:transparent!important}.demo-video::-webkit-media-controls-panel{background:transparent!important}.demo-video::-webkit-media-controls-enclosure{background-color:transparent!important}.video-wrapper{background:transparent!important;padding:8px!important;border-radius:20px!important;border:1px solid var(--neon-blue)!important;box-shadow:0 0 12px var(--neon-blue)!important;margin:0 auto!important}.video-wrapper:hover{background:transparent!important;border:1px solid var(--neon-blue)!important;box-shadow:0 0 16px var(--neon-blue)!important}.size-slider::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:20px;height:20px;border-radius:50%;background:var(--neon-blue);cursor:pointer;border:2px solid var(--text-primary);transition:all .2s ease}.size-slider::-webkit-slider-thumb:hover{background:var(--neon-cyan);transform:scale(1.1);box-shadow:0 0 15px var(--neon-blue)}.size-slider::-moz-range-thumb{width:20px;height:20px;border-radius:50%;background:var(--neon-blue);cursor:pointer;border:2px solid var(--text-primary);transition:all .2s ease}.size-labels{display:flex;justify-content:space-between;color:var(--text-secondary);font-size:.85rem;font-weight:500}.size-info{background:var(--bg-secondary);border-radius:8px;padding:16px;border-left:4px solid var(--neon-blue)}.size-info p{margin:8px 0;color:var(--text-secondary);font-size:.9rem;line-height:1.4}.size-info p:first-child{margin-top:0}.size-info p:last-child{margin-bottom:0}.ai-match-modal-footer{display:flex;justify-content:flex-end;gap:12px;padding:16px 24px 24px;border-top:1px solid var(--neon-blue)}.cancel-button{background:transparent;border:1px solid var(--neon-blue);color:var(--text-secondary);padding:10px 20px;border-radius:8px;cursor:pointer;font-size:.9rem;font-weight:500;transition:all .2s ease}.cancel-button:hover{background:var(--neon-blue);color:var(--bg-primary)}.ai-match-button{background:linear-gradient(135deg,var(--neon-blue) 0%,var(--neon-cyan) 100%);border:none;color:var(--bg-primary);padding:12px 24px;border-radius:8px;cursor:pointer;font-size:.9rem;font-weight:600;transition:all .2s ease;box-shadow:0 4px 12px #00b3b34d}.ai-match-button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 16px #00b3b366}.ai-match-modal-overlay{position:fixed;inset:0;background:#000c;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);display:flex;justify-content:center;align-items:center;z-index:1000}.ai-match-modal{background:#171726f2;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:2px solid var(--neon-cyan);border-radius:20px;padding:2rem;width:90%;max-width:600px;max-height:90vh;overflow-y:auto;box-shadow:0 0 20px var(--neon-cyan),0 0 40px var(--neon-cyan)}.ai-match-modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem;border-bottom:1px solid var(--neon-cyan);padding-bottom:1rem}.ai-match-modal-header h2{color:var(--neon-cyan);margin:0;font-size:1.8rem;text-shadow:0 0 10px var(--neon-cyan)}.ai-match-modal-content{margin-bottom:1.5rem}.modal-description{color:var(--text-primary);margin-bottom:1.5rem;line-height:1.6;font-size:1rem}.size-selector{margin-bottom:1.5rem}.size-selector label{display:block;color:var(--text-primary);margin-bottom:.5rem;font-weight:500}.size-slider{width:100%;height:8px;border-radius:4px;background:#00b3b333;outline:none;accent-color:var(--neon-cyan);margin-bottom:.5rem}.size-labels{display:flex;justify-content:space-between;color:var(--text-secondary);font-size:.9rem}.size-info{background:#00b3b31a;border:1px solid var(--neon-cyan);border-radius:10px;padding:1rem;margin-bottom:1.5rem}.size-info p{color:var(--text-primary);margin:.3rem 0;font-size:.9rem}.ai-match-modal-footer{display:flex;gap:1rem;justify-content:flex-end}.cancel-button{background:#6c757d;color:#fff;border:none;border-radius:8px;padding:.75rem 1.5rem;font-size:1rem;font-weight:700;cursor:pointer;transition:all .3s ease}.cancel-button:hover{background:#5a6268;transform:translateY(-1px)}.ai-match-button{background:var(--neon-cyan);color:var(--bg-primary);border:none;border-radius:8px;padding:.75rem 1.5rem;font-size:1rem;font-weight:700;cursor:pointer;transition:all .3s ease;box-shadow:0 0 10px var(--neon-cyan)}.ai-match-button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 16px var(--neon-cyan)}.ai-match-button:disabled{opacity:.7;cursor:not-allowed;transform:none}.course-selector select{transition:all .2s ease}.course-selector select:focus{border-color:var(--neon-cyan);box-shadow:0 0 10px var(--neon-blue)}@media (max-width: 600px){.ai-match-modal{width:95%;margin:20px}.ai-match-modal-header,.ai-match-modal-content,.ai-match-modal-footer{padding:20px}.ai-match-modal-footer{flex-direction:column}.ai-match-button,.cancel-button{width:100%}}.group-management-section{border-top:1px solid var(--neon-blue);padding-top:1rem;margin-top:1rem}.group-management-section h4{color:var(--neon-blue);margin:0 0 .5rem;font-size:1rem;display:flex;align-items:center;gap:8px}.group-management-buttons{display:flex;gap:.5rem;flex-wrap:wrap}.kick-member-button{background:#dc3545;color:#fff;border:none;border-radius:50%;width:20px;height:20px;font-size:10px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s ease}.kick-member-button:hover{background:#c82333;transform:scale(1.1)}.visibility-toggle-button{background:var(--neon-blue);color:var(--bg-primary);border:none;border-radius:8px;padding:.5rem 1rem;font-size:.9rem;font-weight:700;cursor:pointer;transition:all .3s ease;box-shadow:0 0 5px var(--neon-blue)}.visibility-toggle-button:hover{transform:translateY(-1px);box-shadow:0 0 8px var(--neon-blue)}.visibility-toggle-button.public{background:#ff6b6b;box-shadow:0 0 5px #ff6b6b}.visibility-toggle-button.public:hover{background:#ff5252;box-shadow:0 0 8px #ff6b6b}.visibility-toggle-button.private{background:#4caf50;box-shadow:0 0 5px #4caf50}.visibility-toggle-button.private:hover{background:#45a049;box-shadow:0 0 8px #4caf50}.member-with-kick{display:flex;align-items:center;gap:.5rem}.join-request-section{background:#ffc1071a;border:1px solid #ffc107;border-radius:10px;padding:1rem;margin-bottom:1rem}.join-request-section h4{color:#ffc107;margin:0 0 .5rem;font-size:1rem;display:flex;align-items:center;gap:8px}.join-request-item{background:#ffc1071a;border:1px solid #ffc107;border-radius:8px;padding:.8rem;margin-bottom:.5rem;display:flex;justify-content:space-between;align-items:center}.join-request-info{flex:1}.join-request-actions{display:flex;gap:.5rem}.join-request-approve{background:#4caf50;color:#fff;border:none;border-radius:6px;padding:.4rem .8rem;font-size:.8rem;cursor:pointer;transition:all .2s ease}.join-request-approve:hover{background:#45a049;transform:scale(1.05)}.join-request-reject{background:#dc3545;color:#fff;border:none;border-radius:6px;padding:.4rem .8rem;font-size:.8rem;cursor:pointer;transition:all .2s ease}.join-request-reject:hover{background:#c82333;transform:scale(1.05)}