:root{--bg-color: #0f0c29;--bg-gradient: linear-gradient(to right, #24243e, #302b63, #0f0c29);--glass-bg: rgba(255, 255, 255, .05);--glass-border: rgba(255, 255, 255, .1);--primary-color: #00d2ff;--primary-hover: #3a7bd5;--text-color: #ffffff;--text-muted: #b3b3b3;--neon-green: #00ff88;--neon-purple: #923cff}body{margin:0;font-family:Inter,sans-serif;background:var(--bg-gradient);color:var(--text-color);overflow:hidden}.auth-container{display:flex;justify-content:center;align-items:center;height:100vh;position:relative}.blob{position:absolute;width:500px;height:500px;background:radial-gradient(circle,#00d2ff4d,#0000 70%);border-radius:50%;z-index:-1;animation:float 10s infinite ease-in-out}.blob:nth-child(1){top:-100px;left:-100px}.blob:nth-child(2){bottom:-100px;right:-100px;background:radial-gradient(circle,#923cff4d,#0000 70%)}@keyframes float{0%{transform:translate(0)}50%{transform:translate(30px,30px)}to{transform:translate(0)}}.auth-box{background:var(--glass-bg);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);padding:40px;border-radius:20px;border:1px solid var(--glass-border);box-shadow:0 8px 32px #0000005e;width:350px;text-align:center}.register-box{width:420px;padding:30px 40px}.auth-box h2{margin-bottom:10px;font-size:2rem;letter-spacing:1px}.auth-box p{color:var(--text-muted);margin-bottom:30px;font-size:.9rem}.input-group{margin-bottom:20px;text-align:left}.input-group label{display:block;font-size:.8rem;margin-bottom:5px;color:var(--text-muted)}.input-group input{width:100%;padding:12px;background:#0003;border:1px solid var(--glass-border);border-radius:8px;color:#fff;font-size:1rem;outline:none;transition:.3s;box-sizing:border-box}.input-group input:focus{border-color:var(--primary-color);box-shadow:0 0 10px #00d2ff33}.auth-btn{width:100%;padding:12px;background:linear-gradient(135deg,var(--primary-color),var(--primary-hover));border:none;border-radius:8px;color:#fff;font-size:1rem;font-weight:700;cursor:pointer;transition:transform .2s,box-shadow .2s;margin-top:10px}.auth-btn:hover{transform:translateY(-2px);box-shadow:0 5px 15px #00d2ff66}.auth-link{margin-top:20px;display:block;font-size:.9rem;color:var(--text-muted);text-decoration:none}.auth-link span{color:var(--primary-color);font-weight:700}.dob-container{display:flex;gap:10px}.dob-select{flex:1;padding:12px;background:#0003;border:1px solid var(--glass-border);border-radius:8px;color:#fff;font-size:.9rem;outline:none;cursor:pointer;box-sizing:border-box;-webkit-appearance:none;text-align:center}.dob-select:focus{border-color:var(--primary-color);background:#0006}.dob-select option{background-color:#24243e;color:#fff;padding:10px}.dashboard-grid{display:flex;height:100vh;width:100vw;padding:20px;gap:20px;box-sizing:border-box}.grid-sidebar{width:280px;display:flex;flex-direction:column}.grid-main{flex:1;display:flex;flex-direction:column;position:relative}.glass-sidebar,.glass-chat-container{background:#10121b99;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.1);border-radius:24px;height:100%;display:flex;flex-direction:column;box-shadow:0 8px 32px #0000004d}.sidebar-header{padding:30px 20px 10px}.gradient-text{background:linear-gradient(90deg,var(--primary-color),var(--neon-purple));-webkit-background-clip:text;-webkit-text-fill-color:transparent;font-size:1.8rem;font-weight:800;letter-spacing:-1px}.section-title{display:flex;justify-content:space-between;padding:20px 25px 10px;font-size:.75rem;color:#6c7285;font-weight:700;letter-spacing:1px}.nav-item{margin:5px 15px;padding:12px 15px;border-radius:12px;color:#a0a5bd;cursor:pointer;transition:all .2s ease;display:flex;align-items:center}.nav-item:hover{background:#ffffff14;color:#fff;transform:translate(5px)}.nav-icon{margin-right:12px;color:var(--neon-purple)}.status-dot{width:8px;height:8px;border-radius:50%;background:var(--neon-green);margin-right:12px;box-shadow:0 0 8px var(--neon-green)}.icon-btn-add{background:none;border:1px solid rgba(255,255,255,.2);color:#fff;border-radius:50%;width:24px;height:24px;cursor:pointer;display:flex;align-items:center;justify-content:center}.icon-btn-add:hover{border-color:var(--primary-color);color:var(--primary-color)}.top-profile-glass{position:absolute;top:0;right:0;background:#ffffff0d;-webkit-backdrop-filter:blur(15px);backdrop-filter:blur(15px);padding:10px 20px;border-radius:0 24px;display:flex;align-items:center;gap:15px;z-index:10;border-bottom:1px solid rgba(255,255,255,.05);border-left:1px solid rgba(255,255,255,.05);transition:all .2s ease}.top-profile-glass.clickable{cursor:pointer}.top-profile-glass.clickable:hover{background:#ffffff1a;border-color:#fff3}.profile-details{text-align:right}.display-name{display:block;font-weight:700;font-size:.9rem}.status-tag{font-size:.7rem;color:var(--neon-green);text-transform:uppercase;letter-spacing:1px}.logout-icon-btn{background:#ff4d4d33;color:#ff4d4d;border:none;width:35px;height:35px;border-radius:10px;cursor:pointer;transition:.2s;font-size:1.2rem}.logout-icon-btn:hover{background:#ff4d4d;color:#fff}.chat-header-glass{padding:20px 30px;border-bottom:1px solid rgba(255,255,255,.05)}.header-info h3{margin:0;font-size:1.2rem}.topic{color:var(--text-muted);font-size:.8rem}.messages-scroll{flex:1;padding:20px;overflow-y:auto;display:flex;flex-direction:column;gap:15px}.message-row{display:flex}.message-row.sent{justify-content:flex-end}.message-row.received{justify-content:flex-start}.message-bubble{max-width:60%;padding:12px 18px;border-radius:18px;font-size:.95rem;line-height:1.4;position:relative}.sent .message-bubble{background:linear-gradient(135deg,var(--primary-color),var(--primary-hover));color:#fff;border-bottom-right-radius:4px;box-shadow:0 4px 15px #00d2ff4d}.received .message-bubble{background:#ffffff1a;color:#e0e0e0;border-bottom-left-radius:4px}.msg-user{font-size:.7rem;color:var(--neon-purple);margin-bottom:4px;font-weight:700}.input-zone{padding:20px}.glass-input-wrapper{background:#0000004d;border-radius:50px;padding:8px 15px;display:flex;align-items:center;border:1px solid rgba(255,255,255,.1);transition:.3s}.glass-input-wrapper:focus-within{border-color:var(--primary-color);box-shadow:0 0 15px #00d2ff33}.glass-input-wrapper input{flex:1;background:transparent;border:none;color:#fff;padding:10px;outline:none}.attach-btn,.send-btn{background:none;border:none;font-size:1.2rem;cursor:pointer;color:#a0a5bd;padding:0 10px}.send-btn{color:var(--primary-color)}.modal-overlay{position:fixed;top:0;left:0;width:100vw;height:100vh;background:#000000b3;display:flex;justify-content:center;align-items:center;z-index:1000;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.glass-modal{background:#14141ee6;width:400px;padding:30px;border-radius:20px;box-shadow:0 10px 40px #0009;text-align:center;color:#fff;border:1px solid var(--glass-border)}.glass-modal input{width:100%;padding:12px;margin:15px 0;background:#0006;border:1px solid var(--glass-border);border-radius:8px;color:#fff}.glass-modal input:focus{border-color:var(--primary-color);outline:none}.modal-buttons{display:flex;justify-content:flex-end;gap:10px;margin-top:20px}.cancel-btn{background:transparent;border:none;color:#aaa;cursor:pointer;padding:10px}.create-btn{background:var(--primary-color);border:none;color:#fff;padding:10px 20px;border-radius:8px;cursor:pointer;font-weight:700}.create-btn:disabled{background:#555;cursor:not-allowed}