:root{--primary: #6366f1;--primary-hover: #4f46e5;--secondary: #10b981;--bg-dark: #0b141a;--bg-surface: #111b21;--bg-card: #202c33;--bg-input: #2a3942;--text-main: #e9edef;--text-muted: #8696a0;--border-light: rgba(255, 255, 255, .05);--accent: #00a884;--bubble-sent: #005c4b;--bubble-received: #202c33;--text-primary: #e9edef;--text-secondary: #8696a0;--border: rgba(255, 255, 255, .08);--glass: rgba(30, 41, 59, .7)}*{box-sizing:border-box;margin:0;padding:0;font-family:Inter,Segoe UI,Roboto,Helvetica,Arial,sans-serif}body{background-color:var(--bg-dark);color:var(--text-primary);height:100vh;overflow:hidden}.chat-layout,.login-container{display:flex;height:100vh;width:100vw;background-color:var(--bg-dark)}.login-container{justify-content:center;align-items:center;background:radial-gradient(circle at center,#1e293b,#0f172a)}.login-card{width:100%;max-width:400px;padding:2.5rem;border-radius:16px;text-align:center;box-shadow:0 25px 50px -12px #00000080;border:1px solid var(--border)}.login-card h2{margin-bottom:.5rem;font-size:1.8rem;font-weight:700}.login-card p{color:var(--text-secondary);margin-bottom:2rem;font-size:.9rem}.glass{background:#1e293bb3;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}.login-input-group{text-align:left;margin-bottom:1.5rem}.login-input-group label{display:block;font-size:.8rem;color:var(--text-secondary);margin-bottom:.5rem;text-transform:uppercase;letter-spacing:.05em}.login-input-group input{width:100%;padding:12px 16px;background:#111b21;border:1px solid var(--border);border-radius:8px;color:#fff;font-size:1rem;transition:border-color .2s}.login-input-group input:focus{outline:none;border-color:var(--primary)}.login-btn{width:100%;padding:12px;background-color:var(--primary);color:#fff;border:none;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:transform .1s,background-color .2s}.login-btn:hover{background-color:#4f46e5}.login-btn:active{transform:scale(.98)}.chat-layout{display:flex;height:100vh;width:100vw;background-color:var(--bg-dark)}.nav-rail{width:60px;background-color:#202c33;display:flex;flex-direction:column;align-items:center;padding:15px 0;gap:20px;border-right:1px solid var(--border)}.nav-item{color:var(--text-secondary);cursor:pointer;padding:8px;border-radius:50%;transition:all .2s}.nav-item:hover,.nav-item.active{background-color:#ffffff1a;color:var(--text-primary)}.sidebar{width:400px;background-color:#111b21;display:flex;flex-direction:column;border-right:1px solid var(--border)}.sidebar-header{padding:16px;background-color:#202c33}.sidebar-actions{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.search-container{background-color:#202c33;padding:8px 12px}.search-wrapper{background-color:#111b21;border-radius:8px;display:flex;align-items:center;padding:0 12px;height:35px}.search-input{background:none;border:none;color:#fff;width:100%;padding:8px;font-size:.9rem}.search-input:focus{outline:none}.filter-chips{display:flex;gap:8px;padding:10px 12px;overflow-x:auto}.chip{background-color:#202c33;padding:6px 12px;border-radius:16px;font-size:.8rem;color:var(--text-secondary);cursor:pointer;white-space:nowrap}.chip.active{background-color:#00a884;color:#0b141a;font-weight:600}.contact-list{flex:1;overflow-y:auto}.contact-item{display:flex;padding:12px 16px;cursor:pointer;transition:background .2s;border-bottom:1px solid rgba(255,255,255,.05)}.contact-item:hover{background-color:#202c33}.contact-item.active{background-color:#2a3942}.avatar{width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,var(--primary),#818cf8);display:flex;align-items:center;justify-content:center;font-weight:600;color:#fff;margin-right:15px;flex-shrink:0}.contact-info{flex:1;overflow:hidden}.contact-name-row{display:flex;justify-content:space-between;margin-bottom:4px}.contact-name-row h4{font-size:.95rem;font-weight:500;color:var(--text-primary)}.contact-time{font-size:.75rem;color:var(--text-secondary)}.last-msg-row{display:flex;justify-content:space-between}.contact-last-msg{font-size:.85rem;color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-main{flex:1;display:flex;flex-direction:column;background-color:#0b141a;position:relative}.chat-main:before{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background-image:url(https://user-images.githubusercontent.com/15075759/28719144-86dc0f70-73b1-11e7-911d-60d70fcded21.png);background-repeat:repeat;opacity:.06;pointer-events:none}.chat-header{padding:10px 16px;background-color:#202c33;display:flex;justify-content:space-between;align-items:center;z-index:10}.messages-container{flex:1;overflow-y:auto;padding:20px 5%;display:flex;flex-direction:column;gap:4px;z-index:1}.mgt-container{display:flex;flex:1;height:100vh;background-color:var(--bg-dark);color:var(--text-main)}.mgt-sidebar{width:350px;background-color:var(--bg-surface);border-right:1px solid var(--border-light);display:flex;flex-direction:column}.mgt-content{flex:1;padding:40px;overflow-y:auto;background-color:var(--bg-dark)}.profile-card-header{display:flex;align-items:center;gap:30px;margin-bottom:40px}.profile-avatar-large{width:100px;height:100px;border-radius:20px;background:linear-gradient(135deg,var(--primary),#818cf8);display:flex;align-items:center;justify-content:center;font-size:2.5rem;font-weight:700;color:#fff}.mgt-section{background:var(--bg-card);border-radius:12px;padding:24px;margin-bottom:24px;border:1px solid var(--border-light)}.mgt-section-title{font-size:1.1rem;font-weight:600;margin-bottom:20px;color:var(--text-main);display:flex;align-items:center;gap:10px}.mgt-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.mgt-grid-full{grid-column:span 2}.mgt-label{display:block;font-size:.7rem;font-weight:600;text-transform:uppercase;color:var(--text-muted);margin-bottom:6px}.mgt-input{width:100%;padding:10px 14px;background:var(--bg-input);border:1px solid transparent;border-radius:6px;color:var(--text-main);font-size:.9rem;transition:all .2s}.mgt-input:focus{outline:none;border-color:var(--primary)}.mgt-list-item{padding:16px 20px;display:flex;align-items:center;gap:15px;cursor:pointer;border-bottom:1px solid var(--border-light);transition:all .2s}.mgt-list-item:hover{background:var(--bg-card)}.mgt-list-item.active{background:var(--bg-card);border-right:3px solid var(--primary)}.mgt-list-avatar{width:40px;height:40px;border-radius:10px;background:var(--bg-input);display:flex;align-items:center;justify-content:center;font-weight:600}.mgt-list-info h4{font-size:.9rem;font-weight:500;margin-bottom:2px}.mgt-list-info p{font-size:.75rem;color:var(--text-muted)}.message{max-width:65%;padding:8px 12px;font-size:.9rem;position:relative;line-height:1.4;box-shadow:0 1px .5px #00000021}.message.received{align-self:flex-start;background-color:var(--bubble-received);color:var(--text-primary);border-radius:0 8px 8px}.message.sent{align-self:flex-end;background-color:var(--bubble-sent);color:#e9edef;border-radius:8px 0 8px 8px}.message.received:before{content:"";position:absolute;top:0;left:-8px;width:0;height:0;border-top:8px solid var(--bubble-received);border-left:8px solid transparent}.message.sent:after{content:"";position:absolute;top:0;right:-8px;width:0;height:0;border-top:8px solid var(--bubble-sent);border-right:8px solid transparent}.message-meta{display:flex;justify-content:flex-end;align-items:center;gap:4px;margin-top:4px;font-size:.7rem;color:#fff9}.chat-input-area{padding:10px 16px;background-color:#202c33;display:flex;align-items:center;gap:12px;z-index:10}.input-wrapper{flex:1;background-color:#2a3942;border-radius:8px;padding:0 12px;display:flex;align-items:center}.chat-input{background:none;border:none;color:#fff;width:100%;padding:10px;font-size:.95rem}.chat-input:focus{outline:none}.icon-btn{background:none;border:none;color:var(--text-secondary);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:color .2s}.icon-btn:hover{color:var(--text-primary)}.send-btn{color:#00a884}.date-divider{align-self:center;background-color:#182229;padding:6px 12px;border-radius:8px;font-size:.75rem;color:#8696a0;margin:15px 0;text-transform:uppercase;z-index:1}