@import"https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap";:root{--bg-primary: #0b141a;--bg-secondary: #111b21;--bg-card: rgba(17, 27, 33, .95);--bg-glass: rgba(32, 44, 51, .8);--bg-glass-hover: rgba(42, 57, 66, .9);--bg-input: rgba(32, 44, 51, .9);--border-glass: rgba(134, 150, 160, .15);--border-focus: rgba(0, 168, 132, .6);--text-primary: #e9edef;--text-secondary: #8696a0;--text-muted: #667781;--accent-gradient: linear-gradient(135deg, #00a884 0%, #25d366 100%);--accent-primary: #00a884;--accent-secondary: #25d366;--accent-glow: rgba(0, 168, 132, .25);--success: #25d366;--error: #ea4335;--warning: #f59e0b;--msg-outgoing: #005c4b;--msg-incoming: #202c33;--header-bg: #1f2c33;--radius-sm: 8px;--radius-md: 10px;--radius-lg: 12px;--radius-xl: 16px;--shadow-lg: 0 10px 40px rgba(0, 0, 0, .5);--shadow-glow: 0 0 20px var(--accent-glow);--transition: all .25s cubic-bezier(.4, 0, .2, 1)}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html,body{height:100%}body{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{min-height:100vh}a{color:var(--accent-primary);text-decoration:none;transition:var(--transition)}a:hover{color:var(--accent-secondary)}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;background:radial-gradient(ellipse at 20% 50%,rgba(0,168,132,.06) 0%,transparent 50%),radial-gradient(ellipse at 80% 20%,rgba(37,211,102,.04) 0%,transparent 50%),radial-gradient(ellipse at 50% 100%,rgba(0,168,132,.03) 0%,transparent 50%),var(--bg-primary);position:relative;overflow:hidden}.auth-page:before{content:"";position:absolute;top:0;left:0;right:0;height:220px;background:var(--accent-primary);z-index:0}.auth-page:after{content:"";position:absolute;width:500px;height:500px;border-radius:50%;background:radial-gradient(circle,rgba(37,211,102,.04),transparent 70%);bottom:-150px;right:-150px;animation:float 10s ease-in-out infinite}@keyframes float{0%,to{transform:translateY(0) scale(1)}50%{transform:translateY(-20px) scale(1.03)}}.auth-card{width:100%;max-width:440px;background:var(--bg-card);border:1px solid var(--border-glass);border-radius:var(--radius-xl);padding:48px 40px;box-shadow:var(--shadow-lg);position:relative;z-index:1;animation:slideUp .5s ease-out}@keyframes slideUp{0%{opacity:0;transform:translateY(25px)}to{opacity:1;transform:translateY(0)}}.auth-card .logo{text-align:center;margin-bottom:32px}.auth-card .logo h1{font-size:28px;font-weight:700;color:var(--text-primary);letter-spacing:-.5px}.auth-card .logo p{color:var(--text-secondary);font-size:14px;margin-top:6px}.form-group{margin-bottom:20px}.form-group label{display:block;font-size:13px;font-weight:500;color:var(--text-secondary);margin-bottom:8px;letter-spacing:.3px}.form-group input{width:100%;padding:12px 16px;background:var(--bg-input);border:1px solid var(--border-glass);border-radius:var(--radius-md);color:var(--text-primary);font-size:15px;font-family:inherit;transition:var(--transition);outline:none}.form-group input:focus{border-color:var(--accent-primary);box-shadow:0 0 0 2px var(--accent-glow)}.form-group input::placeholder{color:var(--text-muted)}.form-group .error-text{color:var(--error);font-size:12px;margin-top:6px;display:block}.btn-primary{width:100%;padding:13px;background:var(--accent-primary);border:none;border-radius:var(--radius-md);color:#fff;font-size:15px;font-weight:600;font-family:inherit;cursor:pointer;transition:var(--transition);letter-spacing:.3px;position:relative;overflow:hidden}.btn-primary:hover{background:#009e7a;transform:translateY(-1px);box-shadow:var(--shadow-glow)}.btn-primary:active{transform:translateY(0)}.btn-primary:disabled{opacity:.6;cursor:not-allowed;transform:none}.auth-footer{text-align:center;margin-top:24px;font-size:14px;color:var(--text-secondary)}.auth-footer a{font-weight:600}.alert{padding:12px 16px;border-radius:var(--radius-sm);font-size:14px;margin-bottom:20px;animation:fadeIn .3s ease}.alert-error{background:#ea43351f;border:1px solid rgba(234,67,53,.25);color:#f28b82}.alert-success{background:#25d3661f;border:1px solid rgba(37,211,102,.25);color:#86efac}@keyframes fadeIn{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}.chat-page{height:100vh;display:flex;flex-direction:column;background:var(--bg-primary)}.chat-header{display:flex;align-items:center;justify-content:space-between;padding:10px 20px;background:var(--header-bg);border-bottom:none;flex-shrink:0}.chat-header .brand{font-size:20px;font-weight:700;color:var(--text-primary)}.chat-header .user-info{display:flex;align-items:center;gap:12px}.chat-header .user-avatar{width:36px;height:36px;border-radius:50%;background:var(--accent-primary);display:flex;align-items:center;justify-content:center;font-weight:600;font-size:14px;color:#fff}.chat-header .user-name{font-size:14px;font-weight:500;color:var(--text-primary)}.btn-logout{padding:8px 16px;background:#ea43351a;border:1px solid rgba(234,67,53,.2);border-radius:var(--radius-sm);color:#f28b82;font-size:13px;font-weight:500;font-family:inherit;cursor:pointer;transition:var(--transition)}.btn-logout:hover{background:#ea433533}.chat-body{flex:1;display:flex;overflow:hidden}.sidebar{width:320px;background:var(--bg-secondary);border-right:1px solid var(--border-glass);display:flex;flex-direction:column;flex-shrink:0}.sidebar-header{padding:16px 20px;background:var(--header-bg)}.sidebar-header h2{font-size:16px;font-weight:600;color:var(--text-primary);letter-spacing:-.2px}.group-list{flex:1;overflow-y:auto;padding:8px}.group-item{padding:14px 16px;background:transparent;border:none;border-radius:var(--radius-md);margin-bottom:2px;transition:var(--transition);cursor:pointer}.group-item:hover{background:var(--bg-glass)}.group-item.active{background:var(--bg-glass-hover)}.group-item-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px}.group-icon{width:44px;height:44px;border-radius:50%;background:var(--accent-primary);display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0}.group-name{font-size:15px;font-weight:500;color:var(--text-primary);margin-left:14px;flex:1}.group-members-count{font-size:12px;color:var(--text-muted);margin-top:2px;padding-left:58px}.btn-join{padding:6px 18px;background:var(--accent-primary);border:none;border-radius:20px;color:#fff;font-size:12px;font-weight:600;font-family:inherit;cursor:pointer;transition:var(--transition);letter-spacing:.3px}.btn-join:hover{background:#009e7a;box-shadow:0 2px 10px var(--accent-glow)}.btn-join:disabled{opacity:.5;cursor:not-allowed;transform:none}.btn-joined{padding:6px 16px;background:#25d3661a;border:1px solid rgba(37,211,102,.2);border-radius:20px;color:var(--accent-secondary);font-size:12px;font-weight:600;font-family:inherit;cursor:default}.chat-window{flex:1;display:flex;flex-direction:column;background:var(--bg-primary);position:relative}.chat-window:before{content:"";position:absolute;inset:0;background-image:radial-gradient(circle at 20% 30%,rgba(0,168,132,.02) 0%,transparent 50%),radial-gradient(circle at 80% 70%,rgba(37,211,102,.02) 0%,transparent 50%);pointer-events:none;z-index:0}.chat-window-header{padding:10px 20px;border-bottom:none;display:flex;align-items:center;gap:14px;background:var(--header-bg);position:relative;z-index:1}.chat-window-header .group-badge{width:42px;height:42px;border-radius:50%;background:var(--accent-primary);display:flex;align-items:center;justify-content:center;font-size:20px}.chat-window-header .group-details h3{font-size:16px;font-weight:500}.chat-window-header .group-details p{font-size:12px;color:var(--text-muted)}.members-online{display:flex;gap:4px;margin-left:auto}.member-dot{width:32px;height:32px;border-radius:50%;background:var(--bg-glass);border:2px solid var(--header-bg);display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:600;color:var(--text-secondary);margin-left:-8px}.member-dot:first-child{margin-left:0}.messages-area{flex:1;overflow-y:auto;padding:20px 60px;display:flex;flex-direction:column;gap:2px;position:relative;z-index:1}.messages-area::-webkit-scrollbar{width:6px}.messages-area::-webkit-scrollbar-track{background:transparent}.messages-area::-webkit-scrollbar-thumb{background:#8696a033;border-radius:3px}.message{max-width:65%;animation:messageIn .25s ease}@keyframes messageIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.message.own{align-self:flex-end}.message.other{align-self:flex-start}.message-sender{font-size:12px;font-weight:600;color:var(--accent-secondary);margin-bottom:2px;padding-left:8px}.message.own .message-sender{text-align:right;padding-right:8px;padding-left:0;color:#53bdeb}.message-bubble{padding:8px 14px;border-radius:8px;font-size:14px;line-height:1.5;word-wrap:break-word;position:relative}.message.other .message-bubble{background:var(--msg-incoming);border-bottom-left-radius:0;color:var(--text-primary)}.message.own .message-bubble{background:var(--msg-outgoing);border-bottom-right-radius:0;color:var(--text-primary)}.message-time{font-size:11px;color:var(--text-muted);margin-top:2px;padding:0 8px}.message.own .message-time{text-align:right}.message-input-area{padding:10px 16px;background:var(--header-bg);display:flex;align-items:center;gap:10px;position:relative;z-index:1}.message-input-area input{flex:1;padding:10px 18px;background:var(--bg-input);border:none;border-radius:8px;color:var(--text-primary);font-size:14px;font-family:inherit;outline:none;transition:var(--transition)}.message-input-area input:focus{background:#2a3942}.message-input-area input::placeholder{color:var(--text-muted)}.btn-send{width:44px;height:44px;border-radius:50%;background:var(--accent-primary);border:none;color:#fff;font-size:18px;cursor:pointer;transition:var(--transition);display:flex;align-items:center;justify-content:center;flex-shrink:0}.btn-send:hover{background:#009e7a}.btn-send:disabled{opacity:.4;cursor:not-allowed;transform:none}.chat-placeholder{flex:1;display:flex;align-items:center;justify-content:center;flex-direction:column;color:var(--text-muted);gap:16px;position:relative;z-index:1}.chat-placeholder .icon{font-size:64px;opacity:.3}.chat-placeholder h3{font-size:20px;font-weight:600;color:var(--text-secondary)}.chat-placeholder p{font-size:14px;max-width:300px;text-align:center;line-height:1.6}.spinner{width:20px;height:20px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .6s linear infinite;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:768px){.auth-card{padding:32px 24px;margin:12px}.sidebar{width:260px}.chat-header{padding:10px 14px}.messages-area{padding:16px 20px}.message{max-width:85%}.message-input-area{padding:10px 12px}}@media(max-width:480px){.chat-body{flex-direction:column}.sidebar{width:100%;max-height:200px}}