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.2s}.pwd-close-btn:hover{background:#e2e8f0;color:#0f172a}.pwd-header{text-align:center;margin-bottom:24px}.pwd-header-icon{width:60px;height:60px;background:linear-gradient(135deg,#f1f5f9,#e2e8f0);border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 16px;color:var(--primary-color);box-shadow:0 8px 16px #0000000d}.pwd-header h2{margin:0 0 6px;color:#1e293b;font-size:20px}.pwd-header p{margin:0;color:#64748b;font-size:14px}.pwd-form{display:flex;flex-direction:column;gap:16px}.pwd-form-group{display:flex;flex-direction:column;gap:6px}.pwd-form-label{font-size:13px;font-weight:600;color:#475569}.pwd-input-wrapper{position:relative;display:flex;align-items:center}.pwd-input{width:100%;padding:12px 42px 12px 16px;border-radius:12px;border:1px solid #cbd5e1;background-color:#f8fafc;font-size:14px;color:#1e293b;transition:all .2s;box-sizing:border-box}.pwd-input:focus{background-color:#fff;border-color:var(--primary-color);box-shadow:0 0 0 3px #667eea26;outline:none}.pwd-eye-icon{position:absolute;right:14px;color:#94a3b8;cursor:pointer;transition:color .2s}.pwd-eye-icon:hover{color:#475569}.pwd-actions{margin-top:24px;display:flex;gap:12px}.pwd-btn-cancel{flex:1;padding:12px;border-radius:12px;border:none;background:#f1f5f9;color:#475569;font-weight:600;cursor:pointer;transition:background .2s}.pwd-btn-cancel:hover{background:#e2e8f0}.pwd-btn-save{flex:1;padding:12px;border-radius:12px;border:none;background:var(--primary-gradient);color:#fff;font-weight:600;cursor:pointer;transition:transform .2s,box-shadow .2s}.pwd-btn-save:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 15px #667eea4d}.pwd-btn-save:disabled{opacity:.6;cursor:not-allowed}:root{--primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);--primary-color: #667eea;--primary-hover: #5a67d8;--bg-layout: linear-gradient(145deg, #f4f7f9 0%, #e9ecef 100%);--bg-card: #ffffff;--bg-chat-area: #ffffff;--text-main: #1e293b;--text-secondary: #64748b;--text-on-primary: #ffffff;--border-color: #e2e8f0;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .04);--shadow-md: 0 8px 24px rgba(102, 126, 234, .08);--shadow-lg: 4px 0 24px rgba(0, 0, 0, .03);--msg-received-bg: #f1f5f9;--msg-received-text: #1e293b;--avatar-bg: #10b981;--transition-fast: all .2s cubic-bezier(.4, 0, .2, 1);--transition-normal: all .3s cubic-bezier(.4, 0, .2, 1)}.chat-layout{display:flex;height:100vh;width:100vw;background:var(--bg-layout);font-family:Inter,Segoe UI,Roboto,Helvetica,Arial,sans-serif;overflow:hidden;color:var(--text-main)}.chat-sidebar{width:380px;background-color:var(--bg-card);display:flex;flex-direction:column;box-shadow:var(--shadow-lg);z-index:10;border-radius:0 24px 24px 0}.chat-main{flex:1;display:flex;flex-direction:column;background-color:var(--bg-chat-area);margin:12px 12px 12px 16px;border-radius:24px;box-shadow:var(--shadow-md);position:relative;overflow:hidden}.sidebar-header{padding:16px 20px 8px;background-color:var(--bg-card);position:relative;border-radius:0 24px 0 0;display:flex;flex-direction:column;gap:12px}.header-top-row{display:flex;justify-content:space-between;align-items:center}.header-user-wrapper{display:flex;align-items:center;gap:12px;cursor:pointer;padding:6px 10px;border-radius:12px;transition:var(--transition-fast)}.header-user-wrapper:hover{background-color:#f8fafc}.current-user .username{font-weight:700;font-size:1.15rem;color:var(--text-main)}.avatar{width:48px;height:48px;border-radius:50%;background-color:var(--avatar-bg);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.2rem;border:2px solid #ffffff;box-shadow:0 4px 10px #0000000f;transition:transform .2s ease,box-shadow .2s ease;flex-shrink:0}.avatar:hover{transform:scale(1.05);box-shadow:0 6px 16px #0000001f}.avatar.default-avatar{background:var(--primary-gradient)}.status-dot{position:absolute;bottom:0;right:0;width:14px;height:14px;border-radius:50%;border:2px solid #ffffff;z-index:2;box-shadow:0 1px 3px #0000001a}.status-dot.online{background-color:#10b981;animation:pulse 2s infinite}.status-dot.offline{background-color:#94a3b8}.status-dot.disabled{background-color:#ef4444}@keyframes pulse{0%{box-shadow:0 0 #10b98199}70%{box-shadow:0 0 0 6px #10b98100}to{box-shadow:0 0 #10b98100}}.profile-dropdown{position:absolute;top:60px;left:20px;background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:12px;box-shadow:0 10px 25px #0000001a;z-index:100;display:flex;flex-direction:column;padding:8px 0;width:220px;animation:fadeIn .2s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.dropdown-item{padding:12px 20px;display:flex;align-items:center;gap:12px;cursor:pointer;font-size:14.5px;font-weight:500;color:var(--text-main);transition:var(--transition-fast)}.dropdown-item:hover{background-color:#f8fafc;color:var(--primary-color)}.dropdown-item.text-danger{color:#ef4444;border-top:1px solid var(--border-color);margin-top:4px;padding-top:12px}.dropdown-item.text-danger:hover{background-color:#fef2f2;color:#dc2626}.search-box{position:relative;padding:8px 20px 16px}.search-icon{position:absolute;left:36px;top:28%;color:#94a3b8;font-size:18px}.search-input{width:100%;padding:14px 16px 14px 44px;border-radius:20px;border:1px solid transparent;outline:none;background-color:#f1f5f9;box-sizing:border-box;font-size:15px;transition:var(--transition-fast)}.search-input:focus{background-color:#fff;border-color:var(--primary-color);box-shadow:0 0 0 4px #667eea26}.sidebar-tabs{display:flex;padding:0 20px;margin-bottom:8px;border-bottom:1px solid var(--border-color)}.tab-item{flex:1;text-align:center;padding:14px 0;font-size:15px;font-weight:600;color:var(--text-secondary);cursor:pointer;position:relative;transition:var(--transition-fast)}.tab-item:hover,.tab-item.active{color:var(--primary-color)}.tab-item.active:after{content:"";position:absolute;bottom:-1px;left:10%;width:80%;height:3px;background:var(--primary-gradient);border-radius:3px 3px 0 0}.contact-item{display:flex;padding:14px 16px;gap:16px;cursor:pointer;border-radius:16px;margin:4px 12px;align-items:center;transition:all .2s cubic-bezier(.4,0,.2,1);background:transparent;animation:fade-in-up .3s ease forwards;opacity:0;position:relative;z-index:1}.contact-item:hover,.contact-item:focus-within,.contact-item:has(.friend-action-dropdown){z-index:50}.contact-item:nth-child(1){animation-delay:.05s}.contact-item:nth-child(2){animation-delay:.1s}.contact-item:nth-child(3){animation-delay:.15s}.contact-item:nth-child(4){animation-delay:.2s}.contact-item:nth-child(5){animation-delay:.25s}@keyframes fade-in-up{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.contact-item:hover{background:#667eea0a;transform:translate(4px)}.contact-item.active{background:#667eea14;border-left:4px solid var(--primary-color);border-radius:16px 16px 16px 4px}.contact-info{flex:1;display:flex;flex-direction:column;justify-content:center;overflow:hidden}.contact-name{font-weight:700;font-size:15.5px;color:var(--text-main);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:4px}.contact-last-message{font-size:13.5px;color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}@keyframes urgent-pulse{0%{box-shadow:0 0 #667eea99}70%{box-shadow:0 0 0 8px #667eea00}to{box-shadow:0 0 #667eea00}}.unread-badge{background:var(--primary-gradient);color:#fff;font-size:11px;font-weight:700;padding:2px 8px;border-radius:12px;margin-left:8px;animation:badge-pop .3s ease,urgent-pulse 2s infinite}.btn-add-friend{padding:6px 14px;background-color:#e7f3ff;color:var(--primary-color);border:none;border-radius:16px;font-size:12px;font-weight:700;cursor:pointer;transition:var(--transition-fast);white-space:nowrap;display:flex;align-items:center;gap:4px}.btn-add-friend:hover{background-color:#dbeafe;transform:translateY(-1px)}.chat-header{padding:16px 24px;background-color:var(--bg-card);border-bottom:1px solid var(--border-color);display:flex;align-items:center;gap:16px;box-shadow:0 4px 15px #00000005;z-index:5}.chat-header-info h3{margin:0 0 2px;font-size:1.1rem;font-weight:700;color:var(--text-main)}.message-list{flex:1;padding:24px 32px;overflow-y:auto;display:flex;flex-direction:column;gap:16px;background-color:var(--bg-chat-area)}.message{max-width:65%;display:flex;flex-direction:column;position:relative}.message-content{padding:14px 18px;font-size:15px;line-height:1.5;box-shadow:0 2px 5px #00000008;max-width:fit-content}.message.received{align-self:flex-start}.message.received .message-content{background-color:var(--msg-received-bg);color:var(--msg-received-text);border-radius:22px 22px 22px 4px}.message.received .message-content:before{content:"";position:absolute;bottom:0;left:-8px;width:16px;height:16px;background:var(--msg-received-bg);border-bottom-right-radius:16px;z-index:-1}.message.sent{align-self:flex-end;align-items:flex-end}.message.sent .message-content{background:var(--primary-gradient);color:var(--text-on-primary);border-radius:22px 22px 4px;animation:sent-pop .3s cubic-bezier(.175,.885,.32,1.275)}.message.sent .message-content:before{content:"";position:absolute;bottom:0;right:-8px;width:16px;height:16px;background:var(--primary-color);border-bottom-left-radius:16px;z-index:-1}.message-time{font-size:11px;color:#94a3b8;margin-top:6px;opacity:0;transition:var(--transition-fast)}.message:hover .message-time{opacity:1}.chat-input-area{padding:20px 24px;background-color:var(--bg-card);display:flex;align-items:center;gap:16px;border-top:1px solid var(--border-color)}.message-input{flex:1;padding:16px 20px;border-radius:28px;border:1px solid var(--border-color);outline:none;font-size:15px;background-color:#f8fafc;transition:var(--transition-fast)}.message-input:focus{background-color:#fff;border-color:var(--primary-color);box-shadow:inset 0 0 0 1px var(--primary-color)}.btn-send{padding:14px 28px;background:var(--primary-gradient);background-size:200% auto;color:#fff;border:none;border-radius:28px;font-weight:700;font-size:15px;cursor:pointer;transition:all .3s;display:flex;align-items:center;gap:8px;box-shadow:0 4px 12px #667eea4d}.btn-send:hover{background-position:right center;transform:translateY(-2px);box-shadow:0 6px 16px #667eea66}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;color:#94a3b8;text-align:center;padding:20px;background-color:var(--bg-chat-area)}.empty-state-icon-wrapper{width:140px;height:140px;border-radius:50%;background:linear-gradient(135deg,#f1f5f9,#e2e8f0);display:flex;align-items:center;justify-content:center;margin-bottom:24px;box-shadow:0 10px 25px #0000000d}.empty-state h3{font-size:22px;font-weight:700;margin:0 0 12px;color:#334155}.empty-state p{font-size:15px;max-width:320px;line-height:1.6}.typing-indicator{display:flex;align-items:center;gap:6px;padding:12px 20px;background:#f1f5f9d9;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-radius:22px 22px 22px 4px;width:fit-content;box-shadow:0 2px 8px #00000005}.typing-indicator span:not(.typing-text){width:6px;height:6px;background-color:var(--primary-color);border-radius:50%;animation:typing-bounce 1.4s infinite ease-in-out}.typing-indicator span:nth-child(1){animation-delay:-.32s}.typing-indicator span:nth-child(2){animation-delay:-.16s}.typing-text{font-size:13px;color:var(--primary-color);margin-left:6px;font-style:italic;font-weight:600}@keyframes sent-pop{0%{transform:scale(.95);opacity:.7}50%{transform:scale(1.02)}to{transform:scale(1);opacity:1}}@keyframes badge-pop{0%{transform:scale(.8);opacity:.5}50%{transform:scale(1.2)}to{transform:scale(1);opacity:1}}@keyframes typing-bounce{0%,80%,to{transform:scale(.6);opacity:.6}40%{transform:scale(1);opacity:1}}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#cbd5e0;border-radius:8px;transition:background .2s}::-webkit-scrollbar-thumb:hover{background:#94a3b8}:root{--toastify-toast-width: 360px;--toastify-toast-bd-radius: 16px;--toastify-font-family: inherit;--toastify-z-index: 9999;--toastify-color-light: #ffffff;--toastify-color-info: var(--primary-color);--toastify-color-success: #10b981;--toastify-color-warning: #f59e0b;--toastify-color-error: #ef4444;--toastify-text-color-light: #1e293b}.Toastify__toast{box-shadow:0 10px 30px #00000014,0 1px 3px #0000000d!important;border:1px solid var(--border-color);padding:16px 20px!important;margin-bottom:16px!important;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.Toastify__toast-body{padding:0!important;margin:0!important;font-size:14.5px;font-weight:500;line-height:1.5;gap:16px}.Toastify__toast-icon{width:38px!important;height:38px!important;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0}.Toastify__toast--info .Toastify__toast-icon{background-color:#667eea1a;color:var(--primary-color)}.Toastify__toast--success .Toastify__toast-icon{background-color:#10b9811f;color:#10b981}.Toastify__toast--error .Toastify__toast-icon{background-color:#ef44441f;color:#ef4444}.Toastify__progress-bar{height:3px!important;border-bottom-left-radius:16px;opacity:.7}@keyframes bell-ring{0%{transform:rotate(0)}10%{transform:rotate(25deg)}20%{transform:rotate(-25deg)}30%{transform:rotate(15deg)}40%{transform:rotate(-15deg)}50%{transform:rotate(10deg)}60%{transform:rotate(-10deg)}70%{transform:rotate(5deg)}80%{transform:rotate(-5deg)}to{transform:rotate(0)}}.ringing-bell svg{animation:bell-ring .8s ease-in-out;transform-origin:top center}.header-bell-badge{position:absolute;top:-4px;right:-4px;background:#ef4444;color:#fff;font-size:10px;font-weight:700;min-width:16px;height:16px;border-radius:10px;display:flex;align-items:center;justify-content:center;border:2px solid #ffffff;box-shadow:0 2px 4px #ef444466;animation:badge-pop .3s ease;z-index:2}.friend-action-dropdown{position:absolute;right:0;top:100%;background:#fff;box-shadow:0 10px 25px #0000001a;border-radius:12px;z-index:100;width:160px;overflow:hidden;border:1px solid var(--border-color);animation:fadeIn .2s ease}.friend-action-item{padding:12px 16px;font-size:13.5px;cursor:pointer;display:flex;align-items:center;gap:10px;transition:background .2s;font-weight:500}.friend-action-item:hover{background-color:#f8fafc}