body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;-webkit-text-size-adjust:100%;margin:0;font-family:-apple-system,BlinkMacSystemFont,SF Pro Display,SF Pro Text,Helvetica Neue,Segoe UI,sans-serif}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}input,button,textarea{font-family:inherit}*{box-sizing:border-box;margin:0;padding:0}:root{--bg-primary:#e8e1d1;--bg-secondary:#ded3ba;--bg-tertiary:#d1c3a4;--surface:#f2ecdd;--surface-hover:#ebe2c9;--surface-raised:#f6f1e5;--text-primary:#2a2618;--text-secondary:#5c5540;--text-tertiary:#8b826a;--border-color:#2a261829;--border-strong:#2a261847;--accent:#bd4a1e;--accent-hover:#a13d17;--accent-light:#bd4a1e1f;--accent-subtle:#bd4a1e12;--accent-contrast:#fbf3e2;--message-sent:var(--accent);--message-sent-text:var(--accent-contrast);--message-received-bg:#f6f1e5;--message-received-text:#2a2618;--sidebar-bg:#e2d8c1;--chat-bg:#e8e1d1;--input-bg:#ded3ba;--input-border:#2a261838;--input-focus:#bd4a1e;--shadow-sm:0 1px 2px #231e0f1f;--shadow-md:0 4px 12px #231e0f29;--shadow-lg:0 12px 32px #231e0f38;--shadow-xl:0 24px 56px #231e0f47;--glass-bg:#f2ecddd1;--glass-border:#fff6;--blur:16px;--radius-sm:4px;--radius-md:6px;--radius-lg:10px;--radius-xl:14px;--radius-full:9999px;--success:#4f7a3a;--danger:#a83a24;--warning:#a3711b;--radius-message:4px;--font-display:"Oswald", "Arial Narrow", sans-serif;--font-mono:"JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;--transition-fast:.15s ease;--transition-normal:.25s ease;--transition-slow:.35s cubic-bezier(.25, .46, .45, .94)}.dark-mode{--bg-primary:#15170e;--bg-secondary:#1d2013;--bg-tertiary:#262a1a;--surface:#1b1e12;--surface-hover:#262a1a;--surface-raised:#262a1a;--text-primary:#ecdfc0;--text-secondary:#9c9576;--text-tertiary:#665f44;--border-color:#fff0c817;--border-strong:#fff0c82e;--accent:#ffab1f;--accent-hover:#ffbe4d;--accent-light:#ffab1f29;--accent-subtle:#ffab1f14;--accent-contrast:#1a1300;--message-sent:var(--accent);--message-sent-text:var(--accent-contrast);--message-received-bg:#23261a;--message-received-text:#ecdfc0;--sidebar-bg:#131509;--chat-bg:#171910;--input-bg:#23261a;--input-border:#fff0c824;--input-focus:#ffab1f;--shadow-sm:0 1px 2px #00000059;--shadow-md:0 4px 14px #00000073;--shadow-lg:0 12px 40px #0000008c;--shadow-xl:0 24px 64px #000000a6;--glass-bg:#1b1e12d1;--glass-border:#fff0c814;--success:#7bd458;--danger:#ff5a3a;--warning:#ffcf4a}body{font-family:var(--font-mono);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:var(--bg-secondary);color:var(--text-primary);font-size:15px;line-height:1.47}.app{background:var(--bg-primary);height:100dvh}.auth-container{background:var(--bg-primary);justify-content:center;align-items:center;height:100dvh;display:flex;position:relative;overflow:hidden}.auth-container:before{content:"";background:radial-gradient(circle, var(--accent-light) 0%, transparent 70%);pointer-events:none;border-radius:50%;width:600px;height:600px;position:absolute;top:-30%;right:-20%}.auth-container:after{content:"";background:radial-gradient(circle, var(--accent-subtle) 0%, transparent 70%);pointer-events:none;border-radius:50%;width:400px;height:400px;position:absolute;bottom:-20%;left:-10%}.auth-box{background:var(--surface-raised);border-radius:var(--radius-xl);box-shadow:var(--shadow-lg);z-index:1;border:1px solid var(--border-color);width:100%;max-width:400px;margin:20px;padding:48px 40px;position:relative}.auth-box h1{text-align:center;color:var(--text-primary);letter-spacing:-.3px;margin-bottom:8px;font-size:26px;font-weight:700}.auth-back{cursor:pointer;transition:color var(--transition-fast), background var(--transition-fast);width:28px!important;height:28px!important;color:var(--text-tertiary)!important;box-shadow:none!important;background:0 0!important;border:none!important;border-radius:50%!important;justify-content:center!important;align-items:center!important;margin-top:0!important;margin-bottom:16px!important;padding:0!important;display:inline-flex!important;transform:none!important}.auth-back:hover{background:var(--bg-secondary)!important;color:var(--text-primary)!important;box-shadow:none!important;transform:none!important}.tagline{text-align:center;color:var(--text-secondary);margin-bottom:32px;font-size:15px;font-weight:400}.auth-box form{flex-direction:column;gap:14px;display:flex}.auth-box input{border:1.5px solid var(--input-border);border-radius:var(--radius-md);background:var(--input-bg);color:var(--text-primary);transition:all var(--transition-fast);padding:14px 16px;font-family:inherit;font-size:16px}.auth-box input::placeholder{color:var(--text-tertiary)}.auth-box input:focus{border-color:var(--input-focus);box-shadow:0 0 0 3px var(--accent-light);background:var(--surface);outline:none}.auth-box button{background:var(--accent);color:var(--accent-contrast);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast);border:none;margin-top:4px;padding:14px 24px;font-family:inherit;font-size:16px;font-weight:600}.auth-box button:hover{background:var(--accent-hover);box-shadow:var(--shadow-md);transform:translateY(-1px)}.auth-box button:active{box-shadow:none;transform:translateY(0)}.switch-view{text-align:center;color:var(--text-secondary);margin-top:24px;font-size:14px}.switch-view span{color:var(--accent);cursor:pointer;transition:opacity var(--transition-fast);font-weight:600}.switch-view span:hover{opacity:.8}.forgot-password{text-align:center;margin-top:12px;font-size:14px}.forgot-password span{color:var(--text-secondary);cursor:pointer;transition:color var(--transition-fast)}.forgot-password span:hover{color:var(--accent)}.chat-container{background:var(--bg-primary);height:100dvh;display:flex}.sidebar{background:var(--sidebar-bg);border-right:1px solid var(--border-color);z-index:10;flex-direction:column;width:360px;display:flex;position:relative}.auth-logo{justify-content:center;margin-bottom:16px;display:flex}.sidebar-actions{align-items:center;gap:10px;display:flex}.theme-toggle{cursor:pointer;color:var(--text-secondary);border-radius:var(--radius-sm);transition:all var(--transition-fast);background:0 0;border:none;justify-content:center;align-items:center;padding:6px;display:flex}.theme-toggle:hover{color:var(--accent);background:var(--accent-light)}.sidebar-header{background:var(--surface);border-bottom:1px solid var(--border-strong);justify-content:space-between;align-items:center;padding:18px 24px;display:flex}.sidebar-header h2{font-family:var(--font-display);color:var(--text-primary);text-transform:uppercase;letter-spacing:.08em;font-size:22px;font-weight:600}.logout-btn{background:var(--danger);color:#fff;border-radius:var(--radius-sm);cursor:pointer;font-size:11px;font-weight:700;font-family:var(--font-display);text-transform:uppercase;letter-spacing:.06em;transition:all var(--transition-fast);border:none;padding:8px 14px}.logout-btn:hover{opacity:.85;transform:scale(1.02)}.search-box{background:var(--surface);border-bottom:1px solid var(--border-color);padding:12px 16px}.search-box input{border:1.5px solid var(--input-border);border-radius:var(--radius-sm);background:var(--input-bg);width:100%;color:var(--text-primary);transition:all var(--transition-fast);font-size:14px;font-family:var(--font-mono);caret-color:var(--accent);padding:10px 14px}.search-box input::placeholder{color:var(--text-tertiary)}.search-box input:focus{border-color:var(--input-focus);box-shadow:0 0 0 3px var(--accent-light);background:var(--surface);outline:none}.section-header{background:var(--bg-secondary);border-bottom:1px solid var(--border-color);padding:8px 24px}.section-header h3{font-family:var(--font-mono);color:var(--text-tertiary);text-transform:uppercase;letter-spacing:.1em;font-size:11px;font-weight:600}.empty-state{text-align:center;color:var(--text-tertiary);font-family:var(--font-mono);padding:48px 24px}.empty-state p{margin:8px 0}.contact-channel-no{color:var(--accent);font-family:var(--font-mono);letter-spacing:0;margin-right:2px;font-weight:600}.empty-state .hint{color:var(--text-tertiary);font-size:14px}.search-results{background:var(--surface);border-bottom:1px solid var(--border-color);max-height:300px;overflow-y:auto}.contacts-list{flex:1;overflow-y:auto}.contact-item{cursor:pointer;transition:background var(--transition-fast);border-bottom:1px solid var(--border-color);border-left:3px solid #0000;align-items:center;gap:14px;padding:14px 24px;display:flex;position:relative}.contact-item:hover{background:var(--surface-hover)}.contact-item.active{background:var(--accent-light);border-left-color:var(--accent)}.contact-item.active:hover{background:var(--accent-light)}.contact-avatar{border-radius:var(--radius-sm);background:linear-gradient(155deg, var(--accent) 0%, var(--accent-hover) 100%);width:48px;height:48px;color:var(--accent-contrast);font-size:17px;font-weight:700;font-family:var(--font-display);letter-spacing:.02em;flex-shrink:0;justify-content:center;align-items:center;display:flex;position:relative}.contact-info{flex:1;min-width:0}.contact-name{font-family:var(--font-display);color:var(--text-primary);text-transform:uppercase;letter-spacing:.03em;margin-bottom:3px;font-size:15px;font-weight:600}.contact-status{color:var(--text-secondary);font-size:13px}.contact-name-row{justify-content:space-between;align-items:center;margin-bottom:3px;display:flex}.contact-time{font-family:var(--font-mono);color:var(--text-tertiary);flex-shrink:0;font-size:11px}.contact-last-message{font-family:var(--font-mono);color:var(--text-secondary);white-space:nowrap;text-overflow:ellipsis;font-size:12.5px;overflow:hidden}.unread-badge{background:var(--accent);min-width:18px;height:18px;color:var(--accent-contrast);border-radius:var(--radius-full);border:2px solid var(--sidebar-bg);justify-content:center;align-items:center;padding:0 5px;font-size:11px;font-weight:600;display:flex;position:absolute;top:-4px;right:-4px}.dark-mode .unread-badge{border-color:var(--sidebar-bg)}.message.unread .message-content{background:var(--accent-light);color:var(--text-primary)}.chat-area{background:var(--chat-bg);flex-direction:column;flex:1;display:flex;position:relative}@keyframes led-blink{0%,45%{opacity:1}50%,95%{opacity:.25}to{opacity:1}}.live-dot{background:var(--accent);width:7px;height:7px;box-shadow:0 0 6px var(--accent);border-radius:50%;flex-shrink:0;animation:2.4s step-end infinite led-blink}.chat-header{background:var(--surface);border-bottom:1px solid var(--border-strong);box-shadow:0 1px 0 var(--border-color) inset;z-index:5;align-items:center;gap:14px;padding:14px 20px;display:flex}.chat-header .back-button{background:var(--bg-tertiary);border:1px solid var(--border-color);cursor:pointer;color:var(--accent);border-radius:var(--radius-sm);transition:background var(--transition-fast);flex-shrink:0;justify-content:center;align-items:center;width:34px;height:34px;padding:6px;display:flex}.chat-header .back-button:hover{background:var(--accent-light)}.chat-header .contact-name{font-family:var(--font-display);text-transform:uppercase;letter-spacing:.05em;font-size:15px}.encryption-status{font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.06em;color:var(--text-secondary);align-items:center;gap:6px;margin-top:3px;font-size:11px;display:flex}.messages-container{background-color:var(--chat-bg);background-image:repeating-linear-gradient(0deg,#00000009 0 1px,#0000 1px 3px);flex-direction:column;flex:1;gap:4px;padding:20px 20px 8px;display:flex;overflow-y:auto}.message{flex-direction:column;max-width:72%;animation:.3s message-appear;display:flex}@keyframes message-appear{0%{opacity:0;transform:translateY(8px)scale(.97)}to{opacity:1;transform:translateY(0)scale(1)}}.message.sent{align-self:flex-end}.message.received{align-self:flex-start}.message-content{border-radius:var(--radius-message);word-wrap:break-word;font-size:14.5px;line-height:1.45;font-family:var(--font-mono);padding:10px 14px}.message.sent .message-content{background:var(--message-sent);color:var(--message-sent-text);border-right:3px solid var(--accent-hover)}.message.received .message-content{background:var(--message-received-bg);color:var(--message-received-text);border-left:3px solid var(--border-strong);box-shadow:var(--shadow-sm)}.message.sending .message-content{opacity:.7}.message-time{font-family:var(--font-mono);letter-spacing:.03em;color:var(--text-tertiary);text-transform:uppercase;margin-top:4px;padding:0 4px;font-size:10.5px}.message.sent .message-time{text-align:right}.media-indicator{border-radius:var(--radius-sm);background:#fff3;margin-top:8px;padding:8px;font-size:13px}.message-input-container{background:var(--surface);border-top:1px solid var(--border-strong);align-items:center;gap:10px;padding:12px 16px;display:flex}.file-upload-btn{cursor:pointer;transition:all var(--transition-fast);border-radius:var(--radius-sm);border:1px solid var(--border-color);background:var(--bg-tertiary);color:var(--text-secondary);flex-shrink:0;justify-content:center;align-items:center;padding:8px;display:flex}.file-upload-btn:hover{background:var(--accent-light);color:var(--accent);border-color:var(--accent)}.message-input-container input{border:1.5px solid var(--input-border);border-radius:var(--radius-sm);background:var(--input-bg);color:var(--text-primary);transition:all var(--transition-fast);font-size:15px;font-family:var(--font-mono);caret-color:var(--accent);flex:1;padding:10px 16px}.message-input-container input::placeholder{color:var(--text-tertiary)}.message-input-container input:focus{border-color:var(--input-focus);box-shadow:0 0 0 3px var(--accent-light);background:var(--surface);outline:none}.ptt-send-btn{background:var(--accent);color:var(--accent-contrast);border-radius:var(--radius-sm);font-size:13px;font-weight:700;font-family:var(--font-display);text-transform:uppercase;letter-spacing:.08em;cursor:pointer;transition:all var(--transition-fast);white-space:nowrap;min-width:72px;box-shadow:0 3px 0 var(--accent-hover), var(--shadow-sm);border:none;flex-shrink:0;padding:10px 22px}.ptt-send-btn:hover{background:var(--accent-hover)}.ptt-send-btn:active{box-shadow:0 1px 0 var(--accent-hover);transform:translateY(2px)}.no-chat-selected{color:var(--text-secondary);text-align:center;background-color:var(--chat-bg);background-image:repeating-linear-gradient(0deg,#00000009 0 1px,#0000 1px 3px);flex-direction:column;flex:1;justify-content:center;align-items:center;gap:16px;padding:40px;display:flex}.no-chat-selected h2{color:var(--text-primary);font-family:var(--font-display);text-transform:uppercase;letter-spacing:.06em;font-size:26px;font-weight:600}.no-chat-selected p{font-family:var(--font-mono);max-width:320px;font-size:13px}.no-chat-selected .features{flex-direction:column;gap:10px;margin-top:24px;display:flex}.no-chat-selected .features div{font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.03em;color:var(--text-secondary);background:var(--surface);border-radius:var(--radius-sm);border:1px solid var(--border-color);align-items:center;gap:10px;padding:10px 18px;font-size:13px;display:flex}.no-chat-selected .features .feature-icon{color:var(--accent);font-weight:700}.typing-indicator{background:var(--surface-raised);border-radius:var(--radius-lg);width:fit-content;box-shadow:var(--shadow-sm);color:var(--text-secondary);border:1px solid var(--border-color);align-items:center;gap:8px;margin:8px 0;padding:10px 14px;font-size:14px;display:flex}.typing-dots{gap:3px;display:flex}.typing-dots span{font-size:18px;line-height:1;animation:1.4s infinite typing-bounce}.typing-dots span:nth-child(2){animation-delay:.2s}.typing-dots span:nth-child(3){animation-delay:.4s}@keyframes typing-bounce{0%,60%,to{transform:translateY(0)}30%{transform:translateY(-6px)}}.message-wrapper{align-items:flex-end;gap:4px;width:100%;display:flex}.sent-wrapper{justify-content:flex-end}.received-wrapper{justify-content:flex-start}.message-delete-btn{cursor:pointer;color:var(--text-tertiary);opacity:0;transition:opacity var(--transition-fast), color var(--transition-fast);border-radius:var(--radius-sm);background:0 0;border:none;flex-shrink:0;margin-bottom:18px;padding:4px 6px;line-height:1}.message-wrapper:hover .message-delete-btn{opacity:1}.message-delete-btn:hover{color:var(--danger)}.message-content.deleted-msg{border:1.5px dashed var(--border-strong);font-style:italic;color:var(--text-tertiary)!important;background:0 0!important}.deleted-text{align-items:center;font-size:14px;display:flex}.message-status{color:var(--text-tertiary);margin-left:4px;font-size:11px}.message.sent .message-status{color:inherit;font-weight:600}.message.sent .message-status.read{color:var(--message-sent)}.online-status{animation:2s infinite pulse-online}@keyframes pulse-online{0%,to{opacity:1}50%{opacity:.6}}.contact-item .online-badge{background:var(--success);border:2px solid var(--surface);border-radius:50%;width:12px;height:12px;position:absolute;bottom:2px;right:2px}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--text-tertiary);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-secondary)}@media (width<=768px){.auth-box{border-radius:var(--radius-lg);max-width:90%;margin:16px;padding:36px 28px}.auth-box h1{margin-bottom:6px;font-size:24px}.tagline{margin-bottom:28px;font-size:14px}.auth-box input{padding:13px 14px;font-size:16px}.auth-box button{padding:13px 20px;font-size:16px}.switch-view{margin-top:20px;font-size:14px}.sidebar{z-index:100;border-right:none;width:100%;height:100dvh;position:fixed;top:0;left:0}.sidebar.show-chat{display:none}.chat-area{width:100%;height:100dvh}.chat-area.show-sidebar{display:none}.chat-container{flex-direction:column}.message{max-width:85%}.message-input-container{padding:10px 12px}.message-input-container input{font-size:16px}.chat-header{padding:12px 16px}.sidebar-header h2{font-size:24px}.contact-item{padding:16px 20px}.message-input-container button{padding:10px 18px}.message-content{padding:10px 14px;font-size:16px}}@media (width<=375px){.auth-box{max-width:340px;margin:12px;padding:28px 22px}.auth-box h1{font-size:22px}.tagline{margin-bottom:24px;font-size:13px}.auth-box input{padding:12px 14px;font-size:15px}.auth-box button{padding:12px;font-size:15px}.message{max-width:90%}.sidebar-header{padding:16px 20px}.message-input-container{padding:10px}.message-input-container button{min-width:56px;padding:10px 14px;font-size:14px}.file-upload-btn{padding:6px;font-size:18px}}@media (height<=500px) and (orientation:landscape){.messages-container{max-height:40vh}}.toast{z-index:2000;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);border:1px solid #0000;align-items:center;gap:10px;width:calc(100% - 40px);max-width:420px;padding:13px 16px;font-size:14px;font-weight:500;animation:.25s cubic-bezier(.34,1.56,.64,1) toast-in;display:flex;position:fixed;top:20px;left:50%;transform:translate(-50%)}@keyframes toast-in{0%{opacity:0;transform:translate(-50%)translateY(-12px)scale(.95)}to{opacity:1;transform:translate(-50%)translateY(0)scale(1)}}.toast-error{background:var(--surface-raised);color:var(--danger);border-color:#ff3b3033}.toast-success{background:var(--surface-raised);color:var(--success);border-color:#34c75933}.toast-info{background:var(--surface-raised);color:var(--accent);border-color:var(--border-color)}.toast-icon{flex-shrink:0;align-items:center;display:flex}.toast-message{color:var(--text-primary);flex:1;line-height:1.4}.toast-close{cursor:pointer;color:var(--text-tertiary);transition:color var(--transition-fast);background:0 0;border:none;border-radius:4px;flex-shrink:0;align-items:center;padding:2px;display:flex}.toast-close:hover{color:var(--text-primary)}.confirm-overlay{-webkit-backdrop-filter:blur(4px);z-index:1500;background:#00000073;justify-content:center;align-items:center;padding:20px;animation:.2s overlay-in;display:flex;position:fixed;inset:0}@keyframes overlay-in{0%{opacity:0}to{opacity:1}}.confirm-modal{background:var(--surface-raised);border-radius:var(--radius-xl);box-shadow:var(--shadow-xl);border:1px solid var(--border-color);text-align:center;flex-direction:column;align-items:center;width:100%;max-width:340px;padding:28px 24px 24px;animation:.25s cubic-bezier(.34,1.56,.64,1) confirm-in;display:flex}@keyframes confirm-in{0%{opacity:0;transform:scale(.9)translateY(10px)}to{opacity:1;transform:scale(1)translateY(0)}}.confirm-icon-wrap{background:var(--accent-light);width:56px;height:56px;color:var(--accent);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;margin-bottom:16px;display:flex}.confirm-modal:has(.confirm-ok-danger) .confirm-icon-wrap{color:var(--danger);background:#ff3b301a}.confirm-title{color:var(--text-primary);letter-spacing:-.2px;margin-bottom:8px;font-size:17px;font-weight:700}.confirm-message{color:var(--text-secondary);margin-bottom:24px;font-size:14px;line-height:1.5}.confirm-actions{gap:10px;width:100%;display:flex}.confirm-cancel{background:var(--bg-tertiary);color:var(--text-primary);border:1px solid var(--border-color);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast);flex:1;padding:12px;font-family:inherit;font-size:15px;font-weight:600}.confirm-cancel:hover{background:var(--surface-hover)}.confirm-ok{background:var(--accent);color:var(--accent-contrast);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast);border:none;flex:1;padding:12px;font-family:inherit;font-size:15px;font-weight:600}.confirm-ok:hover{background:var(--accent-hover);transform:translateY(-1px)}.confirm-ok-danger{background:var(--danger);color:#fff}.confirm-ok-danger:hover{opacity:.85;transform:translateY(-1px)}.settings-overlay{-webkit-backdrop-filter:blur(4px);z-index:1000;background:#0006;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.settings-modal{background:var(--surface-raised);border-radius:var(--radius-xl);box-shadow:var(--shadow-xl);border:1px solid var(--border-color);width:100%;max-width:420px;overflow:hidden}.settings-header{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;padding:20px 24px;display:flex}.settings-header h2{color:var(--text-primary);letter-spacing:-.3px;font-size:20px;font-weight:700}.settings-close{cursor:pointer;color:var(--text-secondary);border-radius:var(--radius-sm);transition:all var(--transition-fast);background:0 0;border:none;justify-content:center;align-items:center;padding:6px;display:flex}.settings-close:hover{color:var(--text-primary);background:var(--surface-hover)}.settings-body{flex-direction:column;gap:8px;padding:20px 24px 24px;display:flex}.settings-section-title{text-transform:uppercase;letter-spacing:.6px;color:var(--text-tertiary);margin-top:12px;margin-bottom:4px;font-size:12px;font-weight:600}.settings-section-title.danger{color:var(--danger)}.settings-row{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:flex-start;gap:16px;padding:12px 0;display:flex}.settings-label{color:var(--text-secondary);flex-shrink:0;font-size:15px}.settings-value{color:var(--text-primary);text-align:right;font-size:15px;font-weight:600}.settings-value-hint{color:var(--text-secondary);text-align:right;font-size:13px;font-weight:400;line-height:1.5}.settings-danger-zone{margin-top:8px;padding-top:8px}.settings-delete-btn{background:var(--danger);color:#fff;border-radius:var(--radius-md);cursor:pointer;width:100%;transition:all var(--transition-fast);border:none;margin-top:8px;padding:12px 20px;font-family:inherit;font-size:15px;font-weight:600}.settings-delete-btn:hover{opacity:.85;transform:translateY(-1px)}.settings-delete-btn:active{transform:translateY(0)}.settings-delete-hint{color:var(--text-tertiary);text-align:center;margin-top:8px;font-size:13px;line-height:1.5}@keyframes lp-fade-up{0%{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}@keyframes lp-fade-in{0%{opacity:0}to{opacity:1}}@keyframes lp-scale-in{0%{opacity:0;transform:scale(.96)translateY(16px)}to{opacity:1;transform:scale(1)translateY(0)}}@keyframes message-pop{0%{opacity:0;transform:translateY(8px)scale(.97)}to{opacity:1;transform:translateY(0)scale(1)}}.lp{background:var(--bg-primary);color:var(--text-primary);min-height:100vh;font-family:var(--font-mono);-webkit-font-smoothing:antialiased;overflow-x:hidden}.lp-nav{z-index:100;background:var(--glass-bg);-webkit-backdrop-filter:saturate(160%)blur(16px);border-bottom:1px solid var(--border-strong);justify-content:space-between;align-items:center;height:60px;padding:0 40px;animation:.6s both lp-fade-in;display:flex;position:fixed;top:0;left:0;right:0}.lp-nav-brand{font-family:var(--font-display);letter-spacing:.04em;text-transform:uppercase;color:var(--text-primary);align-items:center;gap:10px;font-size:17px;font-weight:600;text-decoration:none;display:flex}.lp-nav-actions{align-items:center;gap:10px;display:flex}.lp-btn-ghost{border-radius:var(--radius-sm);color:var(--text-secondary);font-family:var(--font-display);text-transform:uppercase;letter-spacing:.05em;cursor:pointer;transition:color var(--transition-fast), background var(--transition-fast);background:0 0;border:1px solid #0000;padding:8px 16px;font-size:12px;font-weight:600}.lp-btn-ghost:hover{color:var(--text-primary);background:var(--bg-secondary)}.lp-btn-primary{border-radius:var(--radius-sm);background:var(--accent);color:var(--accent-contrast);font-family:var(--font-display);text-transform:uppercase;letter-spacing:.05em;cursor:pointer;transition:background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);box-shadow:0 2px 0 var(--accent-hover);border:none;padding:9px 18px;font-size:12px;font-weight:700}.lp-btn-primary:hover{background:var(--accent-hover)}.lp-btn-primary:active{box-shadow:none;transform:translateY(2px)}.lp-hero{text-align:center;flex-direction:column;justify-content:center;align-items:center;min-height:100dvh;padding:110px 24px 80px;display:flex;position:relative;overflow:hidden}.lp-hero-grid{pointer-events:none;background-image:linear-gradient(var(--border-color) 1px, transparent 1px), linear-gradient(90deg, var(--border-color) 1px, transparent 1px);opacity:.7;background-size:42px 42px;position:absolute;inset:0;-webkit-mask-image:radial-gradient(60% 50% at 50% 30%,#000 40%,#0000 90%);mask-image:radial-gradient(60% 50% at 50% 30%,#000 40%,#0000 90%)}.lp-hero-vignette{pointer-events:none;background:radial-gradient(at 50% 0,#0000 45%,#00000024 100%);position:absolute;inset:0}.lp-freq-strip{border:1px solid var(--border-strong);border-radius:var(--radius-sm);background:var(--surface);color:var(--text-secondary);letter-spacing:.08em;text-transform:uppercase;opacity:0;align-items:center;gap:10px;margin-bottom:22px;padding:7px 16px;font-size:11px;font-weight:600;animation:.6s both lp-fade-up;display:inline-flex;position:relative}.lp-freq-sep{color:var(--border-strong)}.lp-freq-live{color:var(--accent);align-items:center;gap:6px;display:inline-flex}.lp-signal-bars{align-items:flex-end;gap:2px;margin-left:4px;display:inline-flex}.lp-signal-bars span{background:var(--accent);border-radius:1px;width:3px;display:block}.lp-badge{border-radius:var(--radius-sm);border:1px solid var(--border-strong);background:var(--accent-light);color:var(--accent);font-family:var(--font-display);letter-spacing:.06em;text-transform:uppercase;opacity:0;align-items:center;gap:8px;margin-bottom:26px;padding:7px 16px;font-size:12px;font-weight:600;animation:.7s .1s both lp-fade-up;display:inline-flex}.lp-headline{font-family:var(--font-display);text-transform:uppercase;letter-spacing:-.01em;color:var(--text-primary);opacity:0;max-width:820px;margin:0 auto 24px;font-size:clamp(42px,7vw,80px);font-weight:700;line-height:1.04;animation:.7s .2s both lp-fade-up}.lp-headline em{color:var(--accent);font-style:normal}.lp-sub{font-family:var(--font-mono);color:var(--text-secondary);opacity:0;max-width:520px;margin:0 auto 44px;font-size:clamp(14px,2vw,16px);font-weight:400;line-height:1.65;animation:.7s .32s both lp-fade-up}.lp-hero-ctas{opacity:0;justify-content:center;align-items:center;gap:12px;margin-bottom:64px;animation:.7s .44s both lp-fade-up;display:flex}.lp-btn-cta{border-radius:var(--radius-sm);background:var(--accent);color:var(--accent-contrast);font-family:var(--font-display);text-transform:uppercase;letter-spacing:.04em;cursor:pointer;transition:background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);box-shadow:0 4px 0 var(--accent-hover), var(--shadow-md);border:none;align-items:center;gap:8px;padding:15px 26px;font-size:14px;font-weight:700;display:inline-flex}.lp-btn-cta:hover{background:var(--accent-hover)}.lp-btn-cta:active{box-shadow:0 1px 0 var(--accent-hover);transform:translateY(3px)}.lp-btn-outline{border-radius:var(--radius-sm);border:1.5px solid var(--border-strong);background:var(--surface);color:var(--text-primary);font-family:var(--font-display);text-transform:uppercase;letter-spacing:.04em;cursor:pointer;transition:background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);align-items:center;gap:8px;padding:14px 24px;font-size:14px;font-weight:600;display:inline-flex}.lp-btn-outline:hover{background:var(--bg-secondary);border-color:var(--accent)}.lp-mockup-wrap{text-align:left;opacity:0;width:100%;max-width:780px;margin:0 auto;animation:.9s cubic-bezier(.25,.46,.45,.94) .55s both lp-scale-in;position:relative}.lp-mockup{background:linear-gradient(155deg, var(--bg-tertiary) 0%, var(--surface) 100%);border-radius:var(--radius-lg);border:1px solid var(--border-strong);box-shadow:var(--shadow-xl);padding:10px;position:relative}.lp-mockup-inner{border-radius:var(--radius-md);border:1px solid var(--border-color);height:460px;display:flex;overflow:hidden}.lp-rivet{background:var(--border-strong);border-radius:50%;width:6px;height:6px;position:absolute;box-shadow:inset 0 1px 1px #0000004d}.lp-rivet-tl{top:8px;left:8px}.lp-rivet-tr{top:8px;right:8px}.lp-rivet-bl{bottom:8px;left:8px}.lp-rivet-br{bottom:8px;right:8px}.lp-antenna{background:linear-gradient(var(--border-strong), var(--text-tertiary));transform-origin:bottom;z-index:2;border-radius:2px;width:3px;height:34px;position:absolute;top:-22px;right:56px;transform:rotate(14deg)}.lp-antenna:after{content:"";background:var(--accent);border-radius:50%;width:7px;height:7px;position:absolute;top:-4px;left:50%;transform:translate(-50%)}.lp-mock-sidebar{background:var(--sidebar-bg);border-right:1px solid var(--border-color);flex-direction:column;flex-shrink:0;width:210px;padding:14px 0;display:flex}.lp-mock-sidebar-header{border-bottom:1px solid var(--border-color);margin-bottom:8px;padding:0 16px 14px}.lp-mock-wt-label{font-family:var(--font-display);letter-spacing:.08em;color:var(--text-primary);align-items:center;gap:6px;font-size:13px;font-weight:700;display:flex}.lp-mock-contact{cursor:default;border-left:3px solid #0000;align-items:center;gap:10px;padding:10px 16px;display:flex}.lp-mock-contact.active{background:var(--accent-subtle);border-left-color:var(--accent)}.lp-mock-avatar{border-radius:var(--radius-sm);width:34px;height:34px;font-family:var(--font-display);color:#fff;flex-shrink:0;justify-content:center;align-items:center;font-size:13px;font-weight:700;display:flex}.lp-mock-contact-info{flex:1;min-width:0}.lp-mock-contact-name{font-family:var(--font-mono);color:var(--text-primary);white-space:nowrap;text-overflow:ellipsis;font-size:11.5px;font-weight:600;overflow:hidden}.lp-mock-contact-preview{font-family:var(--font-mono);color:var(--text-tertiary);white-space:nowrap;text-overflow:ellipsis;text-transform:uppercase;letter-spacing:.03em;margin-top:2px;font-size:10.5px;overflow:hidden}.lp-mock-contact-preview.enc{color:var(--accent)}.lp-mock-chat{background:var(--chat-bg);flex-direction:column;flex:1;display:flex}.lp-mock-chat-header{background:var(--surface);border-bottom:1px solid var(--border-strong);align-items:center;gap:10px;padding:13px 18px;display:flex}.lp-mock-chat-title{font-family:var(--font-display);text-transform:uppercase;letter-spacing:.04em;color:var(--text-primary);flex:1;font-size:13px;font-weight:600}.lp-mock-enc-badge{border-radius:var(--radius-sm);border:1px solid var(--border-color);background:var(--accent-light);color:var(--accent);font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.06em;align-items:center;gap:6px;padding:3px 10px;font-size:9.5px;font-weight:600;display:flex}.lp-mock-messages{background-image:repeating-linear-gradient(0deg,#00000009 0 1px,#0000 1px 3px);flex-direction:column;flex:1;gap:8px;padding:16px;display:flex;overflow:hidden}.lp-mock-msg{border-radius:var(--radius-message);max-width:76%;font-family:var(--font-mono);padding:8px 12px;font-size:11.5px;line-height:1.5}.lp-mock-msg.sent{background:var(--accent);color:var(--accent-contrast);border-right:3px solid var(--accent-hover);align-self:flex-end;animation:.4s both message-pop}.lp-mock-msg.recv{background:var(--message-received-bg);color:var(--text-primary);border-left:3px solid var(--border-strong);align-self:flex-start;animation:.4s both message-pop}.lp-mock-msg:first-child{animation-delay:.7s}.lp-mock-msg:nth-child(2){animation-delay:.9s}.lp-mock-msg:nth-child(3){animation-delay:1.1s}.lp-mock-msg:nth-child(4){animation-delay:1.3s}.lp-mock-msg:nth-child(5){animation-delay:1.5s}.lp-mock-msg-time{opacity:.65;text-align:right;text-transform:uppercase;margin-top:3px;font-size:9.5px}.lp-mock-input-row{background:var(--surface);border-top:1px solid var(--border-strong);align-items:center;gap:8px;padding:11px 14px;display:flex}.lp-mock-input{border-radius:var(--radius-sm);border:1.5px solid var(--input-border);background:var(--input-bg);font-family:var(--font-mono);color:var(--text-tertiary);flex:1;padding:8px 14px;font-size:11px}.lp-mock-send{border-radius:var(--radius-sm);background:var(--accent);color:var(--accent-contrast);font-family:var(--font-display);letter-spacing:.06em;box-shadow:0 2px 0 var(--accent-hover);border:none;justify-content:center;align-items:center;padding:8px 14px;font-size:10px;font-weight:700;display:flex}.lp-mockup-lock{background:var(--surface-raised);border:1px solid var(--border-strong);box-shadow:var(--shadow-md);border-radius:var(--radius-sm);font-family:var(--font-mono);letter-spacing:.04em;text-transform:uppercase;color:var(--text-primary);white-space:nowrap;align-items:center;gap:8px;padding:9px 16px;font-size:11px;font-weight:600;display:flex;position:absolute;bottom:-16px;right:40px}.lp-section{max-width:1100px;margin:0 auto;padding:100px 24px}.lp-section-tag{font-family:var(--font-display);letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:16px;font-size:11px;font-weight:700}.lp-section-heading{font-family:var(--font-display);text-transform:uppercase;letter-spacing:.01em;color:var(--text-primary);margin-bottom:16px;font-size:clamp(28px,4vw,44px);font-weight:600;line-height:1.15}.lp-section-sub{font-family:var(--font-mono);color:var(--text-secondary);max-width:540px;font-size:15px;line-height:1.7}.lp-features{background:var(--bg-secondary);border-top:1px solid var(--border-color);border-bottom:1px solid var(--border-color);padding:100px 24px}.lp-features-inner{max-width:1100px;margin:0 auto}.lp-features-header{text-align:center;margin-bottom:60px}.lp-features-grid{grid-template-columns:repeat(3,1fr);gap:16px;display:grid}.lp-feature-card{background:var(--surface);border-radius:var(--radius-md);border:1px solid var(--border-color);transition:box-shadow var(--transition-normal), transform var(--transition-normal), border-color var(--transition-normal);padding:28px 26px}.lp-feature-card:hover{box-shadow:var(--shadow-lg);border-color:var(--border-strong);transform:translateY(-3px)}.lp-feature-icon{border-radius:var(--radius-sm);background:var(--accent-light);width:44px;height:44px;color:var(--accent);justify-content:center;align-items:center;margin-bottom:18px;display:flex}.lp-feature-title{font-family:var(--font-display);text-transform:uppercase;letter-spacing:.02em;color:var(--text-primary);margin-bottom:8px;font-size:16px;font-weight:600}.lp-feature-desc{font-family:var(--font-mono);color:var(--text-secondary);font-size:13px;line-height:1.7}.lp-security{background:var(--bg-primary);padding:100px 24px}.lp-security-inner{grid-template-columns:1fr 1fr;align-items:center;gap:80px;max-width:1100px;margin:0 auto;display:grid}.lp-security-cards{flex-direction:column;gap:12px;display:flex}.lp-security-card{background:var(--bg-secondary);border-radius:var(--radius-sm);border:1px solid var(--border-color);align-items:flex-start;gap:14px;padding:16px 18px;display:flex}.lp-security-card-icon{border-radius:var(--radius-sm);background:var(--accent-light);width:34px;height:34px;color:var(--accent);flex-shrink:0;justify-content:center;align-items:center;display:flex}.lp-security-card-title{font-family:var(--font-display);text-transform:uppercase;letter-spacing:.04em;color:var(--text-primary);margin-bottom:4px;font-size:13px;font-weight:700}.lp-security-card-desc{font-family:var(--font-mono);color:var(--text-secondary);font-size:12px;line-height:1.6}.lp-cta-banner{background:var(--bg-secondary);text-align:center;border-top:1px solid var(--border-color);padding:80px 24px}.lp-cta-banner-inner{max-width:600px;margin:0 auto}.lp-cta-banner h2{font-family:var(--font-display);text-transform:uppercase;letter-spacing:.01em;color:var(--text-primary);margin-bottom:14px;font-size:clamp(26px,4vw,40px);font-weight:600}.lp-cta-banner p{font-family:var(--font-mono);color:var(--text-secondary);margin-bottom:36px;font-size:15px;line-height:1.6}.lp-cta-banner-btns{justify-content:center;align-items:center;gap:12px;display:flex}.lp-footer{border-top:1px solid var(--border-strong);background:var(--bg-primary);justify-content:space-between;align-items:center;padding:32px 40px;display:flex}.lp-footer-brand{font-family:var(--font-display);text-transform:uppercase;letter-spacing:.04em;color:var(--text-secondary);align-items:center;gap:8px;font-size:13px;font-weight:600;display:flex}.lp-footer-note{font-family:var(--font-mono);color:var(--text-tertiary);font-size:11px}.lp-footer-links{gap:20px;display:flex}.lp-footer-link{font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.03em;color:var(--text-tertiary);cursor:pointer;transition:color var(--transition-fast);font-size:11px;text-decoration:none}.lp-footer-link:hover{color:var(--text-secondary)}@media (width<=900px){.lp-features-grid{grid-template-columns:1fr 1fr}.lp-security-inner{grid-template-columns:1fr;gap:48px}.lp-mock-sidebar{display:none}}@media (width<=640px){.lp-nav{padding:0 20px}.lp-features-grid{grid-template-columns:1fr}.lp-hero-ctas{flex-direction:column;width:100%}.lp-btn-cta,.lp-btn-outline{justify-content:center;width:100%}.lp-freq-strip{flex-wrap:wrap;justify-content:center;row-gap:4px}.lp-mockup-inner{height:320px}.lp-antenna{display:none}.lp-footer{text-align:center;flex-direction:column;gap:20px;padding:28px 20px}.lp-footer-links{justify-content:center}.lp-cta-banner-btns{flex-direction:column;width:100%}}