@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap";
:root{--bg-base:#090d16;--bg-surface:#0f172ab8;--bg-elevated:#1e293ba6;--bg-overlay:#0f172ad9;--bg-secondary:#0f172aa6;--bg-tertiary:#1e293b99;--bg-card:#1e293bf2;--border-subtle:#ffffff12;--border-default:#ffffff1f;--border-strong:#93c5fd40;--border-color:#ffffff1a;--glass-border:1px solid #ffffff17;--glass-border-specular:1px solid #93c5fd38;--glass-blur:16px;--text-primary:#f8fafc;--text-secondary:#94a3b8;--text-muted:#64748b;--text-inverse:#090d16;--accent-500:#3b82f6;--accent-400:#60a5fa;--accent-300:#93c5fd;--accent-600:#30afff;--accent-glow:#3b82f640;--accent-gradient:linear-gradient(135deg, #3b82f6 0%, #6366f1 100%);--accent-secondary:#818cf8;--accent-secondary-soft:#a5b4fc;--accent-secondary-glow:#818cf838;--secondary-gradient:linear-gradient(135deg, #818cf8 0%, #c084fc 100%);--accent-tertiary:#f472b6;--accent-tertiary-hover:#fb7185;--accent-tertiary-glow:#f472b64d;--tertiary-gradient:linear-gradient(135deg, #f472b6 0%, #e11d48 100%);--color-online:#34d399;--color-offline:#64748b;--color-error:#f87171;--color-warning:#fbbf24;--color-success:#10b981;--color-danger:#ef4444;--color-danger-strong:#dc2626;--bubble-self:linear-gradient(135deg, #3b82f6eb 0%, #6366f1eb 100%);--bubble-self-border:#93c5fd52;--bubble-peer:#1e293be0;--bubble-peer-border:#ffffff24;--bubble-system:#3b82f61a;--space-1:.25rem;--space-2:.5rem;--space-3:.75rem;--space-4:1rem;--space-5:1.25rem;--space-6:1.5rem;--space-8:2rem;--space-12:3rem;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:24px;--radius-full:9999px;--shadow-sm:0 1px 3px #0006;--shadow-md:0 4px 16px #00000080;--shadow-lg:0 8px 32px #0009;--shadow-glow:0 0 24px var(--accent-glow);--transition-fast:.12s ease;--transition-base:.2s ease;--transition-normal:.2s ease;--transition-slow:.35s ease;--font-sans:"Inter", system-ui, -apple-system, sans-serif;--color-verified:#38bdf8;--color-sky:#38bdf8;--color-cyan-neon:#00f2fe;--text-on-accent:#fff;--tint-accent-05:#3b82f60d;--tint-accent-08:#3b82f614;--tint-accent-10:#3b82f61a;--tint-accent-12:#3b82f61f;--tint-accent-15:#3b82f626;--tint-accent-20:#3b82f633;--tint-accent-25:#3b82f640;--tint-accent-30:#3b82f64d;--tint-accent-35:#3b82f659;--tint-accent-40:#3b82f666;--tint-error-08:#ef444414;--tint-error-10:#ef44441a;--tint-error-15:#ef444426;--tint-error-25:#ef444440;--tint-error-30:#ef44444d;--wa-bg-dark:#111b21;--wa-bg-elevated:#1f2c34;--wa-text-primary:#e9edef;--wa-text-muted:#8696a0;--wa-border:#cbd5e1;--border-focus:#3b82f680;--bg-input:#0f172a99;--bg-surface-hover:#1e293bcc;--z-base:1;--z-dropdown:100;--z-sticky:110;--z-overlay:120;--z-modal:1100;--z-modal-top:1200;--z-toast:1300;--z-critical:1400}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html,body{overscroll-behavior:none;background-color:var(--bg-base);height:100%;min-height:100%;color:var(--text-primary);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:15px;line-height:1.6;overflow:hidden}h1{letter-spacing:-.02em;font-size:2rem;font-weight:700}h2{letter-spacing:-.01em;font-size:1.5rem;font-weight:600}h3{font-size:1.25rem;font-weight:600}h4{font-size:1rem;font-weight:600}.visually-hidden{clip:rect(0,0,0,0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.landing-page{min-height:100vh;padding:var(--space-6);background:radial-gradient(ellipse 80% 60% at 25% -10%, #3b82f62e 0%, transparent 60%), radial-gradient(ellipse 70% 50% at 85% 110%, #818cf829 0%, transparent 55%), radial-gradient(circle at 50% 50%, #f472b60f 0%, transparent 45%), var(--bg-base);justify-content:center;align-items:center;display:flex}.landing-card{background:var(--bg-surface);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--border-default);border-radius:var(--radius-xl);width:100%;max-width:440px;padding:var(--space-8);animation:fadeSlideUp var(--transition-slow) ease both;box-shadow:0 16px 40px #0009,0 0 30px #3b82f61f}.landing-logo{align-items:center;gap:var(--space-3);margin-bottom:var(--space-6);display:flex}.landing-logo-icon{background:var(--accent-glow);border:1px solid var(--accent-500);border-radius:var(--radius-md);justify-content:center;align-items:center;width:44px;height:44px;font-size:1.4rem;display:flex}.landing-logo-brand{border-radius:var(--radius-md);background:url(/icon-192x192.png) 50%/cover no-repeat;width:44px;height:44px}.landing-logo h1{background:linear-gradient(135deg, var(--accent-300), var(--accent-500));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-size:1.5rem}.landing-subtitle{color:var(--text-secondary);margin-bottom:var(--space-8);font-size:.875rem}.form-group{gap:var(--space-2);margin-bottom:var(--space-4);flex-direction:column;display:flex}.form-label{color:var(--text-secondary);letter-spacing:.02em;text-transform:uppercase;font-size:.8125rem;font-weight:500}.form-input{width:100%;padding:var(--space-3) var(--space-4);background:var(--bg-elevated);border:1px solid var(--border-default);border-radius:var(--radius-md);color:var(--text-primary);font-family:var(--font-sans);transition:border-color var(--transition-fast), box-shadow var(--transition-fast);outline:none;font-size:.9375rem}.form-input::placeholder{color:var(--text-muted)}.form-input:focus{border-color:var(--accent-500);box-shadow:0 0 0 3px var(--accent-glow)}.form-input.input-error{border-color:var(--color-error);box-shadow:0 0 0 3px #f8514926}.form-hint{color:var(--text-muted);font-size:.75rem;line-height:1.5}.form-hint code{background:var(--bg-overlay);border-radius:var(--radius-sm);color:var(--accent-400);padding:1px 5px;font-size:.7rem}.form-divider{align-items:center;gap:var(--space-3);margin:var(--space-4) 0;color:var(--text-muted);font-size:.75rem;display:flex}.form-divider:before,.form-divider:after{content:"";background:var(--border-subtle);flex:1;height:1px}.btn{justify-content:center;align-items:center;gap:var(--space-2);padding:var(--space-3) var(--space-5);border-radius:var(--radius-md);font-family:var(--font-sans);cursor:pointer;transition:all var(--transition-fast);white-space:nowrap;border:none;font-size:.9375rem;font-weight:500;display:inline-flex}.btn:disabled{opacity:.4;cursor:not-allowed}.btn-primary{background:var(--accent-gradient);color:var(--text-on-accent);width:100%;padding:var(--space-3) var(--space-4);box-shadow:0 4px 14px #3b82f659}.btn-primary:hover:not(:disabled){background:linear-gradient(135deg, var(--accent-400) 0%, var(--accent-secondary) 100%);transform:translateY(-1px);box-shadow:0 6px 20px #3b82f680}.btn-primary:active:not(:disabled){transform:translateY(0)}.btn-secondary{border:1px solid var(--border-default);color:var(--text-secondary);padding:var(--space-3) var(--space-4);background:#ffffff14}.btn-secondary:hover:not(:disabled){color:var(--text-primary);background:#ffffff24;border-color:#ffffff40;transform:translateY(-1px)}.btn-secondary:active:not(:disabled){transform:translateY(0)}.chat-layout{background:var(--bg-base);flex-direction:column;max-width:800px;height:100vh;margin:0 auto;display:flex}.status-bar{align-items:center;gap:var(--space-3);padding:var(--space-3) var(--space-5);background:var(--bg-surface);-webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);border-bottom:1px solid var(--border-subtle);z-index:50;flex-shrink:0;min-height:60px;display:flex;position:sticky;top:0}.status-bar-left{align-items:center;gap:var(--space-3);flex:1;min-width:0;display:flex}.status-avatar{border-radius:var(--radius-full);background:var(--bg-elevated);border:1.5px solid var(--border-default);flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;font-size:1rem;display:flex}.status-info{min-width:0}.status-name{white-space:nowrap;text-overflow:ellipsis;font-size:.9375rem;font-weight:600;overflow:hidden}.status-sub{color:var(--text-secondary);white-space:nowrap;text-overflow:ellipsis;font-size:.75rem;overflow:hidden}.status-indicator{align-items:center;gap:var(--space-2);padding:var(--space-1) var(--space-3);border-radius:var(--radius-full);flex-shrink:0;font-size:.75rem;font-weight:500;display:flex}.status-indicator.connected{color:var(--color-online);background:#3fb9501f}.status-indicator.disconnected,.status-indicator.reconnecting{color:var(--text-secondary);background:#484f5833}.status-indicator.connecting{color:var(--color-warning);background:#d299221f}.status-dot{border-radius:var(--radius-full);background:currentColor;flex-shrink:0;width:7px;height:7px}.status-indicator.connected .status-dot{animation:2s infinite pulse-dot}.status-indicator.reconnecting .status-dot{animation:1s step-end infinite blink}.status-indicator-dot-only{border-radius:var(--radius-full);background:var(--bg-elevated);border:1px solid var(--border-subtle);flex-shrink:0;justify-content:center;align-items:center;width:24px;height:24px;display:flex}.status-indicator-dot-only.connected{color:var(--color-success);background:#22c55e1f;border-color:#22c55e4d}.status-indicator-dot-only.connecting{color:#eab308;background:#eab3081f;border-color:#eab3084d}.status-indicator-dot-only.disconnected,.status-indicator-dot-only.reconnecting{color:var(--text-secondary);background:#94a3b81f;border-color:#94a3b84d}.status-indicator-dot-only .status-dot{border-radius:var(--radius-full);background:currentColor;flex-shrink:0;width:8px;height:8px}.status-indicator-dot-only.connected .status-dot{animation:2s infinite pulse-dot;box-shadow:0 0 6px #22c55ecc}.chat-window{padding:var(--space-5);gap:var(--space-3);scroll-behavior:smooth;background:radial-gradient(70% 50% at 85% 15%,#6366f114 0%,#0000 70%),radial-gradient(60% 50% at 15% 80%,#3b82f612 0%,#0000 70%),radial-gradient(50% 40% at 50% 95%,#f472b60d 0%,#0000 60%);flex-direction:column;flex:1;display:flex;overflow-y:auto}.chat-window::-webkit-scrollbar{width:4px}.chat-window::-webkit-scrollbar-track{background:0 0}.chat-window::-webkit-scrollbar-thumb{background:var(--border-default);border-radius:var(--radius-full)}.chat-empty{justify-content:center;align-items:center;gap:var(--space-3);color:var(--text-muted);text-align:center;padding:var(--space-8);flex-direction:column;flex:1;display:flex}.chat-empty-icon{opacity:.4;font-size:2.5rem}.chat-status-center{padding:var(--space-6);flex:1;justify-content:center;align-items:center;display:flex}.chat-sync-card{text-align:center;max-width:380px;padding:var(--space-6) var(--space-5);background:var(--bg-surface);border:1px solid var(--border-default);border-radius:var(--radius-lg);-webkit-backdrop-filter:var(--glass-blur);flex-direction:column;justify-content:center;align-items:center;animation:.3s fadeIn;display:flex;box-shadow:0 16px 40px #00000080,0 0 25px #3b82f61a}.chat-sync-card.error{background:#ef44440d;border-color:#ef444440}.sync-spinner{border:3px solid #ffffff1a;border-top-color:var(--accent-500);border-right-color:var(--accent-400);width:36px;height:36px;margin-bottom:var(--space-4);border-radius:50%;animation:.8s linear infinite spin}.sync-icon{margin-bottom:var(--space-3);opacity:.9;font-size:2.2rem}.sync-title{color:var(--text-primary);letter-spacing:-.01em;margin:0 0 6px;font-size:1.05rem;font-weight:600}.sync-desc{margin:0 0 var(--space-4) 0;color:var(--text-muted);font-size:.84rem;line-height:1.55}.sync-retry-btn{border-radius:var(--radius-md);cursor:pointer;align-items:center;gap:6px;padding:8px 18px;font-size:.875rem;font-weight:600;transition:all .2s;display:inline-flex}.sync-retry-btn:hover{transform:translateY(-1px);box-shadow:0 4px 16px #3b82f666}.message-row{flex-direction:column;max-width:76%;animation:.2s both fadeSlideUp;display:flex}.message-row.self{align-self:flex-end;align-items:flex-end}.message-row.peer{align-self:flex-start;align-items:flex-start}.message-row.system{align-self:center;align-items:center;max-width:90%}.message-row-inner{align-items:flex-end;gap:var(--space-2);width:100%;display:flex}.message-row.self .message-row-inner{justify-content:flex-end}.message-row.peer .message-row-inner{justify-content:flex-start}.message-row.system .message-row-inner{justify-content:center}.message-peer-avatar{border-radius:var(--radius-full);-webkit-user-select:none;user-select:none;cursor:default;flex-shrink:0;justify-content:center;align-items:center;width:28px;min-width:28px;height:28px;margin-bottom:2px;font-size:.75rem;font-weight:700;line-height:1;display:flex}.message-content-wrapper{flex-direction:column;min-width:0;max-width:100%;display:flex}.message-row.self .message-content-wrapper{align-items:flex-end}.message-row.peer .message-content-wrapper{align-items:flex-start}.message-row.system .message-content-wrapper{align-items:center}.message-bubble{padding:var(--space-3) var(--space-4);border-radius:var(--radius-lg);word-break:break-word;font-size:.9375rem;line-height:1.5}.message-row.self .message-bubble{background:var(--bubble-self);border:1px solid var(--bubble-self-border);border-bottom-right-radius:var(--radius-sm);color:var(--text-on-accent);box-shadow:0 4px 14px #3b82f638}.message-row.peer .message-bubble{background:var(--bubble-peer);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border:1px solid var(--bubble-peer-border);border-bottom-left-radius:var(--radius-sm);color:var(--text-primary);box-shadow:0 4px 16px #00000059,inset 0 1px #ffffff14}.message-row.system .message-bubble{background:var(--bubble-system);color:var(--accent-300);text-align:center;border-radius:var(--radius-full);padding:var(--space-1) var(--space-4);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border:1px solid #3b82f640;font-size:.8125rem}.message-row.system.security-notice{max-width:88%}.message-row.system.security-notice .message-bubble{color:var(--color-warning);text-align:center;border-radius:var(--radius-lg);padding:var(--space-2) var(--space-4);background:#fbbf2414;border:1px solid #fbbf2459;font-size:.8rem;font-weight:500;line-height:1.5}.message-text-content{white-space:pre-wrap;word-break:break-word;transition:max-height .25s;position:relative}.message-text-clamped{max-height:160px;overflow:hidden;-webkit-mask-image:linear-gradient(#000 60%,#0000 100%);mask-image:linear-gradient(#000 60%,#0000 100%)}.read-more-actions{align-items:center;gap:var(--space-3);margin-top:6px;padding-top:4px;display:flex}.read-more-toggle-btn{color:var(--accent-300);cursor:pointer;border-radius:var(--radius-sm);transition:all var(--transition-fast);text-underline-offset:3px;background:0 0;border:none;align-items:center;gap:4px;padding:2px 4px;font-size:.8125rem;font-weight:600;text-decoration:underline;display:inline-flex}.read-more-toggle-btn:hover{color:var(--text-on-accent);background:#ffffff1a}.message-row.peer .read-more-toggle-btn{color:var(--accent-400)}.read-mode-modal-btn{color:var(--text-primary);cursor:pointer;border-radius:var(--radius-sm);transition:all var(--transition-fast);background:#ffffff14;border:1px solid #ffffff26;align-items:center;gap:4px;padding:2px 8px;font-size:.75rem;font-weight:500;display:inline-flex}.read-mode-modal-btn:hover{background:#ffffff2e;border-color:#ffffff4d}.message-sender{color:var(--accent-400);padding:0 var(--space-1);margin-bottom:2px;font-size:.75rem;font-weight:600}.message-meta{color:var(--text-muted);padding:0;font-size:.6875rem}.message-row.peer .message-meta,.message-row.peer .message-meta-row{color:#e2e8f0bf!important}.message-row.self .message-meta,.message-row.self .message-meta-row{color:#ffffffe0!important}.message-meta-row{color:var(--text-muted);margin-top:var(--space-1);padding:0 var(--space-1);align-items:center;gap:4px;font-size:.6875rem;display:flex}.msg-edited-label{opacity:.8;-webkit-user-select:none;user-select:none;margin-right:2px;font-size:.65rem;font-style:italic}.message-forwarded-badge{color:var(--text-muted);-webkit-user-select:none;user-select:none;align-items:center;gap:4px;margin-bottom:4px;font-size:.7rem;font-style:italic;display:inline-flex}.message-row.peer .message-forwarded-badge{color:#e2e8f0bf!important}.message-row.self .message-forwarded-badge{color:#fffc!important}.forwarded-icon{font-size:.75rem;font-style:normal}.forwarded-text{font-weight:500}.receipt-icon{-webkit-user-select:none;user-select:none;vertical-align:middle;transition:color var(--transition-fast), filter var(--transition-fast);justify-content:center;align-items:center;line-height:1;display:inline-flex}.receipt-icon .receipt-svg{vertical-align:middle;width:auto;height:12px;display:inline-block}.receipt-icon.receipt-pending{opacity:.75;font-size:.75rem}.receipt-icon.receipt-sent,.receipt-icon.receipt-delivered{color:var(--text-muted)}.receipt-icon.receipt-read{color:var(--color-cyan-neon);filter:drop-shadow(0 1px 2px #0009)drop-shadow(0 0 5px #00f2fe99)}.message-row.self .receipt-icon.receipt-sent,.message-row.self .receipt-icon.receipt-delivered{color:#ffffffd1;filter:drop-shadow(0 1px 2px #0009)}.message-row.self .receipt-icon.receipt-read{color:var(--color-cyan-neon);filter:drop-shadow(0 1px 2px #000000f2)drop-shadow(0 0 8px #00f2fee6)}.message-bubble-wrapper{flex-direction:column;display:inline-flex;position:relative}.ctx-dropdown{z-index:99990;transform-origin:0 0;background:#1e2730;border:1px solid #ffffff1a;border-radius:12px;flex-direction:column;gap:2px;min-width:210px;padding:6px;animation:.12s cubic-bezier(.16,1,.3,1) both ctxFadeIn;display:flex;position:fixed;overflow:hidden;box-shadow:0 16px 48px #000000b8,0 4px 12px #0006}@keyframes ctxFadeIn{0%{opacity:0;transform:scale(.92)translateY(-4px)}to{opacity:1;transform:scale(1)translateY(0)}}.ctx-emoji-row{justify-content:space-around;align-items:center;gap:2px;padding:6px 4px 8px;display:flex}.ctx-emoji-btn{cursor:pointer;background:0 0;border:none;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;font-size:1.5rem;line-height:1;transition:transform .12s cubic-bezier(.34,1.56,.64,1),background .12s;display:flex}.ctx-emoji-btn:hover,.ctx-emoji-btn:active{background:#ffffff1a;transform:scale(1.35)}.ctx-emoji-btn--active{background:#63b3ed2e;box-shadow:inset 0 0 0 1.5px #63b3ed80}.ctx-emoji-btn--active:hover{background:#63b3ed47}.ctx-separator{background:#ffffff12;flex-shrink:0;height:1px;margin:2px 0}.ctx-item{cursor:pointer;color:#ffffffd9;text-align:left;-webkit-user-select:none;user-select:none;background:0 0;border:none;border-radius:8px;align-items:center;gap:12px;width:100%;padding:9px 12px;font-size:.9rem;font-weight:500;transition:background .1s,color .1s;display:flex}.ctx-item:hover,.ctx-item:active{color:var(--text-on-accent);background:#ffffff12}.ctx-item-icon{text-align:center;opacity:.85;flex-shrink:0;width:22px;font-size:1rem}.ctx-item-label{flex:1}.ctx-item-badge{color:#ffffff59;white-space:nowrap;flex-shrink:0;font-size:.7rem}.ctx-item--pinned .ctx-item-icon{filter:drop-shadow(0 0 3px #fbbf24cc)}.ctx-item--danger{color:var(--color-error)}.ctx-item--danger:hover,.ctx-item--danger:active{color:var(--color-error);background:#ef44441f}.ctx-backdrop{z-index:99990;-webkit-backdrop-filter:blur(4px);background:#0000008c;align-items:flex-end;animation:.2s both ctxBackdropIn;display:flex;position:fixed;inset:0}@keyframes ctxBackdropIn{0%{opacity:0}to{opacity:1}}.ctx-bottom-sheet{width:100%;padding:8px 8px max(16px, env(safe-area-inset-bottom,16px));background:#1e2730;border-top:1px solid #ffffff14;border-top-left-radius:20px;border-top-right-radius:20px;flex-direction:column;gap:2px;max-height:85dvh;animation:.25s cubic-bezier(.16,1,.3,1) both ctxSheetUp;display:flex;overflow-y:auto}@keyframes ctxSheetUp{0%{opacity:.5;transform:translateY(100%)}to{opacity:1;transform:translateY(0)}}.ctx-bottom-sheet-handle{background:#fff3;border-radius:2px;flex-shrink:0;width:36px;height:4px;margin:0 auto 8px}.ctx-bottom-sheet-actions{flex-direction:column;gap:2px;display:flex}.ctx-bottom-sheet .ctx-item{border-radius:10px;padding:12px 16px;font-size:.95rem}.ctx-bottom-sheet .ctx-emoji-btn{width:44px;height:44px;font-size:1.7rem}.message-quote-box{border-left:3px solid var(--accent-500);border-radius:var(--radius-sm);cursor:pointer;-webkit-user-select:none;user-select:none;background:#00000040;flex-direction:column;margin-bottom:6px;padding:4px 8px;font-size:.75rem;transition:background .15s,border-left-color .15s,transform 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