:root{--bg: #0f1117;--surface: #1a1d27;--surface-2: #242836;--border: #2e3345;--text: #e8eaf0;--text-muted: #8b90a0;--primary: #5b8def;--primary-hover: #4a7de0;--danger: #ef5b5b;--mine: #2d4a7a;--peer: #2a2e3d;--success: #4caf82;--shadow: 0 8px 32px rgba(0, 0, 0, .35);--safe-bottom: env(safe-area-inset-bottom, 0px)}*{box-sizing:border-box}html,body{margin:0;height:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text)}.page{min-height:100vh;display:flex;flex-direction:column}button,input,textarea{font:inherit}a{color:var(--primary);text-decoration:none}.hidden{display:none!important}.login-page{align-items:center;justify-content:center;padding:24px}.login-card{width:100%;max-width:380px;background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:32px 28px;box-shadow:var(--shadow)}.login-card h1{margin:0 0 8px;font-size:1.5rem}.login-card p{margin:0 0 24px;color:var(--text-muted);font-size:.9rem}.field{margin-bottom:16px}.field label{display:block;margin-bottom:6px;font-size:.85rem;color:var(--text-muted)}.field input{width:100%;padding:12px 14px;border-radius:10px;border:1px solid var(--border);background:var(--surface-2);color:var(--text);outline:none}.field input:focus{border-color:var(--primary)}.password-wrap{position:relative}.password-wrap button{position:absolute;right:8px;top:50%;transform:translateY(-50%);border:none;background:transparent;color:var(--text-muted);cursor:pointer;padding:4px 8px}.btn{border:none;border-radius:10px;padding:12px 18px;cursor:pointer;transition:background .15s,opacity .15s}.btn-primary{width:100%;background:var(--primary);color:#fff;font-weight:600}.btn-primary:hover:not(:disabled){background:var(--primary-hover)}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.error-text{color:var(--danger);font-size:.85rem;margin-top:12px;min-height:1.2em}.chat-page{height:100vh;max-height:100dvh;position:relative}.chat-header{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:8px 12px;background:var(--surface);border-bottom:1px solid var(--border);flex-shrink:0}.chat-header-info{display:flex;align-items:center;gap:4px;min-width:0;flex:1}.chat-header h1{margin:0;font-size:.95rem;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.header-sep{color:var(--text-muted);font-size:.75rem;flex-shrink:0;opacity:.6}.chat-header .status{font-size:.75rem;color:var(--text-muted);flex-shrink:0;line-height:1}.chat-header .status.online{color:var(--success)}.chat-header .status.offline{color:var(--text-muted)}.chat-header .actions{display:flex;align-items:center;gap:6px;flex-shrink:0}.chat-header .actions button{background:transparent;border:1px solid var(--border);color:var(--text-muted);border-radius:6px;padding:4px 8px;font-size:.75rem;cursor:pointer;line-height:1.2}.chat-header .actions button:active{opacity:.7}.messages{flex:1;overflow-y:auto;padding:8px 10px;display:flex;flex-direction:column;gap:4px}.message-block{display:flex;flex-direction:column;gap:4px;width:100%}.message-time-gap{display:flex;align-items:center;align-self:stretch;gap:10px;margin:12px 8px;color:var(--text-muted);font-size:.7rem;letter-spacing:.08em;text-transform:lowercase;-webkit-user-select:none;user-select:none}.message-time-gap:before,.message-time-gap:after{content:"";flex:1;height:1px;background:var(--border);opacity:.85}.message-time-gap span{flex-shrink:0;opacity:.75}.message{max-width:78%;padding:4px 8px;border-radius:8px;word-break:break-word;white-space:pre-wrap;line-height:1.3;font-size:.9rem;display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:flex-end;column-gap:6px;row-gap:0;animation:fadeIn .15s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}.message.mine{align-self:flex-end;background:var(--mine);border-bottom-right-radius:4px}.message.peer{align-self:flex-start;background:var(--peer);border-bottom-left-radius:4px;justify-content:flex-start}.message.peer .message-meta{order:2}.message.pending{opacity:.65}.message-content{flex:1 1 auto;min-width:0}.message-meta{flex:0 0 auto;font-size:.62rem;line-height:1;color:var(--text-muted);opacity:.8;display:inline-flex;align-items:center;gap:3px;white-space:nowrap;margin-bottom:1px}.composer{display:flex;gap:10px;padding:12px 16px calc(12px + var(--safe-bottom));background:var(--surface);border-top:1px solid var(--border);flex-shrink:0}.composer textarea{flex:1;resize:none;min-height:44px;max-height:120px;padding:10px 12px;border-radius:12px;border:1px solid var(--border);background:var(--surface-2);color:var(--text);outline:none}.composer textarea:disabled{opacity:.5;cursor:not-allowed}.composer .btn-send{align-self:flex-end;background:var(--primary);color:#fff;border:none;border-radius:12px;padding:10px 16px;cursor:pointer;font-weight:600}.composer .btn-send:disabled{opacity:.5;cursor:not-allowed}.composer .btn-attach{align-self:flex-end;background:var(--surface-2);color:var(--text);border:1px solid var(--border);border-radius:12px;width:44px;height:44px;cursor:pointer;font-size:1.15rem;padding:0;display:flex;align-items:center;justify-content:center;flex-shrink:0}.composer 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12px;border-radius:999px;font-size:.8rem;color:var(--text-muted);z-index:5}.unlock-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:var(--bg);display:flex;flex-direction:column;align-items:center;justify-content:center;z-index:2000;padding:24px}.unlock-overlay.shake{animation:shake .4s ease}@keyframes shake{0%,to{transform:translate(0)}20%,60%{transform:translate(-8px)}40%,80%{transform:translate(8px)}}.unlock-overlay h2{margin:0 0 8px}.unlock-overlay p{margin:0 0 24px;color:var(--text-muted);font-size:.9rem}.gesture-grid{position:relative;width:280px;height:280px;touch-action:none;-webkit-user-select:none;user-select:none}.gesture-grid canvas{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%}.gesture-dots{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr)}.gesture-dot{display:flex;align-items:center;justify-content:center}.gesture-dot span{width:18px;height:18px;border-radius:50%;background:#3a4054;transition:transform .12s,background .12s}.gesture-dot.active span,.gesture-dot.current span{background:var(--primary);transform:scale(1.35)}.unlock-error{min-height:1.2em;margin-top:16px;color:var(--danger);font-size:.85rem}.unlock-footer{margin-top:24px}.settings-page{min-height:100vh;max-height:100dvh}.settings-header{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:8px 12px;background:var(--surface);border-bottom:1px solid var(--border);flex-shrink:0}.settings-header h1{margin:0;font-size:1rem;font-weight:600}.settings-back{background:transparent;border:1px solid var(--border);color:var(--text-muted);border-radius:6px;padding:4px 8px;font-size:.75rem;cursor:pointer;line-height:1.2}.settings-header-spacer{width:48px}.settings-body{flex:1;overflow-y:auto;padding:16px;display:flex;justify-content:center}.settings-card{width:100%;max-width:420px;background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:24px 20px;box-shadow:var(--shadow)}.settings-hint{margin:0 0 16px;color:var(--text-muted);font-size:.85rem;line-height:1.4}.settings-hint.compact{margin:8px 0 0;font-size:.8rem}.settings-hint code{font-size:.78rem;color:var(--primary)}.settings-switch{display:flex;align-items:center;gap:10px;margin-bottom:18px;cursor:pointer;-webkit-user-select:none;user-select:none}.settings-switch input{width:18px;height:18px;accent-color:var(--primary)}.settings-textarea{width:100%;padding:12px 14px;border-radius:10px;border:1px solid var(--border);background:var(--surface-2);color:var(--text);outline:none;resize:vertical;min-height:80px}.settings-textarea:focus{border-color:var(--primary)}.settings-actions{display:flex;flex-direction:column;gap:10px;margin-top:8px}.btn-secondary{width:100%;background:var(--surface-2);color:var(--text);border:1px solid 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