:root{font-synthesis:none;text-rendering:optimizelegibility;--radius-lg:24px;--radius-md:16px;--radius-sm:12px;--shadow:0 20px 60px #00000014;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}:root[data-theme=light]{--bg-primary:#f5f7f9;--bg-secondary:#eef1f4;--surface:#fff;--surface-elevated:#fff;--text-primary:#11161c;--text-secondary:#5f6b76;--border:#dfe5ea;--accent:#1f6feb;--accent-soft:#eaf2ff;--success:#16824b}:root[data-theme=dark]{--bg-primary:#0b0d10;--bg-secondary:#101419;--surface:#14191f;--surface-elevated:#171d24;--text-primary:#f5f7fa;--text-secondary:#9ba7b3;--border:#26313a;--accent:#78a9ff;--accent-soft:#17243a;--success:#59d18c;--shadow:0 20px 60px #00000047}*{box-sizing:border-box}html,body,#root{min-height:100%}body{background:linear-gradient(180deg, var(--bg-primary), var(--bg-secondary));min-width:320px;color:var(--text-primary);margin:0}button,input{font:inherit}.app-shell{width:min(1120px,100% - 32px);margin:0 auto;padding:28px 0 56px}.topbar{justify-content:space-between;align-items:center;gap:16px;margin-bottom:24px;display:flex}.topbar h1{margin:2px 0 0;font-size:clamp(1.4rem,2vw,2rem)}.eyebrow{text-transform:uppercase;letter-spacing:.12em;color:var(--text-secondary);margin:0;font-size:.72rem;font-weight:700}.content-grid{grid-template-columns:1.25fr .75fr;gap:18px;display:grid}.hero-card,.panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow)}.hero-card{grid-column:1/-1;padding:clamp(24px,5vw,52px)}.hero-card h2{letter-spacing:-.045em;max-width:740px;margin:18px 0 10px;font-size:clamp(2rem,6vw,4.5rem);line-height:.98}.hero-card p{max-width:700px;color:var(--text-secondary);margin:0;font-size:1.05rem;line-height:1.7}.panel{padding:24px}.panel h2{margin:4px 0 18px}.panel-heading{justify-content:space-between;align-items:start;gap:12px;display:flex}.status-dot{background:var(--success);border-radius:50%;width:9px;height:9px;margin-right:9px;display:inline-block}.status-text{color:var(--text-secondary);font-weight:600}.pill{background:var(--accent-soft);color:var(--accent);white-space:nowrap;border-radius:999px;padding:8px 11px;font-size:.8rem;font-weight:700;display:inline-flex}.theme-options{gap:10px;display:grid}.theme-option{border-radius:var(--radius-md);border:1px solid var(--border);cursor:pointer;align-items:flex-start;gap:12px;padding:14px;display:flex}.theme-option:has(input:checked){border-color:var(--accent);background:var(--accent-soft)}.theme-option input{accent-color:var(--accent);margin-top:3px}.theme-option strong,.theme-option small{display:block}.theme-option small{color:var(--text-secondary);margin-top:4px}.module-list{gap:10px;padding-left:20px;display:grid}.module-list li::marker{color:var(--accent)}.muted{color:var(--text-secondary);line-height:1.6}@media (width<=760px){.app-shell{width:min(100% - 20px,1120px);padding-top:16px}.content-grid{grid-template-columns:1fr}.topbar{align-items:flex-start}.hero-card{padding:24px}.hero-card h2{font-size:clamp(2rem,12vw,3.4rem)}.panel{padding:18px}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important}}.identity-panel{grid-column:1/-1}.identity-state{align-items:center;gap:10px;margin-bottom:18px;display:flex}.identity-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;display:grid}.identity-field{border:1px solid var(--border);border-radius:var(--radius-md);background:var(--bg-primary);min-width:0;padding:14px}.identity-field.full{grid-column:1/-1}.identity-label{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.08em;margin-bottom:7px;font-size:.75rem;font-weight:700;display:block}.identity-value{overflow-wrap:anywhere;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.86rem;line-height:1.55;display:block}.identity-fingerprint{word-spacing:.25em;letter-spacing:.04em}.identity-note{color:var(--text-secondary);margin:16px 0 0;line-height:1.55}.button-row{flex-wrap:wrap;gap:10px;margin-top:16px;display:flex}.button{appearance:none;border:1px solid var(--border);background:var(--surface-elevated);color:var(--text-primary);cursor:pointer;border-radius:12px;padding:10px 14px;font-weight:700}.button:hover{border-color:var(--accent)}.button:focus-visible{outline:3px solid var(--accent-soft);outline-offset:2px}.spinner{border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;width:16px;height:16px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}@media (width<=760px){.identity-grid{grid-template-columns:1fr}.identity-field.full{grid-column:auto}}.storage-panel{grid-column:1/-1}.storage-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;display:grid}.storage-grid .full{grid-column:1/-1}@media (width<=760px){.storage-grid{grid-template-columns:1fr}.storage-grid .full{grid-column:auto}}.pairing-panel{grid-column:1/-1}.pairing-layout{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;display:grid}.pairing-card{border:1px solid var(--border);border-radius:var(--radius-md);background:var(--bg-primary);min-width:0;padding:18px}.pairing-card h3,.contact-list h3{margin:0 0 10px}.qr-code{aspect-ratio:1;background:#fff;border-radius:16px;width:min(100%,280px);margin:16px auto;padding:10px;display:block}.field-label{color:var(--text-secondary);gap:7px;margin-top:12px;font-size:.82rem;font-weight:700;display:grid}.text-input{border:1px solid var(--border);background:var(--surface);width:100%;color:var(--text-primary);border-radius:12px;outline:none;padding:12px 13px}.text-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.invite-input{resize:vertical;min-height:112px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.8rem;line-height:1.5}.button-primary{background:var(--accent);color:#fff;border-color:var(--accent)}.button:disabled{opacity:.55;cursor:not-allowed}.scanner-box{gap:10px;margin-top:14px;display:grid}.scanner-video{object-fit:cover;background:#000;border-radius:14px;width:100%;min-height:220px}.pairing-message{background:var(--accent-soft);color:var(--text-primary);border-radius:12px;margin:16px 0 0;padding:12px 14px}.contact-list{gap:12px;margin-top:22px;display:grid}.contact-card{border:1px solid var(--border);border-radius:var(--radius-md);background:var(--bg-primary);padding:16px}.contact-heading{justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:12px;display:flex}.contact-heading>div{flex-wrap:wrap;align-items:center;gap:9px;display:flex}.contact-heading small{color:var(--text-secondary);font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.trust-badge{text-transform:uppercase;letter-spacing:.06em;background:var(--accent-soft);color:var(--accent);border-radius:999px;padding:4px 8px;font-size:.7rem;font-weight:800;display:inline-flex}.trust-verified{background:color-mix(in srgb, var(--success) 16%, transparent);color:var(--success)}.trust-revoked,.trust-identity_changed{color:#d84a4a;background:#d84a4a29}@media (width<=760px){.pairing-layout{grid-template-columns:1fr}.contact-heading{flex-direction:column}}.rendezvous-panel{grid-column:1/-1}.rendezvous-endpoint{overflow-wrap:anywhere;margin-top:12px;display:block}.pairing-warning{background:#d99a2b29}.transport-panel{grid-column:1/-1}.connection-mode{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-bottom:12px;display:grid}.transport-list{gap:12px;margin-top:20px;display:grid}.transport-card{border:1px solid var(--border);border-radius:var(--radius-md);background:var(--bg-primary);padding:16px}.transport-state{text-transform:uppercase;letter-spacing:.06em;background:var(--accent-soft);color:var(--accent);border-radius:999px;padding:4px 8px;font-size:.7rem;font-weight:800;display:inline-flex}.transport-connected{background:color-mix(in srgb, var(--success) 16%, transparent);color:var(--success)}.transport-failed{color:#d84a4a;background:#d84a4a29}.transport-connecting{color:#b97a14;background:#d99a2b29}.transport-event{margin:12px 0 0}@media (width<=760px){.connection-mode{grid-template-columns:1fr}}.security-state{text-transform:uppercase;letter-spacing:.06em;background:var(--accent-soft);color:var(--accent);border-radius:999px;padding:4px 8px;font-size:.7rem;font-weight:800;display:inline-flex}.security-authenticated{background:color-mix(in srgb, var(--success) 16%, transparent);color:var(--success)}.security-authenticating{color:#b97a14;background:#d99a2b29}.security-failed{color:#d84a4a;background:#d84a4a29}.messaging-panel{grid-column:1/-1}.receipt-setting{margin-bottom:16px}.messaging-layout{grid-template-columns:minmax(190px,.36fr) minmax(0,1fr);gap:14px;min-height:520px;display:grid}.conversation-list{flex-direction:column;gap:8px;min-width:0;display:flex}.conversation-button{appearance:none;text-align:left;border:1px solid var(--border);background:var(--bg-primary);width:100%;color:var(--text-primary);cursor:pointer;border-radius:14px;justify-content:space-between;align-items:center;gap:10px;padding:12px;display:flex}.conversation-button.active{border-color:var(--accent);background:var(--accent-soft)}.conversation-button>span:first-child{gap:4px;min-width:0;display:grid}.conversation-button strong{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.conversation-button small{color:var(--text-secondary);text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.unread-badge{background:var(--accent);color:#fff;border-radius:999px;place-items:center;min-width:23px;height:23px;font-size:.72rem;font-weight:800;display:inline-grid}.message-thread{border:1px solid var(--border);border-radius:var(--radius-md);background:var(--bg-primary);flex-direction:column;min-width:0;display:flex;overflow:hidden}.thread-heading{border-bottom:1px solid var(--border);background:var(--surface);justify-content:space-between;align-items:center;gap:12px;padding:14px 16px;display:flex}.thread-heading>div{gap:3px;min-width:0;display:grid}.thread-heading small{color:var(--text-secondary);line-height:1.4}.messages{flex-direction:column;flex:1;gap:10px;min-height:320px;max-height:58vh;padding:16px;display:flex;overflow-y:auto}.empty-thread{text-align:center;max-width:320px;color:var(--text-secondary);gap:6px;margin:auto;display:grid}.message-bubble{border:1px solid var(--border);background:var(--surface);border-radius:18px;width:fit-content;max-width:min(78%,620px);padding:10px 12px 8px}.message-bubble.outgoing{background:var(--accent-soft);border-color:color-mix(in srgb, var(--accent) 35%, var(--border));align-self:flex-end}.message-bubble.incoming{align-self:flex-start}.message-bubble p{white-space:pre-wrap;overflow-wrap:anywhere;margin:0;line-height:1.48}.message-bubble footer{color:var(--text-secondary);flex-wrap:wrap;justify-content:flex-end;gap:8px;margin-top:6px;font-size:.68rem;display:flex}.composer{border-top:1px solid var(--border);background:var(--surface);grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:10px;padding:12px;display:grid}.composer-input{resize:vertical;min-height:46px;max-height:130px}.conversation-id{overflow-wrap:anywhere;padding:0 14px 10px;display:block}@media (width<=760px){.messaging-layout{grid-template-columns:1fr;min-height:0}.conversation-list{flex-direction:row;padding-bottom:4px;overflow-x:auto}.conversation-button{min-width:190px}.messages{min-height:300px;max-height:52vh}.message-bubble{max-width:88%}.composer{grid-template-columns:1fr}.composer .button{width:100%}}