:root{--bg: #0b1220;--bg-elev: #131c2e;--bg-elev-2: #1b2740;--line: #26324b;--text: #eaf0fb;--text-dim: #9fb0cc;--brand: #2f6bff;--brand-deep: #0b3d91;--accent: #35d0a5;--danger: #ff6b6b;--warn: #ffce54;--radius: 14px;--radius-sm: 10px;--safe-top: env(safe-area-inset-top, 0px);--safe-bottom: env(safe-area-inset-bottom, 0px);color-scheme:dark}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;overscroll-behavior-y:none}.app-shell{display:flex;flex-direction:column;min-height:100%;max-width:560px;margin:0 auto}.btn{border:0;border-radius:var(--radius-sm);padding:12px 18px;font-size:15px;font-weight:600;color:var(--text);background:var(--bg-elev-2);cursor:pointer;transition:transform .05s ease,opacity .15s ease,background .15s ease}.btn:active{transform:scale(.98)}.btn:disabled{opacity:.45;cursor:not-allowed}.btn-primary{background:linear-gradient(180deg,var(--brand),var(--brand-deep))}.btn-ghost{background:transparent;color:var(--text-dim)}.btn-block{width:100%}.btn-sm{padding:8px 14px;font-size:14px}.btn-xs{padding:4px 8px;font-size:13px}.splash{min-height:100%;display:grid;place-content:center;justify-items:center;gap:14px;color:var(--text-dim)}.splash-logo,.login-logo,.home-hints:before{width:64px;height:64px;border-radius:18px;background:linear-gradient(145deg,var(--brand),var(--brand-deep));box-shadow:0 10px 30px #2f6bff59}.splash-logo{animation:pulse 1.4s ease-in-out infinite}@keyframes pulse{0%,to{opacity:.6}50%{opacity:1}}.net-banner{padding:calc(8px + var(--safe-top)) 16px 8px;font-size:13px;text-align:center;font-weight:600}.net-banner--offline{background:#3a2233;color:var(--warn)}.net-banner--syncing{background:#12332b;color:var(--accent)}.login-screen{flex:1;display:flex;flex-direction:column;justify-content:center;gap:26px;padding:24px 22px calc(24px + var(--safe-bottom))}.login-brand{text-align:center;display:grid;justify-items:center;gap:6px}.login-brand h1{margin:8px 0 0;font-size:26px}.login-brand p{margin:0;color:var(--text-dim)}.login-form{display:flex;flex-direction:column;gap:16px}.field{display:flex;flex-direction:column;gap:6px;font-size:14px;color:var(--text-dim)}.field input{background:var(--bg-elev);border:1px solid var(--line);border-radius:var(--radius-sm);padding:14px;font-size:17px;color:var(--text)}.field input:focus{outline:2px solid var(--brand);border-color:transparent}.form-error{color:var(--danger);font-size:14px;margin:2px 0}.login-foot{text-align:center;color:var(--text-dim);font-size:13px;margin:0}.home-screen,.ticket-screen{flex:1;display:flex;flex-direction:column;padding:16px 16px calc(16px + var(--safe-bottom));gap:16px}.home-header{display:flex;align-items:flex-start;justify-content:space-between}.home-greeting{margin:0;color:var(--text-dim);font-size:14px}.home-title{margin:2px 0 0;font-size:24px}.ask-form{display:flex;gap:8px}.ask-input{flex:1;background:var(--bg-elev);border:1px solid var(--line);border-radius:var(--radius);padding:15px 16px;font-size:17px;color:var(--text)}.ask-input:focus{outline:2px solid var(--brand);border-color:transparent}.home-hints{color:var(--text-dim);font-size:14px}.hints-label{text-transform:uppercase;letter-spacing:.08em;font-size:11px;margin:0 0 6px}.home-hints ul{margin:0;padding-left:18px;display:grid;gap:6px}.answer-card{background:var(--bg-elev);border:1px solid var(--line);border-radius:var(--radius);padding:16px}.answer-card-head{display:flex;align-items:center;gap:8px;margin-bottom:8px}.answer-badge{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;padding:3px 8px;border-radius:999px;background:var(--bg-elev-2);color:var(--text-dim)}.answer-badge[data-source=kb]{background:#35d0a526;color:var(--accent)}.answer-confidence{font-size:12px;color:var(--text-dim)}.answer-body{margin:0;line-height:1.5}.escalation-lead{color:var(--text-dim);font-size:14px;margin:0}.escalation-menu{display:flex;flex-direction:column;gap:10px}.escalation-title{font-size:15px;margin:0;color:var(--text-dim)}.escalation-options{display:grid;gap:10px}.escalation-option{position:relative;display:grid;grid-template-columns:auto 1fr;grid-template-areas:"icon label" "icon hint";gap:0 12px;text-align:left;background:var(--bg-elev);border:1px solid 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span{color:var(--text-dim)}.install-actions{display:flex;gap:6px;align-items:center}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:50;background:#040810b8;display:grid;place-items:end center;padding:16px}.modal-card{background:var(--bg-elev);border:1px solid var(--line);border-radius:18px;padding:22px;width:100%;max-width:460px;margin-bottom:calc(12px + var(--safe-bottom))}.modal-card h2{margin:0 0 8px}.modal-lead{color:var(--text-dim);margin:0 0 16px;line-height:1.5}.install-steps{list-style:none;margin:0 0 18px;padding:0;display:grid;gap:14px}.install-steps li{display:grid;grid-template-columns:28px 1fr;align-items:center;gap:10px}.step-icon{font-size:20px}.push-cta{background:var(--bg-elev);border:1px solid var(--line);border-radius:var(--radius);padding:14px;display:grid;gap:8px}.push-cta-head{display:flex;align-items:center;gap:8px}.push-cta-head strong{flex:1}.push-cta-icon{font-size:18px}.push-cta p{margin:0;font-size:14px;color:var(--text-dim);line-height:1.45}.push-cta-muted{font-size:13px}.ticket-header{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;padding-top:var(--safe-top)}.ticket-title{display:flex;flex-direction:column;align-items:center;gap:2px}.ticket-status{font-size:11px;text-transform:uppercase;letter-spacing:.06em}.ticket-status.is-active{color:var(--accent)}.ticket-status.is-closed{color:var(--text-dim)}.quick-status{display:flex;gap:8px;overflow-x:auto;padding-bottom:2px;-webkit-overflow-scrolling:touch}.quick-btn{flex:0 0 auto;display:inline-flex;align-items:center;gap:6px;background:var(--bg-elev);border:1px solid var(--line);border-radius:999px;padding:9px 14px;color:var(--text);font-size:14px;font-weight:600;cursor:pointer}.quick-btn--geo{border-color:var(--brand);color:var(--brand)}.quick-btn:disabled{opacity:.5}.chat-thread{flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:8px;padding:6px 2px}.chat-system{align-self:center;background:var(--bg-elev-2);color:var(--text-dim);font-size:12px;padding:5px 12px;border-radius:999px}.chat-row{display:flex}.chat-row--mine{justify-content:flex-end}.bubble{max-width:78%;padding:9px 12px;border-radius:16px;display:flex;flex-direction:column;gap:3px}.bubble--mine{background:linear-gradient(180deg,var(--brand),var(--brand-deep));border-bottom-right-radius:5px}.bubble--theirs{background:var(--bg-elev);border:1px solid var(--line);border-bottom-left-radius:5px}.bubble-sender{font-size:11px;color:var(--text-dim);font-weight:700}.bubble-text{line-height:1.4;word-break:break-word}.bubble-meta{display:flex;align-items:center;gap:5px;align-self:flex-end;font-size:11px;color:#eaf0fbb3}.ticks--read{color:var(--accent)}.ticks--failed{color:var(--danger)}.composer{display:flex;gap:8px;padding-top:4px}.composer-input{flex:1;background:var(--bg-elev);border:1px solid var(--line);border-radius:var(--radius);padding:13px 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