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15px;background:var(--danger-soft)}.sim-chat-error button{margin-left:8px;padding:0;border:0;background:transparent;color:inherit;font:inherit;font-weight:700;text-decoration:underline;cursor:pointer}.sim-chat-composer{flex:none;display:flex;align-items:center;gap:9px;padding:10px 13px 19px;border-top:1px solid var(--sim-phone-border);background:var(--sim-phone-surface)}.sim-chat-composer input{width:100%;min-width:0;height:39px;flex:1;padding:0 14px;border:1px solid var(--sim-phone-border);border-radius:20px;outline:0;background:var(--sim-phone-bg);color:var(--sim-phone-text);font-size:12px}.sim-chat-composer input:focus{border-color:var(--accent)}.sim-chat-composer button{width:38px;height:38px;flex:none;display:grid;place-items:center;border:0;border-radius:50%;background:var(--accent-strong);color:#fff}.sim-chat-composer button:disabled{opacity:.5;cursor:not-allowed}.sim-chat-composer button svg{width:19px;height:19px}.sim-stage-error{display:flex;align-items:center;gap:6px;margin-top:12px}.sim-stage-error svg{width:16px;height:16px}.sim-stage-caption{max-width:420px;margin:17px 0 0;color:var(--text-muted);font-size:11px;text-align:center;line-height:1.5}.sim-guide{padding:34px 24px;border-left:1px solid var(--border);background:var(--surface)}.sim-guide h2{margin:0;font-size:17px;letter-spacing:-.025em}.sim-guide>p{margin:7px 0 27px;color:var(--text-muted);font-size:11px;line-height:1.6}.sim-flow{position:relative;padding:0 0 0 28px;margin:0;list-style:none}.sim-flow:before{content:"";position:absolute;left:9px;top:10px;bottom:30px;width:1px;background:var(--border)}.sim-flow li{position:relative;padding-bottom:23px}.sim-flow li:before{content:"";position:absolute;left:-25px;top:2px;width:13px;height:13px;border:2px solid var(--border-strong);border-radius:50%;background:var(--surface)}.sim-flow li.current:before{border-color:var(--accent);background:var(--accent);box-shadow:0 0 0 4px var(--accent-soft)}.sim-flow strong{display:block;margin-bottom:4px;font-size:12px}.sim-flow span{display:block;color:var(--text-muted);font-size:11px;line-height:1.55}.sim-guide-note{padding-top:19px;margin-top:7px;border-top:1px solid var(--border)}.sim-guide-note strong{display:block;font-size:12px}.sim-guide-note p{color:var(--text-muted);font-size:11px;line-height:1.65;margin:8px 0 0}.sim-refresh{display:flex;align-items:center;justify-content:center;gap:6px;width:100%;min-height:35px;margin-top:22px;border:1px solid var(--border);border-radius:9px;background:var(--surface-raised);color:var(--text);font-size:11px;font-weight:700}.sim-refresh svg{width:15px;height:15px}.sim-load-state{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;min-height:55dvh;padding:30px;color:var(--text-muted);text-align:center}.sim-load-state>svg{width:28px;height:28px;color:var(--danger)}.sim-load-state strong{color:var(--text)}.sim-load-state p{margin:0}.sim-load-state button{padding:8px 13px;border:1px solid var(--border);border-radius:8px;background:var(--surface-raised)}:root[data-theme=dark] .sim-brand-mark,:root[data-theme=dark] .sim-form-actions button[type=submit],:root[data-theme=dark] .sim-empty-session button,:root[data-theme=dark] .sim-message.mine .sim-bubble,:root[data-theme=dark] .sim-chat-composer button{color:#242520}@media(max-width:1160px){.sim-layout{grid-template-columns:245px minmax(400px,1fr)}.sim-guide{grid-column:1 / -1;border-left:0;border-top:1px solid var(--border)}.sim-guide{display:none}}@media(max-width:720px){.sim-topbar{grid-template-columns:1fr auto;padding:12px 16px}.sim-brand{grid-column:1}.sim-top-actions{grid-column:2;grid-row:1}.sim-connection{display:none}.sim-layout{display:block}.sim-sidebar{padding:13px 16px;border-right:0}.sim-identity{padding:10px 12px}.sim-identity p,.sim-relations,.sim-boundary,.sim-nav-label{display:none}.sim-add-user{margin-top:7px}.sim-side-nav{display:flex;margin-top:8px}.sim-side-nav button{flex:1;justify-content:center}.sim-stage{padding:18px 12px 28px}.sim-stage-head{max-width:394px}.sim-stage-head h1{font-size:20px}.sim-stage-head>span{display:none}.sim-phone{height:min(736px,78dvh);min-height:590px}}@media(prefers-reduced-motion:reduce){.sim-shell *{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important}}