:root{color:#242424;background:#f5f5f5;font-family:Segoe UI,system-ui,-apple-system,BlinkMacSystemFont,sans-serif}*{box-sizing:border-box}body{background:#f5f5f5;min-width:320px;min-height:100vh;margin:0}button,textarea{font:inherit}.centered{place-items:center;min-height:100vh;padding:24px;display:grid}.auth-error{text-align:center}.app-shell{background:#f5f5f5;flex-direction:column;min-height:100vh;display:flex}.app-header{background:#fff;border-bottom:1px solid #e1dfdd;justify-content:space-between;align-items:center;gap:16px;min-height:48px;padding:0 20px;display:flex}.app-header h1,.pane-header h2,.thread-header h2{letter-spacing:0;margin:0;font-weight:600}.app-header h1{font-size:18px}.app-header span,.pane-header span,.thread-header span,.chat-list-item small,.message time{color:#616161}.dev-warning{color:#8a5a00;max-width:520px;margin:0;font-size:12px}.header-dev-info{flex-direction:column;align-items:flex-end;gap:4px;display:flex}.provider-badge{color:#424242;background:#fafafa;border:1px solid #e1dfdd;border-radius:4px;align-items:center;min-height:24px;padding:3px 8px;font-size:11px;font-weight:600;display:inline-flex}.provider-badge.openai{background:#f4f4fc;border-color:#c7c9f4}.provider-badge.local{background:#f3f2f1;border-color:#e1dfdd}.role-badge{font-size:11px;font-weight:600}.workspace{flex:1;grid-template-columns:320px minmax(0,1fr);min-height:0;display:grid}.chat-list{background:#f7f7f7;border-right:1px solid #e1dfdd;overflow:auto}.chat-pane{background:#fff;grid-template-rows:auto minmax(0,1fr) auto;min-width:0;min-height:0;display:grid}.pane-header{justify-content:space-between;align-items:center;gap:12px;height:56px;padding:0 16px;display:flex}.pane-header h2,.thread-header h2{font-size:18px}.chat-list-items{padding:0 8px 8px;display:grid}.chat-list-item{color:#242424;cursor:pointer;text-align:left;background:0 0;border:0;border-left:3px solid #0000;border-radius:4px;grid-template-columns:36px minmax(0,1fr);align-items:center;gap:10px;width:100%;min-height:64px;padding:8px;display:grid}.chat-list-item:hover{background:#eee}.chat-list-item.active{background:#ebebeb;border-left-color:#5b5fc7}.chat-avatar,.thread-avatar,.message-avatar{color:#fff;background:#6264a7;border-radius:50%;flex:none;place-items:center;font-weight:600;display:inline-grid}.chat-avatar{width:36px;height:36px;font-size:12px}.thread-avatar{width:32px;height:32px;font-size:12px}.message-avatar{width:32px;height:32px;margin-top:2px;font-size:11px}.chat-list-copy{gap:2px;min-width:0;display:grid}.chat-list-copy span{color:#242424;text-overflow:ellipsis;white-space:nowrap;max-width:100%;font-size:14px;font-weight:600;overflow:hidden}.thread-header{background:#fff;border-bottom:1px solid #e1dfdd;align-items:center;gap:10px;height:64px;padding:0 24px;display:flex}.thread-header h2{font-size:16px}.thread-header span{font-size:12px}.message-thread{background:#fff;min-height:0;padding:18px 24px 10px;overflow:auto}.messages{gap:2px;display:grid}.message{grid-template-columns:32px minmax(0,1fr);gap:10px;max-width:900px;padding:6px 0;display:grid}.message-body{min-width:0}.message header{align-items:baseline;gap:8px;margin-bottom:2px;display:flex}.message strong{font-size:14px;font-weight:600}.message time{font-size:12px}.message p{color:#242424;white-space:pre-wrap;overflow-wrap:anywhere;margin:0;font-size:14px;line-height:1.45}.composer{background:#fff;border-top:1px solid #f0f0f0;gap:8px;padding:10px 24px 18px;display:grid}.role-row{justify-content:flex-end;align-items:center;display:flex}.composer textarea{border-radius:6px;min-height:72px}.composer-actions{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.response-time-info{color:#707070;flex-wrap:wrap;gap:12px;font-size:11px;display:flex}.settings-panel{z-index:20;background:#fff;border-left:1px solid #e1dfdd;grid-template-rows:auto minmax(0,1fr);width:min(520px,100vw);display:grid;position:fixed;inset:0 0 0 auto;box-shadow:-8px 0 24px #00000024}.settings-header{border-bottom:1px solid #e1dfdd;justify-content:space-between;align-items:center;gap:12px;min-height:64px;padding:12px 16px;display:flex}.settings-header h2,.settings-section h3{margin:0;font-weight:600}.settings-header h2{font-size:18px}.settings-header span{color:#616161;font-size:12px}.settings-content{align-content:start;gap:18px;min-height:0;padding:16px;display:grid;overflow:auto}.settings-section{border-bottom:1px solid #f0f0f0;gap:10px;padding-bottom:18px;display:grid}.settings-section h3{font-size:15px}.role-setting{gap:8px;display:grid}.allowed-role-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:6px;display:grid}.user-list{color:#616161;gap:6px;font-size:12px;display:grid}.suggestion-box{background:#f4f4fc;border-left:3px solid #5b5fc7;margin-top:14px;padding:12px}.suggestion-box p{margin-bottom:0}.empty-text,.status-text,.error-text{font-size:13px}.empty-text{color:#616161}.status-text{color:#107c10}.error-text{color:#a4262c}@media (width<=760px){.workspace{grid-template-rows:minmax(170px,34vh) minmax(0,1fr);grid-template-columns:1fr}.chat-list{border-bottom:1px solid #e1dfdd;border-right:0}.app-header{flex-direction:column;align-items:flex-start;min-height:auto;padding:10px 16px}.header-dev-info{align-items:flex-start}.thread-header,.message-thread,.composer{padding-left:16px;padding-right:16px}}