:root{color-scheme:light;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;color:#1c2129;background:#f7f8fa;font-synthesis:none;text-rendering:optimizeLegibility;letter-spacing:0;--bg: #f7f8fa;--surface: #ffffff;--surface-alt: #f1f3f5;--ink: #1c2129;--muted: #6c7480;--line: #dde1e6;--line-strong: #c9cfd6;--accent: #117c95;--accent-dark: #075d70;--accent-soft: #e3f3f6;--green: #237a55;--green-soft: #e5f3ec;--amber: #9a6411;--amber-soft: #fff2d7;--red: #b43c3c;--red-soft: #fae9e8;--topbar: 64px}*{box-sizing:border-box}html,body,#root{height:100%;min-height:100%}body{margin:0;overflow:hidden;background:var(--bg)}button,input,textarea,select{font:inherit;letter-spacing:0}button,a{-webkit-tap-highlight-color:transparent}button{border:0;color:inherit}button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,a:focus-visible{outline:3px solid rgba(17,124,149,.23);outline-offset:2px}button:disabled{cursor:not-allowed;opacity:.5}.app-loading{height:100%;display:grid;place-items:center;color:var(--accent)}.spin{animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.icon-button{width:36px;height:36px;display:inline-grid;place-items:center;flex:0 0 36px;padding:0;border-radius:6px;background:transparent;cursor:pointer}.icon-button:hover{background:var(--surface-alt);color:var(--accent-dark)}.primary-button{min-height:38px;display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:0 15px;border-radius:6px;background:var(--accent);color:#fff;font-weight:650;cursor:pointer}.primary-button:hover{background:var(--accent-dark)}.text-button{min-height:32px;display:inline-flex;align-items:center;gap:5px;padding:4px 8px;border-radius:5px;background:transparent;color:var(--accent-dark);cursor:pointer}.text-button:hover{background:var(--accent-soft)}.login-page{min-height:100%;display:grid;place-items:center;padding:24px;background:#f4f6f8}.login-panel{width:min(400px,100%);padding:34px 36px 38px;border:1px solid var(--line);border-top:3px solid var(--accent);border-radius:8px;background:var(--surface);box-shadow:0 18px 48px #262e3714}.login-brand{display:flex;align-items:center;gap:12px;margin-bottom:30px}.brand-mark{width:38px;height:38px;display:inline-grid;place-items:center;flex:0 0 38px;border-radius:7px;background:var(--ink);color:#fff}.login-brand h1{margin:0;font-size:21px;line-height:1.3}.login-brand p{margin:2px 0 0;color:var(--muted);font-size:13px}.login-form{display:grid;gap:17px}.login-form label{display:grid;gap:7px;color:#444b55;font-size:13px;font-weight:600}.login-form input,.create-user-form input{width:100%;height:42px;padding:0 12px;border:1px solid var(--line-strong);border-radius:6px;background:#fff;color:var(--ink)}.login-submit{width:100%;margin-top:5px;min-height:43px}.form-error{padding:9px 11px;border-left:3px solid var(--red);background:var(--red-soft);color:#8c2929;font-size:13px;line-height:1.45}.app-shell{height:100dvh;display:grid;grid-template-columns:258px minmax(420px,1fr) 282px;grid-template-rows:var(--topbar) minmax(0,1fr);background:var(--surface)}.topbar{grid-column:1 / -1;grid-row:1;z-index:30;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;padding:0 15px;border-bottom:1px solid var(--line);background:#fffffff5;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.top-brand{grid-column:2;display:inline-flex;align-items:center;gap:9px}.top-brand .brand-mark{width:32px;height:32px;flex-basis:32px;border-radius:6px}.top-brand>span:last-child{display:grid;text-align:left}.top-brand strong{font-size:15px;line-height:18px}.top-brand 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strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.login-panel{padding:28px 22px 31px}.empty-icon{width:48px;height:48px}.message-scroll{padding-left:9px;padding-right:9px}.composer-actions{gap:2px}.effort-select select{max-width:74px}}@media (prefers-reduced-motion: reduce){*,*:before,*:after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}