:root{--arc-red:#900;--panel-bg:#fff;--workspace:#f4f5f7;--border:#d5d8dd;--text:#1a1d21;--muted:#5b6169;--selected-outline:#f90;--success:#1a7f45;--danger:#900}:root,html{color-scheme:light}*{box-sizing:border-box}body,html{margin:0;height:100%;color:var(--text);background:var(--workspace);font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;font-size:14px}button,input,select,textarea{color:var(--text);font:inherit}input::placeholder,textarea::placeholder{color:var(--muted);opacity:1}.feedback-group{display:inline-flex;gap:6px;align-items:center;margin-left:8px}.feedback-btn{width:34px;height:34px;display:inline-grid;place-items:center;padding:0;border:1px solid var(--border);border-radius:6px;background:var(--panel-bg);cursor:pointer;transition:background .15s ease,border-color .15s ease,transform .05s ease}.feedback-btn 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label{display:block;font-weight:700;margin-bottom:6px}.field select{width:100%;padding:8px 10px;border:1px solid var(--border);border-radius:6px;background:#fff}.combo{position:relative}.combo-input{width:100%;padding:9px 30px 9px 11px;border:1px solid var(--border);border-radius:6px;background:#fff;color:var(--text);font-size:14px}.combo-input:focus{outline:none;border-color:var(--arc-red);box-shadow:0 0 0 2px rgba(153,0,0,.12)}.combo-input::placeholder{color:var(--muted);opacity:1}.combo-clear{position:absolute;right:6px;top:50%;transform:translateY(-50%);background:none;border:none;color:var(--muted);cursor:pointer;font-size:13px;padding:4px 6px;line-height:1}.combo-clear:hover{color:var(--text)}.combo-list{position:absolute;z-index:40;top:calc(100% + 4px);left:0;right:0;max-height:320px;overflow-y:auto;scrollbar-gutter:stable;background:#fff;border:1px solid var(--border);border-radius:8px;box-shadow:0 6px 20px 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