:root{--c-bg: #f6f8fa;--c-surface: #ffffff;--c-border: #d0d7de;--c-border-subtle: #eaeef2;--c-text: #1f2328;--c-text-muted: #656d76;--c-text-faint: #8c959f;--c-primary: #0969da;--c-primary-hover: #0860c9;--c-primary-bg: #ddf4ff;--c-primary-border: #b6e3ff;--c-danger: #cf222e;--c-danger-bg: #ffebe9;--c-success: #1a7f37;--c-success-bg: #dafbe1;--c-warning: #9a6700;--c-warning-bg: #fff8c5;--radius-sm: 6px;--radius-md: 10px;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .07);--shadow-md: 0 2px 8px rgba(0, 0, 0, .1)}*{box-sizing:border-box}html,body,#root{margin:0;height:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Malgun Gothic,sans-serif;color:var(--c-text);background:var(--c-bg)}button,select,input{font-family:inherit}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:var(--radius-sm);font-size:14px;font-weight:600;cursor:pointer;transition:background .15s,border-color .15s;white-space:nowrap}.btn:disabled{opacity:.55;cursor:default}.btn-primary{border:none;background:var(--c-primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--c-primary-hover)}.btn-secondary{border:1px solid var(--c-border);background:var(--c-surface);color:var(--c-text)}.btn-secondary:hover:not(:disabled){background:var(--c-bg)}.btn-danger{border:1px solid #ffcecb;background:var(--c-danger-bg);color:var(--c-danger)}.btn-danger:hover:not(:disabled){background:#ffcecb}.sidebar-item:hover{background:#0969da0f!important}.card{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius-md);box-shadow:var(--shadow-sm)}.filter-ctrl{padding:6px 10px;border-radius:var(--radius-sm);border:1px solid var(--c-border);background:var(--c-surface);font-size:13px;color:var(--c-text)}.filter-ctrl:focus{outline:2px solid var(--c-primary);outline-offset:1px}