:root{color-scheme:light;--color-primary: #1a56db;--color-bg: #f7f8fa;--color-surface: #ffffff;--color-border: #e2e5ea;--color-text: #1f2430;--color-text-muted: #6b7280;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--color-bg);color:var(--color-text)}a{color:var(--color-primary)}button{font-family:inherit;cursor:pointer}.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.5rem 1rem;border-radius:6px;border:1px solid var(--color-border);background:var(--color-surface);font-size:.9rem}.btn-primary{background:var(--color-primary);border-color:var(--color-primary);color:#fff}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:10px;padding:1.25rem}input,textarea,select{font-family:inherit;padding:.5rem .65rem;border-radius:6px;border:1px solid var(--color-border);font-size:.9rem;width:100%}table{border-collapse:collapse;width:100%}th,td{text-align:left;padding:.6rem .5rem;border-bottom:1px solid var(--color-border);font-size:.9rem}