*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:#f5f5f5;color:#1a1a1a}.app-header{background:#1a1a2e;color:#fff;padding:0 2rem;height:60px;display:flex;align-items:center}.header-content{display:flex;align-items:center;justify-content:space-between;width:100%;max-width:1200px;margin:0 auto}.header-content h1{font-size:1.25rem;font-weight:600}.header-content nav a{color:#fffc;text-decoration:none;font-size:.9rem}.header-content nav a:hover{color:#fff}.app-main{max-width:1200px;margin:2rem auto;padding:0 2rem}.dashboard h2{margin-bottom:1.5rem}.status-card{background:#fff;border-radius:8px;padding:1.5rem;box-shadow:0 1px 3px #0000001a}