/* Basic Clean Reset */
* { box-sizing: border-box; }
body, h1, h2, p, ul, li, table { margin: 0; padding: 0; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; background-color: #f4f6f9; color: #333; }

a { text-decoration: none; color: #007bff; }
a:hover { text-decoration: underline; }

/* Utilities */
.btn { display: inline-block; padding: 0.5rem 1rem; border-radius: 4px; cursor: pointer; text-align: center; }
.btn-primary { background-color: #007bff; color: white; border: none; }
.btn-primary:hover { background-color: #0056b3; }
.btn-danger { background-color: #dc3545; color: white; border: none; }

.card { background: white; border-radius: 0.25rem; box-shadow: 0 0.125rem 0.25rem rgba(0,0,0,0.075); padding: 1.25rem; margin-bottom: 1rem; }

/* Tables */
table { width: 100%; margin-bottom: 1rem; color: #212529; border-collapse: collapse; }
table th, table td { padding: 0.75rem; vertical-align: top; border-top: 1px solid #dee2e6; }
table thead th { vertical-align: bottom; border-bottom: 2px solid #dee2e6; background-color: #e9ecef; }