:root{--primary:#4a90d9;--success:#28a745;--danger:#dc3545;--warning:#ffc107;--dark:#343a40;--bg:#f8f9fa}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;background:var(--bg)}
.fixed-top{z-index:1030}
.sidebar{position:sticky;top:70px}
.sidebar .nav-link{color:var(--dark);border-radius:.375rem;margin-bottom:.25rem}
.sidebar .nav-link:hover{background:#e9ecef}
.sidebar .nav-link.active{background:var(--primary);color:#fff}
.card{box-shadow:0 .125rem .25rem rgba(0,0,0,.075);border:none}
.table{font-size:.9rem}
.badge-cnt{font-size:.75rem;min-width:1.5rem;display:inline-block;text-align:center;padding:.2em .5em;border-radius:50%}
.form-control-sm,.form-select-sm{font-size:.875rem}
textarea.form-control{resize:vertical;min-height:80px}
.code-block{background:#2d2d2d;color:#f8f8f2;padding:1rem;border-radius:.375rem;font-family:Consolas,monospace;font-size:.8rem;white-space:pre-wrap;overflow-x:auto}
.json-viewer{font-size:.8rem}
.stat-card{transition:transform .2s}
.stat-card:hover{transform:translateY(-2px)}
.stat-number{font-size:2rem;font-weight:700}
.table-responsive{overflow-x:auto}
@media(max-width:768px){.sidebar{margin-bottom:1rem}}