:root{--brand:#7a1230;--brand2:#a91d4b;--bg:#f4f6f9;--ink:#172033}
body{background:var(--bg);color:var(--ink);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}
.brand-nav{background:linear-gradient(100deg,var(--brand),var(--brand2))}
.card{border:0;border-radius:14px;box-shadow:0 4px 18px rgba(23,32,51,.06)}
.stat-card{min-height:118px}.stat-number{font-size:2rem;font-weight:800}.section-title{font-size:1.05rem;font-weight:700;color:var(--brand)}
.table thead th{white-space:nowrap;background:#faf7f8;color:#5d1028;border-bottom:1px solid #ead8de}.table td{vertical-align:middle}
.btn-brand{background:var(--brand);border-color:var(--brand);color:#fff}.btn-brand:hover{background:#5f0e25;border-color:#5f0e25;color:#fff}
.login-card{max-width:460px;margin:7vh auto}.abstract-text{white-space:pre-wrap;line-height:1.65}.filter-card{position:sticky;top:1rem}.small-muted{font-size:.875rem;color:#6b7280}.required:after{content:' *';color:#dc3545}