/* Diamond Star Academy official visual identity. All academic and auth logic remains unchanged. */
:root{
  --navy:#18295f;
  --navy2:#263b7a;
  --gold:#d5aa39;
  --blue:#314f94;
}
.sidebar{background:#182b66;border-right:1px solid #23356b}
.sidebar .nav button.active,.sidebar .nav button:hover{background:#2c4280}
.sidebar .nav button.active{border-left-color:#f4c236}
.sidebar .brand{gap:12px;padding:3px 5px 11px;border-bottom:1px solid #ffffff25;min-height:80px}
.sidebar-crest{height:66px;width:66px;flex-shrink:0;object-fit:contain;background:#fff;padding:3px;border-radius:50%;box-shadow:0 4px 14px #09112e55}
.brand-name{min-width:0}.brand-name b{font-size:13px;line-height:1.2;letter-spacing:.06em;display:block;white-space:nowrap}
.brand-name span{font-size:9px;line-height:1.5;letter-spacing:.13em;color:#cedaf5}
.auth-screen{background:radial-gradient(circle at 20% 13%,#294879 0%,#16275e 49%,#0f1b3d 100%)}
.auth-card{border-top:4px solid #c7a449;max-width:490px}
.auth-identity{display:flex;align-items:center;gap:17px;margin-bottom:18px}
.auth-crest{display:block;height:92px;width:92px;flex-shrink:0;object-fit:contain;border-radius:50%;background:white;filter:drop-shadow(0 2px 4px #17255819)}
.auth-identity .auth-eyebrow{font-size:12px;letter-spacing:.14em;line-height:1.35;margin:0;color:#1b3375}
.auth-tagline{font-size:10px;font-weight:750;letter-spacing:.13em;color:#917732;margin:7px 0 0}
.auth-card h1{color:#152959}
.auth-button{background:#1b316d}.auth-button:hover{background:#263d7f}
.topbar-identity{display:flex;align-items:center;gap:13px;min-width:220px}
.topbar-crest{display:block;object-fit:contain;width:48px;height:48px;flex-shrink:0;border-radius:50%}
.topbar{border-bottom:2px solid #d9c38a}
.topbar-identity h1{font-size:20px;line-height:1.2}
.content .footer{border-top:1px solid #dde3ee}
@media(max-width:820px){.sidebar .brand{display:none}.topbar-crest{width:43px;height:43px}}
@media(max-width:510px){.auth-crest{width:76px;height:76px}.auth-identity{gap:12px}.auth-identity .auth-eyebrow{font-size:11px}.auth-card h1{font-size:24px}.topbar-identity h1{font-size:18px}.topbar-crest{width:38px;height:38px}}
@media print{
  @page{margin:0.58in 0.65in}
  .auth-screen,.sidebar{display:none!important}
  .topbar{border-bottom:2px solid #172c72!important;padding:0 0 12px!important;margin:0 0 16px}
  .topbar-crest{display:block!important;width:58px;height:58px}
  .topbar-identity h1{font-size:21px!important}
  .content{padding:0!important}
  .panel,.kpi,.dataCard{break-inside:avoid}
  .footer{break-inside:avoid}
}