:root{
  --dp-logo-blue:#0b57c2;
  --dp-logo-sky:#08a7f0;
  --dp-logo-green:#22c55e;
  --dp-bg:#f6f8fb;
  --dp-surface:#ffffff;
  --dp-sidebar:#0f2b36;
  --dp-sidebar-2:#113d4d;
  --dp-border:#dbe4ef;
  --dp-text:#0f172a;
  --dp-muted:#667085;
  --dp-radius:22px;
  --dp-card-radius:20px;
  --dp-shadow:0 18px 45px rgba(15,23,42,.08);
  --dp-shadow-soft:0 10px 28px rgba(15,23,42,.06);
  --dp-accent:var(--dp-logo-green);
  --dp-accent-dark:#16a34a;
  --dp-accent-soft:#e8fbea;
  --dp-accent-mid:#a7f3d0;
}
body.dp-role-teacher{--dp-accent:var(--dp-logo-blue);--dp-accent-dark:#084aa5;--dp-accent-soft:#eaf3ff;--dp-accent-mid:#bfdbfe;--dp-sidebar:#0b2345;--dp-sidebar-2:#0b376a;}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at top left,rgba(34,197,94,.08),transparent 34%),radial-gradient(circle at top right,rgba(8,167,240,.10),transparent 36%),var(--dp-bg);color:var(--dp-text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.55;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;}
a{color:var(--dp-accent-dark);text-decoration:none}a:hover{text-decoration:underline}.dp-skip-link{position:absolute;left:-999px;top:auto}.dp-skip-link:focus{left:16px;top:16px;z-index:9999;background:#fff;padding:10px 14px;border-radius:10px;box-shadow:var(--dp-shadow)}
.dp-app-shell{min-height:100vh;display:grid;grid-template-columns:260px minmax(0,1fr);gap:22px;padding:22px;}.dp-app-area{min-width:0;}
.dp-sidebar{position:sticky;top:22px;height:calc(100vh - 44px);padding:18px;background:linear-gradient(180deg,var(--dp-sidebar),var(--dp-sidebar-2));border:1px solid rgba(255,255,255,.08);border-radius:28px;box-shadow:0 24px 52px rgba(15,23,42,.18);color:#fff;overflow:auto}.dp-sidebar-brand{display:flex;align-items:center;gap:12px;margin-bottom:22px;padding:6px 6px 16px;border-bottom:1px solid rgba(255,255,255,.13);font-weight:900;letter-spacing:-.02em}.dp-sidebar-logo{width:44px;height:44px;object-fit:contain;border-radius:14px;background:#fff;box-shadow:0 8px 18px rgba(0,0,0,.12)}.dp-sidebar-nav{display:grid;gap:8px}.dp-nav-link{display:flex;align-items:center;gap:10px;min-height:46px;padding:12px 13px;border-radius:15px;color:rgba(255,255,255,.88);font-weight:800;transition:background .18s ease,transform .18s ease,color .18s ease}.dp-nav-link:hover{background:rgba(255,255,255,.10);transform:translateX(2px);color:#fff;text-decoration:none}.dp-nav-link.is-active{background:var(--dp-accent);color:#fff;box-shadow:0 10px 24px rgba(0,0,0,.18)}.dp-nav-dot{width:9px;height:9px;border:2px solid currentColor;border-radius:50%;opacity:.9}.dp-nav-link.is-active .dp-nav-dot{background:#fff;border-color:#fff}
.dp-site-header{min-height:86px;margin:0 0 22px;padding:14px 20px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:20px;background:rgba(255,255,255,.9);border:1px solid var(--dp-border);border-radius:28px;box-shadow:var(--dp-shadow-soft);backdrop-filter:blur(14px)}.dp-mobile-brand{display:none;align-items:center;gap:12px}.dp-brand-logo{width:46px;height:46px;object-fit:contain;border-radius:14px}.dp-brand-name{font-weight:900;font-size:1.25rem;letter-spacing:-.03em}.dp-page-title{text-align:center;font-weight:950;font-size:1.3rem;letter-spacing:-.03em}.dp-ai-guide{display:inline-flex;align-items:center;justify-content:center;gap:6px;width:62px;height:42px;border:1px solid var(--dp-border);border-radius:18px;background:#fff;box-shadow:0 7px 18px rgba(15,23,42,.06);cursor:pointer}.dp-eye{width:11px;height:11px;border-radius:50%;background:var(--dp-accent);animation:dpBlink 3.2s infinite}.dp-eye:nth-child(2){animation-delay:0s}@keyframes dpBlink{0%,88%,100%{transform:scaleY(1)}92%,96%{transform:scaleY(.15)}}.dp-top-actions{display:flex;justify-content:flex-end;align-items:center}.dp-signout-button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:10px 18px;border:1px solid var(--dp-border);border-radius:16px;background:#fff;color:var(--dp-text);font-weight:900;box-shadow:0 7px 18px rgba(15,23,42,.04)}.dp-signout-button:hover{background:var(--dp-accent-soft);border-color:var(--dp-accent);text-decoration:none}
.dp-main-content{min-width:0}.dp-content-card{background:rgba(255,255,255,.94);border:1px solid var(--dp-border);border-radius:28px;box-shadow:var(--dp-shadow);padding:30px;margin-bottom:24px;overflow:hidden}.dp-page-card{min-height:calc(100vh - 180px)}.dp-entry-content > *:first-child{margin-top:0}.dp-entry-content h1,.dp-entry-content h2,.dp-entry-content h3{letter-spacing:-.035em;line-height:1.12;color:var(--dp-text)}.dp-entry-content h1{font-size:clamp(2.1rem,4vw,4.4rem);font-weight:950}.dp-entry-content h2{font-size:clamp(1.45rem,2.3vw,2.4rem);font-weight:950}.dp-entry-content h3{font-size:1.22rem;font-weight:950}.dp-entry-content p{color:var(--dp-muted)}
.dp-entry-content :is(.card,.dp-card,.panel,.box,section){border-radius:var(--dp-card-radius)}.dp-entry-content .dp-primary-action,.dp-entry-content .primary-action{background:linear-gradient(135deg,var(--dp-accent-soft),#fff);border:1px solid var(--dp-accent-mid);border-radius:24px;padding:22px;box-shadow:var(--dp-shadow-soft)}
.dp-entry-content button,.dp-entry-content .button,.dp-entry-content input[type="submit"],.dp-entry-content a.button,.dp-entry-content a[class*="btn"]{appearance:none;display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:11px 18px;border-radius:14px;border:1px solid var(--dp-border);background:#fff;color:var(--dp-text);font-weight:900;box-shadow:none;transition:transform .16s ease,background .16s ease,border-color .16s ease,color .16s ease}.dp-entry-content button:hover,.dp-entry-content .button:hover,.dp-entry-content input[type="submit"]:hover,.dp-entry-content a.button:hover,.dp-entry-content a[class*="btn"]:hover{transform:translateY(-1px);border-color:var(--dp-accent);background:var(--dp-accent-soft);text-decoration:none}.dp-entry-content .button-primary,.dp-entry-content .dp-primary,.dp-entry-content button[type="submit"],.dp-entry-content input[type="submit"],.dp-entry-content a.primary,.dp-entry-content a[class*="continue"]{background:var(--dp-accent);border-color:var(--dp-accent);color:#fff}.dp-entry-content .button-primary:hover,.dp-entry-content .dp-primary:hover,.dp-entry-content button[type="submit"]:hover,.dp-entry-content input[type="submit"]:hover,.dp-entry-content a.primary:hover,.dp-entry-content a[class*="continue"]:hover{background:var(--dp-accent-dark);border-color:var(--dp-accent-dark);color:#fff}
.dp-entry-content input,.dp-entry-content select,.dp-entry-content textarea{max-width:100%;border:1px solid var(--dp-border);border-radius:14px;background:#fff;padding:11px 14px;font:inherit}.dp-entry-content input:focus,.dp-entry-content select:focus,.dp-entry-content textarea:focus{outline:3px solid color-mix(in srgb,var(--dp-accent) 22%, transparent);border-color:var(--dp-accent)}
.dp-entry-content table{width:100%;border-collapse:separate;border-spacing:0;background:#fff;border:1px solid var(--dp-border);border-radius:20px;overflow:hidden;box-shadow:var(--dp-shadow-soft)}.dp-entry-content th,.dp-entry-content td{padding:14px 16px;border-bottom:1px solid var(--dp-border);text-align:left;vertical-align:middle}.dp-entry-content th{font-weight:950;background:#f8fafc}.dp-entry-content tr:last-child td{border-bottom:0}.dp-entry-content tbody tr:hover{background:var(--dp-accent-soft)}
.dp-entry-content [class*="status"],.dp-entry-content [class*="badge"]{display:inline-flex;align-items:center;border-radius:999px;padding:4px 10px;font-size:.85rem;font-weight:850;background:var(--dp-accent-soft);color:var(--dp-accent-dark)}.dp-entry-content [class*="progress"]{accent-color:var(--dp-accent)}.dp-entry-content hr{border:0;border-top:1px solid var(--dp-border);margin:22px 0}.dp-site-footer{padding:0 4px 22px;color:var(--dp-muted);font-size:.9rem}.dp-site-footer span{display:inline-flex;padding:8px 10px}
@media (max-width:1020px){.dp-app-shell{grid-template-columns:1fr;padding:14px}.dp-sidebar{position:relative;top:auto;height:auto;border-radius:24px}.dp-sidebar-nav{grid-template-columns:repeat(2,minmax(0,1fr))}.dp-site-header{grid-template-columns:auto 1fr auto}.dp-mobile-brand{display:none}.dp-page-title{text-align:left}.dp-content-card{padding:22px}}
@media (max-width:680px){.dp-sidebar-nav{grid-template-columns:1fr}.dp-site-header{grid-template-columns:1fr;justify-items:center;text-align:center}.dp-page-title{text-align:center}.dp-content-card{padding:18px;border-radius:22px}.dp-entry-content table{display:block;overflow-x:auto;white-space:nowrap}.dp-signout-button{width:100%}}


/* Emergency recovery: public pages must never show the protected control-panel sidebar. */
body.dp-role-public .dp-app-shell {
    grid-template-columns: 1fr;
}
body.dp-role-public .dp-app-area {
    min-width: 0;
}
body.dp-role-public .dp-main-content {
    max-width: 1180px;
    width: 100%;
    margin-left: auto;
    margin-right: auto;
}
body.dp-role-public .dp-site-header {
    padding-left: clamp(16px, 4vw, 48px);
    padding-right: clamp(16px, 4vw, 48px);
}
body.dp-role-public .dp-page-title {
    color: var(--dp-ink, #111827);
}