:root {
    --brand-1: #6366f1;
    --brand-2: #a78bfa;
    --brand-3: #2dd4bf;
    --ink: #0f172a;
    --ink-2: #1e293b;
    --muted: #64748b;
    --muted-2: #94a3b8;
    --line: #e2e8f0;
    --bg: #ffffff;
    --bg-2: #f8fafc;
    --bg-3: #f1f5f9;
}
body {
    background: var(--bg) !important;
    color: var(--ink);
    min-height: 100vh;
    position: relative;
}
body::before {
    content: "";
    position: fixed;
    top: 0; left: 0; right: 0;
    height: 100vh;
    z-index: -2;
    background:
        radial-gradient(ellipse 120% 60% at 50% -10%, rgba(99,102,241,.08), transparent 70%),
        radial-gradient(ellipse 80% 50% at 80% 0%, rgba(167,139,250,.06), transparent 60%);
    pointer-events: none;
}
body::after {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -1;
    background-image:
        linear-gradient(rgba(15,23,42,.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(15,23,42,.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: linear-gradient(180deg, #000 0%, transparent 50%);
    -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 50%);
    pointer-events: none;
}
.cnz-aurora {
    pointer-events: none;
    position: fixed;
    inset: 0;
    overflow: hidden;
    z-index: -1;
}
.cnz-aurora b {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: .35;
    will-change: transform;
}
.cnz-aurora b:nth-child(1) {
    width: 600px; height: 600px;
    top: -200px; left: -150px;
    background: radial-gradient(circle, rgba(99,102,241,.5), transparent 70%);
    animation: cnzDriftA 25s ease-in-out infinite;
}
.cnz-aurora b:nth-child(2) {
    width: 500px; height: 500px;
    top: -100px; right: -200px;
    background: radial-gradient(circle, rgba(167,139,250,.4), transparent 70%);
    animation: cnzDriftB 30s ease-in-out infinite;
}
.cnz-aurora b:nth-child(3) {
    width: 400px; height: 400px;
    bottom: -150px; left: 40%;
    background: radial-gradient(circle, rgba(45,212,191,.3), transparent 70%);
    animation: cnzDriftC 28s ease-in-out infinite;
}
@keyframes cnzDriftA {
    0%, 100% { transform: translate3d(0,0,0) scale(1); }
    50%      { transform: translate3d(50px, 40px, 0) scale(1.06); }
}
@keyframes cnzDriftB {
    0%, 100% { transform: translate3d(0,0,0) scale(1); }
    50%      { transform: translate3d(-60px, 50px, 0) scale(1.04); }
}
@keyframes cnzDriftC {
    0%, 100% { transform: translate3d(0,0,0) scale(1); }
    50%      { transform: translate3d(30px, -40px, 0) scale(1.08); }
}
@media (prefers-reduced-motion: reduce) {
    .cnz-aurora b { animation: none !important; }
}
#announcements {
    background: linear-gradient(90deg, #eff6ff, #f5f3ff) !important;
    border-bottom: 1px solid #e0e7ff;
    font-size: .88rem;
    padding: .65rem 1rem !important;
}
#announcements > .container > div:first-child { color: #4338ca !important; }
#announcements .close i { color: rgba(67,56,202,.7) !important; }
.navbar-main {
    background: transparent !important;
    backdrop-filter: blur(20px) saturate(160%);
    -webkit-backdrop-filter: blur(20px) saturate(160%);
    border-bottom: none;
    padding: .75rem 0;
    position: -webkit-sticky;
    position: sticky;
    top: 0;
    z-index: 1030;
}
.navbar-main.mb-8 { margin-bottom: 1.5rem !important; }
.navbar-main .navbar-brand {
    background: linear-gradient(135deg, var(--brand-1), var(--brand-2), var(--brand-3));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 900;
    font-size: 1.35rem;
    letter-spacing: .06em;
    position: relative;
    transition: transform .2s ease;
}
.navbar-main .navbar-brand:hover {
    transform: scale(1.04);
    -webkit-text-fill-color: transparent;
}
@keyframes brand-shimmer {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}
.navbar-main .navbar-brand {
    background-size: 200% 200%;
    animation: brand-shimmer 4s ease infinite;
}
.navbar-main .navbar-nav { align-items: center; }
.navbar-main .navbar-nav .nav-link {
    align-items: center;
    color: var(--ink-2) !important;
    display: inline-flex;
    font-size: .92rem !important;
    font-weight: 600;
    gap: .35rem;
    padding: .4rem .8rem !important;
    position: relative;
    transition: color .2s ease, transform .15s ease;
    letter-spacing: .01em;
}
.navbar-main .navbar-nav .nav-link::after {
    background: linear-gradient(135deg, var(--brand-1), var(--brand-2));
    border-radius: 4px;
    bottom: 2px;
    content: "";
    height: 2px;
    left: 50%;
    position: absolute;
    transform: translateX(-50%) scaleX(0);
    transform-origin: center;
    transition: transform .25s ease;
    width: 60%;
}
.navbar-main .navbar-nav .nav-link:hover {
    color: var(--brand-1) !important;
    transform: translateY(-1px);
}
.navbar-main .navbar-nav .nav-link:hover::after { transform: translateX(-50%) scaleX(1); }
.navbar-main .navbar-custom-toggler { color: var(--ink) !important; }
.navbar-main .navbar-nav > li:nth-last-child(2) .nav-link[href*="login"],
.navbar-main .navbar-nav > li.nav-item.active:has(.nav-link[href*="login"]) .nav-link {
    background: var(--bg) !important;
    border: 1px solid var(--line) !important;
    border-radius: 8px !important;
    color: var(--ink) !important;
    margin-left: .5rem !important;
    padding: .3rem .7rem !important;
    font-size: .82rem !important;
}
.navbar-main .navbar-nav > li:nth-last-child(2) .nav-link[href*="login"]:hover { border-color: #cbd5e1; background: #fff; }
.navbar-main .navbar-nav > li:last-child .nav-link[href*="register"],
.navbar-main .navbar-nav > li.nav-item.active:has(.nav-link[href*="register"]) .nav-link {
    background: linear-gradient(135deg, var(--brand-1), var(--brand-2)) !important;
    border: 1px solid transparent !important;
    border-radius: 8px !important;
    box-shadow: 0 6px 16px rgba(99,102,241,.25) !important;
    color: #fff !important;
    margin-left: .5rem !important;
    padding: .3rem .7rem !important;
    font-size: .82rem !important;
}
.navbar-main .navbar-nav > li:last-child .nav-link[href*="register"]:hover { filter: brightness(1.08); }
.navbar-main .dropdown > .dropdown-toggle.nav-link {
    background: var(--bg) !important;
    border: 1px solid var(--line) !important;
    border-radius: 999px !important;
    margin-left: .5rem !important;
    padding: .2rem .65rem .2rem .25rem !important;
    font-size: .82rem !important;
    transition: border-color .15s ease, box-shadow .15s ease;
}
.navbar-main .dropdown > .dropdown-toggle.nav-link:hover {
    border-color: #cbd5e1;
    box-shadow: 0 4px 12px -4px rgba(15,23,42,.06);
    color: var(--ink) !important;
}
.navbar-main .navbar-avatar {
    border: 2px solid #fff !important;
    border-radius: 50% !important;
    box-shadow: 0 0 0 1px var(--line) !important;
    height: 22px !important;
    margin-right: .3rem !important;
    width: 22px !important;
}
.navbar-main .dropdown-toggle::after {
    border-top-color: var(--muted);
    margin-left: .35rem;
}
.navbar-main .dropdown-menu {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 14px;
    box-shadow: 0 1px 2px rgba(15,23,42,.04), 0 20px 50px -12px rgba(15,23,42,.14);
    margin-top: .55rem;
    min-width: 220px;
    padding: .5rem;
    z-index: 1050;
}
.navbar-main .dropdown-menu .dropdown-item {
    align-items: center;
    border-radius: 9px;
    color: var(--ink-2);
    display: flex;
    font-size: .9rem;
    font-weight: 500;
    gap: .25rem;
    padding: .55rem .7rem;
    transition: background .12s ease, color .12s ease;
}
.navbar-main .dropdown-menu .dropdown-item:hover { background: var(--bg-2); color: var(--ink); }
.navbar-main .dropdown-menu .dropdown-item i { color: var(--muted); width: 1.25rem; }
.navbar-main .dropdown-menu .dropdown-item:hover i { color: var(--brand-1); }
main { margin-top: 0 !important; }
@media (max-width: 991.98px) {
    .navbar-main .navbar-nav .nav-link,
    .navbar-main .navbar-nav > li:nth-last-child(2) .nav-link[href*="login"],
    .navbar-main .navbar-nav > li:last-child .nav-link[href*="register"],
    .navbar-main .dropdown > .dropdown-toggle.nav-link {
        margin-left: 0 !important;
        margin-bottom: .35rem;
    }
}