/* ==========================================================================
   NBG Arena — Modern navigation (mega menu + premium side drawer)
   ========================================================================== */

/* ---- Premium menu button (mobile) ---- */
.nav-menu-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 2.75rem;
    height: 2.75rem;
    padding: 0;
    margin-left: auto;
    border: 1px solid rgba(15, 23, 42, 0.08);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.95);
    color: var(--nbg-ink, #0f172a);
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.08);
    cursor: pointer;
    transition: background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease;
}

.nav-menu-btn:hover {
    background: #fff;
    border-color: rgba(79, 70, 229, 0.22);
    color: var(--nbg-indigo, #4f46e5);
    box-shadow: 0 4px 14px rgba(79, 70, 229, 0.14);
}

.nav-menu-btn:active {
    transform: scale(0.96);
}

.nav-menu-icon-wrap {
    position: relative;
    width: 1.25rem;
    height: 1.25rem;
}

.nav-menu-icon {
    position: absolute;
    inset: 0;
    width: 1.25rem;
    height: 1.25rem;
    transition: opacity 0.2s ease, transform 0.24s cubic-bezier(0.22, 1, 0.36, 1);
}

.nav-menu-icon--close {
    opacity: 0;
    transform: scale(0.82) rotate(-12deg);
}

html.nav-drawer-open .nav-menu-icon--open {
    opacity: 0;
    transform: scale(0.82) rotate(12deg);
}

html.nav-drawer-open .nav-menu-icon--close {
    opacity: 1;
    transform: scale(1) rotate(0);
}

html.nav-drawer-open .nav-menu-btn {
    border-color: rgba(79, 70, 229, 0.28);
    color: var(--nbg-indigo, #4f46e5);
    background: rgba(79, 70, 229, 0.08);
}

/* ---- Desktop mega menu ---- */
.site-nav > .container {
    display: flex;
    align-items: center;
    flex-wrap: nowrap;
}

.site-nav,
.site-nav > .container,
.site-nav-desktop,
.site-nav .navbar-nav,
.nav-mega-wrap {
    overflow: visible !important;
}

.site-nav-desktop { position: relative; z-index: 1; }

.nav-mega-wrap { position: relative; }

.nav-mega-control {
    display: inline-flex;
    align-items: stretch;
    border-radius: var(--radius-sm);
}

.nav-mega-link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding-right: 0.35rem !important;
    border-top-right-radius: 0 !important;
    border-bottom-right-radius: 0 !important;
}

.nav-mega-trigger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 0.55rem;
    border: none;
    background: transparent;
    cursor: pointer;
    color: var(--nbg-slate);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    transition: all var(--transition);
}

.nav-mega-trigger .nav-chevron {
    transition: transform 0.25s ease;
    opacity: 0.55;
}

.nav-mega-wrap.is-open .nav-mega-trigger .nav-chevron {
    transform: rotate(180deg);
}

.nav-mega-wrap.is-open .nav-mega-control,
.nav-mega-control:hover {
    background: rgba(79, 70, 229, 0.06);
}

.nav-mega-wrap.is-open .nav-mega-link,
.nav-mega-wrap.is-open .nav-mega-trigger,
.nav-mega-link.active {
    color: var(--nbg-indigo) !important;
}

.nav-mega-panel {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: min(720px, calc(100vw - 2rem));
    padding: 0.85rem 1rem 1rem;
    margin-top: 0.35rem;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--nbg-border);
    border-radius: var(--radius-lg);
    box-shadow: 0 24px 48px rgba(12, 18, 34, 0.18);
    z-index: 1050;
    opacity: 0;
    transform: translateY(6px);
    pointer-events: none;
}

/* Invisible bridge so the pointer can reach the panel without closing */
.nav-mega-panel::before {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    top: -0.75rem;
    height: 0.75rem;
}

.nav-mega-wrap.is-open .nav-mega-panel {
    display: block;
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
    animation: nav-mega-in 0.2s ease forwards;
}

@media (min-width: 992px) {
    .site-nav .navbar-nav .nav-mega-wrap:last-of-type .nav-mega-panel {
        left: auto;
        right: 0;
    }
}

@keyframes nav-mega-in {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.nav-mega-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.65rem;
}

.nav-mega-grid-3 { grid-template-columns: repeat(3, 1fr); }

.nav-mega-card {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    min-height: 100%;
    padding: 1rem 1.05rem;
    border-radius: var(--radius-md);
    text-decoration: none;
    color: var(--nbg-ink);
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid rgba(12, 18, 34, 0.07);
    box-shadow: 0 1px 2px rgba(12, 18, 34, 0.04);
    transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease, background 0.22s ease;
}

.nav-mega-card:hover,
.nav-mega-card.active {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.1), rgba(5, 150, 105, 0.06));
    border-color: rgba(79, 70, 229, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 10px 22px rgba(79, 70, 229, 0.12);
    color: var(--nbg-indigo);
}

.nav-mega-icon {
    font-size: 1.35rem;
    line-height: 1;
    width: 2.35rem;
    height: 2.35rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: rgba(79, 70, 229, 0.08);
}

.nav-mega-label { font-weight: 800; font-size: 0.9rem; line-height: 1.25; }
.nav-mega-desc { font-size: 0.76rem; color: var(--nbg-text-muted); line-height: 1.45; }

.nav-mega-live-tag {
    display: inline-block;
    font-size: 0.6rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    padding: 0.15rem 0.4rem;
    border-radius: 999px;
    background: var(--nbg-emerald);
    color: #fff;
    vertical-align: middle;
}

.site-nav .nav-mega-trigger:hover,
.site-nav .nav-mega-trigger:focus-visible {
    color: var(--nbg-indigo) !important;
    background: rgba(79, 70, 229, 0.08);
    outline: none;
}

/* ---- Side drawer ---- */
.nav-drawer {
    position: fixed;
    inset: 0;
    z-index: 2000;
    pointer-events: none;
}

.nav-drawer.is-open { pointer-events: auto; }

.nav-drawer-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(12, 18, 34, 0.6);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.nav-drawer.is-open .nav-drawer-backdrop { opacity: 1; }

.nav-drawer-panel {
    position: absolute;
    top: 0;
    right: 0;
    width: min(360px, 92vw);
    height: 100%;
    display: flex;
    flex-direction: column;
    background: #0a0f1a;
    color: #fff;
    box-shadow: -20px 0 60px rgba(0, 0, 0, 0.45);
    transform: translateX(105%);
    transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1);
    overflow: hidden;
}

.nav-drawer.is-open .nav-drawer-panel { transform: translateX(0); }

.nav-drawer-accent {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--nbg-indigo), var(--nbg-emerald), var(--nbg-gold));
    z-index: 2;
}

.nav-drawer-panel::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 90% 45% at 100% 0%, rgba(79, 70, 229, 0.35), transparent 55%),
        radial-gradient(ellipse 70% 40% at 0% 100%, rgba(217, 119, 6, 0.1), transparent 50%);
    pointer-events: none;
}

.nav-drawer-head,
.nav-drawer-body,
.nav-drawer-foot {
    position: relative;
    z-index: 1;
}

.nav-drawer-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    padding: 1.5rem 1.25rem 1rem;
}

.nav-drawer-eyebrow {
    display: block;
    font-size: 0.65rem;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--nbg-gold-light);
    margin-bottom: 0.25rem;
}

.nav-drawer-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 800;
    line-height: 1.1;
}

.nav-drawer-close {
    width: 2.5rem;
    height: 2.5rem;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.06);
    color: rgba(255, 255, 255, 0.88);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
    flex-shrink: 0;
}

.nav-drawer-close-icon {
    width: 1.1rem;
    height: 1.1rem;
}

.nav-drawer-close:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.22);
    color: #fff;
}

.nav-drawer-body {
    flex: 1;
    overflow-y: auto;
    padding: 0.5rem 1rem 1.25rem;
    -webkit-overflow-scrolling: touch;
}

.nav-drawer-auth {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1.15rem;
    padding: 0.85rem;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.nav-drawer-auth-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    width: 100%;
    padding: 0.78rem 1rem;
    border-radius: 12px;
    font-size: 0.9rem;
    font-weight: 700;
    line-height: 1.2;
    text-decoration: none;
    text-align: center;
    transition: background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease, color 0.2s ease;
}

.nav-drawer-auth-btn--primary {
    background: linear-gradient(135deg, var(--nbg-gold, #d97706) 0%, #b45309 100%);
    color: #0c1222;
    border: none;
    box-shadow: 0 4px 16px rgba(217, 119, 6, 0.35);
}

.nav-drawer-auth-btn--primary:hover {
    color: #0c1222;
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(217, 119, 6, 0.42);
}

.nav-drawer-auth-btn--secondary {
    background: transparent;
    color: rgba(255, 255, 255, 0.92);
    border: 1.5px solid rgba(255, 255, 255, 0.18);
}

.nav-drawer-auth-btn--secondary:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.28);
}

.nav-drawer-auth-icon {
    width: 1rem;
    height: 1rem;
    flex-shrink: 0;
}

.nav-drawer-auth-note {
    margin: 0.15rem 0 0;
    padding-top: 0.35rem;
    font-size: 0.72rem;
    font-weight: 600;
    line-height: 1.4;
    text-align: center;
    color: rgba(255, 255, 255, 0.42);
}

.nav-drawer-group-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.65rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.4);
    margin: 1rem 0 0.5rem;
    padding-left: 0.25rem;
}

.nav-drawer-live-pill {
    font-size: 0.55rem;
    padding: 0.15rem 0.4rem;
    border-radius: 999px;
    background: var(--nbg-emerald);
    color: #fff;
    letter-spacing: 0.04em;
}

.nav-drawer-card {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 0.85rem 1rem;
    margin-bottom: 0.4rem;
    border-radius: var(--radius-md);
    text-decoration: none;
    color: #fff;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.06);
    transition: all 0.25s ease;
    opacity: 0;
    transform: translateX(16px);
}

.nav-drawer.is-open .nav-drawer-card {
    opacity: 1;
    transform: translateX(0);
}

.nav-drawer.is-open .nav-drawer-card:nth-child(2) { transition-delay: 0.04s; }
.nav-drawer.is-open .nav-drawer-card:nth-child(3) { transition-delay: 0.06s; }
.nav-drawer.is-open .nav-drawer-card:nth-child(4) { transition-delay: 0.08s; }
.nav-drawer.is-open .nav-drawer-card:nth-child(5) { transition-delay: 0.1s; }
.nav-drawer.is-open .nav-drawer-card:nth-child(6) { transition-delay: 0.12s; }
.nav-drawer.is-open .nav-drawer-card:nth-child(7) { transition-delay: 0.14s; }
.nav-drawer.is-open .nav-drawer-card:nth-child(8) { transition-delay: 0.16s; }
.nav-drawer.is-open .nav-drawer-card:nth-child(9) { transition-delay: 0.18s; }
.nav-drawer.is-open .nav-drawer-card:nth-child(10) { transition-delay: 0.2s; }
.nav-drawer.is-open .nav-drawer-card:nth-child(11) { transition-delay: 0.22s; }
.nav-drawer.is-open .nav-drawer-card:nth-child(12) { transition-delay: 0.24s; }

.nav-drawer-card:hover,
.nav-drawer-card.active {
    background: rgba(79, 70, 229, 0.22);
    border-color: rgba(79, 70, 229, 0.35);
    transform: translateX(4px);
}

.nav-drawer-card.is-live {
    border-color: rgba(16, 185, 129, 0.35);
    background: rgba(16, 185, 129, 0.1);
}

.nav-drawer-card-icon {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    border: 1px solid transparent;
}

.nav-drawer-card-icon-svg {
    width: 1.2rem;
    height: 1.2rem;
    color: #fff;
}

.nav-drawer-card-icon--explore {
    background: linear-gradient(145deg, rgba(99, 102, 241, 0.32), rgba(79, 70, 229, 0.16));
    border-color: rgba(129, 140, 248, 0.22);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.nav-drawer-card-icon--rankings {
    background: linear-gradient(145deg, rgba(245, 158, 11, 0.28), rgba(217, 119, 6, 0.14));
    border-color: rgba(251, 191, 36, 0.22);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.nav-drawer-card-icon--watch {
    background: linear-gradient(145deg, rgba(16, 185, 129, 0.28), rgba(5, 150, 105, 0.14));
    border-color: rgba(52, 211, 153, 0.22);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.nav-drawer-card-icon-svg.is-live {
    color: #6ee7b7;
    filter: drop-shadow(0 0 6px rgba(16, 185, 129, 0.55));
}

.nav-drawer-card-text {
    flex: 1;
    min-width: 0;
}

.nav-drawer-card-text strong {
    display: block;
    font-size: 0.92rem;
    font-weight: 700;
    line-height: 1.2;
}

.nav-drawer-card-text small {
    display: block;
    font-size: 0.72rem;
    color: rgba(255, 255, 255, 0.5);
    margin-top: 0.15rem;
}

.nav-drawer-card-arrow {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    opacity: 0.45;
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.nav-drawer-arrow-svg {
    width: 1rem;
    height: 1rem;
    color: rgba(255, 255, 255, 0.55);
}

.nav-drawer-card:hover .nav-drawer-card-arrow {
    opacity: 1;
    transform: translateX(2px);
}

.nav-drawer-card:hover .nav-drawer-arrow-svg {
    color: rgba(255, 255, 255, 0.92);
}

.nav-drawer-foot {
    padding: 0.85rem 1.25rem 1.25rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(0, 0, 0, 0.2);
}

.nav-drawer-foot-link {
    display: block;
    text-align: center;
    color: rgba(255, 255, 255, 0.55);
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
}

.nav-drawer-foot-link:hover { color: #fff; }

body.nav-drawer-open,
html.nav-drawer-open { overflow: hidden; }

@media (prefers-reduced-motion: reduce) {
    .nav-drawer-panel,
    .nav-drawer-backdrop,
    .nav-mega-panel,
    .nav-drawer-card,
    .nav-menu-icon {
        transition: none;
    }

    .nav-drawer-card {
        opacity: 1;
        transform: none;
    }
}