/* ====================================================================================
HEADER / NAV (for: <header class="site-header glass-nav"> ...)
==================================================================================== */

.site-header{
    position: sticky;
    top: 0;
    z-index: 1000;
}

/* Glass style */
.site-header.glass-nav{
    background: rgba(15, 17, 24, .70);
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

:root[data-theme="light"] .site-header.glass-nav{
    background: rgba(255,255,255,.70);
}

/* Inner layout */
.header-inner{
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .9rem;
    padding: .75rem 0;
}

/* Logo */
.logo{
    display: inline-flex;
    align-items: center;
    gap: .6rem;
    text-decoration: none;
    color: var(--fg);
    min-width: max-content;
}

.logo-mark{
    display: inline-flex;
    width: 28px;
    height: 28px;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    border: 1px solid var(--line);
    background: rgba(255,255,255,.03);
}

:root[data-theme="light"] .logo-mark{
    background: rgba(18,20,39,.04);
}

.logo-text{
    font-weight: 800;
    letter-spacing: -.01em;
    font-size: 1rem;
    white-space: nowrap;
}

/* Admin badge */
.admin-badge{
    font-size: .72rem;
    letter-spacing: .14em;
    font-weight: 800;
    color: var(--fg);
    border: 1px solid var(--line);
    background: rgba(255,255,255,.03);
    padding: .25rem .5rem;
    border-radius: 999px;
}

/* Nav */
.site-nav{
    display: flex;
    align-items: center;
    gap: .85rem;
}

.site-nav a{
    text-decoration: none;
    color: var(--fg-muted);
    font-weight: 700;
    font-size: .92rem;
    padding: .35rem .25rem;
    border-radius: 10px;
    position: relative;
}

.site-nav a:hover{
    color: var(--fg);
}

/* Active states (supports multiple implementations) */
.site-nav a[aria-current="page"],
.site-nav a.is-active,
.site-nav a.active{
    color: var(--fg);
}

.site-nav a[aria-current="page"]::after,
.site-nav a.is-active::after,
.site-nav a.active::after{
    content:"";
    position:absolute;
    left: .25rem;
    right: .25rem;
    bottom: -8px;
    height: 2px;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--brand), var(--brand-2));
    opacity: .95;
}

/* CTA */
.site-nav .nav-cta{
    background: linear-gradient(135deg, var(--brand), var(--brand-2));
    color: #fff;
    border-radius: 999px;
    padding: .5rem .85rem;
    border: 1px solid rgba(255,255,255,.10);
    box-shadow: 0 10px 26px rgba(0,0,0,.22);
}

.site-nav .nav-cta:hover{
    filter: brightness(1.04);
}

/* Theme toggle */
.theme-toggle{
    margin-left: .25rem;
    border: 1px solid var(--line);
    background: rgba(255,255,255,.03);
    color: var(--fg);
    border-radius: 999px;
    padding: .5rem .65rem;
    font-size: .9rem;
    cursor: pointer;
}

.theme-toggle:hover{
    background: rgba(255,255,255,.06);
}

/* Hamburger button */
.nav-toggle{
    display: none;
    border: 1px solid var(--line);
    background: rgba(255,255,255,.03);
    color: var(--fg);
    border-radius: 12px;
    padding: .45rem .6rem;
    cursor: pointer;
}

.nav-toggle:hover{
    background: rgba(255,255,255,.06);
}

.nav-ico{
    display: inline-block;
    font-size: 1.1rem;
    line-height: 1;
}

/* ====================================================================================
MOBILE
==================================================================================== */
@media (max-width: 900px){
    .header-inner{
        position: relative;
    }

    .nav-toggle{
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    .site-nav{
        display: none;
        position: absolute;
        top: calc(100% + .6rem);
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: .25rem;
        padding: .75rem;
        border-radius: 16px;
        border: 1px solid var(--line);
        background: var(--surface);
        box-shadow: var(--shadow);
    }

    /* JS should toggle this class on the nav */
    .site-nav.is-open{
        display: flex;
    }

    .site-nav a{
        padding: .65rem .75rem;
        border-radius: 12px;
    }

    .site-nav a:hover{
        background: rgba(255,255,255,.05);
    }

    .site-nav a[aria-current="page"]::after,
    .site-nav a.is-active::after,
    .site-nav a.active::after{
        bottom: 6px;
        height: 2px;
    }

    .site-nav .nav-cta{
        width: 100%;
        text-align: center;
        margin-top: .25rem;
    }
}