/* ==========================================================================
   nav-modern.css - neue Navigation (siehe nav-modern.php)
   Standardmäßig STATISCH im Dokumentfluss (ersetzt die alte .site-header
   optisch 1:1 im Platzbedarf), damit Seiten, die ihre Höhe relativ zum
   Header berechnen (z.B. map.php / #map-canvas), nicht brechen.
   Auf der Startseite wird sie zusätzlich fixiert (siehe home.css).
   ========================================================================== */

body.has-modern-nav .site-header {
    display: none;
}

.modern-nav-header {
    position: relative;
    z-index: 30;
    height: 4.5rem;
    display: flex;
    align-items: center;
    background: rgba(9, 18, 40, .92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255, 255, 255, .08);
}

.modern-nav-inner {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4, 1.5rem);
}

.modern-nav-brand {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    color: #fff;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.05rem;
    flex-shrink: 0;
}

.modern-nav-brand .icon {
    width: 1.4rem;
    height: 1.4rem;
    color: #7dd3fc;
}

.modern-nav-links {
    display: flex;
    align-items: center;
    gap: 1.85rem;
    margin-left: auto;
}

.modern-nav-links a {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    color: rgba(255, 255, 255, .78);
    text-decoration: none;
    font-size: .92rem;
    font-weight: 500;
    line-height: 1;
    padding: .3rem 0;
    transition: color .15s ease;
}

.modern-nav-links a .icon {
    width: 1rem;
    height: 1rem;
}

.modern-nav-links a::after {
    content: '';
    position: absolute;
    left: 0;
    right: 100%;
    bottom: -2px;
    height: 2px;
    background: #7dd3fc;
    transition: right .18s ease;
}

.modern-nav-links a:hover {
    color: #fff;
}

.modern-nav-links a:hover::after {
    right: 0;
}

.modern-nav-auth {
    display: flex;
    align-items: center;
    margin-left: 1.85rem;
    padding-left: 1.85rem;
    border-left: 1px solid rgba(255, 255, 255, .16);
}

.modern-nav-btn {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    height: 2.35rem;
    padding: 0 1.1rem;
    border-radius: var(--radius-full, 999px);
    font-weight: 600;
    font-size: .86rem;
    line-height: 1;
    text-decoration: none;
    white-space: nowrap;
    transition: background .15s ease, border-color .15s ease, color .15s ease;
}

.modern-nav-btn .icon {
    width: .95rem;
    height: .95rem;
}

.modern-nav-btn-primary {
    background: #fff;
    color: var(--color-primary-dark, #0f2a5c);
    border: 1px solid #fff;
}

.modern-nav-btn-primary:hover {
    background: #e2e8f0;
    border-color: #e2e8f0;
}

.modern-nav-btn-ghost {
    background: transparent;
    color: rgba(255, 255, 255, .78);
    border: 1px solid rgba(255, 255, 255, .28);
}

.modern-nav-btn-ghost:hover {
    color: #fca5a5;
    border-color: #fca5a5;
    background: rgba(252, 165, 165, .08);
}

.modern-nav-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 2.4rem;
    height: 2.4rem;
    border-radius: var(--radius-md, 10px);
    background: rgba(255, 255, 255, .1);
    border: 1px solid rgba(255, 255, 255, .18);
    color: #fff;
}

.modern-nav-overlay {
    position: fixed;
    inset: 0;
    z-index: 60;
    background: #0b1a38;
    display: flex;
    flex-direction: column;
    padding: 1.5rem;
    transform: translateY(-100%);
    transition: transform .25s ease;
}

.modern-nav-overlay.is-open {
    transform: translateY(0);
}

.modern-nav-overlay-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-6, 3rem);
}

.modern-nav-overlay-close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.4rem;
    height: 2.4rem;
    border-radius: var(--radius-md, 10px);
    background: rgba(255, 255, 255, .1);
    border: 1px solid rgba(255, 255, 255, .18);
    color: #fff;
}

.modern-nav-overlay-links {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.modern-nav-overlay-links a {
    display: flex;
    align-items: center;
    gap: .75rem;
    color: #fff;
    text-decoration: none;
    font-size: 1.3rem;
    font-weight: 600;
}

.modern-nav-overlay-links a.is-logout {
    color: #fca5a5;
    font-size: 1.1rem;
    font-weight: 500;
}

.modern-nav-overlay-links a.is-logout .icon {
    color: #fca5a5;
}

.modern-nav-overlay-links .icon {
    width: 1.3rem;
    height: 1.3rem;
    color: #7dd3fc;
}

.modern-nav-overlay-links hr {
    border: none;
    border-top: 1px solid rgba(255, 255, 255, .12);
    margin: .5rem 0;
}

@media (max-width: 860px) {
    .modern-nav-links,
    .modern-nav-auth {
        display: none;
    }

    .modern-nav-toggle {
        display: inline-flex;
    }
}