/* ============================================
   ZAIOS.NET — Unified Navigation
   Eine Datei für alle Seiten.
   ============================================ */

/* --- Navbar Container --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 0 24px;
    height: 64px;
    display: flex;
    align-items: center;
    background: rgba(11, 25, 36, 0.9);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    transition: background var(--duration) var(--ease), box-shadow var(--duration) var(--ease);
}

.navbar.scrolled {
    background: rgba(11, 25, 36, 0.95);
    box-shadow: 0 1px 0 var(--border);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    height: 64px;
    width: 100%;
}

/* --- Logo (links) --- */
.nav-logo {
    font-size: 1.4rem;
    font-weight: 800;
    text-decoration: none;
    letter-spacing: -0.5px;
    flex-shrink: 0;
}

.logo-zai { color: var(--text); }
.logo-dot { color: var(--accent); }
.logo-os  { color: var(--green); }

/* --- Nav-Extra: Desktop-Links (rechts neben Logo) --- */
.nav-extra {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: auto;
}

.nav-extra-home {
    display: flex;
}

.nav-extra-link {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
    white-space: nowrap;
    transition: color 0.2s, background 0.2s;
}

.nav-extra-link:hover {
    color: var(--text);
    background: var(--surface-2);
}

.nav-extra-link.active {
    color: var(--accent);
    font-weight: 600;
}

.nav-extra-text {
    display: inline;
}

.nav-extra-icon {
    display: inline-block;
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

/* Mobile-Icons: versteckt auf Desktop */
.nav-mobile-icon {
    display: none;
}

/* --- Nav-Actions: Icon-Buttons (ganz rechts) --- */
.nav-actions {
    display: flex;
    gap: 4px;
    align-items: center;
    margin-left: 16px;
    flex-shrink: 0;
}

.nav-icon-btn {
    background: none;
    border: 1px solid transparent;
    color: var(--text-muted);
    font-size: 1.1rem;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    text-decoration: none;
}

.nav-icon-btn:hover {
    color: var(--text);
    background: var(--surface-2);
    border-color: var(--border);
}

/* --- Nav-Toggle (Hamburger) --- */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    flex-shrink: 0;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: all 0.3s;
}

/* --- Nav-Menu (Mobile Overlay, Desktop versteckt) --- */
.nav-menu {
    list-style: none;
    display: none;
}

.nav-link {
    color: var(--text-muted);
    text-decoration: none;
    padding: 8px 10px;
    border-radius: var(--radius-sm);
    font-size: 0.78rem;
    font-weight: 500;
    white-space: nowrap;
    transition: all 0.2s;
}

.nav-link:hover {
    color: var(--text);
    background: var(--surface-2);
}

.nav-link.active {
    color: var(--text);
    background: var(--surface-2);
}

/* Nav-Extra-Links überschreiben nav-link Farben */
.nav-link.nav-extra-link {
    color: var(--text-muted);
}

.nav-link.nav-extra-link:hover {
    color: var(--text);
}

.nav-link.nav-extra-link.active {
    color: var(--accent);
    background: none;
}

/* --- Search Overlay --- */
.search-overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 2000;
    background: rgba(11, 25, 36, 0.9);
    backdrop-filter: blur(12px);
    padding: 15vh 24px 24px;
    animation: fadeIn 0.2s ease;
}

.search-overlay.open { display: block; }

.search-container { max-width: 620px; margin: 0 auto; }

.search-input-wrap {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 14px 18px;
    transition: border-color 0.2s;
}

.search-input-wrap:focus-within {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.search-input-wrap i { color: var(--text-muted); font-size: 1.1rem; flex-shrink: 0; }

.search-input-wrap input {
    flex: 1;
    background: none;
    border: none;
    outline: none;
    color: var(--text);
    font-family: var(--font);
    font-size: 1.05rem;
}

.search-input-wrap input::placeholder { color: var(--text-muted); }
.search-input-wrap kbd { flex-shrink: 0; opacity: 0.5; }

.search-results { margin-top: 12px; max-height: 55vh; overflow-y: auto; }

.search-result-item {
    display: block;
    padding: 14px 18px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    margin-bottom: 8px;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
}

.search-result-item:hover {
    border-color: var(--accent);
    background: var(--surface-2);
}

.search-result-title { font-weight: 600; color: var(--text); font-size: 0.95rem; margin-bottom: 4px; }
.search-result-section { font-size: 0.8rem; color: var(--accent-light); }
.search-result-desc { font-size: 0.85rem; color: var(--text-muted); margin-top: 4px; }
.search-no-results { text-align: center; padding: 32px; color: var(--text-muted); font-size: 0.95rem; }

/* --- Language Tooltip --- */
.lang-tooltip {
    display: none;
    position: fixed;
    top: 64px;
    right: 24px;
    z-index: 1500;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    max-width: 340px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    animation: fadeIn 0.2s ease;
}

.lang-tooltip.open { display: block; }

.lang-switch { display: flex; flex-direction: column; gap: 6px; }

.lang-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    color: var(--text-muted);
    font-family: var(--font);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.lang-btn:hover { border-color: var(--accent); color: var(--text); }
.lang-btn.active { border-color: var(--accent); background: rgba(0, 212, 186, 0.08); color: var(--text); }

.lang-flag {
    font-weight: 700;
    font-size: 0.8rem;
    background: var(--border);
    padding: 2px 6px;
    border-radius: 4px;
    letter-spacing: 0.5px;
}

.lang-btn.active .lang-flag { background: var(--accent); color: #000; }

/* ============================================
   Tablet (≤ 1050px): Hamburger erscheint
   ============================================ */
@media (max-width: 1050px) {
    .nav-toggle {
        display: flex;
    }

    .nav-extra {
        display: flex;
        align-items: center;
        gap: 8px;
        margin-left: auto;
    }

    .nav-actions {
        margin-left: 16px;
        display: flex;
        align-items: center;
        gap: 4px;
    }

    /* Menu: mobile overlay (versteckt bis .open) */
    .nav-menu {
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        background: rgba(11, 25, 36, 0.95);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        flex-direction: column;
        padding: 20px;
        gap: 4px;
        border-bottom: 1px solid var(--border);
        transform: translateY(-120%);
        transition: transform 0.3s ease, visibility 0.3s;
        visibility: hidden;
    }

    .nav-menu.open {
        transform: translateY(0);
        visibility: visible;
    }

    .nav-link {
        padding: 8px 16px;
        width: 100%;
        text-align: center;
        font-size: 0.8rem;
    }
}

/* ============================================
   Mobile (≤ 768px): Icon-Nav, kein Hamburger
   Reines Flexbox-Layout — kein position:absolute
   ============================================ */
@media (max-width: 768px) {
    .navbar { height: 56px; padding: 0 12px; }
    .nav-container { height: 56px; padding: 0 8px; }

    .nav-logo { font-size: 1.2rem; flex-shrink: 0; order: 0; }

    /* Translate + Theme: direkt nach Logo */
    .nav-actions {
        order: 1;
        margin-left: 8px;
        gap: 0;
        flex-shrink: 0;
    }

    .nav-icon-btn { width: 32px; height: 32px; font-size: 1rem; }

    /* Seiten-Icons: ganz rechts via margin-left:auto */
    .nav-extra {
        display: flex;
        position: static;
        order: 2;
        margin-left: auto;
        gap: 0;
        flex-shrink: 0;
    }

    .nav-extra-text { display: none; }
    .nav-mobile-icon { display: inline !important; font-size: 1rem; }

    .nav-extra-link {
        width: 36px;
        height: 36px;
        padding: 0;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1rem;
    }

    /* Hamburger + Menu komplett verstecken */
    .nav-toggle { display: none !important; }
    .nav-menu { display: none !important; }

    /* Search & Language responsive */
    .search-overlay { padding: 10vh 16px 16px; }
    .lang-tooltip { right: 16px; left: 16px; max-width: none; }
}

/* ============================================
   Logo Image (replaces text spans)
   ============================================ */
.logo-img {
    height: 1em;
    width: auto;
    display: inline-block;
    vertical-align: middle;
    object-fit: contain;
}

.nav-logo {
    display: flex;
    align-items: center;
}

.nav-logo .logo-img {
    height: 18px;
    opacity: 0.85;
}

.hero-brand .logo-img {
    height: clamp(1.8rem, 4vw, 3rem);
}

.footer-logo .logo-img {
    height: 20px;
    opacity: 0.85;
}

/* Light mode: invert hero/footer logos (white text → dark), but NOT nav logo (orange Z is fine on any bg) */
[data-theme="light"] .hero-brand .logo-img,
[data-theme="light"] .footer-logo .logo-img {
    filter: invert(1) hue-rotate(180deg);
}

/* Splash keeps its own filter, don't override */

/* ============================================
   Light Theme Overrides
   ============================================ */
[data-theme="light"] .navbar {
    background: rgba(248, 248, 252, 0.9);
}

[data-theme="light"] .navbar.scrolled {
    background: rgba(248, 248, 252, 0.95);
    box-shadow: 0 1px 0 var(--border);
}

[data-theme="light"] .search-overlay {
    background: rgba(248, 248, 252, 0.95);
}

/* --- Light mode hamburger & nav link colors --- */
[data-theme="light"] .nav-toggle span {
    background: #0a1d2b;
}

[data-theme="light"] .nav-extra-link {
    color: var(--text-muted);
}

[data-theme="light"] .nav-extra-link:hover {
    color: var(--text);
}

[data-theme="light"] .nav-extra-link.active {
    color: var(--accent);
}

[data-theme="light"] .nav-link.nav-extra-link {
    color: var(--text-muted);
}

[data-theme="light"] .nav-link.nav-extra-link:hover {
    color: var(--text);
}

[data-theme="light"] .nav-link.nav-extra-link.active {
    color: var(--accent);
}

[data-theme="light"] .search-overlay {
    background: rgba(248, 248, 252, 0.95);
}

[data-theme="light"] .lang-tooltip {
    background: #fff;
    border-color: var(--border);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
}

@media (max-width: 1050px) {
    [data-theme="light"] .nav-menu {
        background: rgba(248, 248, 252, 0.95);
    }
}

/* ============================================
   Mobile Logo Sizes (must come after desktop rules)
   ============================================ */
@media (max-width: 768px) {
    .nav-logo .logo-img { height: 14px; }
    .hero-brand .logo-img { height: 30px; }
    .footer-logo .logo-img { height: 16px; }
}

@media (max-width: 480px) {
    .hero-brand .logo-img { height: 24px; }
}

/* ============================================
   High Contrast Theme
   ============================================ */
[data-theme="hc"] .navbar {
    background: #000;
    border-bottom: 2px solid rgba(255,255,255,.25);
}

[data-theme="hc"] .navbar.scrolled {
    background: #000;
}

[data-theme="hc"] .nav-toggle span {
    background: #fff;
}

[data-theme="hc"] .nav-extra-link {
    color: #ccc;
}

[data-theme="hc"] .nav-extra-link.active {
    color: #00ffdd;
}

[data-theme="hc"] .search-overlay {
    background: rgba(0,0,0,0.98);
}

[data-theme="hc"] .lang-tooltip {
    background: #000;
    border: 2px solid rgba(255,255,255,.25);
}

[data-theme="hc"] .logo-img {
    filter: none;
}

.hc-label {
    display: none;
    font-size: 10px;
    font-weight: 800;
    letter-spacing: .6px;
    background: var(--accent);
    color: #000;
    padding: 2px 7px;
    border-radius: 4px;
}

@media (max-width: 1050px) {
    [data-theme="hc"] .nav-menu {
        background: rgba(0,0,0,0.98);
    }
}