/* Modern App Gallery Navigation Styles */

.app-nav {
    background: rgba(20, 20, 20, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.4);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 64px;
}

/* Brand */
.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: #f0f0f0;
    transition: opacity 0.2s;
}

.nav-brand:hover {
    opacity: 0.8;
}

.nav-logo {
    width: 36px;
    height: 36px;
    object-fit: contain;
}

.nav-brand-text {
    display: flex;
    flex-direction: column;
}

.nav-brand-name {
    font-size: 18px;
    font-weight: 600;
    line-height: 1.2;
}

.nav-brand-subtitle {
    font-size: 11px;
    color: #888;
    line-height: 1.2;
}

/* Mobile Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background-color: #f0f0f0;
    transition: all 0.3s;
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Menu */
.nav-menu {
    display: flex;
    align-items: center;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 6px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 18px;
    color: #aaa;
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    border-radius: 8px;
    transition: all 0.2s;
    background: none;
    border: none;
    cursor: pointer;
    white-space: nowrap;
}

.nav-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: #fff;
}

.nav-link.active {
    background: linear-gradient(135deg, #0077cc 0%, #0099ff 100%);
    color: #fff;
}

.nav-icon {
    font-size: 16px;
}

/* Dropdown */
.nav-dropdown {
    position: relative;
}

.nav-dropdown-toggle {
    font-family: inherit;
}

.dropdown-arrow {
    font-size: 10px;
    transition: transform 0.2s;
    margin-left: 4px;
}

.nav-dropdown.active .dropdown-arrow {
    transform: rotate(180deg);
}

.nav-dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 8px;
    background: rgba(25, 25, 25, 0.98);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    min-width: 220px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s;
}

.nav-dropdown.active .nav-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav-dropdown-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    color: #bbb;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.2s;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.nav-dropdown-item:first-child {
    border-top-left-radius: 12px;
    border-top-right-radius: 12px;
}

.nav-dropdown-item:last-child {
    border-bottom: none;
    border-bottom-left-radius: 12px;
    border-bottom-right-radius: 12px;
}

.nav-dropdown-item:hover {
    background-color: rgba(255, 255, 255, 0.08);
    color: #fff;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        background: rgba(20, 20, 20, 0.98);
        backdrop-filter: blur(10px);
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s;
    }

    .nav-menu.active {
        max-height: 500px;
        overflow-y: auto;
    }

    .nav-links {
        flex-direction: column;
        gap: 0;
        width: 100%;
        padding: 10px 0;
    }

    .nav-link {
        width: 100%;
        justify-content: flex-start;
        border-radius: 0;
        padding: 16px 20px;
    }

    .nav-dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        border-radius: 0;
        background: rgba(10, 10, 10, 0.5);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s;
        margin-top: 0;
    }

    .nav-dropdown.active .nav-dropdown-menu {
        max-height: 400px;
    }

    .nav-dropdown-item {
        padding-left: 48px;
    }

    .nav-brand-name {
        font-size: 16px;
    }

    .nav-logo {
        width: 32px;
        height: 32px;
    }
}