/* Top Navigation Bar */
.navbar {
    position: relative;
    top: 0;
    left: 0;
    width: 100%;
    height: 60px;
    background-color: var(--bg-glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 24px;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
    transition: var(--transition);
}

.brand {
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--text-main);
    text-decoration: none;
    flex: 1;
    display: flex;
    justify-content: flex-start;
    align-items: center;
    transition: var(--transition);
}
.brand img {
    transition: var(--transition);
}
.brand:hover img {
    transform: scale(1.03);
}

.nav-links {
    flex: 1;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 20px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
    white-space: nowrap;
    position: relative;
    padding: 6px 0;
}

.nav-links a:hover {
    color: var(--primary);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--primary);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.25s ease;
}
.nav-links a:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

/* Search Bar in Navbar */
.nav-search {
    flex: 0 1 420px;
    margin: 0 20px;
    display: flex;
    justify-content: center;
}
.nav-search form {
    display: flex;
    width: 100%;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}
.nav-search form:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.nav-search input {
    width: 100%;
    padding: 10px 16px;
    border: none;
    outline: none;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    background: transparent;
    color: var(--text-main);
    min-height: 40px;
}
.nav-search input::placeholder {
    color: var(--text-muted);
}

.nav-search button {
    padding: 0 16px;
    border: none;
    background: transparent;
    cursor: pointer;
    font-size: 1.1rem;
    color: var(--text-muted);
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}
.nav-search button:hover {
    color: var(--primary);
    background-color: var(--bg-page);
}

.nav-toggle {
    display: none;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    font-size: 1.25rem;
    cursor: pointer;
    color: var(--text-main);
    width: 38px;
    height: 38px;
    padding: 0;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}
.nav-toggle:hover {
    color: var(--primary);
    border-color: var(--primary);
}

/* Mobile Navbar */
@media (max-width: 768px) {
    .nav-toggle {
        display: inline-flex;
    }
    .navbar {
        flex-wrap: wrap;
        height: auto;
        padding: 12px 16px;
        gap: 12px;
    }
    .brand {
        flex: 1;
        order: 1;
    }
    .nav-links {
        flex: 1;
        order: 2;
        justify-content: flex-end;
        gap: 12px;
    }
    .nav-search {
        flex: 1 1 100%;
        order: 3;
        margin: 0;
        max-width: none;
    }
}