/* Estilos de navegação - Tema Semi-Dark */

/* Header e navegação principal */
header {
    background-color: #1e1e1e;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid #333;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

/* Logo */
.logo a {
    font-size: 1.6rem;
    font-weight: bold;
    color: #bb86fc;
    text-decoration: none;
    transition: color 0.2s ease;
}

.logo a:hover {
    color: #d4b3ff;
}

/* Links de navegação */
.nav-links {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 20px;
    align-items: center;
}

.nav-links li {
    position: relative;
}

.nav-links a {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 10px 15px;
    text-decoration: none;
    color: #e0e0e0;
    border-radius: 6px;
    transition: all 0.2s ease;
    font-weight: 500;
    font-size: 0.95rem;
}

.nav-links a:hover {
    background-color: #333;
    color: #bb86fc;
    transform: translateY(-1px);
}

/* Dropdown menu */
.dropdown {
    position: relative;
}

.dropdown-toggle {
    cursor: pointer;
}

.dropdown-arrow {
    font-size: 10px;
    transition: transform 0.3s ease;
    margin-left: 4px;
}

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

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: #2c2c2c;
    border: 1px solid #444;
    border-radius: 8px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.4);
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
    list-style: none;
    margin: 0;
    padding: 8px 0;
    backdrop-filter: blur(10px);
}

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

.dropdown-menu li {
    margin: 0;
}

.dropdown-menu a {
    display: block;
    padding: 12px 20px;
    color: #e0e0e0;
    text-decoration: none;
    border-radius: 0;
    transition: all 0.2s ease;
    font-size: 0.9rem;
}

.dropdown-menu a:hover {
    background-color: #444;
    color: #bb86fc;
    padding-left: 24px;
    transform: none;
}

.dropdown-divider {
    height: 1px;
    background-color: #444;
    margin: 8px 0;
}

/* Estados ativos */
.nav-links a.active {
    background-color: #bb86fc;
    color: #1e1e1e;
}

.nav-links a.active:hover {
    background-color: #d4b3ff;
    color: #1e1e1e;
}

/* Responsividade */
@media (max-width: 768px) {
    nav {
        padding: 1rem;
        flex-direction: column;
        gap: 1rem;
    }
    
    .logo a {
        font-size: 1.4rem;
    }
    
    .nav-links {
        flex-direction: column;
        gap: 10px;
        width: 100%;
    }
    
    .nav-links li {
        width: 100%;
    }
    
    .nav-links a {
        justify-content: center;
        width: 100%;
        padding: 12px 20px;
    }

    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        background: transparent;
        padding-left: 20px;
        margin-top: 8px;
    }

    .dropdown:hover .dropdown-menu {
        display: block;
    }
    
    .dropdown-arrow {
        display: none;
    }
}

@media (max-width: 480px) {
    nav {
        padding: 0.5rem;
    }
    
    .nav-links a {
        padding: 10px 15px;
        font-size: 0.9rem;
    }
}

/* Animações de entrada */
.nav-links {
    animation: slideInDown 0.5s ease-out;
}

@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Indicador de página atual */
.nav-links a[aria-current="page"] {
    background-color: rgba(187, 134, 252, 0.2);
    color: #bb86fc;
    border: 1px solid rgba(187, 134, 252, 0.3);
}

/* Efeitos de hover melhorados */
.nav-links a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background-color: #bb86fc;
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-links a:hover::before {
    width: 80%;
}

.dropdown-menu a::before {
    display: none;
}