.header {
    background-color: #1a1a1a;
    padding: 15px 0;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-img {
    height: 120px;
    width: auto;
    cursor: pointer;
    transition: transform 0.3s ease;
    object-fit: contain;
}

.logo-img:hover {
    transform: scale(1.05);
}

.logo-icon {
    font-size: 32px;
    color: #d32f2f;
}

.logo-text {
    color: #ffffff;
    font-size: 20px;
    font-weight: bold;
    letter-spacing: 1px;
}

.nav {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
}

.nav-link {
    color: #ffffff;
    text-decoration: none;
    font-size: 16px;
    transition: color 0.3s;
    position: relative;
}

.nav-link:hover {
    color: #d32f2f;
}

.nav-link.active {
    color: #d32f2f;
    font-weight: bold;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    right: 0;
    height: 2px;
    background-color: #d32f2f;
}

.signup-btn {
    background-color: transparent;
    border: 2px solid #666;
    color: #ffffff;
    padding: 10px 25px;
    font-size: 14px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    border-radius: 6px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.signup-btn:hover {
    border-color: #d32f2f;
    color: #d32f2f;
    background-color: rgba(211, 47, 47, 0.1);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(211, 47, 47, 0.3);
}

.signup-btn.user-logged-in {
    border-color: #d32f2f;
    color: #d32f2f;
    cursor: pointer;
    text-transform: none;
}

.signup-btn.user-logged-in:hover {
    border-color: #d32f2f;
    color: #ffffff;
    background-color: #d32f2f;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(211, 47, 47, 0.3);
}

/* Menu Dropdown do Usuário */
.user-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: #ffffff;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    min-width: 150px;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s ease;
    pointer-events: none;
}

.user-dropdown.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}

.user-dropdown-item {
    padding: 12px 16px;
    cursor: pointer;
    color: #2b2d31;
    transition: background-color 0.15s;
    display: flex;
    align-items: center;
    gap: 10px;
}

.user-dropdown-item.logout-item {
    color: #d32f2f;
}

.user-dropdown-item.logout-item:hover {
    background-color: #fff5f5;
    color: #b71c1c;
}